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Sample records for auto regressive integrated

  1. Short-term electricity prices forecasting based on support vector regression and Auto-regressive integrated moving average modeling

    International Nuclear Information System (INIS)

    In this paper, we present the use of different mathematical models to forecast electricity price under deregulated power. A successful prediction tool of electricity price can help both power producers and consumers plan their bidding strategies. Inspired by that the support vector regression (SVR) model, with the ε-insensitive loss function, admits of the residual within the boundary values of ε-tube, we propose a hybrid model that combines both SVR and Auto-regressive integrated moving average (ARIMA) models to take advantage of the unique strength of SVR and ARIMA models in nonlinear and linear modeling, which is called SVRARIMA. A nonlinear analysis of the time-series indicates the convenience of nonlinear modeling, the SVR is applied to capture the nonlinear patterns. ARIMA models have been successfully applied in solving the residuals regression estimation problems. The experimental results demonstrate that the model proposed outperforms the existing neural-network approaches, the traditional ARIMA models and other hybrid models based on the root mean square error and mean absolute percentage error.

  2. Towards damage detection using blind source separation integrated with time-varying auto-regressive modeling

    Science.gov (United States)

    Musafere, F.; Sadhu, A.; Liu, K.

    2016-01-01

    In the last few decades, structural health monitoring (SHM) has been an indispensable subject in the field of vibration engineering. With the aid of modern sensing technology, SHM has garnered significant attention towards diagnosis and risk management of large-scale civil structures and mechanical systems. In SHM, system identification is one of major building blocks through which unknown system parameters are extracted from vibration data of the structures. Such system information is then utilized to detect the damage instant, and its severity to rehabilitate and prolong the existing health of the structures. In recent years, blind source separation (BSS) algorithm has become one of the newly emerging advanced signal processing techniques for output-only system identification of civil structures. In this paper, a novel damage detection technique is proposed by integrating BSS with the time-varying auto-regressive modeling to identify the instant and severity of damage. The proposed method is validated using a suite of numerical studies and experimental models followed by a full-scale structure.

  3. Prediction of Zoonosis Incidence in Human using Seasonal Auto Regressive Integrated Moving Average (SARIMA)

    OpenAIRE

    Permanasari, Adhistya Erna; Rambli, Dayang Rohaya Awang; Dominic, Dhanapal Durai

    2009-01-01

    Zoonosis refers to the transmission of infectious diseases from animal to human. The increasing number of zoonosis incidence makes the great losses to lives, including humans and animals, and also the impact in social economic. It motivates development of a system that can predict the future number of zoonosis occurrences in human. This paper analyses and presents the use of Seasonal Autoregressive Integrated Moving Average (SARIMA) method for developing a forecasting model that able to suppo...

  4. Prediction of Zoonosis Incidence in Human using Seasonal Auto Regressive Integrated Moving Average (SARIMA)

    CERN Document Server

    Permanasari, Adhistya Erna; Dominic, Dhanapal Durai

    2009-01-01

    Zoonosis refers to the transmission of infectious diseases from animal to human. The increasing number of zoonosis incidence makes the great losses to lives, including humans and animals, and also the impact in social economic. It motivates development of a system that can predict the future number of zoonosis occurrences in human. This paper analyses and presents the use of Seasonal Autoregressive Integrated Moving Average (SARIMA) method for developing a forecasting model that able to support and provide prediction number of zoonosis human incidence. The dataset for model development was collected on a time series data of human tuberculosis occurrences in United States which comprises of fourteen years of monthly data obtained from a study published by Centers for Disease Control and Prevention (CDC). Several trial models of SARIMA were compared to obtain the most appropriate model. Then, diagnostic tests were used to determine model validity. The result showed that the SARIMA(9,0,14)(12,1,24)12 is the fitt...

  5. The Prediction of Exchange Rates with the Use of Auto-Regressive Integrated Moving-Average Models

    Directory of Open Access Journals (Sweden)

    Daniela Spiesová

    2014-10-01

    Full Text Available Currency market is recently the largest world market during the existence of which there have been many theories regarding the prediction of the development of exchange rates based on macroeconomic, microeconomic, statistic and other models. The aim of this paper is to identify the adequate model for the prediction of non-stationary time series of exchange rates and then use this model to predict the trend of the development of European currencies against Euro. The uniqueness of this paper is in the fact that there are many expert studies dealing with the prediction of the currency pairs rates of the American dollar with other currency but there is only a limited number of scientific studies concerned with the long-term prediction of European currencies with the help of the integrated ARMA models even though the development of exchange rates has a crucial impact on all levels of economy and its prediction is an important indicator for individual countries, banks, companies and businessmen as well as for investors. The results of this study confirm that to predict the conditional variance and then to estimate the future values of exchange rates, it is adequate to use the ARIMA (1,1,1 model without constant, or ARIMA [(1,7,1,(1,7] model, where in the long-term, the square root of the conditional variance inclines towards stable value.

  6. Kepler AutoRegressive Planet Search

    Science.gov (United States)

    Caceres, Gabriel Antonio; Feigelson, Eric

    2016-01-01

    The Kepler AutoRegressive Planet Search (KARPS) project uses statistical methodology associated with autoregressive (AR) processes to model Kepler lightcurves in order to improve exoplanet transit detection in systems with high stellar variability. We also introduce a planet-search algorithm to detect transits in time-series residuals after application of the AR models. One of the main obstacles in detecting faint planetary transits is the intrinsic stellar variability of the host star. The variability displayed by many stars may have autoregressive properties, wherein later flux values are correlated with previous ones in some manner. Our analysis procedure consisting of three steps: pre-processing of the data to remove discontinuities, gaps and outliers; AR-type model selection and fitting; and transit signal search of the residuals using a new Transit Comb Filter (TCF) that replaces traditional box-finding algorithms. The analysis procedures of the project are applied to a portion of the publicly available Kepler light curve data for the full 4-year mission duration. Tests of the methods have been made on a subset of Kepler Objects of Interest (KOI) systems, classified both as planetary `candidates' and `false positives' by the Kepler Team, as well as a random sample of unclassified systems. We find that the ARMA-type modeling successfully reduces the stellar variability, by a factor of 10 or more in active stars and by smaller factors in more quiescent stars. A typical quiescent Kepler star has an interquartile range (IQR) of ~10 e-/sec, which may improve slightly after modeling, while those with IQR ranging from 20 to 50 e-/sec, have improvements from 20% up to 70%. High activity stars (IQR exceeding 100) markedly improve. A periodogram based on the TCF is constructed to concentrate the signal of these periodic spikes. When a periodic transit is found, the model is displayed on a standard period-folded averaged light curve. Our findings to date on real

  7. CICAAR - Convolutive ICA with an Auto-Regressive Inverse Model

    DEFF Research Database (Denmark)

    Dyrholm, Mads; Hansen, Lars Kai

    2004-01-01

    We invoke an auto-regressive IIR inverse model for convolutive ICA and derive expressions for the likelihood and its gradient. We argue that optimization will give a stable inverse. When there are more sensors than sources the mixing model parameters are estimated in a second step by least square...... estimation. We demonstrate the method on synthetic data and finally separate speech and music in a real room recording....

  8. CICAAR - Convolutive ICA with an Auto-Regressive Inverse Model

    OpenAIRE

    Dyrholm, Mads; Hansen, Lars Kai

    2004-01-01

    We invoke an auto-regressive IIR inverse model for convolutive ICA and derive expressions for the likelihood and its gradient. We argue that optimization will give a stable inverse. When there are more sensors than sources the mixing model parameters are estimated in a second step by least squares estimation. We demonstrate the method on synthetic data and finally separate speech and music in a real room recording.

  9. Support Vector Regression Model Based on Empirical Mode Decomposition and Auto Regression for Electric Load Forecasting

    Directory of Open Access Journals (Sweden)

    Hong-Juan Li

    2013-04-01

    Full Text Available Electric load forecasting is an important issue for a power utility, associated with the management of daily operations such as energy transfer scheduling, unit commitment, and load dispatch. Inspired by strong non-linear learning capability of support vector regression (SVR, this paper presents a SVR model hybridized with the empirical mode decomposition (EMD method and auto regression (AR for electric load forecasting. The electric load data of the New South Wales (Australia market are employed for comparing the forecasting performances of different forecasting models. The results confirm the validity of the idea that the proposed model can simultaneously provide forecasting with good accuracy and interpretability.

  10. Drought Patterns Forecasting using an Auto-Regressive Logistic Model

    Science.gov (United States)

    del Jesus, M.; Sheffield, J.; Méndez Incera, F. J.; Losada, I. J.; Espejo, A.

    2014-12-01

    Drought is characterized by a water deficit that may manifest across a large range of spatial and temporal scales. Drought may create important socio-economic consequences, many times of catastrophic dimensions. A quantifiable definition of drought is elusive because depending on its impacts, consequences and generation mechanism, different water deficit periods may be identified as a drought by virtue of some definitions but not by others. Droughts are linked to the water cycle and, although a climate change signal may not have emerged yet, they are also intimately linked to climate.In this work we develop an auto-regressive logistic model for drought prediction at different temporal scales that makes use of a spatially explicit framework. Our model allows to include covariates, continuous or categorical, to improve the performance of the auto-regressive component.Our approach makes use of dimensionality reduction (principal component analysis) and classification techniques (K-Means and maximum dissimilarity) to simplify the representation of complex climatic patterns, such as sea surface temperature (SST) and sea level pressure (SLP), while including information on their spatial structure, i.e. considering their spatial patterns. This procedure allows us to include in the analysis multivariate representation of complex climatic phenomena, as the El Niño-Southern Oscillation. We also explore the impact of other climate-related variables such as sun spots. The model allows to quantify the uncertainty of the forecasts and can be easily adapted to make predictions under future climatic scenarios. The framework herein presented may be extended to other applications such as flash flood analysis, or risk assessment of natural hazards.

  11. Steganalysis of LSB Image Steganography using Multiple Regression and Auto Regressive (AR Model

    Directory of Open Access Journals (Sweden)

    Souvik Bhattacharyya

    2011-07-01

    Full Text Available The staggering growth in communication technologyand usage of public domain channels (i.e. Internet has greatly facilitated transfer of data. However, such open communication channelshave greater vulnerability to security threats causing unauthorizedin- formation access. Traditionally, encryption is used to realizethen communication security. However, important information is notprotected once decoded. Steganography is the art and science of communicating in a way which hides the existence of the communication.Important information is firstly hidden in a host data, such as digitalimage, text, video or audio, etc, and then transmitted secretly tothe receiver. Steganalysis is another important topic in informationhiding which is the art of detecting the presence of steganography. Inthis paper a novel technique for the steganalysis of Image has beenpresented. The proposed technique uses an auto-regressive model todetect the presence of the hidden messages, as well as to estimatethe relative length of the embedded messages.Various auto regressiveparameters are used to classify cover image as well as stego imagewith the help of a SVM classifier. Multiple Regression analysis ofthe cover carrier along with the stego carrier has been carried outin order to find out the existence of the negligible amount of thesecret message. Experimental results demonstrate the effectivenessand accuracy of the proposed technique.

  12. Kepler AutoRegressive Planet Search: Initial Results

    Science.gov (United States)

    Caceres, Gabriel; Feigelson, Eric; Jogesh Babu, G.; Bahamonde, Natalia; Bertin, Karine; Christen, Alejandra; Curé, Michel; Meza, Cristian

    2015-08-01

    The statistical analysis procedures of the Kepler AutoRegressive Planet Search (KARPS) project are applied to a portion of the publicly available Kepler light curve data for the full 4-year mission duration. Tests of the methods have been made on a subset of Kepler Objects of Interest (KOI) systems, classified both as planetary `candidates' and `false positives' by the Kepler Team, as well as a random sample of unclassified systems. We find that the ARMA-type modeling successfully reduces the stellar variability, by a factor of 10 or more in active stars and by smaller factors in more quiescent stars. A typical quiescent Kepler star has an interquartile range (IQR) of ~10 e-/sec, which may improve slightly after modeling, while those with IQR ranging from 20 to 50 e-/sec, have improvements from 20% up to 70%. High activity stars (IQR exceeding 100) markedly improve, but visual inspection of the residual series shows that significant deviations from Gaussianity remain for many of them. Although the reduction in stellar signal is encouraging, it is important to note that the transit signal is also altered in the resulting residual time series. The periodogram derived from our Transit Comb Filter (TCF) is most effective for shorter period planets with quick ingress/egress times (relative to Kepler's 29-minute sample rate). We do not expect high sensitivity to periods of hundreds of days. Our findings to date on real-data tests of the KARPS methodology will be discussed including confirmation of some Kepler Team `candidate' planets, no confirmation of some `candidate' and `false positive' sytems, and suggestions of mischosen harmonics in the Kepler Team periodograms. We also present cases of new possible planetary signals.

  13. Blind identification of threshold auto-regressive model for machine fault diagnosis

    Institute of Scientific and Technical Information of China (English)

    LI Zhinong; HE Yongyong; CHU Fulei; WU Zhaotong

    2007-01-01

    A blind identification method was developed for the threshold auto-regressive (TAR) model. The method had good identification accuracy and rapid convergence, especially for higher order systems. The proposed method was then combined with the hidden Markov model (HMM) to determine the auto-regressive (AR) coefficients for each interval used for feature extraction, with the HMM as a classifier. The fault diagnoses during the speed-up and speed- down processes for rotating machinery have been success- fully completed. The result of the experiment shows that the proposed method is practical and effective.

  14. A Study of Wind Statistics Through Auto-Regressive and Moving-Average (ARMA) Modeling

    Institute of Scientific and Technical Information of China (English)

    尹彰; 周宗仁

    2001-01-01

    Statistical properties of winds near the Taichung Harbour are investigated. The 26 years′incomplete data of wind speeds, measured on an hourly basis, are used as reference. The possibility of imputation using simulated results of the Auto-Regressive (AR), Moving-Average (MA), and/or Auto-Regressive and Moving-Average (ARMA) models is studied. Predictions of the 25-year extreme wind speeds based upon the augmented data are compared with the original series. Based upon the results, predictions of the 50- and 100-year extreme wind speeds are then made.

  15. Linking Simple Economic Theory Models and the Cointegrated Vector AutoRegressive Model

    DEFF Research Database (Denmark)

    Møller, Niels Framroze

    This paper attempts to clarify the connection between simple economic theory models and the approach of the Cointegrated Vector-Auto-Regressive model (CVAR). By considering (stylized) examples of simple static equilibrium models, it is illustrated in detail, how the theoretical model and its...

  16. Auto-Regressive Models of Non-Stationary Time Series with Finite Length

    Institute of Scientific and Technical Information of China (English)

    FEI Wanchun; BAI Lun

    2005-01-01

    To analyze and simulate non-stationary time series with finite length, the statistical characteristics and auto-regressive (AR) models of non-stationary time series with finite length are discussed and studied. A new AR model called the time varying parameter AR model is proposed for solution of non-stationary time series with finite length. The auto-covariances of time series simulated by means of several AR models are analyzed. The result shows that the new AR model can be used to simulate and generate a new time series with the auto-covariance same as the original time series. The size curves of cocoon filaments regarded as non-stationary time series with finite length are experimentally simulated. The simulation results are significantly better than those obtained so far, and illustrate the availability of the time varying parameter AR model. The results are useful for analyzing and simulating non-stationary time series with finite length.

  17. Probing turbulence intermittency via Auto-Regressive Moving-Average models

    CERN Document Server

    Faranda, Davide; Dubrulle, Berengere; Daviaud, Francois

    2014-01-01

    We suggest a new approach to probing intermittency corrections to the Kolmogorov law in turbulent flows based on the Auto-Regressive Moving-Average modeling of turbulent time series. We introduce a new index $\\Upsilon$ that measures the distance from a Kolmogorov-Obukhov model in the Auto-Regressive Moving-Average models space. Applying our analysis to Particle Image Velocimetry and Laser Doppler Velocimetry measurements in a von K\\'arm\\'an swirling flow, we show that $\\Upsilon$ is proportional to the traditional intermittency correction computed from the structure function. Therefore it provides the same information, using much shorter time series. We conclude that $\\Upsilon$ is a suitable index to reconstruct the spatial intermittency of the dissipation in both numerical and experimental turbulent fields.

  18. A DEOXYRIBONUCLEIC ACID COMPRESSION ALGORITHM USING AUTO-REGRESSION AND SWARM INTELLIGENCE

    Directory of Open Access Journals (Sweden)

    Walid Aly

    2013-01-01

    Full Text Available DNA compression challenge has become a major task for many researchers as a result of exponential increase of produced DNA sequences in gene databases; in this research we attempt to solve the DNA compression challenge by developing a lossless compression algorithm. The proposed algorithm works in horizontal mode using a substitutional-statistical technique which is based on Auto Regression modeling (AR, the model parameters are determined using Particle Swarm Optimization (PSO. This algorithm is called Swarm Auto-Regression DNA Compression (SARDNAComp. SARDNAComp aims to reach higher compression ratio which make its application beneficial for both practical and functional aspects due to reduction of storage, retrieval, transmission costs and inferring structure and function of sequences from compression, SARDNAComp is tested on eleven benchmark DNA sequences and compared to current algorithms of DNA compression, the results showed that (SARDNAComp outperform these algorithms.

  19. Settlement Prediction for Buildings Surrounding Foundation Pits Based on a Stationary Auto-regression Model

    Institute of Scientific and Technical Information of China (English)

    TIAN Lin-ya; HUA Xi-sheng

    2007-01-01

    To ensure the safety of buildings surrounding foundation pits, a study was made on a settlement monitoring and trend prediction method. A statistical testing method for analyzing the stability of a settlement monitoring datum has been discussed. According to a comprehensive survey, data of 16 stages at operating control point, were verified by a standard t test to determine the stability of the operating control point. A stationary auto-regression model, AR(p), used for the observation point settlement prediction has been investigated. Given the 16 stages of the settlement data at an observation point, the applicability of this model was analyzed. Settlement of last four stages was predicted using the stationary auto-regression model AR (1); the maximum difference between predicted and measured values was 0.6 mm,indicating good prediction results of the model. Hence, this model can be applied to settlement predictions for buildings surrounding foundation pits.

  20. Predicting heartbeat arrival time for failure detection over internet using auto-regressive exogenous model

    Institute of Scientific and Technical Information of China (English)

    Zhao Haijun; Ma Yan; Huang Xiaohong; Su Yujie

    2008-01-01

    Predicting heartbeat message arrival time is crucial for the quality of failure detection service over internet. However, internet dynamic characteristics make it very difficult to understand message behavior and accurately predict heartbeat arrival time. To solve this problem, a novel black-box model is proposed to predict the next heartbeat arrival time. Heartbeat arrival time is modeled as auto-regressive process, heartbeat sending time is modeled as exogenous variable, the model's coefficients are estimated based on the sliding window of observations and this result is used to predict the next heartbeat arrival time. Simulation shows that this adaptive auto-regressive exogenous (ARX) model can accurately capture heartbeat arrival dynamics and minimize prediction error in different network environments.

  1. Time-varying parameter auto-regressive models for autocovariance nonstationary time series

    Institute of Scientific and Technical Information of China (English)

    FEI WanChun; BAI Lun

    2009-01-01

    In this paper,autocovariance nonstationary time series is clearly defined on a family of time series.We propose three types of TVPAR (time-varying parameter auto-regressive) models:the full order TVPAR model,the time-unvarying order TVPAR model and the time-varying order TVPAR model for autocovariance nonstationary time series.Related minimum AIC (Akaike information criterion) estimations are carried out.

  2. Time-varying parameter auto-regressive models for autocovariance nonstationary time series

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    In this paper, autocovariance nonstationary time series is clearly defined on a family of time series. We propose three types of TVPAR (time-varying parameter auto-regressive) models: the full order TVPAR model, the time-unvarying order TVPAR model and the time-varying order TV-PAR model for autocovariance nonstationary time series. Related minimum AIC (Akaike information criterion) estimations are carried out.

  3. Statistical early-warning indicators based on Auto-Regressive Moving-Average processes

    CERN Document Server

    Faranda, Davide; Dubrulle, Bérengère

    2014-01-01

    We address the problem of defining early warning indicators of critical transition. To this purpose, we fit the relevant time series through a class of linear models, known as Auto-Regressive Moving-Average (ARMA(p,q)) models. We define two indicators representing the total order and the total persistence of the process, linked, respectively, to the shape and to the characteristic decay time of the autocorrelation function of the process. We successfully test the method to detect transitions in a Langevin model and a 2D Ising model with nearest-neighbour interaction. We then apply the method to complex systems, namely for dynamo thresholds and financial crisis detection.

  4. A self-organizing power system stabilizer using Fuzzy Auto-Regressive Moving Average (FARMA) model

    Energy Technology Data Exchange (ETDEWEB)

    Park, Y.M.; Moon, U.C. [Seoul National Univ. (Korea, Republic of). Electrical Engineering Dept.; Lee, K.Y. [Pennsylvania State Univ., University Park, PA (United States). Electrical Engineering Dept.

    1996-06-01

    This paper presents a self-organizing power system stabilizer (SOPSS) which use the Fuzzy Auto-Regressive Moving Average (FARMA) model. The control rules and the membership functions of the proposed logic controller are generated automatically without using any plant model. The generated rules are stored in the fuzzy rule space and updated on-line by a self-organizing procedure. To show the effectiveness of the proposed controller, comparison with a conventional controller for one-machine infinite-bus system is presented.

  5. A Vector Auto Regression Model Applied to Real Estate Development Investment: A Statistic Analysis

    Directory of Open Access Journals (Sweden)

    Fengyun Liu

    2016-10-01

    Full Text Available This study analyzes the economic system dynamics of investment in real estate from mainly four participants in China. Local governments limit the supply of commercial and residential land to raise fiscal revenue, and expand debts by land mortgage to develop industrial zones and parks. Led by local government, banks and real estate development enterprises forge a coalition on real estate investment and facilitate real estate price appreciation. The above theoretical model is empirically evidenced with VAR (Vector Auto Regression methodology. A panel VAR model shows that land leasing and real estate price appreciation positively affect local government general fiscal revenue. Additional VAR models find that bank credit in addition to private and foreign funds respectively have strong positive dynamic effects on housing prices. Housing prices also have a strong positive impact on speculation from private funds and hot money.

  6. Day-ahead prediction using time series partitioning with Auto-Regressive model

    Directory of Open Access Journals (Sweden)

    Dennis Cheruiyot Kiplangat

    2016-08-01

    Full Text Available Wind speed forecasting has received a lot of attention in the recent past from researchers due to its enormous benefits in the generation of wind power and distribution. The biggest challenge still remains to be accurate prediction of wind speeds for efficient operation of a wind farm. Wind speed forecasts can be greatly improved by understanding its underlying dynamics. In this paper, we propose a method of time series partitioning where the original 10 minutes wind speed data is converted into a twodimensional array of order (N x 144 where N denotes the number of days with 144 the daily 10-min observations. Upon successful time series partitioning, a point forecast is computed for each of the 144 datasets extracted from the 10 minutes wind speed observations using an Auto-Regressive (AR process which is then combined together to give the (N+1st day forecast. The results of the computations show significant improvement in the prediction accuracy when AR model is coupled with time series partitioning.

  7. CONSTRUCTION OF POLYNOMIAL MATRIX USING BLOCK COEFFICIENT MATRIX REPRESENTATION AUTO-REGRESSIVE MOVING AVERAGE MODEL FOR ACTIVELY CONTROLLED STRUCTURES

    Institute of Scientific and Technical Information of China (English)

    LI Chunxiang; ZHOU Dai

    2004-01-01

    The polynomial matrix using the block coefficient matrix representation auto-regressive moving average (referred to as the PM-ARMA) model is constructed in this paper for actively controlled multi-degree-of-freedom (MDOF) structures with time-delay through equivalently transforming the preliminary state space realization into the new state space realization. The PM-ARMA model is a more general formulation with respect to the polynomial using the coefficient representation auto-regressive moving average (ARMA) model due to its capability to cope with actively controlled structures with any given structural degrees of freedom and any chosen number of sensors and actuators. (The sensors and actuators are required to maintain the identical number.) under any dimensional stationary stochastic excitation.

  8. SURFACE INTEGRITY EVALUATION OF TURNING WITH AUTO-ROTATING TOOL

    Directory of Open Access Journals (Sweden)

    Jozef Struharnansky

    2016-09-01

    Full Text Available The technical practice requirements comes to have increased demands on higher productivity, speed and quality of the machining process of various materials. Hard to machine materials, whose machining led to the development of turning with rotating cutting edge are not an exception. The machining process of auto-rotating tool is more complicated than the conventional process of turning, especially for the process of reshaping cutting layers into chips. There is a significant load in the system, that may affect the life of the cutting edge of the tool as well as the whole system and also in the final extent of the qualitative parameters of the workpiece (product / product. The article specifies the knowledge and findings of measurement in machining material 100Cr6 with an auto-rotating tool. The measurements were conducted to evaluate the integrity of the surface (roughness of the workpiece to the impacts of cutting conditions, in particular the feed and the cutting edge inclination. It also analyzes the presence (size, character, action of residual stresses concentrated in the surface layers of the workpiece by changing the cutting conditions.

  9. Efficient Blind System Identification of Non-Gaussian Auto-Regressive Models with HMM Modeling of the Excitation

    DEFF Research Database (Denmark)

    Li, Chunjian; Andersen, Søren Vang

    2007-01-01

    We propose two blind system identification methods that exploit the underlying dynamics of non-Gaussian signals. The two signal models to be identified are: an Auto-Regressive (AR) model driven by a discrete-state Hidden Markov process, and the same model whose output is perturbed by white Gaussian...... iterative schemes. The proposed methods also enjoy good data efficiency since only second order statistics is involved in the computation. When measurement noise is present, a novel Switching Kalman Smoother is incorporated into the EM algorithm, obtaining optimum nonlinear MMSE estimates of the system...

  10. Family system dynamics and type 1 diabetic glycemic variability: a vector-auto-regressive model.

    Science.gov (United States)

    Günther, Moritz Philipp; Winker, Peter; Böttcher, Claudia; Brosig, Burkhard

    2013-06-01

    Statistical approaches rooted in econometric methodology, so far foreign to the psychiatric and psychological realms have provided exciting and substantial new insights into complex mind-body interactions over time and individuals. Over 120 days, this structured diary study explored the mutual interactions of emotions within a classic 3-person family system with its Type 1 diabetic adolescent's daily blood glucose variability. Glycemic variability was measured through daily standard deviations of blood glucose determinations (at least 3 per day). Emotions were captured individually utilizing the self-assessment manikin on affective valence (negative-positive), activation (calm-excited), and control (dominated-dominant). Auto- and cross-correlating the stationary absolute (level) values of the mutually interacting parallel time series data sets through vector autoregression (VAR, grounded in econometric theory) allowed for the formulation of 2 concordant models. Applying Cholesky Impulse Response Analysis at a 95% confidence interval, we provided evidence for an adolescent being happy, calm, and in control to exhibit less glycemic variability and hence diabetic derailment. A nondominating mother and a happy father seemed to also reduce glycemic variability. Random shocks increasing glycemic variability affected only the adolescent and her father: In 1 model, the male parent felt in charge; in the other, he calmed down while his daughter turned sad. All reactions to external shocks lasted for less than 4 full days. Extant literature on affect and glycemic variability in Type 1 diabetic adolescents as well as challenges arising from introducing econometric theory to the field were discussed.

  11. Integrating Scene Parallelism in Camera Auto-Calibration

    Institute of Scientific and Technical Information of China (English)

    LIU Yong (刘勇); WU ChengKe (吴成柯); Hung-Tat Tsui

    2003-01-01

    This paper presents an approach for camera auto-calibration from uncalibrated video sequences taken by a hand-held camera. The novelty of this approach lies in that the line parallelism is transformed to the constraints on the absolute quadric during camera autocalibration. This makes some critical cases solvable and the reconstruction more Euclidean. The approach is implemented and validated using simulated data and real image data. The experimental results show the effectiveness of the approach.

  12. Downscaling stream flow time series from monthly to daily scales using an auto-regressive stochastic algorithm: StreamFARM

    Science.gov (United States)

    Rebora, N.; Silvestro, F.; Rudari, R.; Herold, C.; Ferraris, L.

    2016-06-01

    Downscaling methods are used to derive stream flow at a high temporal resolution from a data series that has a coarser time resolution. These algorithms are useful for many applications, such as water management and statistical analysis, because in many cases stream flow time series are available with coarse temporal steps (monthly), especially when considering historical data; however, in many cases, data that have a finer temporal resolution are needed (daily). In this study, we considered a simple but efficient stochastic auto-regressive model that is able to downscale the available stream flow data from monthly to daily time resolution and applied it to a large dataset that covered the entire North and Central American continent. Basins with different drainage areas and different hydro-climatic characteristics were considered, and the results show the general good ability of the analysed model to downscale monthly stream flows to daily stream flows, especially regarding the reproduction of the annual maxima. If the performance in terms of the reproduction of hydrographs and duration curves is considered, better results are obtained for those cases in which the hydrologic regime is such that the annual maxima stream flow show low or medium variability, which means that they have a low or medium coefficient of variation; however, when the variability increases, the performance of the model decreases.

  13. Non-contact video-based vital sign monitoring using ambient light and auto-regressive models.

    Science.gov (United States)

    Tarassenko, L; Villarroel, M; Guazzi, A; Jorge, J; Clifton, D A; Pugh, C

    2014-05-01

    Remote sensing of the reflectance photoplethysmogram using a video camera typically positioned 1 m away from the patient's face is a promising method for monitoring the vital signs of patients without attaching any electrodes or sensors to them. Most of the papers in the literature on non-contact vital sign monitoring report results on human volunteers in controlled environments. We have been able to obtain estimates of heart rate and respiratory rate and preliminary results on changes in oxygen saturation from double-monitored patients undergoing haemodialysis in the Oxford Kidney Unit. To achieve this, we have devised a novel method of cancelling out aliased frequency components caused by artificial light flicker, using auto-regressive (AR) modelling and pole cancellation. Secondly, we have been able to construct accurate maps of the spatial distribution of heart rate and respiratory rate information from the coefficients of the AR model. In stable sections with minimal patient motion, the mean absolute error between the camera-derived estimate of heart rate and the reference value from a pulse oximeter is similar to the mean absolute error between two pulse oximeter measurements at different sites (finger and earlobe). The activities of daily living affect the respiratory rate, but the camera-derived estimates of this parameter are at least as accurate as those derived from a thoracic expansion sensor (chest belt). During a period of obstructive sleep apnoea, we tracked changes in oxygen saturation using the ratio of normalized reflectance changes in two colour channels (red and blue), but this required calibration against the reference data from a pulse oximeter. PMID:24681430

  14. Day of the year-based prediction of horizontal global solar radiation by a neural network auto-regressive model

    Science.gov (United States)

    Gani, Abdullah; Mohammadi, Kasra; Shamshirband, Shahaboddin; Khorasanizadeh, Hossein; Seyed Danesh, Amir; Piri, Jamshid; Ismail, Zuraini; Zamani, Mazdak

    2016-08-01

    The availability of accurate solar radiation data is essential for designing as well as simulating the solar energy systems. In this study, by employing the long-term daily measured solar data, a neural network auto-regressive model with exogenous inputs (NN-ARX) is applied to predict daily horizontal global solar radiation using day of the year as the sole input. The prime aim is to provide a convenient and precise way for rapid daily global solar radiation prediction, for the stations and their immediate surroundings with such an observation, without utilizing any meteorological-based inputs. To fulfill this, seven Iranian cities with different geographical locations and solar radiation characteristics are considered as case studies. The performance of NN-ARX is compared against the adaptive neuro-fuzzy inference system (ANFIS). The achieved results prove that day of the year-based prediction of daily global solar radiation by both NN-ARX and ANFIS models would be highly feasible owing to the accurate predictions attained. Nevertheless, the statistical analysis indicates the superiority of NN-ARX over ANFIS. In fact, the NN-ARX model represents high potential to follow the measured data favorably for all cities. For the considered cities, the attained statistical indicators of mean absolute bias error, root mean square error, and coefficient of determination for the NN-ARX models are in the ranges of 0.44-0.61 kWh/m2, 0.50-0.71 kWh/m2, and 0.78-0.91, respectively.

  15. Non-contact video-based vital sign monitoring using ambient light and auto-regressive models

    International Nuclear Information System (INIS)

    Remote sensing of the reflectance photoplethysmogram using a video camera typically positioned 1 m away from the patient’s face is a promising method for monitoring the vital signs of patients without attaching any electrodes or sensors to them. Most of the papers in the literature on non-contact vital sign monitoring report results on human volunteers in controlled environments. We have been able to obtain estimates of heart rate and respiratory rate and preliminary results on changes in oxygen saturation from double-monitored patients undergoing haemodialysis in the Oxford Kidney Unit. To achieve this, we have devised a novel method of cancelling out aliased frequency components caused by artificial light flicker, using auto-regressive (AR) modelling and pole cancellation. Secondly, we have been able to construct accurate maps of the spatial distribution of heart rate and respiratory rate information from the coefficients of the AR model. In stable sections with minimal patient motion, the mean absolute error between the camera-derived estimate of heart rate and the reference value from a pulse oximeter is similar to the mean absolute error between two pulse oximeter measurements at different sites (finger and earlobe). The activities of daily living affect the respiratory rate, but the camera-derived estimates of this parameter are at least as accurate as those derived from a thoracic expansion sensor (chest belt). During a period of obstructive sleep apnoea, we tracked changes in oxygen saturation using the ratio of normalized reflectance changes in two colour channels (red and blue), but this required calibration against the reference data from a pulse oximeter. (paper)

  16. A novel approach to equipment health management based on auto-regressive hidden semi-Markov model (AR-HSMM)

    Institute of Scientific and Technical Information of China (English)

    DONG Ming

    2008-01-01

    As a new maintenance method, CBM (condition based maintenance) is becoming more and more important for the health management of complicated and costly equipment. A prerequisite to widespread deployment of CBM technology and prac-tice in industry is effective diagnostics and prognostics. Recently, a pattern recog-nition technique called HMM (hidden Markov model) was widely used in many fields. However, due to some unrealistic assumptions, diagnositic results from HMM were not so good, and it was difficult to use HMM directly for prognosis. By relaxing the unrealistic assumptions in HMM, this paper presents a novel approach to equip-ment health management based on auto-regressive hidden semi-Markov model (AR-HSMM). Compared with HMM, AR-HSMM has three advantages: 1)It allows explicitly modeling the time duration of the hidden states and therefore is capable of prognosis. 2) It can relax observations' independence assumption by accom-modating a link between consecutive observations. 3) It does not follow the unre-alistic Markov chain's memoryless assumption and therefore provides more pow-erful modeling and analysis capability for real problems. To facilitate the computation in the proposed AR-HSMM-based diagnostics and prognostics, new forwardbackward variables are defined and a modified forward-backward algorithm is developed. The evaluation of the proposed methodology was carried out through a real world application case study: health diagnosis and prognosis of hydraulic pumps in Caterpillar Inc. The testing results show that the proposed new approach based on AR-HSMM is effective and can provide useful support for the decision-making in equipment health management.

  17. A new data integration approach for AutoCAD and GIS

    Science.gov (United States)

    Ye, Hongmei; Li, Yuhong; Wang, Cheng; Li, Lijun

    2006-10-01

    GIS has its advantages both on spatial data analysis and management, particularly on the geometric and attributive information management, which has also attracted lots attentions among researchers around world. AutoCAD plays more and more important roles as one of the main data sources of GIS. Various work and achievements can be found in the related literature. However, the conventional data integration from AutoCAD to GIS is time-consuming, which also can cause the information loss both in the geometric aspects and the attributive aspects for a large system. It is necessary and urgent to sort out new approach and algorithm for the efficient high-quality data integration. In this paper, a novel data integration approach from AutoCAD to GIS will be introduced based on the spatial data mining technique through the data structure analysis both in the AutoCAD and GIS. A practicable algorithm for the data conversion from CAD to GIS will be given as well. By a designed evaluation scheme, the accuracy of the conversion both in the geometric and the attributive information will be demonstrated. Finally, the validity and feasibility of the new approach will be shown by an experimental analysis.

  18. Integrated Multiscale Latent Variable Regression and Application to Distillation Columns

    Directory of Open Access Journals (Sweden)

    Muddu Madakyaru

    2013-01-01

    Full Text Available Proper control of distillation columns requires estimating some key variables that are challenging to measure online (such as compositions, which are usually estimated using inferential models. Commonly used inferential models include latent variable regression (LVR techniques, such as principal component regression (PCR, partial least squares (PLS, and regularized canonical correlation analysis (RCCA. Unfortunately, measured practical data are usually contaminated with errors, which degrade the prediction abilities of inferential models. Therefore, noisy measurements need to be filtered to enhance the prediction accuracy of these models. Multiscale filtering has been shown to be a powerful feature extraction tool. In this work, the advantages of multiscale filtering are utilized to enhance the prediction accuracy of LVR models by developing an integrated multiscale LVR (IMSLVR modeling algorithm that integrates modeling and feature extraction. The idea behind the IMSLVR modeling algorithm is to filter the process data at different decomposition levels, model the filtered data from each level, and then select the LVR model that optimizes a model selection criterion. The performance of the developed IMSLVR algorithm is illustrated using three examples, one using synthetic data, one using simulated distillation column data, and one using experimental packed bed distillation column data. All examples clearly demonstrate the effectiveness of the IMSLVR algorithm over the conventional methods.

  19. Integrated lens auto-focus system driven by a nut-type ultrosonic motor (USM)

    Institute of Scientific and Technical Information of China (English)

    ZHOU TieYing; CHEN Yu; LU CunYue; FU DeYong; HU XiaoPing; LI Yi; TIANBin

    2009-01-01

    This paper introduces an integrated optical auto-focus system driven by a nut-type ultrasonic motor (USM). The system comprises an optical lens as a rotor (M6 or M7), a polyhedral tube of copper as a stator; an image sensor, and a driver IC of the motor. The sizes of the AF (auto-focus) module are 8.5 mm×8.5 mm×5.9 mm. The piezoelectric elements are bonded on the external surface of the stator. The rotor has external screw thread that engages with the inner screw thread of the stator. When the pie-zoelectric elements are excited by the driver IC, a bend traveling wave in plane is generated on the stator along the circle direction, that drives the lens rotor to rotate and then to move axially. The driver IC is controlled by an image feedback of an image sensor centered on the axis of the casing, then the optical focusing is realized. The power consumption is zero at rest and is less than 0.25 W in motion; focusing precision 3 r/s(180 r/min); response <10 ms; high reliability: resistant to shock and fall off; directly driven by the driver IC without transmission mechanism; the friction force is namely the driving force and noiseless. The integrated optical auto-focus system is very useful, espe-cially for cellular phones. The image resolution of 3-5 MP has been obtained in the module prototypes of the cellular phone.

  20. Integrated lens auto-focus system driven by a nut-type ultrosonic motor (USM)

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    This paper introduces an integrated optical auto-focus system driven by a nut-type ultrasonic motor (USM). The system comprises an optical lens as a rotor (M6 or M7), a polyhedral tube of copper as a stator; an image sensor, and a driver IC of the motor. The sizes of the AF (auto-focus) module are 8.5 mm×8.5 mm×5.9 mm. The piezoelectric elements are bonded on the external surface of the stator. The rotor has external screw thread that engages with the inner screw thread of the stator. When the piezoelectric elements are excited by the driver IC, a bend traveling wave in plane is generated on the stator along the circle direction, that drives the lens rotor to rotate and then to move axially. The driver IC is controlled by an image feedback of an image sensor centered on the axis of the casing, then the optical focusing is realized. The power consumption is zero at rest and is less than 0.25 W in motion; focusing precision <10 μm; speed >3 r/s(180 r/min); response <10 ms; high reliability: resistant to shock and fall off; directly driven by the driver IC without transmission mechanism; the friction force is namely the driving force and noiseless. The integrated optical auto-focus system is very useful, especially for cellular phones. The image resolution of 3―5 MP has been obtained in the module prototypes of the cellular phone.

  1. Fouling resistance prediction using artificial neural network nonlinear auto-regressive with exogenous input model based on operating conditions and fluid properties correlations

    Science.gov (United States)

    Biyanto, Totok R.

    2016-06-01

    Fouling in a heat exchanger in Crude Preheat Train (CPT) refinery is an unsolved problem that reduces the plant efficiency, increases fuel consumption and CO2 emission. The fouling resistance behavior is very complex. It is difficult to develop a model using first principle equation to predict the fouling resistance due to different operating conditions and different crude blends. In this paper, Artificial Neural Networks (ANN) MultiLayer Perceptron (MLP) with input structure using Nonlinear Auto-Regressive with eXogenous (NARX) is utilized to build the fouling resistance model in shell and tube heat exchanger (STHX). The input data of the model are flow rates and temperatures of the streams of the heat exchanger, physical properties of product and crude blend data. This model serves as a predicting tool to optimize operating conditions and preventive maintenance of STHX. The results show that the model can capture the complexity of fouling characteristics in heat exchanger due to thermodynamic conditions and variations in crude oil properties (blends). It was found that the Root Mean Square Error (RMSE) are suitable to capture the nonlinearity and complexity of the STHX fouling resistance during phases of training and validation.

  2. A segmented hybrid photon detector with integrated auto-triggering front-end electronics for a PET scanner

    International Nuclear Information System (INIS)

    We describe the design, fabrication and test results of a segmented hybrid photon detector with integrated auto-triggering front-end electronics. Both the photodetector and its VLSI readout electronics are custom designed and have been tailored to the requirements of a recently proposed novel geometrical concept of a positron emission tomograph. Emphasis is put on the PET-specific features of the device. The detector has been fabricated in the photocathode facility at CERN

  3. Deep AutoRegressive Networks

    OpenAIRE

    Gregor, Karol; Danihelka, Ivo; Mnih, Andriy; Blundell, Charles; Wierstra, Daan

    2013-01-01

    We introduce a deep, generative autoencoder capable of learning hierarchies of distributed representations from data. Successive deep stochastic hidden layers are equipped with autoregressive connections, which enable the model to be sampled from quickly and exactly via ancestral sampling. We derive an efficient approximate parameter estimation method based on the minimum description length (MDL) principle, which can be seen as maximising a variational lower bound on the log-likelihood, with ...

  4. A unified framework for testing in the linear regression model under unknown order of fractional integration

    DEFF Research Database (Denmark)

    Christensen, Bent Jesper; Kruse, Robinson; Sibbertsen, Philipp

    We consider hypothesis testing in a general linear time series regression framework when the possibly fractional order of integration of the error term is unknown. We show that the approach suggested by Vogelsang (1998a) for the case of integer integration does not apply to the case of fractional...

  5. Auto Safety

    Science.gov (United States)

    ... 5 Things to Know About Zika & Pregnancy Auto Safety KidsHealth > For Parents > Auto Safety Print A A ... by teaching some basic rules. Importance of Child Safety Seats Using a child safety seat (car seat) ...

  6. Auto- and Crosscorrelograms for the Spike Response of Leaky Integrate-and-Fire Neurons with Slow Synapses

    International Nuclear Information System (INIS)

    An analytical description of the response properties of simple but realistic neuron models in the presence of noise is still lacking. We determine completely up to the second order the firing statistics of a single and a pair of leaky integrate-and-fire neurons receiving some common slowly filtered white noise. In particular, the auto- and cross-correlation functions of the output spike trains of pairs of cells are obtained from an improvement of the adiabatic approximation introduced previously by Moreno-Bote and Parga [Phys. Rev. Lett. 92, 028102 (2004)]. These two functions define the firing variability and firing synchronization between neurons, and are of much importance for understanding neuron communication

  7. Auto Adjusting Astronomical Telescope

    Directory of Open Access Journals (Sweden)

    Rohit R. Ghalsasi

    2014-04-01

    Full Text Available Astronomical telescope is powerful and basic tool for star or celestial observation. Here we proposed integrated system using Raspberry Pi for auto adjusting astronomical telescope. This integrated circuit helps to control stellar monitoring, stellar targeting, and tracking functions of telescope. Astro compass gives the direction of the celestial objects.

  8. Integrating address geocoding, land use regression, and spatiotemporal geostatistical estimation for groundwater tetrachloroethylene.

    Science.gov (United States)

    Messier, Kyle P; Akita, Yasuyuki; Serre, Marc L

    2012-03-01

    Geographic information systems (GIS) based techniques are cost-effective and efficient methods used by state agencies and epidemiology researchers for estimating concentration and exposure. However, budget limitations have made statewide assessments of contamination difficult, especially in groundwater media. Many studies have implemented address geocoding, land use regression, and geostatistics independently, but this is the first to examine the benefits of integrating these GIS techniques to address the need of statewide exposure assessments. A novel framework for concentration exposure is introduced that integrates address geocoding, land use regression (LUR), below detect data modeling, and Bayesian Maximum Entropy (BME). A LUR model was developed for tetrachloroethylene that accounts for point sources and flow direction. We then integrate the LUR model into the BME method as a mean trend while also modeling below detects data as a truncated Gaussian probability distribution function. We increase available PCE data 4.7 times from previously available databases through multistage geocoding. The LUR model shows significant influence of dry cleaners at short ranges. The integration of the LUR model as mean trend in BME results in a 7.5% decrease in cross validation mean square error compared to BME with a constant mean trend.

  9. Control of integrating process with dead time using auto-tuning approach

    Directory of Open Access Journals (Sweden)

    G. Saravanakumar

    2009-03-01

    Full Text Available A modification of Smith predictor for controlling higher order processes with integral action and long dead-time is proposed in this paper. The controller used in this Smith predictor is an Integral-Proportional Derivative controller, where the Integrator is in the forward path and the Proportional and Derivative control are in the feedback, acting on the feedback signal. The main objective of this paper is to design a dead time compensator, which has minimum tuning parameters, simple controller tuning, and robust performance of tuning formulae, and to obtain a critically damped system that is as fast as possible in its set point and load disturbance rejection performance. The controller in this paper is tuned by an adaptive method. This paper also presents a survey of various dead time compensators and their performance analysis.

  10. Auto Alternatives

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    China counts on developing new-energy vehicles to maintain its auto-market leadership While it remains to be seen what kind of progress will be made following the UN Climate Conference in Cancun, Mexico,

  11. Regression analysis of biologically effective integrated irradiances versus ozone, clouds and geometric factors

    Science.gov (United States)

    Díaz, S.; Deferrari, G.; Martinioni, D.; Oberto, A.

    2000-05-01

    Factors affecting UV radiation at the earth's surface include the solar zenith angle, earth-sun distance, clouds, aerosols, altitude, ozone and the ground's albedo. The variation of some factors, such as solar zenith angle and earth-sun distance, is well established. Total column ozone and UV radiation are inversely related, but the presence of clouds may affect the resulting UV in such a way that a depletion in the total column ozone may not always lead to an increase in the radiation at the earth's surface. The aim of this paper is to determine the contribution to the variation of the biologically effective irradiance by geometric factors, clouds and ozone, jointly and separately, in Ushuaia (54°49'S, 68°19'W, sea level), and the seasonal variation of this relationship, given the magnitude and seasonal distribution of the ozone depletion and the frequent presence of high cloud cover in this site. For this purpose, multivariate and simple regression analyses of daily and monthly integrated irradiances weighted by the DNA damage action spectrum as a function of total column ozone and the integrated irradiances in the band 337-342 nm (as a proxy for cloud cover and geometric factors) have been performed. For the analysed period (September 1989-December 1996) more than 97% of the variation of the DNA damage weighted daily integrated irradiances is described by changes in ozone, clouds and geometric factors. Simple regression analysis for daily integrated irradiances, grouped by month, shows that most of this variation is explained by clouds and geometric factors, except in spring, when strong ozone depletion occurs intermittently over this area. When monthly trends are removed, similar results are observed, except for late winter.

  12. Integrated product and process system with continuous improvement in the auto parts industry

    OpenAIRE

    I.B. Silva; G.F. Batalha; M. Stipkovik Filho; F.Z. Ceccarelli; J.B. Anjos; M. Fesz

    2009-01-01

    Purpose: Quality systems (QS) update must be based on the enterprise organization to assure customer satisfaction, as Deming, Juran and Feigenbaum did in their time, to seek improvement processes to reach high quality performance. This way, the proposal of this paper is the development of quality system integration model of product and process with continuous improvement.Design/methodology/approach: To reach this goal, a Brazilian automotive parts quality system was improved through the Compu...

  13. Structured catalysts for methane auto-thermal reforming in a compact thermal integrated reaction system

    International Nuclear Information System (INIS)

    In this work a compact catalytic reactor was analysed for the ATR of CH4 as natural gas surrogate. Structured catalysts (commercial honeycomb and foam monoliths) performances in CH4 processing were studied. In reactor design, great attention has been paid to the thermal integration, in order to obtain a total self-sustainability of the process avoiding additional external heat sources, and improving the plant compactness. Through a heat exchange system integrated in the reactor, water and air streams are preheated by exploiting the heat from exhaust stream, allowing to feed reactants at room temperature as well as cooling products stream at a temperature suitable for further purification stages (Water Gas Shift, Preferential Oxidation). In order to have a very comprehensive process analysis, temperatures and composition were monitored in 6 point along the catalytic bed. The influence of catalytic system geometry and thermal conductivity in the process performances were also analysed. Preliminary tests showed high thermal system efficiency, with a good hydrocarbon conversion at different operating conditions for both catalyst typologies

  14. Integrated product and process system with continuous improvement in the auto parts industry

    Directory of Open Access Journals (Sweden)

    I.B. Silva

    2009-06-01

    Full Text Available Purpose: Quality systems (QS update must be based on the enterprise organization to assure customer satisfaction, as Deming, Juran and Feigenbaum did in their time, to seek improvement processes to reach high quality performance. This way, the proposal of this paper is the development of quality system integration model of product and process with continuous improvement.Design/methodology/approach: To reach this goal, a Brazilian automotive parts quality system was improved through the Computer Integrated Manufacturing (CIM, Design for Manufacturing and Assembly (DFMA and Lean Six Sigma (LSS methodologies.Findings: The paper shows what the problems are during the factory quality system management. The results achieved in the studied company show the performance quality evolution through their indicators.Research limitations/implications: The article presents quality system problems of only one Brazilian plant of an automotive industry.Practical implications: Presented in this article should be a way to look for continuous improvement methods.Originality/value: The paper is supported on the authors’ practical experiences to improve the quality system at a Brazilian plant.

  15. Regional Integrated Meteorological Forecasting and Warning Model for Geological Hazards Based on Logistic Regression

    Institute of Scientific and Technical Information of China (English)

    XU Jing; YANG Chi; ZHANG Guoping

    2007-01-01

    Information model is adopted to integrate factors of various geosciences to estimate the susceptibility of geological hazards. Further combining the dynamic rainfall observations, Logistic regression is used for modeling the probabilities of geological hazard occurrences, upon which hierarchical warnings for rainfall-induced geological hazards are produced. The forecasting and warning model takes numerical precipitation forecasts on grid points as its dynamic input, forecasts the probabilities of geological hazard occurrences on the same grid, and translates the results into likelihoods in the form of a 5-level hierarchy. Validation of the model with observational data for the year 2004 shows that 80% of the geological hazards of the year have been identified as "likely enough to release warning messages". The model can satisfy the requirements of an operational warning system, thus is an effective way to improve the meteorological warnings for geological hazards.

  16. Integration Analysis of Three Omics Data Using Penalized Regression Methods: An Application to Bladder Cancer.

    Science.gov (United States)

    Pineda, Silvia; Real, Francisco X; Kogevinas, Manolis; Carrato, Alfredo; Chanock, Stephen J; Malats, Núria; Van Steen, Kristel

    2015-12-01

    Omics data integration is becoming necessary to investigate the genomic mechanisms involved in complex diseases. During the integration process, many challenges arise such as data heterogeneity, the smaller number of individuals in comparison to the number of parameters, multicollinearity, and interpretation and validation of results due to their complexity and lack of knowledge about biological processes. To overcome some of these issues, innovative statistical approaches are being developed. In this work, we propose a permutation-based method to concomitantly assess significance and correct by multiple testing with the MaxT algorithm. This was applied with penalized regression methods (LASSO and ENET) when exploring relationships between common genetic variants, DNA methylation and gene expression measured in bladder tumor samples. The overall analysis flow consisted of three steps: (1) SNPs/CpGs were selected per each gene probe within 1Mb window upstream and downstream the gene; (2) LASSO and ENET were applied to assess the association between each expression probe and the selected SNPs/CpGs in three multivariable models (SNP, CPG, and Global models, the latter integrating SNPs and CPGs); and (3) the significance of each model was assessed using the permutation-based MaxT method. We identified 48 genes whose expression levels were significantly associated with both SNPs and CPGs. Importantly, 36 (75%) of them were replicated in an independent data set (TCGA) and the performance of the proposed method was checked with a simulation study. We further support our results with a biological interpretation based on an enrichment analysis. The approach we propose allows reducing computational time and is flexible and easy to implement when analyzing several types of omics data. Our results highlight the importance of integrating omics data by applying appropriate statistical strategies to discover new insights into the complex genetic mechanisms involved in disease

  17. Integration of association statistics over genomic regions using Bayesian adaptive regression splines

    Directory of Open Access Journals (Sweden)

    Zhang Xiaohua

    2003-11-01

    Full Text Available Abstract In the search for genetic determinants of complex disease, two approaches to association analysis are most often employed, testing single loci or testing a small group of loci jointly via haplotypes for their relationship to disease status. It is still debatable which of these approaches is more favourable, and under what conditions. The former has the advantage of simplicity but suffers severely when alleles at the tested loci are not in linkage disequilibrium (LD with liability alleles; the latter should capture more of the signal encoded in LD, but is far from simple. The complexity of haplotype analysis could be especially troublesome for association scans over large genomic regions, which, in fact, is becoming the standard design. For these reasons, the authors have been evaluating statistical methods that bridge the gap between single-locus and haplotype-based tests. In this article, they present one such method, which uses non-parametric regression techniques embodied by Bayesian adaptive regression splines (BARS. For a set of markers falling within a common genomic region and a corresponding set of single-locus association statistics, the BARS procedure integrates these results into a single test by examining the class of smooth curves consistent with the data. The non-parametric BARS procedure generally finds no signal when no liability allele exists in the tested region (ie it achieves the specified size of the test and it is sensitive enough to pick up signals when a liability allele is present. The BARS procedure provides a robust and potentially powerful alternative to classical tests of association, diminishes the multiple testing problem inherent in those tests and can be applied to a wide range of data types, including genotype frequencies estimated from pooled samples.

  18. Strategic Alliance Decision-Making for the Auto Industry Base on an Integrate DEA and GM(1,1 Approach

    Directory of Open Access Journals (Sweden)

    Nan Wang

    2015-11-01

    Full Text Available Strategic alliance promotes enterprise resources sharing and enhances the competitiveness of the marketplace. Therefore, finding a mutually beneficial partner to make a strategic alliance is an important issue for various industries. The aim of this paper is to propose a suitable method based on Grey theory and Data Envelopment Analysis (DEA. A method predicts future business and measure operation efficiency, by the use of critical input and output variables. From this, firms can find out their appropriate candidates. This research was implemented with realistic public data from four consecutive financial years (2009-2012 of twenty Auto Manufactures. The study tries to help target firm find the right alliance partners. The results show the most priori candidates in recent years. The study will be of interest for managers of Auto Manufacture in utilizing alliance strategy.

  19. Integration of logistic regression, Markov chain and cellular automata models to simulate urban expansion

    NARCIS (Netherlands)

    Jokar Arsanjani, J.; Helbich, M.; Kainz, W.; Boloorani, A.

    2013-01-01

    This research analyses the suburban expansion in the metropolitan area of Tehran, Iran. A hybrid model consisting of logistic regression model, Markov chain (MC), and cellular automata (CA) was designed to improve the performance of the standard logistic regression model. Environmental and socio-eco

  20. An Integrated Approach to Battery Health Monitoring using Bayesian Regression, Classification and State Estimation

    Data.gov (United States)

    National Aeronautics and Space Administration — The application of the Bayesian theory of managing uncertainty and complexity to regression and classification in the form of Relevance Vector Machine (RVM), and to...

  1. Fail Fast - Fail Often: Enhancing Agile Methodology using Dynamic Regression, Code Bisector and Code Quality in Continuous Integration (CI

    Directory of Open Access Journals (Sweden)

    Sandeep Sivanandan

    2015-06-01

    Full Text Available Agile practices are receiving considerable attention from industry as an alternative to traditional software development approaches. However, there are a number of challenges in combining Agile [2] with Test-driven development (TDD [10] practices, cloud deployments, continuous integration (CI, non-stop performance, load, security and accessibly testing. From these challenges; Continuous Integration is a relatively an approach widely discussed and practiced in software testing. This paper describes an approach for improved Agile Methodology using Code Quality, Code Bisector and Dynamic Regression in Continuous Integration. The set of tools used for this analysis, design and development are Jenkins, Robot Framework [4], Perforce and Git.

  2. Precision Interval Estimation of the Response Surface by Means of an Integrated Algorithm of Neural Network and Linear Regression

    Science.gov (United States)

    Lo, Ching F.

    1999-01-01

    The integration of Radial Basis Function Networks and Back Propagation Neural Networks with the Multiple Linear Regression has been accomplished to map nonlinear response surfaces over a wide range of independent variables in the process of the Modem Design of Experiments. The integrated method is capable to estimate the precision intervals including confidence and predicted intervals. The power of the innovative method has been demonstrated by applying to a set of wind tunnel test data in construction of response surface and estimation of precision interval.

  3. An integrated approach to analyze strategy map using BSC – FUZZY AHP: A case study of auto industry

    Directory of Open Access Journals (Sweden)

    Mohammad Abdolshah

    2012-04-01

    Full Text Available In an environment, which is highly competitive and everything changes rapidly, managers of organizations face with problems such as how to identify important factors preventing organizations from optimum use of available resources and capacities and invest more on key factors. To achieve this goal, we need to develop an effective strategy map for organizations. The strategy map is a constructional and expanding procedure to identify relationships among all the organization's strategic goals, which play a key role in achieving competitive advantage. Undoubtedly, representing a model to identify and to evaluate the important items for each of available goals in strategy map of each organization is a significant help for management to access higher competition benefits. In this paper, strategic objectives in the strategy map of one of the best producer of electric auto part makers in Iran called Electric Vehicle Co. East are evaluated based on balanced score card perspective and to assign appropriate values to available factors we use a hybrid method consist of AHP technique with Fuzzy logic.

  4. Retrospective feasibility study of simultaneous integrated boost in cervical cancer using tomotherapy: the impact of organ motion and tumor regression

    Directory of Open Access Journals (Sweden)

    Herrera Fernanda G

    2013-01-01

    Full Text Available Abstract Background Whole pelvis intensity modulated radiotherapy (IMRT is increasingly being used to treat cervical cancer aiming to reduce side effects. Encouraged by this, some groups have proposed the use of simultaneous integrated boost (SIB to target the tumor, either to get a higher tumoricidal effect or to replace brachytherapy. Nevertheless, physiological organ movement and rapid tumor regression throughout treatment might substantially reduce any benefit of this approach. Purpose To evaluate the clinical target volume - simultaneous integrated boost (CTV-SIB regression and motion during chemo-radiotherapy (CRT for cervical cancer, and to monitor treatment progress dosimetrically and volumetrically to ensure treatment goals are met. Methods and materials Ten patients treated with standard doses of CRT and brachytherapy were retrospectively re-planned using a helical Tomotherapy - SIB technique for the hypothetical scenario of this feasibility study. Target and organs at risk (OAR were contoured on deformable fused planning-computed tomography and megavoltage computed tomography images. The CTV-SIB volume regression was determined. The center of mass (CM was used to evaluate the degree of motion. The Dice’s similarity coefficient (DSC was used to assess the spatial overlap of CTV-SIBs between scans. A cumulative dose-volume histogram modeled estimated delivered doses. Results The CTV-SIB relative reduction was between 31 and 70%. The mean maximum CM change was 12.5, 9, and 3 mm in the superior-inferior, antero-posterior, and right-left dimensions, respectively. The CTV-SIB-DSC approached 1 in the first week of treatment, indicating almost perfect overlap. CTV-SIB-DSC regressed linearly during therapy, and by the end of treatment was 0.5, indicating 50% discordance. Two patients received less than 95% of the prescribed dose. Much higher doses to the OAR were observed. A multiple regression analysis showed a significant interaction

  5. Retrospective feasibility study of simultaneous integrated boost in cervical cancer using tomotherapy: the impact of organ motion and tumor regression

    International Nuclear Information System (INIS)

    Whole pelvis intensity modulated radiotherapy (IMRT) is increasingly being used to treat cervical cancer aiming to reduce side effects. Encouraged by this, some groups have proposed the use of simultaneous integrated boost (SIB) to target the tumor, either to get a higher tumoricidal effect or to replace brachytherapy. Nevertheless, physiological organ movement and rapid tumor regression throughout treatment might substantially reduce any benefit of this approach. To evaluate the clinical target volume - simultaneous integrated boost (CTV-SIB) regression and motion during chemo-radiotherapy (CRT) for cervical cancer, and to monitor treatment progress dosimetrically and volumetrically to ensure treatment goals are met. Ten patients treated with standard doses of CRT and brachytherapy were retrospectively re-planned using a helical Tomotherapy - SIB technique for the hypothetical scenario of this feasibility study. Target and organs at risk (OAR) were contoured on deformable fused planning-computed tomography and megavoltage computed tomography images. The CTV-SIB volume regression was determined. The center of mass (CM) was used to evaluate the degree of motion. The Dice’s similarity coefficient (DSC) was used to assess the spatial overlap of CTV-SIBs between scans. A cumulative dose-volume histogram modeled estimated delivered doses. The CTV-SIB relative reduction was between 31 and 70%. The mean maximum CM change was 12.5, 9, and 3 mm in the superior-inferior, antero-posterior, and right-left dimensions, respectively. The CTV-SIB-DSC approached 1 in the first week of treatment, indicating almost perfect overlap. CTV-SIB-DSC regressed linearly during therapy, and by the end of treatment was 0.5, indicating 50% discordance. Two patients received less than 95% of the prescribed dose. Much higher doses to the OAR were observed. A multiple regression analysis showed a significant interaction between CTV-SIB reduction and OAR dose increase. The CTV-SIB had important

  6. Auto Industry Faces Change

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    A number of indicators show that China's auto industry is facing a new round of large-scale restructuring. When the global auto industry was undergoing reorganization 10 years ago, China's auto industry was in its early stages, acting in a relatively closed market, and thus it missed out on that important event. However, the situation is different today. In the past decade, China's auto industry has grown at a rapid pace. While the world's major transnational companies are

  7. Integrating principal component analysis and vector quantization with support vector regression for sulfur content prediction in HDS process

    Directory of Open Access Journals (Sweden)

    Shokri Saeid

    2015-01-01

    Full Text Available An accurate prediction of sulfur content is very important for the proper operation and product quality control in hydrodesulfurization (HDS process. For this purpose, a reliable data- driven soft sensors utilizing Support Vector Regression (SVR was developed and the effects of integrating Vector Quantization (VQ with Principle Component Analysis (PCA were studied on the assessment of this soft sensor. First, in pre-processing step the PCA and VQ techniques were used to reduce dimensions of the original input datasets. Then, the compressed datasets were used as input variables for the SVR model. Experimental data from the HDS setup were employed to validate the proposed integrated model. The integration of VQ/PCA techniques with SVR model was able to increase the prediction accuracy of SVR. The obtained results show that integrated technique (VQ-SVR was better than (PCA-SVR in prediction accuracy. Also, VQ decreased the sum of the training and test time of SVR model in comparison with PCA. For further evaluation, the performance of VQ-SVR model was also compared to that of SVR. The obtained results indicated that VQ-SVR model delivered the best satisfactory predicting performance (AARE= 0.0668 and R2= 0.995 in comparison with investigated models.

  8. Boundary integral equation method calculations of surface regression effects in flame spreading

    Science.gov (United States)

    Altenkirch, R. A.; Rezayat, M.; Eichhorn, R.; Rizzo, F. J.

    1982-01-01

    A solid-phase conduction problem that is a modified version of one that has been treated previously in the literature and is applicable to flame spreading over a pyrolyzing fuel is solved using a boundary integral equation (BIE) method. Results are compared to surface temperature measurements that can be found in the literature. In addition, the heat conducted through the solid forward of the flame, the heat transfer responsible for sustaining the flame, is also computed in terms of the Peclet number based on a heated layer depth using the BIE method and approximate methods based on asymptotic expansions. Agreement between computed and experimental results is quite good as is agreement between the BIE and the approximate results.

  9. Forecasting with Dynamic Regression Models

    CERN Document Server

    Pankratz, Alan

    2012-01-01

    One of the most widely used tools in statistical forecasting, single equation regression models is examined here. A companion to the author's earlier work, Forecasting with Univariate Box-Jenkins Models: Concepts and Cases, the present text pulls together recent time series ideas and gives special attention to possible intertemporal patterns, distributed lag responses of output to input series and the auto correlation patterns of regression disturbance. It also includes six case studies.

  10. Transrectal ultrasound-integrated spectral optical tomography of hypoxic progression of a regressing tumor in a canine prostate.

    Science.gov (United States)

    Jiang, Z; Piao, D; Bartels, K E; Holyoak, G R; Ritchey, J W; Ownby, C L; Rock, K; Slobodov, G

    2011-12-01

    The objective of this study was to evaluate if transrectal optical tomography implemented at three wavelength bands for spectral detection could monitor changes of the hemoglobin oxygen saturation (StO2) in addition to those of the total hemoglobin concentration ([HbT]) in lesions of a canine prostate, including an induced tumor modeling canine prostate cancer. Near-infrared (NIR) optical tomography was integrated with ultrasound (US) for transrectal imaging. Multi-spectral detection at 705_nm, 785_nm and 808_nm rendered measurements of [HbT] and StO2. Canine transmissible venereal tumor (TVT) cells were injected into the right lobe of a dog's prostate gland, which had a pre-existing cyst in the left lobe. Longitudinal assessments of the prostate were performed weekly over a 63-day duration by NIR imaging concurrent with grey-scale and Doppler US. Ultrasonography revealed a bi-lobular tumor-mass regressing from day-49 to day-63. At day-49 this tumor-mass developed a hypoxic core that became larger and more intense by day-56 and expanded further by day-63. The tumor-mass presented a strong hyper-[HbT] feature on day-56 that was inconsistent with US-visualized blood flow. Histology confirmed two necrotic TVT foci within this tumor-mass. The cyst appeared to have a large anoxic-like interior that was greater in size than its ultrasonographically delineated lesion, and a weak lesional elevation of [HbT]. On day-56, the cyst presented a strong hyper-[HbT] feature consistent with US-resolved blood flow. Histology revealed acute and chronic hemorrhage in the periphery of the cyst. The NIR imaging features of two other TVT nodules and a metastatic lymph node were evaluated retrospectively. Transrectal US-integrated spectral optical tomography seems to enable longitudinal monitoring of intra-lesional oxygenation dynamics in addition to the hemoglobin content of lesions in the canine prostate.

  11. AutoBin

    OpenAIRE

    Salin, Franck

    2010-01-01

    AutoBin is an Excel Macro written in Microsoft Visual Basic (VBA). It automatically analyzes raw data generated from microsatellites genotyping software such as STRand (Toonen et al., 2001) or GeneMapper (Applied Biosystems, USA). AutoBin has been developed by Franck Salin. It can deal with unlimited number of loci and samples, with no consideration of the type of SSRs motifs. AutoBin helps the user to bin his data with visual alerts and format automatically the data for downstream analysis.

  12. AutoCAD workbook

    CERN Document Server

    Metherell, Phil

    1989-01-01

    AutoCAD Workbook helps new users learn the basics of AutoCad, providing guidance on most of the commonly used functions in which the program operates.This book discusses loading AutoCad and starting a drawing; drawing and erasing lines, circles, and arcs; and setting up the drawing environment. The topics on drawing and editing polylines; entering text and text styles; and layers, linetype, and color are also considered. This publication likewise covers creating and using blocks, hatching and extracting information, dimensioning drawings, 3D visualization, and plotting a drawing. Other

  13. Tagaotsitav "Auto" / Kristiina Vaarik

    Index Scriptorium Estoniae

    Vaarik, Kristiina

    2001-01-01

    Chris O'Connelli "Auto" Vanemuises, lavastaja Mark Babych. Etendusele tegid muusika ansamblist Bizarre tuntud muusikud Tristan Priimägi ja Lauri Liivak, kes artiklis sellest räägivad. Esietendus 2. detsembril 2000

  14. Appropriate assessment of neighborhood effects on individual health: integrating random and fixed effects in multilevel logistic regression

    DEFF Research Database (Denmark)

    Larsen, Klaus; Merlo, Juan

    2005-01-01

    The logistic regression model is frequently used in epidemiologic studies, yielding odds ratio or relative risk interpretations. Inspired by the theory of linear normal models, the logistic regression model has been extended to allow for correlated responses by introducing random effects. However......, the model does not inherit the interpretational features of the normal model. In this paper, the authors argue that the existing measures are unsatisfactory (and some of them are even improper) when quantifying results from multilevel logistic regression analyses. The authors suggest a measure of...... regression. For this purpose, the authors propose an odds ratio measure, the interval odds ratio, that takes these difficulties into account. The authors demonstrate the two measures by investigating heterogeneity between neighborhoods and effects of neighborhood-level covariates in two examples...

  15. Quantile regression

    CERN Document Server

    Hao, Lingxin

    2007-01-01

    Quantile Regression, the first book of Hao and Naiman's two-book series, establishes the seldom recognized link between inequality studies and quantile regression models. Though separate methodological literature exists for each subject, the authors seek to explore the natural connections between this increasingly sought-after tool and research topics in the social sciences. Quantile regression as a method does not rely on assumptions as restrictive as those for the classical linear regression; though more traditional models such as least squares linear regression are more widely utilized, Hao

  16. World Auto Parts Market Thriving

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ In a global market with increased competition, the global auto industrial chain in some regions of Europe, the U.S. and Japan is transforming into a new relationship between the auto parts producers and complete vehicle producers.

  17. Regression Basics

    CERN Document Server

    Kahane, Leo H

    2007-01-01

    Using a friendly, nontechnical approach, the Second Edition of Regression Basics introduces readers to the fundamentals of regression. Accessible to anyone with an introductory statistics background, this book builds from a simple two-variable model to a model of greater complexity. Author Leo H. Kahane weaves four engaging examples throughout the text to illustrate not only the techniques of regression but also how this empirical tool can be applied in creative ways to consider a broad array of topics. New to the Second Edition Offers greater coverage of simple panel-data estimation:

  18. Beginning AutoCAD 2002

    CERN Document Server

    McFarlane, Bob

    2002-01-01

    New features in AutoCAD 2002 are covered in this book, making it a useful refresher course for anyone using AutoCAD at this level, and upgrading to the new software release. The material in the book is also relevant to anyone using other recent releases, including, AutoCAD 2000.

  19. Auto's te water.

    NARCIS (Netherlands)

    2009-01-01

    Ongevallen waarbij auto's in diep water of in een sloot of greppel belanden zijn dikwijls gecompliceerd en lopen vaak ernstig af. Gezien deze afloop en het feit dat ongeveer de helft van de overleden bij dit soort ongevallen niet omkomt door verdrinking maar door verwondingen, zijn preventieve maatr

  20. AutoCAD

    DEFF Research Database (Denmark)

    Jensen, Henrik

    1998-01-01

    I 1998 var AutoCAD Arkitektskolens basale CAD-tilbud til de studerende. Kursets vægt ligger på konstruktion og strukturering af 3d-modeller og med udgangspunkt i dette, 2d-tegning. Kurset er opbygget over CAD Clasic skabelonen (se min forskning). Kompendiet kan bruges til selvstudium....

  1. Auto Part Boom

    Institute of Scientific and Technical Information of China (English)

    WANG PEI

    2006-01-01

    @@ "Facing a very good market space at the present time,no matter domestic or overseas,we are increasing all the resources we can to expand our production capacity,"says Xu Peng,sales manager of a major Chinese private auto parts company."However,there are still many external conditions restricting the expansion."

  2. The Durban Auto Cluster

    DEFF Research Database (Denmark)

    Lorentzen, Jochen; Robbins, Glen; Barnes, Justin

    2004-01-01

    The paper describes the formation of the Durban Auto Cluster in the context of trade liberalization. It argues that the improvement of operational competitiveness of firms in the cluster is prominently due to joint action. It tests this proposition by comparing the gains from cluster activities i...

  3. AutoCAD 2014 and AutoCAD LT 2014

    CERN Document Server

    Gladfelter, Donnie

    2013-01-01

    A step-by-step tutorial introduction to AutoCAD As the only book to teach AutoCAD using a continuous tutorial which allows you to follow along sequentially or jump in at any exercise by downloading the drawing files, this Autodesk Official Press book is ideal for the AutoCAD novice. Industry expert and AutoCAD guru Donnie Gladfelter walks you through the powerful features of AutoCAD, provides you with a solid foundation of the basics, and shares the latest industry standards and techniques. The hands-on tutorial project inspired by real-world workflows that runs throughout the book

  4. Logistic Regression

    Science.gov (United States)

    Grégoire, G.

    2014-12-01

    The logistic regression originally is intended to explain the relationship between the probability of an event and a set of covariables. The model's coefficients can be interpreted via the odds and odds ratio, which are presented in introduction of the chapter. The observations are possibly got individually, then we speak of binary logistic regression. When they are grouped, the logistic regression is said binomial. In our presentation we mainly focus on the binary case. For statistical inference the main tool is the maximum likelihood methodology: we present the Wald, Rao and likelihoods ratio results and their use to compare nested models. The problems we intend to deal with are essentially the same as in multiple linear regression: testing global effect, individual effect, selection of variables to build a model, measure of the fitness of the model, prediction of new values… . The methods are demonstrated on data sets using R. Finally we briefly consider the binomial case and the situation where we are interested in several events, that is the polytomous (multinomial) logistic regression and the particular case of ordinal logistic regression.

  5. Fail Fast - Fail Often: Enhancing Agile Methodology using Dynamic Regression, Code Bisector and Code Quality in Continuous Integration (CI)

    OpenAIRE

    Sandeep Sivanandan

    2015-01-01

    Agile practices are receiving considerable attention from industry as an alternative to traditional software development approaches. However, there are a number of challenges in combining Agile [2] with Test-driven development (TDD) [10] practices, cloud deployments, continuous integration (CI), non-stop performance, load, security and accessibly testing. From these challenges; Continuous Integration is a relatively an approach widely discussed and practiced in software testing. This paper de...

  6. 粒子群和蚁群融合算法的自主清洁机器人路径%Particle Swarm Optimization and Ant Colony Algorithm integration of auto-cleaning robot path

    Institute of Scientific and Technical Information of China (English)

    杨惠; 李峰

    2009-01-01

    为了克服粒子群算法和蚁群算法的缺陷,将改进的粒子群算法和蚁群算法进行融合,形成了PAAA算法,并将此算法应用于自主清洁机器人行为路径的仿真实验.结果表明:PAAA在求解性能上优于粒子群算法,在时间效率上优于蚁群算法.%In order to overcome the deficiencies of particle swarm optimization and ant colony algorithm,this paper integrates the improved particle swarm optimization and ant colony algorithm,formats the PAAA,this algorithm is applied to auto-cleaning robot simulation path.The results show that:PAAA superior performance in solving particle swarm optimization,in terms of time better than the ant colony algorithm efficiency.

  7. MS AutoCad

    DEFF Research Database (Denmark)

    Andersen, Michael Rye; Heinicke, Hugo

    1996-01-01

    Formålet med dette notat er at give en introduktion til tegning af et generalarrangement ved anvendelse af CAD-programmet AutoCAD. Generalarrangementets formål er at skabe en overskuelig præsentation af et skibsprojekt. Det skal gøres indenfor de rammer, som ligger til grund for praktiskprojekter......Formålet med dette notat er at give en introduktion til tegning af et generalarrangement ved anvendelse af CAD-programmet AutoCAD. Generalarrangementets formål er at skabe en overskuelig præsentation af et skibsprojekt. Det skal gøres indenfor de rammer, som ligger til grund...

  8. Word Integration and Regression Programming during Reading: A Test of the E-Z Reader 10 Model

    Science.gov (United States)

    Inhoff, Albrecht W.; Greenberg, Seth N.; Solomon, Matthew; Wang, Chin-An

    2009-01-01

    Participants read sentences with two types of target nouns, one that did and one that did not require a determiner to form a legal verb-noun phrase sequence. Sentences were presented with and without the critical determiner to create a local noun integration difficulty when a required determiner was missing. The absence of a required determiner…

  9. Jeddah Auto Mall

    OpenAIRE

    Altahlawi, Naif

    2008-01-01

    This Project demonstrates a constructive approach in Jeddah, Saudi Arabia where the building would be a symbol of luxury. The auto mall gives a common platform to different car makers to display their cars and address their competition under one roof which would be convenient for customers to compare cars. The building has twelve show room units. Each unit has a display area, offices, and a service area. The roof structure system facilitates a large open span beneath it. A series of con...

  10. PERFORMING [AUTO] ETHNOGRAPHY POLITICALLY

    OpenAIRE

    Denzin, Norman K.

    2015-01-01

    Building on earlier arguments, I propose a civic, publicly responsable [auto] ethnography that addresses the central issues of self, race, gender, class, society, and democracy.  I begin with pedagogies of hope and the sociological and ethnographic imaginations.  I turn then to the ethnographer and cultural studies, reviewing several models of critical ethnography. I next examine critical performance pedagogy, politics, and critical race theory, and conclude with a brief discussion of the pra...

  11. 外商直接投资、知识产权保护与出口产业结构调整--基于联立方程和VAR模型实证分析%Foreign Direct Investment,Intellectual Property Protection and Industrial Restructure of Export---The Empirical Research Based on Simultaneous Equations and Vector Auto Regression Models

    Institute of Scientific and Technical Information of China (English)

    周游

    2014-01-01

    By constructing simultaneous equations and taking advantage of vector auto regression models,this paper makes empirical research on the interrelation among Chinese foreign direct investment,intellectual property protection and export industrial structure from 1990 to 2011. The result shows that:structural optimization of export industry is not conducive to at-tract foreign direct investment,but foreign direct investment is conducive to structural optimization of export industry;It is beneficial to the structural optimization of Chinese export industry and inflow of foreign direct investment by strengthening of intellectual property protection,simultaneously,the structural optimization of Chinese export industry and inflow of foreign direct investment promote the improvement of the level of protection of intellectual property rights.%通过构建联立方程,并利用VAR模型,对我国1990~2011年外商直接投资、知识产权保护和出口产业结构之间相互关系进行实证研究,结果表明:出口产业结构优化不利于我国吸引外商直接投资,但外商直接投资有利于我国出口产业结构优化;加强知识产权保护有利于我国出口产业结构优化和外商直接投资流入,同时出口产业结构优化和外商直接投资流入也促进了我国知识产权保护水平的提高。

  12. Pyrolysis and auto-gasification of black liquor in presence of ZnO: An integrated process for Zn/ZnO nanostructure production and bioenergy generation

    International Nuclear Information System (INIS)

    This study presents a new process for valorisation of black liquor into gases that are used to reduce ZnO and promote zinc nanosheet synthesis, besides energy generation. During the black liquor pyrolysis and auto-gasification, gases evolve, especially carbon monoxide, and promote ZnO reduction with Zn(v) release. The metal is condensed yielding zinc nanosheets, with partial surface re-oxidation in presence of carbon dioxide. The process was investigated at the micro scale using thermal analyses (TG/DTG/DTA) and the gases evolved were analysed by FTIR spectroscopy (TG/FTIR). The process was also studied in laboratory scale using a tubular electric furnace. The black liquor/ZnO mixture was placed at the quartz tube and the sample was heated to 900 °C at 10 °C/min, and the temperature was held at 900 °C for 1 h. The nanostructures growth was catalyst-free, without pressure reduction or a template, at temperatures lower than those required in the classical carbothermal reduction of ZnO with fossil carbon. The nanostructures were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and infrared spectroscopy (FTIR). One mechanism was presented in an attempt to explain the synthesis of Zn/ZnO nanosheets that are crystalline. This green and innovative process has potential use at the industry due to its operational conditions, low costs and technological importance of Zn and ZnO nanostructures. -- Graphical abstract: Display Omitted Highlights: ► Black liquor and ZnO mixture were submitted to a heat treatment until 900 °C. ► The black liquor suffered pyrolysis and auto-gasification. ► ZnO is reduced by CO yielding Znv, that is condensed generating Zn/ZnO nanosheets. ► The nanostructures are characterized and a mechanism of reactions is presented. ► The new process can produce energy and nanostructures in large scale.

  13. Internet与AutoCAD%Internet and AutoCAD

    Institute of Scientific and Technical Information of China (English)

    李岩; 修立刚

    2009-01-01

    从Internet是国际上交流信息最重要的方法出发,介绍了AutoCAD的网络功能.即如何在Web上发布图形和在AutoCAD中进行网上的图形操作.%Is internationally exchanges the information most important method from Intemet to embark, introduced the AutoCAD network function, how namely on Web to issue that the graph and carries in-line graph operation in AutoCAD.

  14. AutoCAD / AutoCAD LT 2014 fundamentals metric

    CERN Document Server

    ASCENT center for technical knowledge

    2014-01-01

    The objective of AutoCAD/AutoCAD LT 2014 Fundamentals is to enable students to create a basic 2D drawing in the AutoCAD software. Even at this fundamental level, the AutoCAD software is one of the most sophisticated computer applications that you are likely to encounter. Therefore learning to use it can be challenging. To make the process easier and provide flexibility for instructors and students, the training guide is divided into two parts that can be taken independently.

  15. Land Surface Temperature Retrieval from MODIS Data by Integrating Regression Models and the Genetic Algorithm in an Arid Region

    Directory of Open Access Journals (Sweden)

    Ji Zhou

    2014-06-01

    Full Text Available The land surface temperature (LST is one of the most important parameters of surface-atmosphere interactions. Methods for retrieving LSTs from satellite remote sensing data are beneficial for modeling hydrological, ecological, agricultural and meteorological processes on Earth’s surface. Many split-window (SW algorithms, which can be applied to satellite sensors with two adjacent thermal channels located in the atmospheric window between 10 μm and 12 μm, require auxiliary atmospheric parameters (e.g., water vapor content. In this research, the Heihe River basin, which is one of the most arid regions in China, is selected as the study area. The Moderate-resolution Imaging Spectroradiometer (MODIS is selected as a test case. The Global Data Assimilation System (GDAS atmospheric profiles of the study area are used to generate the training dataset through radiative transfer simulation. Significant correlations between the atmospheric upwelling radiance in MODIS channel 31 and the other three atmospheric parameters, including the transmittance in channel 31 and the transmittance and upwelling radiance in channel 32, are trained based on the simulation dataset and formulated with three regression models. Next, the genetic algorithm is used to estimate the LST. Validations of the RM-GA method are based on the simulation dataset generated from in situ measured radiosonde profiles and GDAS atmospheric profiles, the in situ measured LSTs, and a pair of daytime and nighttime MOD11A1 products in the study area. The results demonstrate that RM-GA has a good ability to estimate the LSTs directly from the MODIS data without any auxiliary atmospheric parameters. Although this research is for local application in the Heihe River basin, the findings and proposed method can easily be extended to other satellite sensors and regions with arid climates and high elevations.

  16. "Chinese Style" Auto marketing Thrives

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ Over the past 10 years, China's auto industry has seen rapid growth.The miracle of such fast development, from a humble beginning to a strong player in the world's auto industry,can be attributed to a variety of factors.The most important factor, however, is that the auto industry has incorporated Chinese characteristics during its growth,whether facing challenges or developing new innovations.

  17. Beginning AutoCAD 2005

    CERN Document Server

    McFarlane, Bob

    2005-01-01

    Beginning AutoCAD 2005 is a course based on learning and practising the essentials of 2D drawing using AutoCAD. Bob McFarlane's hands-on approach is uniquely suited to independent learning and use on courses. The focus on 2D drawing in one book, ensures the reader gets a thorough grounding in the subject, with a greater depth of coverage than tends to be available from general introductions to AutoCAD. As a result, this book provides a true, step-by-step, detailed exploration of the AutoCAD functions required at each stage of producing a 2D drawing - an approach often

  18. Brilliance Auto: Chinese, Global, Successful

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

      As the only automobile sponsor of BOAO FORUM FOR ASIA in April 2004, Brilliance Auto had a great opportunity to show her 'New Zhonghua" sedan which is an upper-medium car with completely independent intellectual property rights and repre sents the independent development philosophy of Brilliance Auto and is especially made for business personnel. The development pattern of Zhonghua sedan set a brand new model in Chinese auto industry to utilize the global resources and talents and international division of labor in the international arena, and she has become a typical sample of independent brand sedans in the contemporary Chinese auto industry.……

  19. Auto immune hepatitis.

    Science.gov (United States)

    van Gerven, Nicole Mf; de Boer, Ynto S; Mulder, Chris Jj; van Nieuwkerk, Carin Mj; Bouma, Gerd

    2016-05-21

    To provide an update of the latest trends in epidemiology, clinical course, diagnostics, complications and treatment of auto immune hepatitis (AIH). A search of the MEDLINE database was performed using the search terms: "auto immune hepatitis", "clinical presentation", "symptoms", "signs", "diagnosis", "auto antibodies", "laboratory values", "serology", "histopathology", "histology", "genetics", "HLA genes", "non-HLA genes", "environment", "epidemiology", "prevalence", "incidence", "demographics", "complications", "HCC", "PBC", "PSC", "corticosteroid", "therapy", "treatment", "alternative treatment". English-language full-text articles and abstracts were considered. Articles included reviews, meta-analysis, prospective retrospective studies. No publication date restrictions were applied. AIH is an immune meditated progressive inflammatory liver disease that predominantly affects middle-aged females but may affect people of all ages. The clinical spectrum of AIH is wide, ranging from absent or mild symptoms to fulminant hepatic failure. The aetiology of AIH is still unknown, but is believed to occur as the consequence of an aberrant immune response towards an un-known trigger in a genetically susceptible host. In the absence of a gold standard, diagnosis is based on the combination of clinical, biochemical and histopathological criteria. Immunosuppressive treatment has been the cornerstone of treatment since the earliest description of the disease in 1950 by Waldenström. Such treatment is often successful at inducing remission and generally leads to normal life expectancy. Nevertheless, there remain significant areas of unmet aetiological a clinical needs including fundamental insight in disease pathogenesis, optimal therapy, duration of treatment and treatment alternatives in those patients unresponsive to standard treatment regimens. PMID:27217697

  20. PERFORMING [AUTO] ETHNOGRAPHY POLITICALLY

    Directory of Open Access Journals (Sweden)

    Norman K. Denzin

    2015-06-01

    Full Text Available Building on earlier arguments, I propose a civic, publicly responsable [auto] ethnography that addresses the central issues of self, race, gender, class, society, and democracy.  I begin with pedagogies of hope and the sociological and ethnographic imaginations.  I turn then to the ethnographer and cultural studies, reviewing several models of critical ethnography. I next examine critical performance pedagogy, politics, and critical race theory, and conclude with a brief discussion of the practices of a performative cultural politics.

  1. Bayesian logistic regression analysis

    NARCIS (Netherlands)

    Van Erp, H.R.N.; Van Gelder, P.H.A.J.M.

    2012-01-01

    In this paper we present a Bayesian logistic regression analysis. It is found that if one wishes to derive the posterior distribution of the probability of some event, then, together with the traditional Bayes Theorem and the integrating out of nuissance parameters, the Jacobian transformation is an

  2. Lens auto-centering

    Science.gov (United States)

    Lamontagne, Frédéric; Desnoyers, Nichola; Doucet, Michel; Côté, Patrice; Gauvin, Jonny; Anctil, Geneviève; Tremblay, Mathieu

    2015-09-01

    In a typical optical system, optical elements usually need to be precisely positioned and aligned to perform the correct optical function. This positioning and alignment involves securing the optical element in a holder or mount. Proper centering of an optical element with respect to the holder is a delicate operation that generally requires tight manufacturing tolerances or active alignment, resulting in costly optical assemblies. To optimize optical performance and minimize manufacturing cost, there is a need for a lens mounting method that could relax manufacturing tolerance, reduce assembly time and provide high centering accuracy. This paper presents a patent pending lens mounting method developed at INO that can be compared to the drop-in technique for its simplicity while providing the level of accuracy close to that achievable with techniques using a centering machine (usually innovative auto-centering method is based on the use of geometrical relationship between the lens diameter, the lens radius of curvature and the thread angle of the retaining ring. The autocentering principle and centering test results performed on real optical assemblies are presented. In addition to the low assembly time, high centering accuracy, and environmental robustness, the INO auto-centering method has the advantage of relaxing lens and barrel bore diameter tolerances as well as lens wedge tolerances. The use of this novel lens mounting method significantly reduces manufacturing and assembly costs for high performance optical systems. Large volume productions would especially benefit from this advancement in precision lens mounting, potentially providing a drastic cost reduction.

  3. Automatic detection of AutoPEEP during controlled mechanical ventilation

    Directory of Open Access Journals (Sweden)

    Nguyen Quang-Thang

    2012-06-01

    Full Text Available Abstract Background Dynamic hyperinflation, hereafter called AutoPEEP (auto-positive end expiratory pressure with some slight language abuse, is a frequent deleterious phenomenon in patients undergoing mechanical ventilation. Although not readily quantifiable, AutoPEEP can be recognized on the expiratory portion of the flow waveform. If expiratory flow does not return to zero before the next inspiration, AutoPEEP is present. This simple detection however requires the eye of an expert clinician at the patient’s bedside. An automatic detection of AutoPEEP should be helpful to optimize care. Methods In this paper, a platform for automatic detection of AutoPEEP based on the flow signal available on most of recent mechanical ventilators is introduced. The detection algorithms are developed on the basis of robust non-parametric hypothesis testings that require no prior information on the signal distribution. In particular, two detectors are proposed: one is based on SNT (Signal Norm Testing and the other is an extension of SNT in the sequential framework. The performance assessment was carried out on a respiratory system analog and ex-vivo on various retrospectively acquired patient curves. Results The experiment results have shown that the proposed algorithm provides relevant AutoPEEP detection on both simulated and real data. The analysis of clinical data has shown that the proposed detectors can be used to automatically detect AutoPEEP with an accuracy of 93% and a recall (sensitivity of 90%. Conclusions The proposed platform provides an automatic early detection of AutoPEEP. Such functionality can be integrated in the currently used mechanical ventilator for continuous monitoring of the patient-ventilator interface and, therefore, alleviate the clinician task.

  4. Hybrid Support Vector Regression and Autoregressive Integrated Moving Average Models Improved by Particle Swarm Optimization for Property Crime Rates Forecasting with Economic Indicators

    Directory of Open Access Journals (Sweden)

    Razana Alwee

    2013-01-01

    Full Text Available Crimes forecasting is an important area in the field of criminology. Linear models, such as regression and econometric models, are commonly applied in crime forecasting. However, in real crimes data, it is common that the data consists of both linear and nonlinear components. A single model may not be sufficient to identify all the characteristics of the data. The purpose of this study is to introduce a hybrid model that combines support vector regression (SVR and autoregressive integrated moving average (ARIMA to be applied in crime rates forecasting. SVR is very robust with small training data and high-dimensional problem. Meanwhile, ARIMA has the ability to model several types of time series. However, the accuracy of the SVR model depends on values of its parameters, while ARIMA is not robust to be applied to small data sets. Therefore, to overcome this problem, particle swarm optimization is used to estimate the parameters of the SVR and ARIMA models. The proposed hybrid model is used to forecast the property crime rates of the United State based on economic indicators. The experimental results show that the proposed hybrid model is able to produce more accurate forecasting results as compared to the individual models.

  5. The Impact of Integrated Practices of Lean, Green, and Social Management Systems on Firm Sustainability Performance—Evidence from Chinese Fashion Auto-Parts Suppliers

    Directory of Open Access Journals (Sweden)

    Lin Wu

    2015-03-01

    Full Text Available To better satisfy various stakeholders, firms are seeking integrated practices that can enhance their sustainability performance, also well known as the Triple Bottom Line (3BL. The fashion industry exhibits potential conflicts with the spirit of sustainability because of the waste created by high levels of demand uncertainty and the extant usage of resources in production. Literature suggests that selected stand-alone practices of lean, green, and Corporate Social Responsibility (CSR management systems have a positive impact on firm sustainability performance. However, how the combination of selected practices from these three management systems impacts the 3BL remains unclear. Based on case studies, we build an integrated sustainable practices model incorporating the most popular lean, green, and social practices and develop propositions for future tests. Our framework suggests the implementation of integrated practices would have a stronger influence on 3BL performance than individual practice implementation.

  6. Wind speed prediction using statistical regression and neural network

    Indian Academy of Sciences (India)

    Makarand A Kulkarni; Sunil Patil; G V Rama; P N Sen

    2008-08-01

    Prediction of wind speed in the atmospheric boundary layer is important for wind energy assess- ment,satellite launching and aviation,etc.There are a few techniques available for wind speed prediction,which require a minimum number of input parameters.Four different statistical techniques,viz.,curve fitting,Auto Regressive Integrated Moving Average Model (ARIMA),extrapolation with periodic function and Artificial Neural Networks (ANN)are employed to predict wind speed.These methods require wind speeds of previous hours as input.It has been found that wind speed can be predicted with a reasonable degree of accuracy using two methods,viz.,extrapolation using periodic curve fitting and ANN and the other two methods are not very useful.

  7. Auto covariance computer

    Science.gov (United States)

    Hepner, T. E.; Meyers, J. F. (Inventor)

    1985-01-01

    A laser velocimeter covariance processor which calculates the auto covariance and cross covariance functions for a turbulent flow field based on Poisson sampled measurements in time from a laser velocimeter is described. The device will process a block of data that is up to 4096 data points in length and return a 512 point covariance function with 48-bit resolution along with a 512 point histogram of the interarrival times which is used to normalize the covariance function. The device is designed to interface and be controlled by a minicomputer from which the data is received and the results returned. A typical 4096 point computation takes approximately 1.5 seconds to receive the data, compute the covariance function, and return the results to the computer.

  8. Generalized Nonlinear Irreducible Auto-Correlation and Its Applications in Nonlinear Prediction Models Identification

    Institute of Scientific and Technical Information of China (English)

    HOU Yuexian; HE Pilian

    2005-01-01

    There is still an obstacle to prevent neural network from wider and more effective applications, i.e., the lack of effective theories of models identification. Based on information theory and its generalization, this paper introduces a universal method to achieve nonlinear models identification. Two key quantities, which are called nonlinear irreducible auto-correlation (NIAC) and generalized nonlinear irreducible auto-correlation (GNIAC), are defined and discussed. NIAC and GNIAC correspond with intrinstic irreducible auto-dependency (IAD) and generalized irreducible auto-dependency (GIAD) of time series respectively. By investigating the evolving trend of NIAC and GNIAC, the optimal auto-regressive order of nonlinear auto-regressive models could be determined naturally. Subsequently, an efficient algorithm computing NIAC and GNIAC is discussed. Experiments on simulating data sets and typical nonlinear prediction models indicate remarkable correlation between optimal auto-regressive order and the highest order that NIAC-GNIAC have a remarkable non-zero value, therefore demonstrate the validity of the proposal in this paper.

  9. Participação e integração: o ponto de vista das teorias da auto-organização Participation and integration: the self-organization theories point of view

    Directory of Open Access Journals (Sweden)

    Ana Maria Coutinho Aleksandrowicz

    2009-10-01

    Full Text Available Este artigo visa apresentar bases teóricas que auxiliem o exercício da participação e da integração numa equipe interdisciplinar de pesquisadores. Para tal, num primeiro momento, delinearemos noções fundamentais do novo campo conceitual proposto, o das teorias da auto-organização dos seres vivos. Exporemos, a seguir, construtos de Henri Atlan, Jean-Pierre Dupuy e Cornelius Castoriadis relevantes para a consecução do objetivo almejado. Finalmente, sugeriremos possibilidades de passagem à prática de alguns dos princípios descritos.This article presents theoretical bases to facilitate participation and integration within an interdisciplinary research team. In order to achieve this, we will sketch fundamental notions related to the new conceptual field of self-organization of living beings. Subsequently, we will expose some ideas by Henri Atlan, Jean-Pierre Dupuy and Cornelius Castoriadis that are important to reach our objectives. Finally, we will suggest how to turn these principles into practice.

  10. Local Linear Regression for Data with AR Errors

    Institute of Scientific and Technical Information of China (English)

    Runze Li; Yan Li

    2009-01-01

    In many statistical applications, data are collected over time, and they are likely correlated. In this paper, we investigate how to incorporate the correlation information into the local linear regression. Under the assumption that the error process is an auto-regressive process, a new estimation procedure is proposed for the nonparametric regression by using local linear regression method and the profile least squares techniques.We further propose the SCAD penalized profile least squares method to determine the order of auto-regressive process. Extensive Monte Carlo simulation studies are conducted to examine the finite sample performance of the proposed procedure, and to compare the performance of the proposed procedures with the existing one.From our empirical studies, the newly proposed procedures can dramatically improve the accuracy of naive local linear regression with working-independent error structure. We illustrate the proposed methodology by an analysis of real data set.

  11. AutoCAD 2014 essentials

    CERN Document Server

    Onstott, Scott

    2013-01-01

    Learn crucial AutoCAD tools and techniques with this Autodesk Official Press Book Quickly become productive using AutoCAD 2014 and AutoCAD LT 2014 with this full color Autodesk Official Press guide. This unique learning resource features concise, straightforward explanations and real-world, hands-on exercises and tutorials. Following a quick discussion of concepts and goals, each chapter moves on to an approachable hands-on exercise designed to reinforce real-world tactics and techniques. Compelling, full-color screenshots illustrate tutorial steps, and chapters conclude with relat

  12. Esma Auto ja Mazda on loodud kestma

    Index Scriptorium Estoniae

    2003-01-01

    Ülevaade olulisematest sündmustest Esma Auto kümne tegevusaasta jooksul. Kommenteerivad Tarmo Järvoja, Mart Laar ja Enn Sau. Diagrammid ja skeemid: AS Esma Auto müügi statistika läbi aastate; AS Esma Auto kasum ja klientide arv aastate lõikes; Esma Auto esindused Eestis ja pakutavad teenused

  13. CONGRATULATIONS ON AUTO CHINA 2006

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    @@ In April, China Machinery Industry Federation and Media & Press Center of CCPIT have successfully organized the China Auto International(Syria)Exhibition Tour and promoted the "walk out" strategy of Chinese independent brands.

  14. CONGRATULATIONS ON AUTO CHINA 2006

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

      In April, China Machinery Industry Federation and Media & Press Center of CCPIT have successfully organized the China Auto International(Syria)Exhibition Tour and promoted the "walk out" strategy of Chinese independent brands.……

  15. Sajandi Auto / Willem J. Staat

    Index Scriptorium Estoniae

    Staat, Willem J.

    1998-01-01

    Näitus 'Car of the Century' toimus 27. juunist 5. juulini Amsterdamis, 21. augustist 7. septembrini Torontos. Edasi liigub näitus Pariisi, Melbourne'i ja Lissaboni. Võistluse korraldusest. Lõplikult selgitatakse Sajandi Auto 4. detsembril 1999.

  16. Green Project in Auto Industry

    Institute of Scientific and Technical Information of China (English)

    Yang Wei

    2007-01-01

    @@ Automobile industry in China is developing very fast,which brings great business opportunities.In 2006,China was ranked the third in the world only after the United States and Japan in terms of auto sales.As the vehicle population in China is rocketing,a series of related social problems are emerging.How to fast develop auto industfy,and at the same time,protect our lwing environment? A green project is in urgent need.

  17. AutoCAD 2015 and AutoCAD LT 2015

    CERN Document Server

    Gladfelter, Donnie

    2014-01-01

    Learn AutoCAD by example with this tutorial-based guide from Autodesk Official Press Whether you are just starting out or an experienced user wanting to brush up on your skills, this Autodesk Official Press book provides you with concise explanations, focused examples, and step-by-step instructions through a hands-on tutorial project that runs throughout the book. As you progress through the project, the book introduces you to the Microsoft Windows-based AutoCAD interface and then guides you through basic commands and creating drawings. A downloadable file is available from the website so that

  18. Landslide Susceptibility Analysis by the comparison and integration of Random Forest and Logistic Regression methods; application to the disaster of Nova Friburgo - Rio de Janeiro, Brasil (January 2011)

    Science.gov (United States)

    Esposito, Carlo; Barra, Anna; Evans, Stephen G.; Scarascia Mugnozza, Gabriele; Delaney, Keith

    2014-05-01

    The study of landslide susceptibility by multivariate statistical methods is based on finding a quantitative relationship between controlling factors and landslide occurrence. Such studies have become popular in the last few decades thanks to the development of geographic information systems (GIS) software and the related improved data management. In this work we applied a statistical approach to an area of high landslide susceptibility mainly due to its tropical climate and geological-geomorphological setting. The study area is located in the south-east region of Brazil that has frequently been affected by flood and landslide hazard, especially because of heavy rainfall events during the summer season. In this work we studied a disastrous event that occurred on January 11th and 12th of 2011, which involved Região Serrana (the mountainous region of Rio de Janeiro State) and caused more than 5000 landslides and at least 904 deaths. In order to produce susceptibility maps, we focused our attention on an area of 93,6 km2 that includes Nova Friburgo city. We utilized two different multivariate statistic methods: Logistic Regression (LR), already widely used in applied geosciences, and Random Forest (RF), which has only recently been applied to landslide susceptibility analysis. With reference to each mapping unit, the first method (LR) results in a probability of landslide occurrence, while the second one (RF) gives a prediction in terms of % of area susceptible to slope failure. With this aim in mind, a landslide inventory map (related to the studied event) has been drawn up through analyses of high-resolution GeoEye satellite images, in a GIS environment. Data layers of 11 causative factors have been created and processed in order to be used as continuous numerical or discrete categorical variables in statistical analysis. In particular, the logistic regression method has frequent difficulties in managing numerical continuous and discrete categorical variables

  19. AutoCAD 2010 For Dummies

    CERN Document Server

    Byrnes, David

    2009-01-01

    AutoCAD is the hot computer-aided design software known for both its powerful tools and its complexity. AutoCAD 2010 for Dummies is the bestselling guide that walks you through this complicated program so you can build complex 3D technical drawings, edit like a pro, enter new dimensions, and plot with style. AutoCAD 2010 for Dummies helps you navigate the program, use the AutoCAD Design Center, create a basic layout and work with dimension, and put your drawings on the Internet. You'll soon be setting up the AutoCAD environment, using the AutoCAD Ribbon, creating annotation and dimension drawi

  20. Regression: A Bibliography.

    Science.gov (United States)

    Pedrini, D. T.; Pedrini, Bonnie C.

    Regression, another mechanism studied by Sigmund Freud, has had much research, e.g., hypnotic regression, frustration regression, schizophrenic regression, and infra-human-animal regression (often directly related to fixation). Many investigators worked with hypnotic age regression, which has a long history, going back to Russian reflexologists.…

  1. Instant AutoIt scripting

    CERN Document Server

    Laso, Emilio Aristides de Fez

    2013-01-01

    Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. This is a Packt Instant How-to guide, which provides concise and clear recipes for getting started with AutoIt.Instant AutoIt Scripting Essentials How-to is for beginners who wish to know more about automation and programming, system administration developers who intent to automate/manage clusters and servers, and for computer programmers who want to control any PC to create seamless automation apps.

  2. Footprints of China Auto Internatienal Exhibition Tour

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    @@ November 2008,the Sixth China Auto International(Algeria & Egypt)Exhibition Tour is ready.Since the first session was held in 1995,the Chinese auto enterprises have been to Vietnam,Cambodia,Syria,and Russian.

  3. The New Breakthroughs of Chinese Auto Industry

    Institute of Scientific and Technical Information of China (English)

    Sun Yongjian

    2006-01-01

    @@ Auto Engine Systems: A Key Part for Reform Prof. Ouyang Minggao, Tsinghua University: The road of development from a large production country to a strong technology country eyed. By 2020, China is predicted to be the largest auto manufactuer in the world.In the view of the development of the global auto market, the fastest development is taking place in developing countries.

  4. Auto executives:Worried While Being Happy

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Xu Liuping,director of the board of Chang'an Auto Group,had just come back from Japan and north America before the opening of this year's Shanghai auto show.He knew something about the financial crisis towards the overseas auto industry from reports and during this trip

  5. 2006 Chinese Government Auto Purchase Forum

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Sponsored by Economic Daily and the China Machinery Enterprises Management Association, the 2006 Chinese Government Auto Purchase Forum will be held in Tianjin on July 11-13. This represents another high-level dialogue and exchange between the government and the auto industry hot on the heels of the 2005 Chinese Government Auto Purchase Forum. This event is launched to promote

  6. Tumbling Auto Import and Export

    Institute of Scientific and Technical Information of China (English)

    Yantai Chen

    2009-01-01

    @@ The seemingly rebound global financial crisis has seriously eroded world economy from 2008,of which China's tumbling auto imports and exports business is a good example.At the beginning of 2008 it kicked off as an excellent year for the Chinese automotive market,but ended with the onset of a recession in last quarter both from the perspective of import and export.

  7. Environment-friendly Auto Marketing

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ Domestic auto sales have developed quickly with private vehicles making up the highest proportion, but lately customers have begun to care more about environmental protection. Therefore, the last few years has seen more and more consumption disputes and civil lawsuits resulting from the pollution inside vehicles.

  8. AutoCAD 2014 for dummies

    CERN Document Server

    Fane, Bill

    2013-01-01

    Find your way around AutoCAD 2014 with this full-color, For Dummies guide!Put away that pencil and paper and start putting the power of AutoCAD 2014 to work in your CAD projects and designs. From setting up your drawing environment to using text, dimensions, hatching, and more, this guide walks you through AutoCAD basics and provides you with a solid understanding of the latest CAD tools and techniques. You'll also benefit from the full-color illustrations that mirror exactly what you'll see on your AutoCAD 2014 screen and highlight the importance of AutoCAD's Mode

  9. AutoCAD platform customization autolisp

    CERN Document Server

    Ambrosius, Lee

    2014-01-01

    Customize and personalize programs built on the AutoCAD platform AutoLISP is the key to unlocking the secrets of a more streamlined experience using industry leading software programs like AutoCAD, Civil 3D, Plant 3D, and more. AutoCAD Platform Customization: AutoLISP provides real-world examples that show you how to do everything from modifying graphical objects and reading and setting system variables to communicating with external programs. It also features a resources appendix and downloadable datasets and customization examples-tools that ensure swift and easy adoption. Find out how to r

  10. AutoCAD应用技巧

    Institute of Scientific and Technical Information of China (English)

    张小平

    2010-01-01

    在长期使用AutoCAD绘图和AutoCAD教学中,发现AutoCAD中出现的问题很多,因此给我们带来困扰和使用的不便,大降低了工作的效率.为了方便AutoCAD绘图的使用和教学,笔者提出了自己的一些高效管理AutoCAD图形,提高绘图效率的方法.

  11. AutoCAD 2008 for dummies

    CERN Document Server

    Byrnes, David

    2007-01-01

    A gentle, humorous introduction to this fearsomely complex software that helps new users start creating 2D and 3D technical drawings right awayCovers the new features and enhancements in the latest AutoCAD version and provides coverage of AutoCAD LT, AutoCAD''s lower-cost siblingTopics covered include creating a basic layout, using AutoCAD DesignCenter, drawing and editing, working with dimensions, plotting, using blocks, adding text to drawings, and drawing on the InternetAutoCAD is the leading CAD software for architects, engineers, and draftspeople who need to create detailed 2D and 3D tech

  12. Contractive De-noising Auto-encoder

    OpenAIRE

    Chen, Fu-qiang; Wu, Yan; Zhao, Guo-dong; Zhang, Jun-Ming; Zhu, Ming; Bai, Jing

    2013-01-01

    Auto-encoder is a special kind of neural network based on reconstruction. De-noising auto-encoder (DAE) is an improved auto-encoder which is robust to the input by corrupting the original data first and then reconstructing the original input by minimizing the reconstruction error function. And contractive auto-encoder (CAE) is another kind of improved auto-encoder to learn robust feature by introducing the Frobenius norm of the Jacobean matrix of the learned feature with respect to the origin...

  13. AutoCAD platform customization VBA

    CERN Document Server

    Ambrosius, Lee

    2015-01-01

    Boost productivity and streamline your workflow with expert AutoCAD: VBA programming instruction AutoCAD Platform Customization: VBA is the definitive guide to personalizing AutoCAD and the various programs that run on the AutoCAD platform, including AutoCAD Architecture, Civil 3D, Plant 3D, and more. Written by an Autodesk insider with years of customization and programming experience, this book features detailed discussions backed by real-world examples and easy-to-follow tutorials that illustrate each step in the personalization process. Readers gain expert guidance toward managing layout

  14. GPS与CASS6.0、AutoCAD软件在景东县集体林权制度改革中的综合运用%Integrated Utilization of Software GPS and CASS6.0 as well as AutoCAD in the Reform of Collective Forest Property Right System in Jingdong County

    Institute of Scientific and Technical Information of China (English)

    诸良富

    2009-01-01

    为了解决景东县深化集体林权制度主体改革中时间紧、任务重、技术难度大、技术力量弱等实际问题,将GPS与CASS6.0、AutoCAD软件综合运用,使得外业工作速度加快,质量提高,每个技术员从一天只能勘查10~20宗林地提高到30~50宗林地,并且节省了人力、资金和时间,资料规范整齐,实现无纸化办公,档案管理方便.%In order to solve the actual problems in deepening the reform of collective forest property right system concerning critical time, heaven task, difficult technique, and poor technical ability, the software GPS and CASS6.0 as well as AutoCAD are comprehensively utilized to make the fieldwork fast speed and high quality. A technician can survey 30- 50 clans per day instead of original 10- 20 clans per day in detail. Moreover, the utilization can save human force, fund and time, and obtain standard materials to realize doing office work with no- paper and convenient file management as a result

  15. Semiparametric regression during 2003–2007

    KAUST Repository

    Ruppert, David

    2009-01-01

    Semiparametric regression is a fusion between parametric regression and nonparametric regression that integrates low-rank penalized splines, mixed model and hierarchical Bayesian methodology – thus allowing more streamlined handling of longitudinal and spatial correlation. We review progress in the field over the five-year period between 2003 and 2007. We find semiparametric regression to be a vibrant field with substantial involvement and activity, continual enhancement and widespread application.

  16. Auto Technology Exhibition in Tianjing

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    @@ The 4th International Automotive Technology Exhibition Tianjing2009,jointly hosted by the Society of Automotive Engineers of China(SAE-China),China Automotive Technology and Research Center(CATRC)and Tianjin Economic-Technological Development Area(TETD),is to be held in Tianjin Binhai International Convention and Exhibition Center from August 27 to August 30 this year.In line with China's national 11th Five-year Plan,The Automobile Industry Revitalization and Adjustments Planning and The Equipment Manufacturing Revitalization and Adjustments Planning,this Exhibition,centered on the theme of automobile and equipment manufacturing,arranges the exhibition halls respectively for private autos,commercial autos and equipment manufacturing etc.

  17. Purchasing The American Auto Industry

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Afalling giant is still huge There are reports that American Big Three are going to shut down 59 plants in this January to hold more cash for a supporting hand from the government. From the viewpoint of accountant practice and investment bank,it is the best time for local car producers to go abroad."Trapped American auto industry is much devalued and it is the best time for local producers

  18. AutoCAD到AutoCAD Mechanical的平滑过渡

    Institute of Scientific and Technical Information of China (English)

    黄皓

    2014-01-01

    AutoCAD Mechanical是AutoCAD面向机械行业的专业版,在行业内对AutoCAD具有全面优势。在2010版的环境下,阐述了AutoCAD Mechanical的新增功能、使用优势和操作技术,可以在较短时间内实现从AutoCAD到AutoCAD Mechanical使用的平滑过渡,实现工作效率与创新能力的倍增。

  19. AutoCAD platform customization user interface, AutoLISP, VBA, and beyond

    CERN Document Server

    Ambrosius, Lee

    2015-01-01

    Take control of AutoCAD to boost the speed, quality, and precision of your work Senior drafters and savvy users are increasingly taking AutoCAD customization out of the hands of system administrators, and taking control of their own workflow. In AutoCAD Platform Customization, Autodesk customization guru Lee Ambrosius walks you through a multitude of customization options using detailed tutorials and real-world examples applicable to AutoCAD, AutoCAD LT, Civil 3D, Plant 3D, and other programs built on the AutoCAD platform. By unleashing the full power of the software, you'll simplify and str

  20. Single nucleotide polymorphism discovery in barley using autoSNPdb.

    Science.gov (United States)

    Duran, Chris; Appleby, Nikki; Vardy, Megan; Imelfort, Michael; Edwards, David; Batley, Jacqueline

    2009-05-01

    Molecular markers are used to provide the link between genotype and phenotype, for the production of molecular genetic maps and to assess genetic diversity within and between related species. Single nucleotide polymorphisms (SNPs) are the most abundant molecular genetic marker. SNPs can be identified in silico, but care must be taken to ensure that the identified SNPs reflect true genetic variation and are not a result of errors associated with DNA sequencing. The SNP detection method autoSNP has been developed to identify SNPs from sequence data for any species. Confidence in the predicted SNPs is based on sequence redundancy, and haplotype co-segregation scores are calculated for a further independent measure of confidence. We have extended the autoSNP method to produce autoSNPdb, which integrates SNP and gene annotation information with a graphical viewer. We have applied this software to public barley expressed sequences, and the resulting database is available over the Internet. SNPs can be viewed and searched by sequence, functional annotation or predicted synteny with a reference genome, in this case rice. The correlation between SNPs and barley cultivar, expressed tissue type and development stage has been collated for ease of exploration. An average of one SNP per 240 bp was identified, with SNPs more prevalent in the 5' regions and simple sequence repeat (SSR) flanking sequences. Overall, autoSNPdb can provide a wealth of genetic polymorphism information for any species for which sequence data are available. PMID:19386041

  1. Logistics Optimization of Auto Parts Supplier Embedded by Service Alliance

    Directory of Open Access Journals (Sweden)

    Yue LONG

    2013-10-01

    Full Text Available To study the logistics service optimization of auto parts suppliers in China, this paper proposes a logistics service optimization model of many service enterprises to one supplier. This model which takes two logistics service enterprises and one supplier as research objects includes the enterprise interests growth model based on the Lotka-Volterra model and interests distribution model using Shapley value method amended by the contribution factor. Furthermore, an example is given to testify the model. The results show that the auto parts supplier’s logistics can be improved and cost can be reduced if the logistics service alliance was established successfully with one core integrating service enterprise and a total logistics service solution was provided. The results also show that as the cost reduces, the interests of the alliance increase and the rational distribution by the integrating service enterprise will help promote the interests of all members

  2. Averaged extreme regression quantile

    OpenAIRE

    Jureckova, Jana

    2015-01-01

    Various events in the nature, economics and in other areas force us to combine the study of extremes with regression and other methods. A useful tool for reducing the role of nuisance regression, while we are interested in the shape or tails of the basic distribution, is provided by the averaged regression quantile and namely by the average extreme regression quantile. Both are weighted means of regression quantile components, with weights depending on the regressors. Our primary interest is ...

  3. AutoMoDe - Model-Based Development of Automotive Software

    CERN Document Server

    Ziegenbein, Dirk; Freund, Ulrich; Bauer, Andreas; Romberg, Jan; Schatz, Bernhard

    2011-01-01

    This paper describes first results from the AutoMoDe (Automotive Model-Based Development) project. The overall goal of the project is to develop an integrated methodology for model-based development of automotive control software, based on problem-specific design notations with an explicit formal foundation. Based on the existing AutoFOCUS framework, a tool prototype is being developed in order to illustrate and validate the key elements of our approach.

  4. Auto-JacoBin: Auto-encoder Jacobian Binary Hashing

    OpenAIRE

    Fu, Xiping; McCane, Brendan; Mills, Steven; Albert, Michael; Szymanski, Lech

    2016-01-01

    Binary codes can be used to speed up nearest neighbor search tasks in large scale data sets as they are efficient for both storage and retrieval. In this paper, we propose a robust auto-encoder model that preserves the geometric relationships of high-dimensional data sets in Hamming space. This is done by considering a noise-removing function in a region surrounding the manifold where the training data points lie. This function is defined with the property that it projects the data points nea...

  5. Auto-encoders: reconstruction versus compression

    OpenAIRE

    Ollivier, Yann

    2014-01-01

    We discuss the similarities and differences between training an auto-encoder to minimize the reconstruction error, and training the same auto-encoder to compress the data via a generative model. Minimizing a codelength for the data using an auto-encoder is equivalent to minimizing the reconstruction error plus some correcting terms which have an interpretation as either a denoising or contractive property of the decoding function. These terms are related but not identical to those used in den...

  6. Quantile Regression Methods

    DEFF Research Database (Denmark)

    Fitzenberger, Bernd; Wilke, Ralf Andreas

    2015-01-01

    if the mean regression model does not. We provide a short informal introduction into the principle of quantile regression which includes an illustrative application from empirical labor market research. This is followed by briefly sketching the underlying statistical model for linear quantile regression based......, duration data, and endogeneity, and we describe how quantile regression can be used for decomposition analysis. Finally, we identify several key issues, which should be addressed by future research, and we provide an overview of quantile regression implementations in major statistics software. Our...... treatment of the topic is based on the perspective of applied researchers using quantile regression in their empirical work....

  7. Rate-Distortion Auto-Encoders

    OpenAIRE

    Giraldo, Luis G. Sanchez; Principe, Jose C.

    2013-01-01

    A rekindled the interest in auto-encoder algorithms has been spurred by recent work on deep learning. Current efforts have been directed towards effective training of auto-encoder architectures with a large number of coding units. Here, we propose a learning algorithm for auto-encoders based on a rate-distortion objective that minimizes the mutual information between the inputs and the outputs of the auto-encoder subject to a fidelity constraint. The goal is to learn a representation that is ...

  8. Brilliance Auto:Chinese, Global, Successful

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    @@ As the only automobile sponsor of BOAO FORUM FOR ASIA in April 2004, Brilliance Auto had a great opportunity to show her 'New Zhonghua" sedan which is an upper-medium car with completely independent intellectual property rights and repre sents the independent development philosophy of Brilliance Auto and is especially made for business personnel. The development pattern of Zhonghua sedan set a brand new model in Chinese auto industry to utilize the global resources and talents and international division of labor in the international arena, and she has become a typical sample of independent brand sedans in the contemporary Chinese auto industry.

  9. Research on the Teaching Method of AutoCAD%AutoCAD教学方法研究

    Institute of Scientific and Technical Information of China (English)

    王梅

    2012-01-01

    培养学生熟练地使用AutoCAD软件是一项重要的教学内容.结合在AutoCAD课程的教学实践,运用多种教学手段,创设合适的教学环境,激发学生对AutoCAD图形设计的兴趣,多方面结合进行AutoCAD教学.

  10. AutoCAD自动化控制器中执行AutoCAD命令

    Institute of Scientific and Technical Information of China (English)

    邬昌明

    2001-01-01

    由于AutoCAD自动化(Automation)没有提供执行AutoCAD命令的方法,因此在利用自动化接口对AutoCAD进行二次开发时,不能直接执行AutoCAD软件自身提供的各种命令,本文提出了一种解决此问题的办法。

  11. Variational Recurrent Auto-Encoders

    OpenAIRE

    Fabius, Otto; van Amersfoort, Joost R.

    2014-01-01

    In this paper we propose a model that combines the strengths of RNNs and SGVB: the Variational Recurrent Auto-Encoder (VRAE). Such a model can be used for efficient, large scale unsupervised learning on time series data, mapping the time series data to a latent vector representation. The model is generative, such that data can be generated from samples of the latent space. An important contribution of this work is that the model can make use of unlabeled data in order to facilitate supervised...

  12. 关于切换回归的集成模糊聚类算法 GFC%An Integrated Fuzzy Clustering Algorithm GFC for Switching Regressions

    Institute of Scientific and Technical Information of China (English)

    王士同; 江海峰; 陆宏钧

    2002-01-01

    已经有多个方法可用于解决切换回归问题.根据所提出的基于Newton引力定理的引力聚类算法GC,结合模糊聚类算法,进一步提出了新的集成模糊聚类算法 GFC.理论分析表明GFC 能收敛到局部最小.实验结果表明GFC在解决切换回归问题时,比标准模糊聚类算法更有效,特别在收敛速度方面.%In order to solve switching regression problems, many approaches have been investigated. In this paper, anintegrated fuzzy clustering algorithm GFC that combines gravity-based clustering algorithm GC with fuzzy clustering is presented. GC, as a new hard clustering algorithm presented here, is based on the well-known Newton's Gravity Law. The theoretic analysis shows that GFC can conve rge to a local minimum of the object function. Experimental results show that GFC for switching regression problems has better performance than standard fuzzy clustering algorithms, especially in terms of convergence speed.

  13. Regression analysis by example

    CERN Document Server

    Chatterjee, Samprit

    2012-01-01

    Praise for the Fourth Edition: ""This book is . . . an excellent source of examples for regression analysis. It has been and still is readily readable and understandable."" -Journal of the American Statistical Association Regression analysis is a conceptually simple method for investigating relationships among variables. Carrying out a successful application of regression analysis, however, requires a balance of theoretical results, empirical rules, and subjective judgment. Regression Analysis by Example, Fifth Edition has been expanded

  14. Design of Automatic Programming System of Numerical Control Based on AutoCAD%基于AutoCAD数控自动编程系统的设计*

    Institute of Scientific and Technical Information of China (English)

    高杰; 袁吉; 邵振威

    2013-01-01

    AutoCAD作为目前主流的绘图软件广泛应用于很多领域,其强大的功能为数控自动编程提供了基础。该系统的建立主要基于VBA与AutoCAD系统中ActiveX自动化对象模型两者之间的结合,从而对AutoCAD进行内部二次开发,即以ActiveX自动化对象模型为基础建立了前置处理模块;利用Access建立加工参数数据库系统和数据库检索系统,并建立了数控自动编程系统,使AutoCAD具备一定的CAM功能,达到改善现有数控车床自动编程环境的目的。%AutoCAD, as current mainstream graphics software, is widely used in many fields. Its powerful features provide basis for automatic programming of numerical control. The establishment of this system is mainly based on integration of be-tween ActiveX automation object model and VBA which belong to AutoCAD system. AutoCAD is made internal secondary development: establishing pre-processing module based on ActiveX automation object model; building processing parameter database systems and database retrieval system by using Access, and establishing NC automatic programming system, which make AutoCAD have some CAM functions and achieve objects of improving automatic programming environment of existing numerically controlled lathe.

  15. AutoCAD 2015 and AutoCAD LT 2015 bible

    CERN Document Server

    Finkelstein, Ellen

    2014-01-01

    The perfect reference for all AutoCAD users AutoCAD 2015 and AutoCAD LT 2015 Bible is the book you want to have close at hand to answer those day-to-day questions about this industry-leading software. Author and Autodesk University instructor Ellen Finkelstein guides readers through AutoCAD 2015 and AutoCAD LT 2015 with clear, easy-to-understand instruction and hands-on tutorials that allow even total beginners to create a design on their very first day. Although simple and fundamental enough to be used by those new to CAD, the book is so comprehensive that even Autodesk power u

  16. Regression for economics

    CERN Document Server

    Naghshpour, Shahdad

    2012-01-01

    Regression analysis is the most commonly used statistical method in the world. Although few would characterize this technique as simple, regression is in fact both simple and elegant. The complexity that many attribute to regression analysis is often a reflection of their lack of familiarity with the language of mathematics. But regression analysis can be understood even without a mastery of sophisticated mathematical concepts. This book provides the foundation and will help demystify regression analysis using examples from economics and with real data to show the applications of the method. T

  17. Retrospect of China International Auto Exhibition Tours

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    @@ "Fengfan Cup" the Frist China International Auto Exhibition Tour In 1995, the first session gathered 28 national motorcycles and autos from four big groups---China North Industries Group Corporation, China Aviation Industry Corporation, China Aerospace Science and Industry Cooperation and PLA General Logistics Department.

  18. Query auto completion in information retrieval

    NARCIS (Netherlands)

    Fei Cai

    2016-01-01

    Query auto completion is an important feature embedded into today's search engines. It can help users formulate queries which other people have searched for when he/she finishes typing the query prefix. Today's most sophisticated query auto completion approaches are based on the collected query logs

  19. An Auto ranging Data Converter Implementation in FPGA

    Directory of Open Access Journals (Sweden)

    Jithin Krishnan

    2013-06-01

    Full Text Available A novel project is being presented here for implementation an auto ranging analog to digital converter for biomedical applications completely inside an FPGA - i.e. an all-digital analog to digital (A/D converter system. The only analog part is the auto ranging circuitry and an RC Integrator outside FPGA. The system outputs 24 bits and features a sigma delta ADC of 16 bits resolution, a range detection unit with 7 bits and a sign bit for polarity detection. The analog part of the modulator is done utilizing the LVDS transceiver in the FPGA making it a real digital one. The digital section of sigma delta ADC containing the decimation filter banks is done in a cascaded filter structure form including a CIC decimation filter, droop compensation and half-band filters. The top level module was coded using VHDL and the simulation was carried out with ModelSim and MATLAB.

  20. AutoCAD 2008 and AutoCAD LT 2008 Bible

    CERN Document Server

    Finkelstein, Ellen

    2011-01-01

    "Whether you're new to AutoCAD or a veteran, you will undoubtedly find this book to be an excellent resource."-- Abhi Singh, AutoCAD Product Manager, Autodesk, Inc.Here's the book that makes AutoCAD approachableEven the people at Autodesk look to Ellen Finkelstein for AutoCAD training, so who better to teach you about AutoCAD 2008? This comprehensive guide brings veterans up to speed on AutoCAD updates and takes novices from the basics to programming in AutoLISP(r) and VBA. Every feature is covered in a logical order, and with the Quick Start chapter, you'll be creating drawings on your very f

  1. AutoPyFactory: A Scalable Flexible Pilot Factory Implementation

    Science.gov (United States)

    Caballero, J.; Hover, J.; Love, P.; Stewart, G. A.

    2012-12-01

    The ATLAS experiment at the CERN LHC is one of the largest users of grid computing infrastructure, which is a central part of the experiment's computing operations. Considerable efforts have been made to use grid technology in the most efficient and effective way, including the use of a pilot job based workload management framework. In this model the experiment submits ‘pilot’ jobs to sites without payload. When these jobs begin to run they contact a central service to pick-up a real payload to execute. The first generation of pilot factories were usually specific to a single Virtual Organization (VO), and were bound to the particular architecture of that VO's distributed processing. A second generation provides factories which are more flexible, not tied to any particular VO, and provide new and improved features such as monitoring, logging, profiling, etc. In this paper we describe this key part of the ATLAS pilot architecture, a second generation pilot factory, AutoPyFactory. AutoPyFactory has a modular design and is highly configurable. It is able to send different types of pilots to sites and exploit different submission mechanisms and queue characteristics. It is tightly integrated with the PanDA job submission framework, coupling pilot flow to the amount of work the site has to run. It gathers information from many sources in order to correctly configure itself for a site and its decision logic can easily be updated. Integrated into AutoPyFactory is a flexible system for delivering both generic and specific job wrappers which can perform many useful actions before starting to run end-user scientific applications, e.g., validation of the middleware, node profiling and diagnostics, and monitoring. AutoPyFactory also has a robust monitoring system that has been invaluable in establishing a reliable pilot factory service for ATLAS.

  2. AutoPyFactory: A Scalable Flexible Pilot Factory Implementation

    International Nuclear Information System (INIS)

    The ATLAS experiment at the CERN LHC is one of the largest users of grid computing infrastructure, which is a central part of the experiment's computing operations. Considerable efforts have been made to use grid technology in the most efficient and effective way, including the use of a pilot job based workload management framework. In this model the experiment submits ‘pilot’ jobs to sites without payload. When these jobs begin to run they contact a central service to pick-up a real payload to execute. The first generation of pilot factories were usually specific to a single Virtual Organization (VO), and were bound to the particular architecture of that VO's distributed processing. A second generation provides factories which are more flexible, not tied to any particular VO, and provide new and improved features such as monitoring, logging, profiling, etc. In this paper we describe this key part of the ATLAS pilot architecture, a second generation pilot factory, AutoPyFactory. AutoPyFactory has a modular design and is highly configurable. It is able to send different types of pilots to sites and exploit different submission mechanisms and queue characteristics. It is tightly integrated with the PanDA job submission framework, coupling pilot flow to the amount of work the site has to run. It gathers information from many sources in order to correctly configure itself for a site and its decision logic can easily be updated. Integrated into AutoPyFactory is a flexible system for delivering both generic and specific job wrappers which can perform many useful actions before starting to run end-user scientific applications, e.g., validation of the middleware, node profiling and diagnostics, and monitoring. AutoPyFactory also has a robust monitoring system that has been invaluable in establishing a reliable pilot factory service for ATLAS.

  3. Functional linear regression via canonical analysis

    CERN Document Server

    He, Guozhong; Wang, Jane-Ling; Yang, Wenjing; 10.3150/09-BEJ228

    2011-01-01

    We study regression models for the situation where both dependent and independent variables are square-integrable stochastic processes. Questions concerning the definition and existence of the corresponding functional linear regression models and some basic properties are explored for this situation. We derive a representation of the regression parameter function in terms of the canonical components of the processes involved. This representation establishes a connection between functional regression and functional canonical analysis and suggests alternative approaches for the implementation of functional linear regression analysis. A specific procedure for the estimation of the regression parameter function using canonical expansions is proposed and compared with an established functional principal component regression approach. As an example of an application, we present an analysis of mortality data for cohorts of medflies, obtained in experimental studies of aging and longevity.

  4. Recycling of auto shredder residue.

    Science.gov (United States)

    Nourreddine, Menad

    2007-01-31

    Currently, about 75% of end-of-life vehicle's (ELV) total weight is recycled in EU countries. The remaining 25%, which is called auto shredder residues (ASR) or auto fluff, is disposed of as landfill because of its complexity. It is a major challenge to reduce this percentage of obsolete cars. The European draft directive states that by the year 2006, only 15% of the vehicle's weight can be disposed of at landfill sites and by 2015, this will be reduced to 5%. The draft directive states that a further 10% can be incinerated. The quantities of shredder fluff are likely to increase in the coming years. This is because of the growing number of cars being scrapped, coupled with the increase in the amount of plastics used in cars. In Sweden, some current projects are focusing on recycling of ASR material. In this paper some different alternatives for using this material are reported. The hypothetical injection of ASR into a blast furnace concentrating on ASR's effect to some blast furnace (BF) parameters has been completed using a blast furnace mass balance model. As a result, in principle, ASR can be used as reducing agent in the BF process if certain conditions are met. The particle size of ASR material must be controlled to ensure optimal gasification of the material in the raceway. Regarding the chemical composition of ASR, the non-ferrous content can affect the pig iron quality, which is difficult to rectify at a later point. The most attractive recycling alternative is to use the products obtained from pyrolysis of ASR in appropriate metallurgical processes. PMID:16600493

  5. Nonparametric regression with martingale increment errors

    CERN Document Server

    Delattre, Sylvain

    2010-01-01

    We consider the problem of adaptive estimation of the regression function in a framework where we replace ergodicity assumptions (such as independence or mixing) by another structural assumption on the model. Namely, we propose adaptive upper bounds for kernel estimators with data-driven bandwidth (Lepski's selection rule) in a regression model where the noise is an increment of martingale. It includes, as very particular cases, the usual i.i.d. regression and auto-regressive models. The cornerstone tool for this study is a new result for self-normalized martingales, called ``stability'', which is of independent interest. In a first part, we only use the martingale increment structure of the noise. We give an adaptive upper bound using a random rate, that involves the occupation time near the estimation point. Thanks to this approach, the theoretical study of the statistical procedure is disconnected from usual ergodicity properties like mixing. Then, in a second part, we make a link with the usual minimax th...

  6. Fisher and Regression

    OpenAIRE

    Aldrich, John

    2005-01-01

    In 1922 R. A. Fisher introduced the modern regression model, synthesizing the regression theory of Pearson and Yule and the least squares theory of Gauss. The innovation was based on Fisher’s realization that the distribution associated with the regression coefficient was unaffected by the distribution of X. Subsequently Fisher interpreted the fixed X assumption in terms of his notion of ancillarity. This paper considers these developments against the background of the development of statisti...

  7. We Ran One Regression.

    OpenAIRE

    David F. Hendry; Krolzig, Hans Martin

    2004-01-01

    The controversy over the selection of "growth regressions" was precipitated by some remarkably numerous "estimation" strategies, including two million regressions by Sala-i-Martin [American Economic Review (1997b) Vol. 87, pp. 178-183]. Only one regression is really needed, namely the general unrestricted model, appropriately reduced to a parsimonious encompassing, congruent representation. We corroborate the findings of Hoover and Perez [Oxford Bulletin of Economics and Statistics (2004) Vol...

  8. Introduction to regression graphics

    CERN Document Server

    Cook, R Dennis

    2009-01-01

    Covers the use of dynamic and interactive computer graphics in linear regression analysis, focusing on analytical graphics. Features new techniques like plot rotation. The authors have composed their own regression code, using Xlisp-Stat language called R-code, which is a nearly complete system for linear regression analysis and can be utilized as the main computer program in a linear regression course. The accompanying disks, for both Macintosh and Windows computers, contain the R-code and Xlisp-Stat. An Instructor's Manual presenting detailed solutions to all the problems in the book is ava

  9. Applied linear regression

    CERN Document Server

    Weisberg, Sanford

    2005-01-01

    Master linear regression techniques with a new edition of a classic text Reviews of the Second Edition: ""I found it enjoyable reading and so full of interesting material that even the well-informed reader will probably find something new . . . a necessity for all of those who do linear regression."" -Technometrics, February 1987 ""Overall, I feel that the book is a valuable addition to the now considerable list of texts on applied linear regression. It should be a strong contender as the leading text for a first serious course in regression analysis."" -American Scientist, May-June 1987

  10. Unbiased Quasi-regression

    Institute of Scientific and Technical Information of China (English)

    Guijun YANG; Lu LIN; Runchu ZHANG

    2007-01-01

    Quasi-regression, motivated by the problems arising in the computer experiments, focuses mainly on speeding up evaluation. However, its theoretical properties are unexplored systemically. This paper shows that quasi-regression is unbiased, strong convergent and asymptotic normal for parameter estimations but it is biased for the fitting of curve. Furthermore, a new method called unbiased quasi-regression is proposed. In addition to retaining the above asymptotic behaviors of parameter estimations, unbiased quasi-regression is unbiased for the fitting of curve.

  11. A Correlation Analysis of Shanghai Manufacturing Service Industry and Auto Industry based on Multiple Linear Regression%基于多元线性回归的上海市生产性服务业和汽车产业发展的关联分析

    Institute of Scientific and Technical Information of China (English)

    张镓; 霍佳震; 胡军; 黄志明

    2012-01-01

    Producer service industry is Shanghai' s key industry in "12th Five-Year" period, in which is a critical period for Shanghai automotive industry, producer service industry development based on the automotive industry will contribute effectively to the two key industries in Shanghai. From the producer service industry and the automobile industry in Shanghai, based on the conceptual model of the relevance between the producer service industry and the automotive industry, applying multiple linear regression techniques, the paper does multiple linear regression of the producer service industry in Shanghai, the automobile industry and its external environmental factors, and explains their meanings.%生产性服务业是上海市“十二五”重点发展产业,“十二五”期间是上海市汽车产业的关键时期,发展基于汽车行业的生产性服务业将有效促进上海市两大关键产业的发展.从上海市生产性服务业和汽车产业发展的实践出发,基于生产性服务业和汽车行业的关联性概念模型,应用多元线性回归技术,通过对上海市生产性服务业、汽车产业及其外部环境因素的多元线性回归,论文研究了上海市生产性服务业、汽车产业和外部环境的数量关联及其含义.

  12. Ace Auto's After-sale Adds Advantages

    Institute of Scientific and Technical Information of China (English)

    Yan Manman

    2009-01-01

    @@ In the auto market,consumers often asked a question why the same car in the European and American market is cheaper than that in China.The key to this question lies in the difference of profit chains between European & American market and Chinese market.In the mature European or American market,the portion of profit from auto sales accounting for the total profit is comparatively small,and quite a large share of profit derives from the auto's after-sale service market.

  13. Generalizacija linija i AutoCAD Map

    OpenAIRE

    Vučetić, Nada; Lapaine, Miljenko

    2001-01-01

    The paper offers the results of original research made on the application of AutoCAD Map in line generalisation. The differences and similarities have been found out between the Douglas-Peucker method and the method of line simplification that is incorporated in AutoCAD Map. There have been also the inaccuracies found out in AutoCAD Map manual relating to the issues of buffer width and tolerance, and the line width before and after simplification. The paper gives recommendations about pseudo ...

  14. Line Generalization and AutoCAD Map

    OpenAIRE

    Nada Vučetić; Miljenko Lapaine

    2001-01-01

    The paper offers the results of original research made on the application of AutoCAD Map in line generalisation. The differences and similarities have been found out between the Douglas-Peucker method and the method of line simplification that is incorporated in AutoCAD Map. There have been also the inaccuracies found out in AutoCAD Map manual relating to the issues of buffer width and tolerance, and the line width before and after simplification. The paper gives recommendations about pseudo ...

  15. Flexible survival regression modelling

    DEFF Research Database (Denmark)

    Cortese, Giuliana; Scheike, Thomas H; Martinussen, Torben

    2009-01-01

    Regression analysis of survival data, and more generally event history data, is typically based on Cox's regression model. We here review some recent methodology, focusing on the limitations of Cox's regression model. The key limitation is that the model is not well suited to represent time......-varying effects. We start by considering classical and also more recent goodness-of-fit procedures for the Cox model that will reveal when the Cox model does not capture important aspects of the data, such as time-varying effects. We present recent regression models that are able to deal with and describe...... such time-varying effects. The introduced models are all applied to data on breast cancer from the Norwegian cancer registry, and these analyses clearly reveal the shortcomings of Cox's regression model and the need for other supplementary analyses with models such as those we present here....

  16. AutoCAD的应用小技巧

    Institute of Scientific and Technical Information of China (English)

    侯红松

    2011-01-01

    通过对AutoCAD多年的使用及总结,摸索出AutoCAD使用中的几点应用小技巧.本文主要介绍了AutoCAD中倒角及圆角的处理、AutoCAD表格制作、在Word文档中插入AutoCAD图形、AutoCAD图形的打印技巧及AutoCAD选择技巧六种应用技巧.

  17. AutoCAD 2014 review for certification official certification preparation

    CERN Document Server

    ASCENT center for technical knowledge

    2014-01-01

    The AutoCAD® 2014 Review for Certification book is intended for users of AutoCAD® preparing to complete the AutoCAD 2014 Certified Professional exam. This book contains a collection of relevant instructional topics, practice exercises, and review questions from the Autodesk Official Training Guides (AOTG) from ASCENT - Center for Technical Knowledge pertaining specifically to the Certified Professional exam topics and objectives. This book is intended for experienced users of AutoCAD in preparation for certification. New users of AutoCAD should refer to the AOTG training guides from ASCENT, such as AutoCAD/AutoCAD LT 2014 Fundamentals, for more comprehensive instruction.

  18. Auto Industry: Long Way to Go

    Institute of Scientific and Technical Information of China (English)

    Yu shujun

    2012-01-01

    When China joined the World Trade Organization in 2001,worries proliferated that the country's auto industry would receive a heavy blow.The concerns turned out to be unnecessary as the sector has been growing remarkably.

  19. Development of ATSR (Auto Thermal Steam Reformer)

    International Nuclear Information System (INIS)

    'Full text:' Auto-thermal reformers are used popularly for fuel cell vehicle because they are compact and can start up quickly. On the other hand, steam reformers are used for stationary fuel cell power plant because they are good thermal efficiency. While, there are many cases using the auto- thermal reformer for stationary use with expectation of cost reduction in USA, as well. However, they are still insufficient for its durability, compactness and cost. We have been developing the new type of fuel processing system that is auto-thermal steam reformer (ATSR), which is hybrid of a conventional steam reformer (STR) and a conventional auto-thermal reformer (ATR). In this study, some proto-type of ATSR for field test were designed, tried manufacturing and tested performance and durability. And we have tried to operate with fuel cell stack to evaluate the system interface performance, that is, operability and controllability. (author)

  20. Range-Based Auto-Focus Project

    Data.gov (United States)

    National Aeronautics and Space Administration — Maracel Systems and Software Technologies, LLC proposes a revolutionary Range-Based Auto Focus (RBAF) system that will combine externally input range, such as might...

  1. AutoCAD 2013 and AutoCAD LT 2013 bible

    CERN Document Server

    Finkelstein, Ellen

    2012-01-01

    The bestselling guide to AutoCAD, fully updated for the 2013 version AutoCAD, the number one architectural drawing software, can be challenging to learn. This comprehensive guide has sold more than 160,000 copies in previous editions and is the go-to resource for architects, engineers, drafters, interior designers, and space planners who need to learn and use AutoCAD and AutoCAD LT. From the basics of creating drawings and using commands to 2D and 3D drawing techniques, using layers, rendering, and customizing the program, this book covers it all. A Quick Start guide allows eve

  2. AutoMap & AutoLink: Tools for Communicating Complex & DynamicData-Structures using MPI

    OpenAIRE

    Goujon, Delphine; Michel, Martial; Peeters, Jasper; Devaney, Judith Ellen

    1998-01-01

    This article describes two software tools, AutoMap and AutoLink, that facilitate the use of data-structures in MPI. AutoMap is a program that parses a file of user-defined data-structures and generates new MPI types out of basic and previously defined MPI data-types. Our software tool automatically handles specialized error checking related to memory mapping. AutoLink is an MPI library that allows the transfert of complex, dynimacally linked, and possibly heterogeneous structures through MPI....

  3. AutoCAD样板的制作

    Institute of Scientific and Technical Information of China (English)

    汪银华

    2013-01-01

    对于长期从事机械图样绘图、出图的工程技术人员来讲,能制作一些合适、实用的AutoCAD样板,非常重要.制作AutoCAD样板,首先要根据实际情况设计好标题栏,再就是做好的样板要保存在正确的位置.

  4. NDRC Issued Opinions to Regulate Auto Industry

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ In view of the surplus of China's auto in dustry production capacity, and the situation may get intensified, the National Development and Reform Commission(NDRC) recently issued the implementation opinions for auto industry to deal with the surplus of production capacity, and expedite the structural adjustment based on the relevant dispose of the State Council's notice about expediting the structural adjustment of the industries with surplus production capacity.

  5. Computing Mass Properties From AutoCAD

    Science.gov (United States)

    Jones, A.

    1990-01-01

    Mass properties of structures computed from data in drawings. AutoCAD to Mass Properties (ACTOMP) computer program developed to facilitate quick calculations of mass properties of structures containing many simple elements in such complex configurations as trusses or sheet-metal containers. Mathematically modeled in AutoCAD or compatible computer-aided design (CAD) system in minutes by use of three-dimensional elements. Written in Microsoft Quick-Basic (Version 2.0).

  6. PLC Based Hydraulic Auto Ladle System

    OpenAIRE

    Amogh Tayade; Anuja Chitre

    2014-01-01

    In this paper we have implemented a PLC based Hydraulic Auto Ladle System for Casting Department of Victory Precisions Pvt. Ltd. Chakan, Pune. This project work presents the study and design of PLC based Hydraulic Auto Ladle System. Aluminium pouring is the key process in Casting and Forging industry. Different products are manufactured by the company for automobile sector using aluminium. Programmable Logic Controller (PLC) is used for the automation of pouring process. Au...

  7. AutoCAD-To-NASTRAN Translator Program

    Science.gov (United States)

    Jones, A.

    1989-01-01

    Program facilitates creation of finite-element mathematical models from geometric entities. AutoCAD to NASTRAN translator (ACTON) computer program developed to facilitate quick generation of small finite-element mathematical models for use with NASTRAN finite-element modeling program. Reads geometric data of drawing from Data Exchange File (DXF) used in AutoCAD and other PC-based drafting programs. Written in Microsoft Quick-Basic (Version 2.0).

  8. Auto-associative nanoelectronic neural network

    Energy Technology Data Exchange (ETDEWEB)

    Nogueira, C. P. S. M.; Guimarães, J. G. [Departamento de Engenharia Elétrica - Laboratório de Dispositivos e Circuito Integrado, Universidade de Brasília, CP 4386, CEP 70904-970 Brasília DF (Brazil)

    2014-05-15

    In this paper, an auto-associative neural network using single-electron tunneling (SET) devices is proposed and simulated at low temperature. The nanoelectronic auto-associative network is able to converge to a stable state, previously stored during training. The recognition of the pattern involves decreasing the energy of the input state until it achieves a point of local minimum energy, which corresponds to one of the stored patterns.

  9. Applied logistic regression

    CERN Document Server

    Hosmer, David W; Sturdivant, Rodney X

    2013-01-01

     A new edition of the definitive guide to logistic regression modeling for health science and other applications This thoroughly expanded Third Edition provides an easily accessible introduction to the logistic regression (LR) model and highlights the power of this model by examining the relationship between a dichotomous outcome and a set of covariables. Applied Logistic Regression, Third Edition emphasizes applications in the health sciences and handpicks topics that best suit the use of modern statistical software. The book provides readers with state-of-

  10. Applied linear regression

    CERN Document Server

    Weisberg, Sanford

    2013-01-01

    Praise for the Third Edition ""...this is an excellent book which could easily be used as a course text...""-International Statistical Institute The Fourth Edition of Applied Linear Regression provides a thorough update of the basic theory and methodology of linear regression modeling. Demonstrating the practical applications of linear regression analysis techniques, the Fourth Edition uses interesting, real-world exercises and examples. Stressing central concepts such as model building, understanding parameters, assessing fit and reliability, and drawing conclusions, the new edition illus

  11. A New, Improved Hybrid Scoring Function for Molecular Docking and Scoring Based on AutoDock and AutoDock Vina.

    Science.gov (United States)

    Tanchuk, Vsevolod Yu; Tanin, Volodymyr O; Vovk, Andriy I; Poda, Gennady

    2016-04-01

    Automated docking is one of the most important tools for structure-based drug design that allows prediction of ligand binding poses and also provides an estimate of how well small molecules fit in the binding site of a protein. A new scoring function based on AutoDock and AutoDock Vina has been introduced. The new hybrid scoring function is a linear combination of the two scoring function components derived from a multiple linear regression fitting procedure. The scoring function was built on a training set of 2412 protein-ligand complexes from pdbbind database (www.pdbbind.org.cn, version 2012). A test set of 313 complexes that appeared in the 2013 version was used for validation purposes. The new hybrid scoring function performed better than the original functions, both on training and test sets of protein-ligand complexes, as measured by the non-parametric Pearson correlation coefficient, R, mean absolute error (MAE), and root-mean-square error (RMSE) between the experimental binding affinities and the docking scores. The function also gave one of the best results among more than 20 scoring functions tested on the core set of the pdbbind database. The new AutoDock hybrid scoring function will be implemented in modified version of AutoDock.

  12. RFID and Auto-ID in planning and logistics

    CERN Document Server

    Jones, Erick C

    2011-01-01

    As RFID technology is becoming increasingly popular, the need has arisen to address the challenges and approaches to successful implementation. RFID and Auto-ID in Planning and Logistics: A Practical Guide for Military UID Applications presents the concepts for students, military personnel and contractors, and corporate managers to learn about RFID and other automatic information capture technologies, and their integration into planning and logistics functions. The text includes comparisons of RFID with technologies such as bar codes, satellite tags, and global positioning systems and provides

  13. George: Gaussian Process regression

    Science.gov (United States)

    Foreman-Mackey, Daniel

    2015-11-01

    George is a fast and flexible library, implemented in C++ with Python bindings, for Gaussian Process regression useful for accounting for correlated noise in astronomical datasets, including those for transiting exoplanet discovery and characterization and stellar population modeling.

  14. On best subset regression

    OpenAIRE

    Xiong, Shifeng

    2011-01-01

    In this paper we discuss the variable selection method from \\ell0-norm constrained regression, which is equivalent to the problem of finding the best subset of a fixed size. Our study focuses on two aspects, consistency and computation. We prove that the sparse estimator from such a method can retain all of the important variables asymptotically for even exponentially growing dimensionality under regularity conditions. This indicates that the best subset regression method can efficiently shri...

  15. Sparse Multivariate Factor Regression

    OpenAIRE

    Kharratzadeh, Milad; Coates, Mark

    2015-01-01

    We consider the problem of multivariate regression in a setting where the relevant predictors could be shared among different responses. We propose an algorithm which decomposes the coefficient matrix into the product of a long matrix and a wide matrix, with an elastic net penalty on the former and an $\\ell_1$ penalty on the latter. The first matrix linearly transforms the predictors to a set of latent factors, and the second one regresses the responses on these factors. Our algorithm simulta...

  16. “教、学、做”一体化教学在《汽车电器设备维修》课程中的应用%The Application of Integrated Pedagogical Model-Teaching, Learning and Doing in Class of Maintenance and Repair of Auto Electrical Device

    Institute of Scientific and Technical Information of China (English)

    邱翠榕

    2012-01-01

    To tackle the separation between theory and practice existing in the class of maintenance and repair ot auto electrical device, the paper proposes taking the competence-based education principle as guide, identifying the need of job market and developing a comprehensive modular-based course which integrates teaching, learning and do- ing. The experiment shows that with the integrated pedagogical model, students can quickly acquire the relevant knowl- edge and skills.%针对当前汽车检测与维修技术专业课程教学中的理论与实践分离问题,结合现代职业教育体系以能力为本位的培养思路,开发出紧贴汽车行业人才需求变化的汽车机电维修的汽车电器综合化模块课程,采用教学做一体化教学方法,通过实践,效果显著,学生能较快掌握相关知识和技能操作。

  17. AutoCAD 2012 and AutoCAD LT 2012 Bible

    CERN Document Server

    Finkelstein, Ellen

    2011-01-01

    The latest version of this perennial favorite, in-depth, reference-tutorial This top-selling book has been updated by AutoCAD guru and author Ellen Finkelstein to provide you with the very latest coverage of both AutoCAD 2012 and AutoCAD LT 2012. It begins with a Quick Start tutorial, so you start creating right away. From there, the book covers so much in-depth material on AutoCAD that it is said that even Autodesk employees keep this comprehensive book at their desks. A DVD is included that features before-and-after drawings of all the tutorials and plenty of great examples from AutoCAD prof

  18. Internationalization of the auto industry in the conditions of national economies growth

    Directory of Open Access Journals (Sweden)

    Tetiana Laduba

    2010-12-01

    Full Text Available In the article were studied the strategies, models and forms of the auto industry internationalization in the conditions of integration processes development and growth of the national economies transparency level. The authors determined the factors and grounded the criteria of effective strategies implementation of automobile companies of the USA, Japan, the EU and China.

  19. [Understanding logistic regression].

    Science.gov (United States)

    El Sanharawi, M; Naudet, F

    2013-10-01

    Logistic regression is one of the most common multivariate analysis models utilized in epidemiology. It allows the measurement of the association between the occurrence of an event (qualitative dependent variable) and factors susceptible to influence it (explicative variables). The choice of explicative variables that should be included in the logistic regression model is based on prior knowledge of the disease physiopathology and the statistical association between the variable and the event, as measured by the odds ratio. The main steps for the procedure, the conditions of application, and the essential tools for its interpretation are discussed concisely. We also discuss the importance of the choice of variables that must be included and retained in the regression model in order to avoid the omission of important confounding factors. Finally, by way of illustration, we provide an example from the literature, which should help the reader test his or her knowledge.

  20. Using AutoCAD to improve the visibility of the organizational technological design

    Directory of Open Access Journals (Sweden)

    Lebedeva Irina Mikhailovna

    2014-01-01

    Full Text Available The article describes the issue of increasing the visibility of technological solutions in organizational-technological design. The ability to visualize the main stages of building process technology contributes to organic integration of all the requirements. A special role for the harmonious perception is played by correct display of the lighting facilities, shadowing. Realistic shadows help to analyze the rooms’ insolation of the designed facility and the surrounding areas. We give a justification for the use of AutoCAD in order to automate the process of visualizing the results of organizational-technological design. The author describes the methods of obtaining realistic natural lighting in AutoCAD without significantly increasing the complexity of the process. Engineering companies in 46 % of cases use the software AutoCAD in order to create construction plans. AutoCAD has a variety of possibilities and is constantly evolving. Continuation is one of the benefits of this program. AutoCAD is unique in terms of customization, because, apart from instruction languages, it has two built-in programming languages: AutoLISP and VisualBasic. Because of these specific features AutoCAD allows to create any applications related to graphics implementation. Constant monitoring of lightning changes allows finding the appropriate in terms of aesthetics, ergonomics and insolation decisions on planning and associating a building or structure to the environment. Solar lighting is simulated by a combination of several directional lightning point sources. The author offers a brief description of the program algorithm, which allows automatically managing lighting settings and creating a file with a realistic visualization of the design solutions.

  1. Minimax Regression Quantiles

    DEFF Research Database (Denmark)

    Bache, Stefan Holst

    A new and alternative quantile regression estimator is developed and it is shown that the estimator is root n-consistent and asymptotically normal. The estimator is based on a minimax ‘deviance function’ and has asymptotically equivalent properties to the usual quantile regression estimator. It is......, however, a different and therefore new estimator. It allows for both linear- and nonlinear model specifications. A simple algorithm for computing the estimates is proposed. It seems to work quite well in practice but whether it has theoretical justification is still an open question....

  2. AutoCAD platform customization user interface and beyond

    CERN Document Server

    Ambrosius, Lee

    2014-01-01

    Make AutoCAD your own with powerful personalization options Options for AutoCAD customization are typically the domain of administrators, but savvy users can perform their own customizations to personalize AutoCAD. Until recently, most users never thought to customize the AutoCAD platform to meet their specific needs, instead leaving it to administrators. If you are an AutoCAD user who wants to ramp up personalization options in your favorite software, AutoCAD Platform Customization: User Interface and Beyond is the perfect resource for you. Author Lee Ambrosius is recognized as a leader in Au

  3. Integrated evaluation of sand liqufaction based on generalized regression neural network%基于广义回归神经网络的砂土液化综合判别方法

    Institute of Scientific and Technical Information of China (English)

    范付松; 胡新丽; 李长冬; 朱志明

    2012-01-01

    This paper adopts standard method and Seed method separately to make liquefaction evaluation about saturated sands, based on large drill data in Xiamen. Then, using generalized regression neural network, taking the data that show different evaluated results as training samples and also test samples, we carry out the second evaluation of the remained drill data. The results show that the generalized regression neural network presents a good function and a high forecast precision. In addition, this integrated evaluation method can improve the precision of sand liquefaction of saturated sands, and provide reference for the research in sand liquefaction evaluation in other places.%基于厦门地区大量钻孔试验数据,分别采用规范法和Seed法对该区饱和砂土进行液化判别.然后选取二者判别结果相同的数据作为训练和测试样本,运用广义回归神经网络,对二者判别结果分歧的钻孔数据进行二次判别.结果表明:广义回归神经网络性能良好,预测准确度高.此外,这种综合判别方法也提高了饱和砂土液化判别的准确度,并为其他地区饱和砂土的液化判别研究提供借鉴和参考.

  4. Human neutrophils in auto-immunity.

    Science.gov (United States)

    Thieblemont, Nathalie; Wright, Helen L; Edwards, Steven W; Witko-Sarsat, Véronique

    2016-04-01

    Human neutrophils have great capacity to cause tissue damage in inflammatory diseases via their inappropriate activation to release reactive oxygen species (ROS), proteases and other tissue-damaging molecules. Furthermore, activated neutrophils can release a wide variety of cytokines and chemokines that can regulate almost every element of the immune system. In addition to these important immuno-regulatory processes, activated neutrophils can also release, expose or generate neoepitopes that have the potential to break immune tolerance and result in the generation of autoantibodies, that characterise a number of human auto-immune diseases. For example, in vasculitis, anti-neutrophil cytoplasmic antibodies (ANCA) that are directed against proteinase 3 or myeloperoxidase are neutrophil-derived autoantigens and activated neutrophils are the main effector cells of vascular damage. In other auto-immune diseases, these neutrophil-derived neoepitopes may arise from a number of processes that include release of granule enzymes and ROS, changes in the properties of components of their plasma membrane as a result of activation or apoptosis, and via the release of Neutrophil Extracellular Traps (NETs). NETs are extracellular structures that contain chromatin that is decorated with granule enzymes (including citrullinated proteins) that can act as neo-epitopes to generate auto-immunity. This review therefore describes the processes that can result in neutrophil-mediated auto-immunity, and the role of neutrophils in the molecular pathologies of auto-immune diseases such as vasculitis, rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). We discuss the potential role of NETs in these processes and some of the debate in the literature regarding the role of this phenomenon in microbial killing, cell death and auto-immunity. PMID:27036091

  5. 高职《汽车美容服务》工学结合项目的研究与实践%Research and Practice on the Work-Integrated Learning Project of Auto Beauty Services in Higher Vocational College

    Institute of Scientific and Technical Information of China (English)

    林少芳

    2014-01-01

    Along with the deepening of the talent training reform of work-integrated learning project in higher vocational colleges, how to establish a relatively stable and effective cooperation between colleges and enterprises, and how to realize the real combination between "working" and "learning" became a problem for current higher vocational colleges. Based on the implementation of practical projects of Auto Beauty Services, this thesis puts forward a work-integrated learning mode. According to this new type of work-integrated learning practice mode, a close contact between teaching and practice in higher vocational colleges is formed, and the reform of professional personnel training mode and the curriculum system reconstruction is substantially promoted.%随着高职院校的工学结合人才培养改革的不断深入,校企之间如何建立相对稳定的、有效的合作关系,实现“工”、“学”真正结合是当前高职院校面临的一个问题,本文通过工学结合实践项目《汽车美容服务》的实施,提出四双五合工学结合模式,在这种新型工学结合实践模式下,实现高职教学与实践紧密接触,实质性地推进专业人才培养模式改革、课程体系重构。

  6. AutoCAD Civil 3D - Survey

    OpenAIRE

    Luketić, Antonio; Padovan, Ivan

    2011-01-01

    AutoCAD Civil 3D je vrlo kompleksan i napredan program za geodeziju i građevinarstvo. Survey izbornik predstavlja mali dio tog softvera. U programu je sadržana mogućnost kreiranja vlastitih kodova kao i naredbi kojima možemo ubrzati vizualizaciju izmjerenih objekata. Njegovim korištenjem se znatno skraćuje vrijeme obrade podataka. Članak je napisan na temelju jednostavnog, ali korisnog primjera kojime smo željeli upoznati čitatelje s prilično nepoznatom aplikacijom koju nudi AutoCAD Civil 3D....

  7. Auto-communicating micro-orientalism

    DEFF Research Database (Denmark)

    Ren, Carina Bregnholm; Ooi, Can-Seng

    2013-01-01

    Using the concepts of auto-communication and micro-Orientalism, this article argues that nation branding at World Expos produces and propagates notions of difference and Otherness. We examine how Denmark presents itself in China, and how the message inevitably tells how the Danish authorities view...... exhibition is performed and regulated as sustainable and authentic and how in spite of its seemingly dialogical and interactive layout, a number of auto-communicative and micro-Orientalist practices are enacted. This study is based on field participation, observations and interviews. Public sources...

  8. Design and Field Implementation of Auto Tuned Virtual Instrumentation Corrosion Controller

    Science.gov (United States)

    Gopalakrishnan, J.; Agnihotri, Ganga; Deshpande, D. M.

    2016-06-01

    Corrosion in underground metallic pipeline leads to leakage which is hazardous when oil/natural gas is transported. Rate of corrosion in metal pipeline can be controlled by impressing dc current to the gas pipeline and thereby making metal pipeline to act as cathode of corrosion cell. Proportional integral controllers are used in impressed current cathodic protection application; tuning of proportional and integral constants of these controllers requires expertise. Step open, step close and relay tuning methods are compared; relay tuning provided better results for cathodic protection application. Ziegler-Nichols tuning formulas are used to select tuning parameters based on loop response. Virtual instrumentation is used for design, development, testing and field implementation of auto tuned PI controller. Proposed auto tuned proportional integral impressed current cathodic protection controller precisely controls corrosion in pipeline by selecting optimum proportional and integral constants. Controller effectiveness is cross verified using electrical resistance probe.

  9. AutoCAD 2012 and AutoCAD LT 2012 No Experience Required

    CERN Document Server

    Gladfelter, Donnie

    2011-01-01

    The perfect step-by-step introduction to Autodesk's powerful architectural design software With this essential guide, you'll learn how to plan, develop, document, and present a complete AutoCAD project by building a summer cabin from start to finish. You can follow each step sequentially or jump in at any point by downloading the drawing files from the book's companion web site. You'll also master all essential AutoCAD features, get a thorough grounding in the basics, learn the very latest industry standards and techniques, and quickly become productive with AutoCAD 2012.Features concise expla

  10. AutoCAD 2015 and AutoCAD LT 2015 essentials

    CERN Document Server

    Onstott, Scott

    2014-01-01

    Step-by-step instructions for the AutoCAD fundamentals AutoCAD 2015 Essentials contains 400 pages of full-color, comprehensive instruction on the world's top drafting and architecture software. This 2015 edition features architectural, manufacturing, and landscape architecture examples. And like previous editions, the detailed guide introduces core concepts using interactive tutorials and open-ended projects, which can be completed in any order, thanks to downloadable data sets (an especially useful feature for students and professionals studying for Autodesk AutoCAD certification). Unlike man

  11. Transparency and the logic of auto-immunity

    Directory of Open Access Journals (Sweden)

    Emanuele Antonelli

    2011-12-01

    Full Text Available In Voyous, Jacques Derrida develops his argument starting from the presupposition that democracy as such is the entity whose integrity and immunity are at stake and, therefore, under investigation. This gesture reflects the setting in which ten years before, in Foi et savoir, he had cast his reasoning about the logic of immunity. There, it was one of the sources of religion, the immunity of the sacred, that operated according to this logic. The hyphen between these two essays, beside Derrida’s own crossed references, is the genealogical reasoning on the meaning and essence of the concept of democracy: contrary to what Derrida claims, it will be maintained that Athenian democracy had a clear immune matrix, whose constant exercise is clearly defined, in spite of himself, by Vernant, and it will be shown how modern democracy has been forced to change policy. Modern democracy is an entity characterized by an immune deficiency. In order to save Derrida’s intuition from both the collapse of different vantage points and from a quite bizarre reticence in taking into account of the immune value of rituals, our starting point will be René Girard’s œuvre and his reading of the role of immune logic in sacred systems and, more generally, in modernity. The threshold between the auto-immune reaction, immune deficiency and auto-immune disease, between the sacrifice who delimits and constitutes the self and the holocauste du peuple en détail, is the space where, constantly exposed to the risk of auto-denial, democracy lives. 

  12. Low rank Multivariate regression

    CERN Document Server

    Giraud, Christophe

    2010-01-01

    We consider in this paper the multivariate regression problem, when the target regression matrix $A$ is close to a low rank matrix. Our primary interest in on the practical case where the variance of the noise is unknown. Our main contribution is to propose in this setting a criterion to select among a family of low rank estimators and prove a non-asymptotic oracle inequality for the resulting estimator. We also investigate the easier case where the variance of the noise is known and outline that the penalties appearing in our criterions are minimal (in some sense). These penalties involve the expected value of the Ky-Fan quasi-norm of some random matrices. These quantities can be evaluated easily in practice and upper-bounds can be derived from recent results in random matrix theory.

  13. AutoCAD教学方法研究

    Institute of Scientific and Technical Information of China (English)

    王梅

    2012-01-01

    培养学生熟练地使用AutoCAD软件是一项重要的教学内容。结合在AutoCAD课程的教学实践,运用多种教学手段,创设合适的教学环境,激发学生对AutoCAD图形设计的兴趣,多方面结合进行AutoCAD教学。

  14. 浅谈工程软件AutoCAD

    Institute of Scientific and Technical Information of China (English)

    庄文强

    2015-01-01

    熟悉 AutoCAD 制图软件的基本操作,了解工程制图绘制的格式和基本要求,加强应用 AutoCAD 绘制二维工程图纸的能力,运用AutoCAD到实际工程项目中,让AutoCAD惠及更多的人。

  15. China FAW Participates in The China Auto International (Syria) Tour

    Institute of Scientific and Technical Information of China (English)

    Wu Yan; Che Qiang

    2006-01-01

    @@ At the beginning of the new year,a new message was released from the Organization Committee of China Auto International Tour - China FAW Group Corporation and China League of Machinery Industry will jointly sponsor the 4nd China Auto International(Syria) Tour. This is the first time that the giant state-owned auto enterprise participates in the sponsor of international auto exhibition.

  16. China FAW Participates in The China Auto International (Syria) Tour

    Institute of Scientific and Technical Information of China (English)

    Wu; Yan; Che; Qiang

    2006-01-01

      At the beginning of the new year,a new message was released from the Organization Committee of China Auto International Tour - China FAW Group Corporation and China League of Machinery Industry will jointly sponsor the 4nd China Auto International(Syria) Tour. This is the first time that the giant state-owned auto enterprise participates in the sponsor of international auto exhibition.……

  17. Scoring and Classifying with Gated Auto-encoders

    OpenAIRE

    Im, Daniel Jiwoong; Taylor, Graham W.

    2014-01-01

    Auto-encoders are perhaps the best-known non-probabilistic methods for representation learning. They are conceptually simple and easy to train. Recent theoretical work has shed light on their ability to capture manifold structure, and drawn connections to density modelling. This has motivated researchers to seek ways of auto-encoder scoring, which has furthered their use in classification. Gated auto-encoders (GAEs) are an interesting and flexible extension of auto-encoders which can learn tr...

  18. PENERAPAN METODE VECTOR AUTO REGRESSION DALAM INTERAKSI KEBIJAKAN FISKAL DAN MONETER DI INDONESIA

    Directory of Open Access Journals (Sweden)

    Adrian Sutawijaya

    2013-06-01

    Full Text Available The purpose of this study is to analyze the interaction of fiscal and monetary policy in Indonesia, especially after the introduction of fiscal and monetary policy shocks. The research method used is the vector autoregression (VAR. VAR is usually used for projecting coherent system variables and time to analyze the dynamic impact of disturbance factors contained in the system variables. Variables used in this study is the level of interest rates as a proxy for monetary policy instruments, government expenditures as a proxy for fiscal policy, inflation rates and national income. The results show that fiscal policy is a negative shock to inflation and responded with a tight monetary policy, while the shock in monetary policy will reduce national income. The application of fiscal and monetary policies that will effectively promote economic growth.

  19. Auto Regressive Moving Average (ARMA) Modeling Method for Gyro Random Noise Using a Robust Kalman Filter.

    Science.gov (United States)

    Huang, Lei

    2015-09-30

    To solve the problem in which the conventional ARMA modeling methods for gyro random noise require a large number of samples and converge slowly, an ARMA modeling method using a robust Kalman filtering is developed. The ARMA model parameters are employed as state arguments. Unknown time-varying estimators of observation noise are used to achieve the estimated mean and variance of the observation noise. Using the robust Kalman filtering, the ARMA model parameters are estimated accurately. The developed ARMA modeling method has the advantages of a rapid convergence and high accuracy. Thus, the required sample size is reduced. It can be applied to modeling applications for gyro random noise in which a fast and accurate ARMA modeling method is required.

  20. A Dynamic AutoRegressive Expectile for Time-Invariant Portfolio Protection Strategies

    OpenAIRE

    Hamidi, Benjamin; Maillet, Bertrand; Jean-luc PRIGENT

    2014-01-01

    "Constant proportion portfolio insurance" (CPPI) is nowadays one of the most popular techniques for portfolio insurance strategies. It simply consists of reallocating the risky part of a portfolio with respect to market conditions, via a leverage parameter - called the multiple - guaranteeing a predetermined floor. We propose to introduce a conditional time-varying multiple as an alternative to the standard unconditional CPPI method, directly linked to actual risk management problematics. Thi...

  1. An application of Auto-regressive (AR model in predicting Aeroelastic Effectsof Lekki Cable Stayed Bridge

    Directory of Open Access Journals (Sweden)

    Hassan Abba Musa

    2016-06-01

    Full Text Available In current practice, the predictive analysis of stochastic problems encompasses a variety of statistical techniques from modeling, machine, and data mining that analyse current and historical facts to make predictions about future. Therefore, this research uses an AR Model whose codes are incorporated in the MATLAB software to predict possible aero-elastic effects of Lekki Bridge based on its existing parametric data and the conditions around the bridge. It was seen that, the fluctuating components of the wind velocity as displayed by the fluctuant curve will result in the vibration of the structure, even strengthening the resonance effect of the structure. Therefore, it suggested that, the natural frequency of the bridge should be set aside far from system frequency considering direct parametric excitation of pedestrian or vehicular traffic speed.

  2. Auto Regressive Moving Average (ARMA) Modeling Method for Gyro Random Noise Using a Robust Kalman Filter.

    Science.gov (United States)

    Huang, Lei

    2015-01-01

    To solve the problem in which the conventional ARMA modeling methods for gyro random noise require a large number of samples and converge slowly, an ARMA modeling method using a robust Kalman filtering is developed. The ARMA model parameters are employed as state arguments. Unknown time-varying estimators of observation noise are used to achieve the estimated mean and variance of the observation noise. Using the robust Kalman filtering, the ARMA model parameters are estimated accurately. The developed ARMA modeling method has the advantages of a rapid convergence and high accuracy. Thus, the required sample size is reduced. It can be applied to modeling applications for gyro random noise in which a fast and accurate ARMA modeling method is required. PMID:26437409

  3. Oil Price Volatility and Economic Growth in Nigeria: a Vector Auto-Regression (VAR Approach

    Directory of Open Access Journals (Sweden)

    Edesiri Godsday Okoro

    2014-02-01

    Full Text Available The study examined oil price volatility and economic growth in Nigeria linking oil price volatility, crude oil prices, oil revenue and Gross Domestic Product. Using quarterly data sourced from the Central Bank of Nigeria (CBN Statistical Bulletin and World Bank Indicators (various issues spanning 1980-2010, a non‐linear model of oil price volatility and economic growth was estimated using the VAR technique. The study revealed that oil price volatility has significantly influenced the level of economic growth in Nigeria although; the result additionally indicated a negative relationship between the oil price volatility and the level of economic growth. Furthermore, the result also showed that the Nigerian economy survived on crude oil, to such extent that the country‘s budget is tied to particular price of crude oil. This is not a good sign for a developing economy, more so that the country relies almost entirely on revenue of the oil sector as a source of foreign exchange earnings. This therefore portends some dangers for the economic survival of Nigeria. It was recommended amongst others that there should be a strong need for policy makers to focus on policy that will strengthen/stabilize the economy with specific focus on alternative sources of government revenue. Finally, there should be reduction in monetization of crude oil receipts (fiscal discipline, aggressive saving of proceeds from oil booms in future in order to withstand vicissitudes of oil price volatility in future.

  4. An application of Auto-regressive (AR) model in predicting Aeroelastic Effectsof Lekki Cable Stayed Bridge

    OpenAIRE

    Hassan Abba Musa; Dr. A. Mohammed

    2016-01-01

    In current practice, the predictive analysis of stochastic problems encompasses a variety of statistical techniques from modeling, machine, and data mining that analyse current and historical facts to make predictions about future. Therefore, this research uses an AR Model whose codes are incorporated in the MATLAB software to predict possible aero-elastic effects of Lekki Bridge based on its existing parametric data and the conditions around the bridge. It was seen that, the fluc...

  5. ON INTERVAL ESTIMATING REGRESSION

    Directory of Open Access Journals (Sweden)

    Marcin Michalak

    2014-06-01

    Full Text Available This paper presents a new look on the well-known nonparametric regression estimator – the Nadaraya-Watson kernel estimator. Though it was invented 50 years ago it still being applied in many fields. After these yearsfoundations of uncertainty theory – interval analysis – are joined with this estimator. The paper presents the background of Nadaraya-Watson kernel estimator together with the basis of interval analysis and shows the interval Nadaraya-Watson kernel estimator.

  6. Sparse Bilinear Logistic Regression

    OpenAIRE

    Shi, Jianing V.; Xu, Yangyang; Baraniuk, Richard G.

    2014-01-01

    In this paper, we introduce the concept of sparse bilinear logistic regression for decision problems involving explanatory variables that are two-dimensional matrices. Such problems are common in computer vision, brain-computer interfaces, style/content factorization, and parallel factor analysis. The underlying optimization problem is bi-convex; we study its solution and develop an efficient algorithm based on block coordinate descent. We provide a theoretical guarantee for global convergenc...

  7. TWO REGRESSION CREDIBILITY MODELS

    Directory of Open Access Journals (Sweden)

    Constanţa-Nicoleta BODEA

    2010-03-01

    Full Text Available In this communication we will discuss two regression credibility models from Non – Life Insurance Mathematics that can be solved by means of matrix theory. In the first regression credibility model, starting from a well-known representation formula of the inverse for a special class of matrices a risk premium will be calculated for a contract with risk parameter θ. In the next regression credibility model, we will obtain a credibility solution in the form of a linear combination of the individual estimate (based on the data of a particular state and the collective estimate (based on aggregate USA data. To illustrate the solution with the properties mentioned above, we shall need the well-known representation theorem for a special class of matrices, the properties of the trace for a square matrix, the scalar product of two vectors, the norm with respect to a positive definite matrix given in advance and the complicated mathematical properties of conditional expectations and of conditional covariances.

  8. Auto Industry:The Wolf at the Door

    Institute of Scientific and Technical Information of China (English)

    GUANPENG

    2004-01-01

    Since China's accession into the WTO at the end of 2001, global auto giants have been re-shaping China's auto industry. When we analyze the changes in competitors' strategies, we find they have been intentionally controlling China's auto industry step by step,from whole vehicle manufacturing to distribution and parts supply.

  9. Challenges and Opportunities for China's Auto Industry Amid Crisis

    Institute of Scientific and Technical Information of China (English)

    Li Zhen

    2009-01-01

    @@ Adversely affected by the international financial crisis,China's auto exports suffered a huge loss.It is reported that China's auto exports have declined for 12 consecutive months since August 2008 because of a big contraction in the international auto market due to the financial crisis.

  10. Efficiency calibration of solid track spark auto counter

    International Nuclear Information System (INIS)

    The factors influencing detection efficiency of solid track spark auto counter were analyzed, and the best etch condition and parameters of charge were also reconfirmed. With small plate fission ionization chamber, the efficiency of solid track spark auto counter at various experiment assemblies was re-calibrated. The efficiency of solid track spark auto counter at various experimental conditions was obtained. (authors)

  11. FOTON Motor Crowns 4th China Auto International Circuit Exhibition

    Institute of Scientific and Technical Information of China (English)

    Wu Yan

    2005-01-01

    @@ In order to provide more opportuni ties for the high-developing Chinese auto industry including autos and motos to do export, and to enlarge the international influence of Chinese cars,the 4th China Auto International Circuit Exhibition will be held in Syria. The exhibition has been held for three times.

  12. FOTON Motor Crowns 4th China Auto International Circuit Exhibition

    Institute of Scientific and Technical Information of China (English)

    Wu; Yan

    2005-01-01

      In order to provide more opportuni ties for the high-developing Chinese auto industry including autos and motos to do export, and to enlarge the international influence of Chinese cars,the 4th China Auto International Circuit Exhibition will be held in Syria. The exhibition has been held for three times.……

  13. Taking Year-end Inventory on China's Auto Market

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ From November 10 to 11, the 6th Annual China Auto Industry Development Summit, and Analysis and Survey on the China Auto Industry and Auto Parts Market for 2008, was held at the Beijing Central Garden Hotel. The event was co-sponsored by the China Machinery Industry Federation and the Liaoning Provincial Economic and Reform Commission.

  14. Rational Thoughts on the Development of Chinese Auto Industry

    Institute of Scientific and Technical Information of China (English)

    Shao Qihui

    2004-01-01

    @@ In order to keep the steady, fast and sustainable development of auto industry, we should have an overall knowledge of the history and current situation of the world auto industry, and have a correct strategic planning and scientific measures towards the Chinese auto industry.

  15. 46 CFR 97.16-1 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Use of auto pilot. 97.16-1 Section 97.16-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) CARGO AND MISCELLANEOUS VESSELS OPERATIONS Auto Pilot § 97.16-1 Use of auto pilot. Except as provided in 33 CFR 164.15, when the automatic pilot is...

  16. 46 CFR 78.19-1 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 3 2010-10-01 2010-10-01 false Use of auto pilot. 78.19-1 Section 78.19-1 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PASSENGER VESSELS OPERATIONS Auto Pilot § 78.19-1 Use of auto pilot. Except as provided in 33 CFR 164.15, when the automatic pilot is used in—...

  17. GLOBAL Auto Shows Boom in 2007

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ China's independent brands have been booming in recent years when the country's auto industry has seen a rapid growth. They have attracted the global attention, but still need to upgrade constantly whether in technology or business performance in order to strengthen their presence in the global market and become internationalized.

  18. Auto Euroopa Liidus kallim / Sulev Oll

    Index Scriptorium Estoniae

    Oll, Sulev, 1964-

    2001-01-01

    Euroopa Liiduga liitumisel tuleb uue auto eest välja käia vähemalt 10 000 krooni rohkem, kuna plaanide kohaselt ei tohi liikmesriikides autode hinnaerinevused ületada 12%. Ilmunud ka: Delovõje Vedomosti, 28. märts 2001, lk. 7

  19. Auto Parts Market Potential Coming into Surface

    Institute of Scientific and Technical Information of China (English)

    Guo Yan

    2008-01-01

    @@ Looking at the increasingly fierce competition in the world auto market,global automobile manufacturing industry,taking Europe,the U.S.and Japan as representatives,is gradually forming a new type of relationship,mutual cooperation between whole vehicle and parts manufacturers.

  20. Robust bent line regression

    OpenAIRE

    Zhang, Feipeng; Li, Qunhua

    2016-01-01

    We introduce a rank-based bent linear regression with an unknown change point. Using a linear reparameterization technique, we propose a rank-based estimate that can make simultaneous inference on all model parameters, including the location of the change point, in a computationally efficient manner. We also develop a score-like test for the existence of a change point, based on a weighted CUSUM process. This test only requires fitting the model under the null hypothesis in absence of a chang...

  1. Adaptive Metric Kernel Regression

    DEFF Research Database (Denmark)

    Goutte, Cyril; Larsen, Jan

    1998-01-01

    Kernel smoothing is a widely used nonparametric pattern recognition technique. By nature, it suffers from the curse of dimensionality and is usually difficult to apply to high input dimensions. In this paper, we propose an algorithm that adapts the input metric used in multivariate regression by...... minimising a cross-validation estimate of the generalisation error. This allows one to automatically adjust the importance of different dimensions. The improvement in terms of modelling performance is illustrated on a variable selection task where the adaptive metric kernel clearly outperforms the standard...

  2. Adaptive metric kernel regression

    DEFF Research Database (Denmark)

    Goutte, Cyril; Larsen, Jan

    2000-01-01

    Kernel smoothing is a widely used non-parametric pattern recognition technique. By nature, it suffers from the curse of dimensionality and is usually difficult to apply to high input dimensions. In this contribution, we propose an algorithm that adapts the input metric used in multivariate...... regression by minimising a cross-validation estimate of the generalisation error. This allows to automatically adjust the importance of different dimensions. The improvement in terms of modelling performance is illustrated on a variable selection task where the adaptive metric kernel clearly outperforms the...

  3. The Prevalence of Musculoskeletal Disorder and the Association with Risk Factors among Auto Repair Mechanics in Klang Valley, Malaysia

    Directory of Open Access Journals (Sweden)

    Ahmad Faisal AHMAD NASARUDDIN

    2015-10-01

    Full Text Available Background: The primary objective of this study was to determine the association between risk factors and the prevalence of musculoskeletal disorder (MSD among auto repair mechanics in Klang Valley, Malaysia.Methods: Overall, 191 mechanics from eight auto repair centers in Klang Valley, Malaysia were stratified sampling as participants of this study. A modified version of the general Standardized Nordic Questionnaire was used for analyses of perceived MSD in nine different parts of the body. Rapid Upper Limb Assessment (RULA, vibration measurement on hand power tool, questionnaire on job content, force exertion was used in this study. Direct logistic regression was performed to assess the impact of risk factors on the MSD prevalence. The probability limits for evaluating statistical significance was P < 0.05.Results: 87.4% of auto repair mechanics suffered from MSD. Logistic regression analysis revealed that factors were associated with symptoms on MSD: RULA (7.933, 95% CI 4.637-13.573 and orceful exertion (3.173, 95% CI 1.194 – 8.432. The magnitude of vibration of power tool exceeds action level 2.5m/s2 with (Mean=3.99+S.E. 0.071 and showed significant association with MSD in this study (P<0.05.Conclusion: Auto repair mechanics at auto repair centers in Klang Valley are likely to be exposed to a variety of ergonomic hazards and risk factors. Therefore, ergonomics awareness between employer and employee with training and information sharing shall be increase to reduce the prevalence of MSDs. Keywords: Musculoskeletal disorder (MSD, Auto repair mechanics, Hand arm vibration

  4. Integrated Optimization and Cost Allocation of Lean Inbound Logistics for the Auto Manufacturer%制造企业精益供应物流的整合优化与成本分摊问题——以汽车业为例

    Institute of Scientific and Technical Information of China (English)

    陈瑶; 霍佳震

    2012-01-01

    供应物流是连接供应商与制造企业间物料供应的重要活动.本文将精益思想延伸到跨企业的供应物流管理中,对供应商向精益制造企业直接JIT供应零部件的供应物流进行整合优化分析.以汽车业为例,分别在不同的供应商生产情况下讨论了精益供应物流的整合优化模型和求解方法,并讨论了实现整合优化结果的成本分摊机制,最后以上海某汽车整车厂和供应商为例进行了案例分析.%Manufacturing logistics can be mainly classified as inbound logistics, in-plant logistics, outbound logistics and return logistics. Inbound logistics links the first-tier suppliers and the manufacturer as an important value-added activity. Although a manufacturer's inbound logistic system is more complex than its outbound systems to an assembly plant (e. g. auto manufacturer) , its importance has been underestimated. An effective inbound logistics system is essential to the production process. While manufactories are applying Lean production system worldwide, The Lean production concept has not been widely applied to the inbound logistics area in spite of its popularity in the production area. If Lean concept is successfully applied to inbound logistics, raw materials and parts should be delivered to the manufacturer Just-in-time. The design of Lean inbound logistics can help move parts more efficiently in small lot-size. As a result, inventory can be substantially reduced to eliminate waste. However, with the lack of supply chain cooperation and integration optimization most manufacturers implementing the Lean inbound logistics in China consider their own interests and do not want to carry any inventory. Consequently, suppliers hold most of inventory and the waste is created outside the manufacturer and cannot be eliminated from the supply chain. This paper recognizes this prevalent issues existing in most manufacturers in China and proposes that the Lean principle extended to

  5. 汽车冲压分厂综合信息系统的设计与实现%Design and Implementation of Integrated Management Information System in Auto Factory Stamping Process

    Institute of Scientific and Technical Information of China (English)

    陈明; 陈静

    2011-01-01

    A set of integrated information system management was introduced in this article, which covers these functions such as detection, control, optimization, dispatch, and management, is built by adopting the hybrid network structure combined industrial Ethernet with industrial Field Bus,forming the management mode made up of field level, supervisory level and administration level, effectively solved the seamless integration problem between computers and apparatuses, completed the real-time supervision and control of field production status and the long-distance metering observation of energy consumption data on electricity, steam and gases, and achieved the real-time supervision of the entire productive process from production schedule to finished product entering warehouse, which provides a potent means to effective management, controlling cost of product, reducing energy consumption and E-office in the enterprises.%本文采用工业以太网与工业现场总线相结合的混合网络结构,构建一套覆盖全厂的集检测、控制、优化、调度和管理等功能于一体的综合信息管理系统,形成现场级、监控级和管理级的三级管理模式。有效地解决了计算机与仪表之间以及计算机之间的无缝集成问题,完成了现场生产情况和设备运行状态的实时监管以及远程电、汽、气等能耗数据的计量监测,实现了从计划排产到成品入库全部生产过程的实时监控,为企业的高效管理、控制产品成本、节能降耗与无纸化办公提供了有力手段。

  6. Integration

    DEFF Research Database (Denmark)

    Emerek, Ruth

    2004-01-01

    Bidraget diskuterer de forskellige intergrationsopfattelse i Danmark - og hvad der kan forstås ved vellykket integration......Bidraget diskuterer de forskellige intergrationsopfattelse i Danmark - og hvad der kan forstås ved vellykket integration...

  7. Caudal Regression Syndrome

    Directory of Open Access Journals (Sweden)

    Karim Hardani*

    2012-05-01

    Full Text Available A 10-month-old baby presented with developmental delay. He had flaccid paralysis on physical examination.An MRI of the spine revealed malformation of the ninth and tenth thoracic vertebral bodies with complete agenesis of the rest of the spine down that level. The thoracic spinal cord ends at the level of the fifth thoracic vertebra with agenesis of the posterior arches of the eighth, ninth and tenth thoracic vertebral bodies. The roots of the cauda equina appear tightened down and backward and ended into a subdermal fibrous fatty tissue at the level of the ninth and tenth thoracic vertebral bodies (closed meningocele. These findings are consistent with caudal regression syndrome.

  8. AutoCAD MEP 2009 Anpassad verktygspalett

    OpenAIRE

    Johansson, Magnus; Klasa, Thomas

    2009-01-01

    Rapporten handlar om examensprojektet som utförts av Magnus Johansson och Thomas Klasa under våren 2009. Man har under åtta veckors tid arbetat med att hjälpa företaget LBElkonsult AB i Mölndal med att ta fram en specialanpassad verktygspalett i datorprogrammet AutoCAD MEP 2009. I rapporten finns de olika steg som genomförts för att nå det önskade slutresultatet. Allt från förstudier och själva arbetet i AutoCAD MEP 2009 till finjusteringarna som avslutningsvis gjordes på den blivande slutpro...

  9. Programiranje u AutoCAD-u (C#)

    OpenAIRE

    Glasinovic, Frane

    2011-01-01

    Programski paket AutoCAD ima veliki broj ugrađenih alata pa biste pomislili da u AutoCAD-u postoje funkcije za sve što vam padne na pamet. To je donekle i istina, ali ponekad ćete se naći u situaciji da ugrađeni alati jednostavni nisu ono što tražite. Nekada ćete poželjeti automatizirati ponavljajući proces ili pristupiti rješavanju problema na način koji više odgovara specifičnim okolnostima. U ovakvim slučajevima znanje iz programiranja biti će više nego dobrodošlo. U samo par linija ...

  10. AutoCAD-To-GIFTS Translator Program

    Science.gov (United States)

    Jones, Andrew

    1989-01-01

    AutoCAD-to-GIFTS translator program, ACTOG, developed to facilitate quick generation of small finite-element models using CASA/GIFTS finite-element modeling program. Reads geometric data of drawing from Data Exchange File (DXF) used in AutoCAD and other PC-based drafting programs. Geometric entities recognized by ACTOG include points, lines, arcs, solids, three-dimensional lines, and three-dimensional faces. From this information, ACTOG creates GIFTS SRC file, which then reads into GIFTS preprocessor BULKM or modified and reads into EDITM to create finite-element model. SRC file used as is or edited for any number of uses. Written in Microsoft Quick-Basic (Version 2.0).

  11. Airbag Mapped Mesh Auto-Flattening Method

    Institute of Scientific and Technical Information of China (English)

    ZHANG Jinhuan; MA Chunsheng; BAI Yuanli; HUANG Shilin

    2005-01-01

    Current software cannot easily model an airbag to be flattened without wrinkles. This paper improves the modeling efficiency using the initial metric method to design a mapped mesh auto-flattening algorithm. The element geometric transformation matrix was obtained using the theory of computer graphics. The algorithm proved to be practical for modeling a passenger-side airbag model. The efficiency and precision of modeling airbags are greatly improved by this method.

  12. Retrofitting the AutoBayes Program Synthesis System with Concrete Syntax

    Science.gov (United States)

    Fischer, Bernd; Visser, Eelco

    2004-01-01

    AutoBayes is a fully automatic, schema-based program synthesis system for statistical data analysis applications. Its core component is a schema library. i.e., a collection of generic code templates with associated applicability constraints which are instantiated in a problem-specific way during synthesis. Currently, AutoBayes is implemented in Prolog; the schemas thus use abstract syntax (i.e., Prolog terms) to formulate the templates. However, the conceptual distance between this abstract representation and the concrete syntax of the generated programs makes the schemas hard to create and maintain. In this paper we describe how AutoBayes is retrofitted with concrete syntax. We show how it is integrated into Prolog and describe how the seamless interaction of concrete syntax fragments with AutoBayes's remaining legacy meta-programming kernel based on abstract syntax is achieved. We apply the approach to gradually mitigate individual schemas without forcing a disruptive migration of the entire system to a different First experiences show that a smooth migration can be achieved. Moreover, it can result in a considerable reduction of the code size and improved readability of the code. In particular, abstracting out fresh-variable generation and second-order term construction allows the formulation of larger continuous fragments.

  13. Regression Analysis A Constructive Critique

    CERN Document Server

    Berk, Richard A

    2003-01-01

    Regression Analysis: A Constructive Critique identifies a wide variety of problems with regression analysis as it is commonly used and then provides a number of ways in which practice could be improved. Regression is most useful for data reduction, leading to relatively simple but rich and precise descriptions of patterns in a data set. The emphasis on description provides readers with an insightful rethinking from the ground up of what regression analysis can do, so that readers can better match regression analysis with useful empirical questions and improved policy-related research. "An

  14. Combining Alphas via Bounded Regression

    Directory of Open Access Journals (Sweden)

    Zura Kakushadze

    2015-11-01

    Full Text Available We give an explicit algorithm and source code for combining alpha streams via bounded regression. In practical applications, typically, there is insufficient history to compute a sample covariance matrix (SCM for a large number of alphas. To compute alpha allocation weights, one then resorts to (weighted regression over SCM principal components. Regression often produces alpha weights with insufficient diversification and/or skewed distribution against, e.g., turnover. This can be rectified by imposing bounds on alpha weights within the regression procedure. Bounded regression can also be applied to stock and other asset portfolio construction. We discuss illustrative examples.

  15. Integrando a promoção das metodologias Lean Manufacturing e Six Sigma na busca de produtividade e qualidade numa empresa fabricante de autopeças Integrating the promotion of Lean Manufacturing and Six Sigma methodologies in search of productivity and quality in an auto parts manufacturer

    Directory of Open Access Journals (Sweden)

    Iris Bento da Silva

    2011-01-01

    Full Text Available Dentre os diversos fatores críticos de sucesso que as empresas devem considerar, destaca-se a busca por padrões cada vez mais elevados de produtividade e qualidade. Neste contexto, o objetivo deste trabalho é apresentar uma iniciativa de integrar a promoção das metodologias Lean Manufacturing e Six Sigma na busca de um melhor desempenho operacional. Essa integração combina a aplicação de elementos de Lean Manufacturing, que visa à racionalização dos fluxos de valor por meio da redução de desperdícios, com elementos de Six Sigma, que visa à sistematização do processo de análise e controle da variação em processos para se obter qualidade superior. O trabalho é baseado num estudo de caso sobre as mudanças realizadas para a acomodação desta abordagem numa empresa fabricante de autopeças. São investigados a estrutura adotada para sua promoção bem como o modo em que os projetos de melhoria são desenvolvidos por meio dela. Os resultados obtidos indicam que a iniciativa de conciliar a aplicação destas duas metodologias pode contribuir para aprimorar e tornar mais abrangente e efetivo o processo de melhoria contínua.Among the diverse critical success factors that the firms must consider, the pursuit of increasingly higher standards of productivity and quality stands out. In this context, the purpose of this article is to present an initiative to integrate the promotion of the Lean Manufacturing and Six Sigma methodologies in seeking enhanced operational performance. This integration combines the application of Lean Manufacturing elements that aim at the streamlining of value streams by the elimination of wastes with Six Sigma elements which aim at the systematization of the analysis and control of process variation for accomplishing superior quality. This work is based on a case study on the changes undertaken for the implementation of this approach in an auto parts manufacturer. The organizational structure which was

  16. Investigating the Simulink Auto-Coding Process

    Science.gov (United States)

    Gualdoni, Matthew J.

    2016-01-01

    Model based program design is the most clear and direct way to develop algorithms and programs for interfacing with hardware. While coding "by hand" results in a more tailored product, the ever-growing size and complexity of modern-day applications can cause the project work load to quickly become unreasonable for one programmer. This has generally been addressed by splitting the product into separate modules to allow multiple developers to work in parallel on the same project, however this introduces new potentials for errors in the process. The fluidity, reliability and robustness of the code relies on the abilities of the programmers to communicate their methods to one another; furthermore, multiple programmers invites multiple potentially differing coding styles into the same product, which can cause a loss of readability or even module incompatibility. Fortunately, Mathworks has implemented an auto-coding feature that allows programmers to design their algorithms through the use of models and diagrams in the graphical programming environment Simulink, allowing the designer to visually determine what the hardware is to do. From here, the auto-coding feature handles converting the project into another programming language. This type of approach allows the designer to clearly see how the software will be directing the hardware without the need to try and interpret large amounts of code. In addition, it speeds up the programming process, minimizing the amount of man-hours spent on a single project, thus reducing the chance of human error as well as project turnover time. One such project that has benefited from the auto-coding procedure is Ramses, a portion of the GNC flight software on-board Orion that has been implemented primarily in Simulink. Currently, however, auto-coding Ramses into C++ requires 5 hours of code generation time. This causes issues if the tool ever needs to be debugged, as this code generation will need to occur with each edit to any part of

  17. Theory and practice of Auto CAD, computer graphics

    International Nuclear Information System (INIS)

    This book describes theory and practice of Auto CAD, computer graphics, which deals with peripheral of computer, occurrence of digital line by DDA, BRM, theory of conversion, data base and display and shape modeling. This book gives descriptions of outline of CAD system, Auto CAD, basic function practice, simple figure practice, the third angle projection drawing a little complex single object, machine drawing I, function practice of improved Auto CAD, edit, set up layer, and 3D, and 3D display function.

  18. AutoCAD教学思考与探究

    Institute of Scientific and Technical Information of China (English)

    杨磊

    2013-01-01

    本文浅析了AutoCAD教学现状,提出对于高职院校AutoCAD课程,教师要积极针对课程的特点,改革AutoCAD的课程体系,探索有效教学方法,激发学生的学习热情,培养学生的专业能力.

  19. FOTON Auto: Fish Pound Generates Successful Overseas Market

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    @@ The rapid development of Chinese auto industry has led to an escalated boom of the independent brands of Chinese auto industry, as well as a success in the overseas market. Especially in the fields of the business cars, thanks to the abundant experiences accumulated during the past 50 years and the mature products, Chinese auto industry has won some comparative advantages in the international market.

  20. FOTON Auto: Fish Pound Generates Successful Overseas Market

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

      The rapid development of Chinese auto industry has led to an escalated boom of the independent brands of Chinese auto industry, as well as a success in the overseas market. Especially in the fields of the business cars, thanks to the abundant experiences accumulated during the past 50 years and the mature products, Chinese auto industry has won some comparative advantages in the international market.……

  1. Creation of a Deep Convolutional Auto-Encoder in Caffe

    OpenAIRE

    Turchenko, Volodymyr; Luczak, Artur

    2015-01-01

    The development of a deep (stacked) convolutional auto-encoder in the Caffe deep learning framework is presented in this paper. We describe simple principles which we used to create this model in Caffe. The proposed model of convolutional auto-encoder does not have pooling/unpooling layers yet. The results of our experimental research show comparable accuracy of dimensionality reduction in comparison with a classic auto-encoder on the example of MNIST dataset.

  2. CENTRAL CONVEYING & AUTO FEEDING SYSTEMS FOR AN INJECTION MOLDING SHOP

    Directory of Open Access Journals (Sweden)

    Sanjeev Kumar

    2011-08-01

    Full Text Available Nowadays injection molding is probably the most important method of Processing of consumer and industrial goods, and is performed everywhere in the world. The developing of injection molding becomes a competition from day to day. This Process now integrated with computer control make the production better in quality and Better quantity. The trends of producing a plastics product in injection molding industries are recently changing from traditional method to using the FEA analysis. For injection molding industries, time and cost is very important aspects to consider because these two aspectswill directly related to the profits at a company. The next issue toconsider, to get the best parameter for the injection molding process, plastics has been waste. Through the experiment, operator will use large amount of plastics material to get the possibly parameters to setup the machine.To produce the parts with better quality and quantity these molding defects are the major obstacles in achieving the targets with quality & quantity. Various defects like Short shot, colour streaks and low productivity rates are associated with the material mixing and feeding as molded plastics are often a blend of two or more materials. Colors (master batch and other additives are often mixed (blended with the raw plastic material prior to the molding process in molding plants. So it is very necessary to work out auto blending and auto feeding of plasticgranules to the machine hopper. This paper will cover the studyof automatic blending unit & central conveying system for plasticgranule feeding to machine & will help in optimizing the injection molding process.

  3. 3D Surface Morphology Measurement and Auto-focusing System

    Institute of Scientific and Technical Information of China (English)

    CHEN Qi; ZANG Huai-pei

    2005-01-01

    When interference microscope measures the surface rough of the micromechanical device, as soon as the work distance of interference microscope and the depth of field is shortened, the interference images become slur for the measured object if there has small interference after clear focus. The auto-focusing system is introduced into the interference microscope, the system can obtain high definition interference image rapidly,and can improve the measuring velocity and measuring precision. The system is characterized by auto-focusing range of ±150 μm, auto-focusing precision of ±0.3 μm, auto-focusing time of 4~8 s.

  4. Integrated Auto-Tuning PID Control of Continuous Casting Process

    Institute of Scientific and Technical Information of China (English)

    2000-01-01

    PID controllers were used for the hydraulic servo system of sliding gate and the tundish weight control system in continuous caster. These two loops were synthesized in mould level controller based on model reduction and internal model control strategy. Satisfactory control performance of this synthetic mould level controller was demonstrated by simulations and on-line experiments.

  5. Shape Analysis Using the Auto Diffusion Function

    DEFF Research Database (Denmark)

    Gebal, Katarzyna; Bærentzen, Jakob Andreas; Aanæs, Henrik;

    2009-01-01

    Scalar functions defined on manifold triangle meshes is a starting point for many geometry processing algorithms such as mesh parametrization, skeletonization, and segmentation. In this paper, we propose the Auto Diffusion Function (ADF) which is a linear combination of the eigenfunctions......, it is controlled by a single parameter which can be interpreted as feature scale, and, finally, the ADF is invariant to rigid and isometric deformations. We describe the ADF and its properties in detail and compare it to other choices of scalar functions on manifolds. As an example of an application, we present...

  6. Auto-oscillations in complex plasmas

    Energy Technology Data Exchange (ETDEWEB)

    Zhdanov, Sergej K; Schwabe, Mierk; Heidemann, Ralf; Suetterlin, Robert; Thomas, Hubertus M; Rubin-Zuzic, Milenko; Rothermel, Hermann; Hagl, Tanja; Ivlev, Alexei V; Morfill, Gregor E [Max-Planck-Institut fuer extraterrestrische Physik, D-85741 Garching (Germany); Molotkov, Vladimir I; Lipaev, Andrey M; Petrov, Oleg F; Fortov, Vladimir E [Institute for High Energy Densities, Russian Academy of Sciences, 125412 Moscow (Russian Federation); Reiter, Thomas [Deutsches Zentrum fuer Luft- und Raumfahrt, Linder Hoehe, 51147 Koeln (Germany)], E-mail: zh@mpe.mpg.de

    2010-04-15

    Experimental results on an auto-oscillatory pattern observed in a complex plasma are presented. The experiments are performed with an argon plasma, which is produced under microgravity conditions using a capacitively coupled rf discharge at low power and gas pressure. The observed intense wave activity in the complex plasma cloud correlates well with the low-frequency modulation of the discharge voltage and current and is initiated by periodic void contractions. Particle migrations forced by the waves are of long-range repulsive and attractive character.

  7. Specification Testing for Nonlinear Multivariate Cointegrating Regressions

    OpenAIRE

    Chaohua Dong; Jiti Gao; Dag Tjostheim; Jiying Yin

    2014-01-01

    This paper considers a general model specification test for nonlinear multivariate cointegrating regressions where the regressor consists of a univariate integrated time series and a vector of stationary time series. The regressors and the errors are generated from the same innovations, so that the model accommodates endogeniety. A new and simple test is proposed and the resulting asymptotic theory is established. The test statistic is constructed based on a natural distance function between ...

  8. AutoCAD的三维设计技术研究%3D design in AutoCAD

    Institute of Scientific and Technical Information of China (English)

    吴春燕; 陈兵

    2005-01-01

    通过对在 AutoCAD中进行三维图形设计工作示控制、建模、编辑、着色和渲染的介绍,展示了 AutoCAD 2002版本中增强的三维绘图功能,为众多的 AutoCAD用户提供了一种三维设计的思路.

  9. Polynomial Regression on Riemannian Manifolds

    CERN Document Server

    Hinkle, Jacob; Fletcher, P Thomas; Joshi, Sarang

    2012-01-01

    In this paper we develop the theory of parametric polynomial regression in Riemannian manifolds and Lie groups. We show application of Riemannian polynomial regression to shape analysis in Kendall shape space. Results are presented, showing the power of polynomial regression on the classic rat skull growth data of Bookstein as well as the analysis of the shape changes associated with aging of the corpus callosum from the OASIS Alzheimer's study.

  10. Regression Testing Cost Reduction Suite

    OpenAIRE

    Mohamed Alaa El-Din; Ismail Abd El-Hamid Taha; Hesham El-Deeb

    2014-01-01

    The estimated cost of software maintenance exceeds 70 percent of total software costs [1], and large portion of this maintenance expenses is devoted to regression testing. Regression testing is an expensive and frequently executed maintenance activity used to revalidate the modified software. Any reduction in the cost of regression testing would help to reduce the software maintenance cost. Test suites once developed are reused and updated frequently as the software evolves. As a result, some...

  11. Engineering Dimensioning Based on AutoCAD Block Operation%基于AutoCAD块操作的工程标注

    Institute of Scientific and Technical Information of China (English)

    王春升

    2001-01-01

    AutoCAD系统绘制机械零件图时,可以利用AutoCAD的块操作创建表面粗糙度调用图块。%The block operation of AutoCAD can be used in creating surfaceroughness calling segment when AutoCAD is applied in designing mechanica l part-diagram.

  12. Time-adaptive quantile regression

    DEFF Research Database (Denmark)

    Møller, Jan Kloppenborg; Nielsen, Henrik Aalborg; Madsen, Henrik

    2008-01-01

    An algorithm for time-adaptive quantile regression is presented. The algorithm is based on the simplex algorithm, and the linear optimization formulation of the quantile regression problem is given. The observations have been split to allow a direct use of the simplex algorithm. The simplex method...... and an updating procedure are combined into a new algorithm for time-adaptive quantile regression, which generates new solutions on the basis of the old solution, leading to savings in computation time. The suggested algorithm is tested against a static quantile regression model on a data set with wind power...

  13. Business applications of multiple regression

    CERN Document Server

    Richardson, Ronny

    2015-01-01

    This second edition of Business Applications of Multiple Regression describes the use of the statistical procedure called multiple regression in business situations, including forecasting and understanding the relationships between variables. The book assumes a basic understanding of statistics but reviews correlation analysis and simple regression to prepare the reader to understand and use multiple regression. The techniques described in the book are illustrated using both Microsoft Excel and a professional statistical program. Along the way, several real-world data sets are analyzed in deta

  14. Quantile regression theory and applications

    CERN Document Server

    Davino, Cristina; Vistocco, Domenico

    2013-01-01

    A guide to the implementation and interpretation of Quantile Regression models This book explores the theory and numerous applications of quantile regression, offering empirical data analysis as well as the software tools to implement the methods. The main focus of this book is to provide the reader with a comprehensivedescription of the main issues concerning quantile regression; these include basic modeling, geometrical interpretation, estimation and inference for quantile regression, as well as issues on validity of the model, diagnostic tools. Each methodological aspect is explored and

  15. Application discussion of AutoCAD in lightning protect engineering drawing%浅谈AutoCAD在防雷工程制图中的应用

    Institute of Scientific and Technical Information of China (English)

    杨再禹; 薛文峰

    2008-01-01

    结合AutoCAD技术的广泛应用,总结了AutoCAD在防雷工程制图中的应用,包括巧借Excel在AutoCAD 中绘曲线、用AutoCAD制作表格、Word 文档中插入AutoCAD图形等,重点介绍了AutoCAD中修剪、延伸及镜像命令的巧用,同时对BAK及PURGE的应用也进行了说明,以推广AutoCAD软件的应用.

  16. Discussion on the application of AutoCAD in irrigation project drawing%浅谈AutoCAD在水利工程制图中的应用

    Institute of Scientific and Technical Information of China (English)

    葛玉芹; 方诗圣

    2008-01-01

    结合AutoCAD技术的广泛应用,总结了AutoCAD在水利工程制图中的应用,包括巧借Excel在AutoCAD中绘曲线、用AutoCAD制作表格、Wrod文档中插入AutoCAD图形等,重点介绍了AutoCAD中修剪、延伸及镜像命令的巧用,同时对BAK及PURGE的应用也进行了说明,以推广AutoCAD软件的应用.

  17. 'Integration'

    DEFF Research Database (Denmark)

    Olwig, Karen Fog

    2011-01-01

    , while the countries have adopted disparate policies and ideologies, differences in the actual treatment and attitudes towards immigrants and refugees in everyday life are less clear, due to parallel integration programmes based on strong similarities in the welfare systems and in cultural notions of...

  18. AutoCAD二次开发工具研究

    Institute of Scientific and Technical Information of China (English)

    雷菲菲

    2013-01-01

    由于AutoCAD软件提供了友好的人机交互模式、良好的二次开发平台、实惠的价格而深受广大企业的青睐。目前所选用的CAD软件首推AutoCAD各版本软件或是在其基础上二次开发的软件,如高华CAD、华中理工大学IntelCAD等。许多用户正是看中AutoCAD提供的二次开发功能,有利于开发出适合厂情的功能模块,但是,AutoCAD的版本升级较快,在近几年推出了AutoCADR13、AutoCADR14、AutoCAD、R2000,使得用户在使用特别是在二次开发上变得无所适从。本文正是从这一情况出发,探讨在AutoCAD平台上使用的开发工具。

  19. Auto-ionizing states in MgI

    International Nuclear Information System (INIS)

    Hartree-Fock calculations have been performed for the auto-ionizing levels of the 3pns, 3pnp, 4snp (n=4 to 7) and 3pnd (n=3 to 7) series in MgI. The calculated energies of the auto-ionizing states are compared with the available results from photo-absorption measurements and ejected-electron experiments. (author)

  20. Efficiency measurement for solid track spark auto counters

    International Nuclear Information System (INIS)

    The theory of solid track spark auto counters was introduced. The best etch condition was explored. Efficiency for spark auto counters was measured. The ameliorating-factor for the hull's thickness and etch-thickness was measured. The measurement for ameliorating factors and efficiency makes solid track detect system, can be used for absolute fission rate measurement. (authors)

  1. The background of Chinese Autos popularity in Syria

    Institute of Scientific and Technical Information of China (English)

    Gu Zhongyang

    2008-01-01

    @@ At the end of April in 2006,I along with lhmous China automakers attended the murth Syria China Auto International Exhibition held by China Council for Promotion of International Trade and China Machinery Industry Fcderation,took a tour by the Cars for 10 days in Syria,and had a close feel on the auto market in Syria.

  2. An Instructional Method for the AutoCAD Modeling Environment.

    Science.gov (United States)

    Mohler, James L.

    1997-01-01

    Presents a command organizer for AutoCAD to aid new uses in operating within the 3-D modeling environment. Addresses analyzing the problem, visualization skills, nonlinear tools, a static view of a dynamic model, the AutoCAD organizer, environment attributes, and control of the environment. Contains 11 references. (JRH)

  3. Sarri võttis Talleksiga taanlastelt Saksa Auto / Villy Paimets

    Index Scriptorium Estoniae

    Paimets, Villy, 1972-

    2005-01-01

    Andres Sarri poolt kontrollitav AS Talleks ostis Taani partnerilt Semler Holding välja 50-protsendilise osaluse AS-is Saksa Auto. Lisa: Viimastel aastatel eestlaste poolt välja ostetud ettevõtted. Diagramm: Saksa Auto tulemused paranesid mullu märgatavalt. Vt. samas: Sarri: me ei tee halbu tehinguid; Peeter Raidla. Tuleristsed 90ndate alguse võimuvõitlusest

  4. Rüütmann taandub Kommest Auto juhtimisest / Kaisa Tahlfeld

    Index Scriptorium Estoniae

    Tahlfeld, Kaisa

    2007-01-01

    AS-i Kommest Auto asutaja ja omanik Toomas Rüütmann loobub ettevõtte juhtimisest, kuid jätkab juhatuse liikmena ning keskendub eksportturgudele ja koostööle edasimüüjatega. Kommest Auto uueks juhiks saab Raido Toonekurg. Lisa: Mis on mis; Taust

  5. Kommest Auto ostmisest huvitub ka Hillar Teder / Andres Eilart

    Index Scriptorium Estoniae

    Eilart, Andres

    2008-01-01

    Kommest Auto ostmise vastu tunnevad huvi suurärimees Andres Sarri, Rootsis Peugeot' sõidukeid müüv Taani päritolu K. W. Bruun Import ja multimiljonär Hillar Teder, kellele kuulub Audisid müüv Reval Auto

  6. Chinese Auto Show in Indo-China Peninsula

    Institute of Scientific and Technical Information of China (English)

    Wu Yan

    2005-01-01

    @@ Chinese auto and motorcycle exhibition group will drive to Indo-China Peninsula in Juanuary 2005 to participate in the 3rd Mudan Cup China International Auto Exhibition (Vietnam and Cambodia). Those Chinese machinery products including automobiles, motorcycles are the first batch commodities entering Vietnam and Cambodia after the signing of China-ASEAN Agreement of Cargo Trade.

  7. Brilliance Auto:Independent Quality Product "China Wind"

    Institute of Scientific and Technical Information of China (English)

    Bai Yifeng; Liu Jinliang

    2006-01-01

    @@ Brilliance Auto, leads one and another leap of Chinese automobile with its unique posture of "high starting point independent innovation". As the new vigor power of national automobile, "forge national independent brand quality product" is the pursuit of Brilliance Auto since a long time.

  8. 46 CFR 109.585 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Use of auto pilot. 109.585 Section 109.585 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) A-MOBILE OFFSHORE DRILLING UNITS OPERATIONS Miscellaneous § 109.585 Use of auto pilot. Except as provided in 33 CFR 164.15, when the automatic pilot is...

  9. 46 CFR 185.360 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 7 2010-10-01 2010-10-01 false Use of auto pilot. 185.360 Section 185.360 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS) OPERATIONS Miscellaneous Operating Requirements § 185.360 Use of auto pilot. Whenever an automatic pilot...

  10. 46 CFR 167.65-35 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... Special Operating Requirements § 167.65-35 Use of auto pilot. Except as provided in 33 CFR 164.15, when the automatic pilot is used in— (a) Areas of high traffic density; (b) Conditions of restricted... 46 Shipping 7 2010-10-01 2010-10-01 false Use of auto pilot. 167.65-35 Section 167.65-35...

  11. 46 CFR 131.960 - Use of auto-pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Use of auto-pilot. 131.960 Section 131.960 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) OFFSHORE SUPPLY VESSELS OPERATIONS Miscellaneous § 131.960 Use of auto-pilot. When the automatic pilot is used in areas of high traffic...

  12. 46 CFR 122.360 - Use of auto pilot.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Use of auto pilot. 122.360 Section 122.360 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) SMALL PASSENGER VESSELS CARRYING MORE THAN 150... Requirements § 122.360 Use of auto pilot. Whenever an automatic pilot is used the master shall ensure that:...

  13. Learning the Inverse Model of the Dynamics of a Robot Leg by Auto-imitation

    Science.gov (United States)

    Kalveram, Karl Theodor; Seyfarth, Andre

    Walking, running and hopping are based on self-stabilizing oscillatory activity. In contrast, aiming movements serve to direct a limb to a desired location and demand a quite different manner of control which also includes learning the physical parameters of that limb. The paper is concerned with the question how reaching a goal can be integrated into locomotion. A prerequisite of piecing together both types of control is the acquisition of a model of the limb’s inverse dynamics. To test whether auto-imitation, a biologically inspired learning algorithm, can solve this problem, we build a motor driven device with a two-segmented arm. A preliminary study revealed that at least the forearm — with the upper arm fixed — can be made controllable by this method we called “auto-imitatively adaptable inverse control”.

  14. Directly Generating the NC Machining Program from AutoCAD Graph

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    One kind of auto-programming method directly gener at ing the NC machining program by AutoCAD graph is discussed in this article. Firs tly, the article discusses the open type graphic interface of AutoCAD. Then the graphic export among the AutoCAD, the adding of process information and the data storage, as well as technology of generating NC program has been introduced . Finally, a NC auto-programming system GAPS based on AutoCAD graph is develope d. The tendency of auto-programming is graphic auto-pro...

  15. AutoCAD教学方法研究%Research on Teaching Method of AutoCAD

    Institute of Scientific and Technical Information of China (English)

    陈斌

    2013-01-01

    According to some problems in teaching AutoCAD, a teaching method which can arouse the enthusiasm of students is proposed. The students are encourageed to do some learnings in real-life applications in this paper. The proposed method is proved to bring about a striking effect on teaching.%  本文针对AutoCAD教学中存在的一些问题,提出了能够调动学生积极性的教学方法。鼓励学生在实际应用中学习。实践证明,新的教学方法能够提供教学效果。

  16. Gasification characteristics of auto shredder residue

    International Nuclear Information System (INIS)

    Given the large volume of used tyre waste generated each year it is imperative that suitable re-use and disposal techniques are developed for dealing with this problem; presently these include rethreading, reprocessing for use as safe playground and sports surfaces, use as noise reduction barriers and utilisation as a fuel source. This paper reports on pilot scale studies designed to investigate the suitability of automotive waste for energy recovery via gasification. The study was carried out into auto shredder residue, which is a mixture of three distinct waste streams: tyres, rubber/plastic and general automotive waste. The tests included proximate, ultimate and elemental analysis, TGA, as well as calorific value determinations. In addition, the waste was tested in a desktop gasifier, and analysis was carried out to determine the presence and type of combustible gases. It was concluded that tyre waste and rubber/plastic waste are quite suitable fuels for gasification. (author)

  17. AutoPyFactory and the Cloud

    CERN Document Server

    Caballero, J; The ATLAS collaboration; Love, P

    2013-01-01

    AutoPyFactory (APF) is a next-generation pilot submission framework that has been used as part of the ATLAS workload management system (PANDA) for two years. APF is reliable, scalable, and offers easy and flexible configuration. Using a plugin-based architecture, APF polls for information from configured information and batch systems (including grid sites), decides how many additional pilot jobs are needed, and submits them. With the advent of cloud computing, providing resources goes beyond submitting pilots to grid sites. Now, the resources on which the pilot will run also need to be managed. Handling both pilot submission and controlling the virtual machine life cycle (creation, retirement, and termination) from the same framework allows robust and efficient management of the process. In this paper we describe the design and implementation of these virtual machine management capabilities of APF. Expanding on our plugin-based approach, we allow cascades of virtual resources associated with a job queue. A si...

  18. AFC-Auto Oy:n asiakkuudenhallinta

    OpenAIRE

    Kinnunen, Ville-Markus

    2013-01-01

    Asiakkuudenhallinnan merkitys yrityksen jokapäiväisessä toiminnassa on muuttumassa koko ajan tärke-ämmäksi. Opinnäytetyöni tavoitteena oli kehittää AFC-Auto Oy:lle toimiva järjestelmä, jolla se pystyy tulevaisuudessa pitämään asiakkuudet paremmin hallinnassa. Toimeksiantajana minulla toimi varkaute-lainen perhe-yritys, joka harjoittaa käytettyjen autojen myyntiä. Olen itse osakkaana yrityksessä, joten järjestelmä tulee varmasti olemaan yrityksellä käytössä, ja sitä kehitetään eteenpäin. Te...

  19. Auto-programmable impulse neural circuits

    Science.gov (United States)

    Watula, D.; Meador, J.

    1990-01-01

    Impulse neural networks use pulse trains to communicate neuron activation levels. Impulse neural circuits emulate natural neurons at a more detailed level than that typically employed by contemporary neural network implementation methods. An impulse neural circuit which realizes short term memory dynamics is presented. The operation of that circuit is then characterized in terms of pulse frequency modulated signals. Both fixed and programmable synapse circuits for realizing long term memory are also described. The implementation of a simple and useful unsupervised learning law is then presented. The implementation of a differential Hebbian learning rule for a specific mean-frequency signal interpretation is shown to have a straightforward implementation using digital combinational logic with a variation of a previously developed programmable synapse circuit. This circuit is expected to be exploited for simple and straightforward implementation of future auto-adaptive neural circuits.

  20. Signature Region of Interest using Auto cropping

    Directory of Open Access Journals (Sweden)

    Bassam Al-Mahadeen

    2010-03-01

    Full Text Available A new approach for signature region of interest pre-processing was presented. It used new auto cropping preparation on the basis of the image content, where the intensity value of pixel is the source of cropping. This approach provides both the possibility of improving the performance of security systems based on signature images, and also the ability to use only the region of interest of the used image to suit layout design of biometric systems. Underlying the approach is a novel segmentation method which identifies the exact region of foreground of signature for feature extraction usage. Evaluation results of this approach shows encouraging prospects by eliminating the need for false region isolating, reduces the time cost associated with signature false points detection, and addresses enhancement issues. A further contribution of this paper is an automated cropping stage in bio-secure based systems.

  1. Auto-choreography: Animating Sentient Archives

    Directory of Open Access Journals (Sweden)

    Kim Satchell

    2010-03-01

    Full Text Available The stories lives tell, the narratives they follow and the spaces they embody are critical to articulating the conditions of everyday life. This resonates in the fraught relations within and between surf cultures, affluent societies and economic development. In the context of Rural Cultural Studies the analysis of coastal place allows for a combination of self-reflexive, critical and transformative modes of inquiry. This pedagogy of the coast offers innovative approaches to contemporary anthropogenic and existential challenges. For the Ecological Humanities, adjusting to living synergistically requires dialogue, ethical frameworks and care. This includes attention to the more-than human world and the non-human inhabitants with whose lives people become entangled in the mutuality of wandering paths and shared haunts. The imaginary-material architectures and geographies of these samples of coastal life, are topographies woven of spatiality and contemporary coastal writing. These contemplations attempt to sketch performative interactions from the auto-choreography animating sentient archives.

  2. Performance Optimization and Auto-Tuning

    Energy Technology Data Exchange (ETDEWEB)

    Howison, Mark

    2012-10-01

    In the broader computational research community, one subject of recent research is the problem of adapting algorithms to make effective use of multi- and many-core processors. Effective use of these architectures, which have complex memory hierarchies with many layers of cache, typically involves a careful examination of how an algorithm moves data through the memory hierarchy. Unfortunately, there is often a non-obvious relationship between algorithmic parameters like blocking strategies, and their impact on memory utilization, and, in turn, the relationship with runtime performance. Auto-tuning is an empirical method used to discover optimal values for tunable algorithmic parameters under such circumstances. The challenge is compounded by the fact that the settings that produce the best performance for a given problem and a given platform may not be the best for a different problem on the same platform, or the same problem on a different platform. The high performance visualization research community has begun to explore and adapt the principles of auto-tuning for the purpose of optimizing codes on modern multi- and many-core processors. This report focuses on how performance optimization studies reveal a dramatic variation in performance for two fundamental visualization algorithms: one based on a stencil operation having structured, uniform memory access, and the other is ray casting volume rendering, which uses unstructured memory access patterns. The two case studies highlighted in this report show the extra effort required to optimize such codes by adjusting the tunable algorithmic parameters can return substantial gains in performance. Additionally, these case studies also explore the potential impact of and the interaction between algorithmic optimizations and tunable algorithmic parameters, along with the potential performance gains resulting from leveraging architecture-specific features.

  3. Auto-Pattern Programmable Kernel Filter (Auto-PPKF for Suppression of Bot Generated Traffic

    Directory of Open Access Journals (Sweden)

    Kritika Govind

    2013-11-01

    Full Text Available Bots usually vary from their other malicious counter parts by periodically reporting to the botmaster through regular exchange of messages. Our experiments on bot attack generation showed a continuous exchange of packets with similar content between the botmaster and the zombie machine at various time intervals. Though there were also genuine packets with similar content being sent out of the victim machine challenge was to differentiate between the two and pass only the genuine ones. In this paper, an algorithm namely Auto-Pattern Programmable Kernel Filter (Auto-PPKF, for automatic detection of patterns from packet payload for filtering out malicious packets generated by bots is proposed. The significant feature of our proposed Auto-PPKF algorithm is that, the malicious pattern is deduced at kernel level on the fly from packet payload. Traditional algorithms such as Boyer Moore, Knuth Morris Patt, and Naive Pattern search algorithms require the pattern to be identified available a priori. Currently, Longest Common Subsequence (LCS algorithm stands as the most preferred algorithm for pattern matching. But the disadvantage is that common sequences can also exist in many genuine packets. Hence, the challenge lies in automatic detection of malicious patterns and filtering of the packets having such malicious patterns. This would not only put off the communication between the Botmaster and Zombie machine, but will also thus prevent user information from being sent to the botmaster.

  4. Streamlining EPID-based IMRT quality assurance: auto-analysis and auto-report generation

    International Nuclear Information System (INIS)

    Using an EPID for patient specific IMRT QA is an efficient way to verify patient plans prior to the treatment. Our centres' current EPID dosimetry method is based on a water equivalent depth approach, where EPID images of each IMRT field are converted to dose images and compared to Treatment planning system calculated dose images using a commercial software tool. Two physicists across two sites perform the analysis for an average of 12 new IMRT patients per week. To speed up this process, an in-house program called AutoEPIDIMRTQA was developed. The program automatically performs the following tasks sequentially: reading and converting raw EPID images acquired on either a Siemens Oncor or Elekta Synergy linear accelerator, registering them with planar dose images calculated by Pinnacle (Philips) or CMS XiO (Elekta) treatment planning systems, analyzing the profiles for registered images and calculating the Gamma map. Finally an IMRT QA report is automatically generated. AutoEPIDIMRTQA was validated against commercial software. The analysis time for a typical 9-beam IMRT head-neck patient decreases from 30 minutes to 4 minutes. The total QA time was reduced by 40% using AutoEPIDIMRTQA. Thus we have demonstrated a significant reduction in the time burden for physics staff performing IMRT QA.

  5. Streamlining EPID-based IMRT quality assurance: auto-analysis and auto-report generation

    Science.gov (United States)

    Xing, Aitang; Arumugam, Sankar; Deshpande, Shrikant; Armia; George; Holloway, Lois; Goozee, Gary; Gray, Alison; Vial, Philip

    2014-03-01

    Using an EPID for patient specific IMRT QA is an efficient way to verify patient plans prior to the treatment. Our centres' current EPID dosimetry method is based on a water equivalent depth approach, where EPID images of each IMRT field are converted to dose images and compared to Treatment planning system calculated dose images using a commercial software tool. Two physicists across two sites perform the analysis for an average of 12 new IMRT patients per week. To speed up this process, an in-house program called AutoEPIDIMRTQA was developed. The program automatically performs the following tasks sequentially: reading and converting raw EPID images acquired on either a Siemens Oncor or Elekta Synergy linear accelerator, registering them with planar dose images calculated by Pinnacle (Philips) or CMS XiO (Elekta) treatment planning systems, analyzing the profiles for registered images and calculating the Gamma map. Finally an IMRT QA report is automatically generated. AutoEPIDIMRTQA was validated against commercial software. The analysis time for a typical 9-beam IMRT head-neck patient decreases from 30 minutes to 4 minutes. The total QA time was reduced by 40% using AutoEPIDIMRTQA. Thus we have demonstrated a significant reduction in the time burden for physics staff performing IMRT QA.

  6. Digital control of the High-Altitude Balloon Experiment auto-alignment system

    Science.gov (United States)

    Schulthess, Marcus R.; Baugh, Steven

    1995-05-01

    The High Altitude Balloon Experiments (HABE) control architecture design focuses on establishing an inertial stabilized line-of-sight (LOS) for the tracking and laser pointing subsystems. High bandwidth LOS stabilization is implemented with an inertial reference measurement system. The Inertial Pseudo Star Reference Unit (IPSRU), and inertially stabilized two degree of freedom platform, generates an inertially stabilized alignment reference beam which probes the multiple aperture system. Fast steering mirrors (FSM) in optical alignment loops track the alignment reference beam performing jitter stabilization and boresight alignment. The auto alignment system operates in the primary aperture beam path, stabilizing the fine tracking sensor imagery and surrogate high energy laser pointing subsystem. Due to the superior performance of the IPSRU stabilization platform, aggregate LOS stabilization system base motion and optical jitter rejection is directly traceable to the auto alignment system control dynamics and sensor noise performance. Performance requirements specify two axis FSM control bandwidths of 500 Hz with a positioning resolution better that 300 nano-radians in output space. The digital control law is implemented in high performance digital processors with sample rates in excess of 15 kHz. This paper presents the bench top integration and testing of the digital auto alignment system beginning with a discussion as to the reason behind choosing a digital implementation, a opposed to a much simple analog implementation. A description of the error budget requirements of the HABE digital auto alignment loop follows. The components comprising the auto alignment loop, including mirror and processor hardware and software are described. Experimental objectives are presented with a description of the laboratory setup. Simulation models are constructed from component test data to aid in the development of the alignment system control architecture and discrete time

  7. Abstract Expression Grammar Symbolic Regression

    Science.gov (United States)

    Korns, Michael F.

    This chapter examines the use of Abstract Expression Grammars to perform the entire Symbolic Regression process without the use of Genetic Programming per se. The techniques explored produce a symbolic regression engine which has absolutely no bloat, which allows total user control of the search space and output formulas, which is faster, and more accurate than the engines produced in our previous papers using Genetic Programming. The genome is an all vector structure with four chromosomes plus additional epigenetic and constraint vectors, allowing total user control of the search space and the final output formulas. A combination of specialized compiler techniques, genetic algorithms, particle swarm, aged layered populations, plus discrete and continuous differential evolution are used to produce an improved symbolic regression sytem. Nine base test cases, from the literature, are used to test the improvement in speed and accuracy. The improved results indicate that these techniques move us a big step closer toward future industrial strength symbolic regression systems.

  8. ORDINAL REGRESSION FOR INFORMATION RETRIEVAL

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    This letter presents a new discriminative model for Information Retrieval (IR), referred to as Ordinal Regression Model (ORM). ORM is different from most existing models in that it views IR as ordinal regression problem (i.e. ranking problem) instead of binary classification. It is noted that the task of IR is to rank documents according to the user information needed, so IR can be viewed as ordinal regression problem. Two parameter learning algorithms for ORM are presented. One is a perceptron-based algorithm. The other is the ranking Support Vector Machine (SVM). The effectiveness of the proposed approach has been evaluated on the task of ad hoc retrieval using three English Text REtrieval Conference (TREC) sets and two Chinese TREC sets. Results show that ORM significantly outperforms the state-of-the-art language model approaches and OKAPI system in all test sets; and it is more appropriate to view IR as ordinal regression other than binary classification.

  9. Wrong Signs in Regression Coefficients

    Science.gov (United States)

    McGee, Holly

    1999-01-01

    When using parametric cost estimation, it is important to note the possibility of the regression coefficients having the wrong sign. A wrong sign is defined as a sign on the regression coefficient opposite to the researcher's intuition and experience. Some possible causes for the wrong sign discussed in this paper are a small range of x's, leverage points, missing variables, multicollinearity, and computational error. Additionally, techniques for determining the cause of the wrong sign are given.

  10. ISIR: Independent Sliced Inverse Regression

    OpenAIRE

    Li, Kevin

    2013-01-01

    International audience In this paper we consider a semiparametric regression model involving a $p$-dimensional explanatory variable ${\\mathbf{x}}$ and including a dimension reduction of ${\\mathbf{x}}$ via an index $B'{\\mathbf{x}}$. In this model, the main goal is to estimate $B$ and to predict the real response variable $Y$ conditionally to ${\\mathbf{x}}$. A standard approach is based on sliced inverse regression (SIR). We propose a new version of this method: the independent sliced invers...

  11. Regression methods for medical research

    CERN Document Server

    Tai, Bee Choo

    2013-01-01

    Regression Methods for Medical Research provides medical researchers with the skills they need to critically read and interpret research using more advanced statistical methods. The statistical requirements of interpreting and publishing in medical journals, together with rapid changes in science and technology, increasingly demands an understanding of more complex and sophisticated analytic procedures.The text explains the application of statistical models to a wide variety of practical medical investigative studies and clinical trials. Regression methods are used to appropriately answer the

  12. From Rasch scores to regression

    DEFF Research Database (Denmark)

    Christensen, Karl Bang

    2006-01-01

    Rasch models provide a framework for measurement and modelling latent variables. Having measured a latent variable in a population a comparison of groups will often be of interest. For this purpose the use of observed raw scores will often be inadequate because these lack interval scale propertie....... This paper compares two approaches to group comparison: linear regression models using estimated person locations as outcome variables and latent regression models based on the distribution of the score....

  13. Biplots in Reduced-Rank Regression

    NARCIS (Netherlands)

    Braak, ter C.J.F.; Looman, C.W.N.

    1994-01-01

    Regression problems with a number of related response variables are typically analyzed by separate multiple regressions. This paper shows how these regressions can be visualized jointly in a biplot based on reduced-rank regression. Reduced-rank regression combines multiple regression and principal c

  14. PI controller relay auto-tuning using delay and phase margin in PMSM drives

    Institute of Scientific and Technical Information of China (English)

    Wang Lina; Xiao Kun; Liliana de Lillo; Lee Empringham; Pat Wheeler

    2014-01-01

    This paper presents an auto-tuning method for a proportion plus integral (PI) controller for permanent magnet synchronous motor (PMSM) drives, which is supposed to be embedded in electro-mechanical actuator (EMA) control module in aircraft. The method, based on a relay feed-back with variable delay time, explores different critical points of the system frequency response. The Nyquist points of the plant can then be derived from the delay time and filter time constant. The coefficients of the PI controller can then be obtained by calculation while shifting the Nyquist point to a specific position to obtain the required phase margin. The major advantage of the auto-tuning method is that it can provide a series of tuning results for different system bandwidths and damping ratios, corresponding to the specification for delay time and phase margin. Simulation and experimental results for the PMSM controller verify the performance of both the current loop and the speed loop auto-tuning.

  15. PI controller relay auto-tuning using delay and phase margin in PMSM drives

    Directory of Open Access Journals (Sweden)

    Wang Lina

    2014-12-01

    Full Text Available This paper presents an auto-tuning method for a proportion plus integral (PI controller for permanent magnet synchronous motor (PMSM drives, which is supposed to be embedded in electro-mechanical actuator (EMA control module in aircraft. The method, based on a relay feedback with variable delay time, explores different critical points of the system frequency response. The Nyquist points of the plant can then be derived from the delay time and filter time constant. The coefficients of the PI controller can then be obtained by calculation while shifting the Nyquist point to a specific position to obtain the required phase margin. The major advantage of the auto-tuning method is that it can provide a series of tuning results for different system bandwidths and damping ratios, corresponding to the specification for delay time and phase margin. Simulation and experimental results for the PMSM controller verify the performance of both the current loop and the speed loop auto-tuning.

  16. AutoCAD教学方法探究

    Institute of Scientific and Technical Information of China (English)

    蔡明俨

    2013-01-01

    随着社会的发展,AutoCAD在各领域广泛应用,在机械制图中发挥重要作用,如何学好AutoCAD并在实际中运用,是中职学校中的一门必不可少的学科.文章提出应在AutoCAD教学中,讲究教学方法,让学生从理论到实践,学以致用.

  17. AutoCAD机械制图教学心得

    Institute of Scientific and Technical Information of China (English)

    白钰慧

    2013-01-01

      指出AutoCAD软件在目前工程设计领域广泛的应用,做为高校学生来说熟练掌握和应用AutoCAD技术是一种基础和技能,通过对AutoCAD的教学,将一些教学心得总结出来,希望对新学习CAD的人有所帮助。

  18. 浅谈AutoCAD的应用技巧

    Institute of Scientific and Technical Information of China (English)

    邢颖

    2013-01-01

    针对初学者不知如何系统地使用AutoCAD软件绘图,为了使初学者能快速地掌握和熟练运用AutoCAD软件绘图,本文根据多年的绘图经验,对初学者在学习、应用AutoCAD过程中可能出现的问题进行系列总结,从而为他们提供了解决的方法,以便提高绘图的质量及作图效率.

  19. A Successful Seminar on China Auto industry and International Market

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    Since January 2004, the sales of autos are slowing down. it is mature for the fast developing Chinese auto industry to go out to the international market. Meanwhile, the "early harvest" scheme is implemented in China and ASEAN Free Trade Area and the exchange visits of high-ranking officials are more frequently. After the ASEAN Business Meeting held in Malaysia this April, China-ASEAN Summit on Investment and Trade is to be held in Laos in November.In order to promote Chinese autos to go out cooperating...

  20. Analysis of Construction Drawing Based on AutoCAD%基于AutoCAD的建筑制图应用分析

    Institute of Scientific and Technical Information of China (English)

    游普元

    2011-01-01

    随着科技的飞速发展,AutoCAD的建筑制图在建筑领域得到了广泛的应用,并且受到了更多的关注.文章从建筑制图中AutoCAD的教学应用;AutoCAD的初始设置应用与AutoCAD制图设置应用以及AutoCAD在建筑制图中的技巧应用方面对AutoCAD的建筑制图应用进行了分析.

  1. Using VBA Technology to do the Second Development of AutoCAD%应用VBA技术进行AutoCAD二次开发

    Institute of Scientific and Technical Information of China (English)

    吴业红

    2009-01-01

    AutoCAD制图应用过程中,需要开发一些符合用户需求的AutoCAD工具.VBA是一种对AutoCAD进行二次开发的灵活手段.应用VBA技术控制在AutoCAD环境中绘图,探讨它在AutoCAD二次开发中,VBA程序语句设计的基本步骤、具体实现过程,达到绘制所需要AutoCAD图形的目的.

  2. 关于AutoCAD绘图方法与技巧的探讨

    Institute of Scientific and Technical Information of China (English)

    李秀凤

    2015-01-01

    通过多年使用AutoCAD,总结一些如AutoCAD和Excel互换、功能键巧妙使用、AutoCAD绘图和修改等能够快速绘图的方法与实用技巧,达到利用AutoCAD快速绘图的目的。

  3. 关于AutoCAD绘图加速的研究

    Institute of Scientific and Technical Information of China (English)

    王立伟; 廖福斌

    2003-01-01

    本文在多年AutoCAD绘图实践的基础上,提出了"合理使用AutoCAD提供的基本功能"和"定制AutoCAD"两类AutoCAD绘图加速的方法,并对其中的具体实现技术进行了详细阐述.

  4. Russia's China Year Embraces Chinese Auto to Russia——The 5th China Auto International Exhibition Tour

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    @@ 2007 was the Russia's China Year,and one of big events for the remarkable year was the 5th China Auto International (Russia) Exhibition Tour.The tour flamed up the Chinese heat in this Eastern European nation.In 2006,Russia ranked the first largest country that imported autos from China,an impressive leap from that of the 2005,which was only ranked 6th.Therefore,when the organizing committee decided that the 5th China Auto International Exhibition Tour would be held in Russia,many automakers showed great interests.

  5. The integration of geophysical and enhanced Moderate Resolution Imaging Spectroradiometer Normalized Difference Vegetation Index data into a rule-based, piecewise regression-tree model to estimate cheatgrass beginning of spring growth

    Science.gov (United States)

    Boyte, Stephen P.; Wylie, Bruce K.; Major, Donald J.; Brown, Jesslyn F.

    2015-01-01

    Cheatgrass exhibits spatial and temporal phenological variability across the Great Basin as described by ecological models formed using remote sensing and other spatial data-sets. We developed a rule-based, piecewise regression-tree model trained on 99 points that used three data-sets – latitude, elevation, and start of season time based on remote sensing input data – to estimate cheatgrass beginning of spring growth (BOSG) in the northern Great Basin. The model was then applied to map the location and timing of cheatgrass spring growth for the entire area. The model was strong (R2 = 0.85) and predicted an average cheatgrass BOSG across the study area of 29 March–4 April. Of early cheatgrass BOSG areas, 65% occurred at elevations below 1452 m. The highest proportion of cheatgrass BOSG occurred between mid-April and late May. Predicted cheatgrass BOSG in this study matched well with previous Great Basin cheatgrass green-up studies.

  6. Characterization of an Auto-Compatible Default Theory

    Institute of Scientific and Technical Information of China (English)

    XU DaoYun(许道云); DING DeCheng(丁德成); ZHANG MingYi(张明义)

    2003-01-01

    In this paper, an equivalence condition for deciding whether a default theory isan auto-compatible default one is presented. Under the condition, the existence of extension of anauto-compatible default theory is a natural result. By introducing a well-ordering over the set D ofdefault rules, the extensions of an auto-compatible default theory (D, W) can be computed directly.The condition represents clearly the characterization of an auto-compatible default theory, andsome properties about auto-compatible default theory, such as semi-monotonicity, become naturalcorollaries. Based on the characterization, the revision of default beliefs is discussed to ensure theexistence of extension of the default theory, and the method is applied to investigate stable modelsof a general logic program.

  7. Virtual Screening with AutoDock: Theory and Practice

    Science.gov (United States)

    Cosconati, Sandro; Forli, Stefano; Perryman, Alex L.; Harris, Rodney; Goodsell, David S.; Olson, Arthur J.

    2011-01-01

    Importance to the field Virtual screening is a computer-based technique for identifying promising compounds to bind to a target molecule of known structure. Given the rapidly increasing number of protein and nucleic acid structures, virtual screening continues to grow as an effective method for the discovery of new inhibitors and drug molecules. Areas covered in this review We describe virtual screening methods that are available in the AutoDock suite of programs, and several of our successes in using AutoDock virtual screening in pharmaceutical lead discovery. What the reader will gain A general overview of the challenges of virtual screening is presented, along with the tools available in the AutoDock suite of programs for addressing these challenges. Take home message Virtual screening is an effective tool for the discovery of compounds for use as leads in drug discovery, and the free, open source program AutoDock is an effective tool for virtual screening. PMID:21532931

  8. AutoCategorization for Customized Knowledge Portals Project

    Data.gov (United States)

    National Aeronautics and Space Administration — An AutoCategorizing Knowledge Management Engine ("AKM") will automate key capabilities for both human-human and human-agent collaboration tools in aerospace...

  9. DEPAS: A Decentralized Probabilistic Algorithm for Auto-Scaling

    CERN Document Server

    Calcavecchia, Nicolo M; Di Nitto, Elisabetta; Dubois, Daniel J; Petcu, Dana

    2012-01-01

    The dynamic provisioning of virtualized resources offered by cloud computing infrastructures allows applications deployed in a cloud environment to automatically increase and decrease the amount of used resources. This capability is called auto-scaling and its main purpose is to automatically adjust the scale of the system that is running the application to satisfy the varying workload with minimum resource utilization. The need for auto-scaling is particularly important during workload peaks, in which applications may need to scale up to extremely large-scale systems. Both the research community and the main cloud providers have already developed auto-scaling solutions. However, most research solutions are centralized and not suitable for managing large-scale systems, moreover cloud providers' solutions are bound to the limitations of a specific provider in terms of resource prices, availability, reliability, and connectivity. In this paper we propose DEPAS, a decentralized probabilistic auto-scaling algorit...

  10. MicroStation与AutoCAD的应用比较

    Institute of Scientific and Technical Information of China (English)

    何纯芳

    2013-01-01

    MicroStation与AutoCAD系统是两个同等级别、同等功能的大型通用图形软件包,目前被大量用于制作和管理各种基础地形图和专题图等.结合工作实际,对MicroStation与AutoCAD系统在工作中的应用作以简单比较.

  11. GPS technology to monitoring auto transport in Latvia

    Directory of Open Access Journals (Sweden)

    Victor Boicov

    2014-01-01

    Full Text Available This paper is the result of authors’ activities in the field of research and implementation of global positioning system (GPS technologies in the Latvian car industry. The subject of study is the characteristics of Latvian auto transport management. Topicality and importance of this issue are related with new GPS applications to auto transport monitoring. Principal practical application of this paper is reflected in the methodology developed by the authors in order to design, elaborate and introduce GPS systems.

  12. Auto-measuring System of 3- Dimensional Human Body

    Institute of Scientific and Technical Information of China (English)

    李勇; 尚保平; 付小莉; 尚会超

    2001-01-01

    To realize the automation of fashion industry measuring,designing and manufacturing, the auto-measurement of 3D size of human body is of great importance. The auto measurement system of 3D human body based on Charge Coupled Devices (CCD) and infrared sensors is presented in this paper. The system can measure the bare size of human body that excludes the effect of clothing quickly and accurately.

  13. Energy-efficient & Eco-friendly Autos Become the Focus

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ In the year of 2006, China produced and sold over 7.2 million automobiles, representing a year-on-year growth of more than 25%. In this regard, China has become the second largest market only to the U.S. for new autos. By the end of last year, the total amount of autos owned by China stood around 40 million, and it was predicted that this figure would roar to 70 million 3 years later.

  14. Five Ministries Jointly Regulates the Order of Auto Export

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    @@ Flive Ministries including the Ministry of Commerce, the National Development and Reform Commission(NDRC), China Customs, General Administration of Quality Supervision, Inspection and Quarantine, National Certification and Accreditation Administration jointly promulgated a notice on November 31, 2006, announcing that from March 1, 2007,to conduct the license administration on the export of autos (including passenger cars, commercial cars, chassis and full set of auto parts).

  15. ORM技术在AutoCAD中的应用

    Institute of Scientific and Technical Information of China (English)

    杨俊; 吴小平; 刘盾; 徐刚

    2014-01-01

    ORM(对象关系映射)是一种解决面向对象与关系数据库存在的互不匹配的现象的技术。本文将ORM技术用在AutoCAD的二次开发中,将实体对象关系持久化,使得AutoCAD的实体数据的存储方法更为简便。

  16. Interpretation of Standardized Regression Coefficients in Multiple Regression.

    Science.gov (United States)

    Thayer, Jerome D.

    The extent to which standardized regression coefficients (beta values) can be used to determine the importance of a variable in an equation was explored. The beta value and the part correlation coefficient--also called the semi-partial correlation coefficient and reported in squared form as the incremental "r squared"--were compared for variables…

  17. Survival Data and Regression Models

    Science.gov (United States)

    Grégoire, G.

    2014-12-01

    We start this chapter by introducing some basic elements for the analysis of censored survival data. Then we focus on right censored data and develop two types of regression models. The first one concerns the so-called accelerated failure time models (AFT), which are parametric models where a function of a parameter depends linearly on the covariables. The second one is a semiparametric model, where the covariables enter in a multiplicative form in the expression of the hazard rate function. The main statistical tool for analysing these regression models is the maximum likelihood methodology and, in spite we recall some essential results about the ML theory, we refer to the chapter "Logistic Regression" for a more detailed presentation.

  18. Information Processing in Auto-regulated Systems

    Directory of Open Access Journals (Sweden)

    Karl Javorszky

    2003-06-01

    Full Text Available Abstract: We present a model of information processing which is based on two concurrent ways of describing the world, where a description in one of the languages limits the possibilities for realisations in the other language. The two describing dimensions appear in our common sense as dichotomies of perspectives: subjective - objective; diversity - similarity; individual - collective. We abstract from the subjective connotations and treat the test theoretical case of an interval on which several concurrent categories can be introduced. We investigate multidimensional partitions as potential carriers of information and compare their efficiency to that of sequenced carriers. We regard the same assembly once as a contemporary collection, once as a longitudinal sequence and find promising inroads towards understanding information processing by auto-regulated systems. Information is understood to point out that what is the case from among alternatives, which could be the case. We have translated these ideas into logical operations on the set of natural numbers and have found two equivalence points on N where matches between sequential and commutative ways of presenting a state of the world can agree in a stable fashion: a flip-flop mechanism is envisioned. By following this new approach, a mathematical treatment of some poignant biomathematical problems is allowed. Also, the concepts presented in this treatise may well have relevance and applications within the information processing and the theory of language fields.

  19. Application of AutoCAD Electrical%AutoCAD Electrical的应用

    Institute of Scientific and Technical Information of China (English)

    范文军; 潘庆杰

    2011-01-01

    当前,AutoCAD Electrical技术以简单、快捷、存储方便等优点已在电气控制设计中承担着不可替代的重要作用.该技术的应用使工程设计人员如虎添翼,在更加广阔的天地里施展才华.本文中提出的五种方法,对利用该技术有效地提高绘制复杂图形的速度大有裨益.

  20. [Is regression of atherosclerosis possible?].

    Science.gov (United States)

    Thomas, D; Richard, J L; Emmerich, J; Bruckert, E; Delahaye, F

    1992-10-01

    Experimental studies have shown the regression of atherosclerosis in animals given a cholesterol-rich diet and then given a normal diet or hypolipidemic therapy. Despite favourable results of clinical trials of primary prevention modifying the lipid profile, the concept of atherosclerosis regression in man remains very controversial. The methodological approach is difficult: this is based on angiographic data and requires strict standardisation of angiographic views and reliable quantitative techniques of analysis which are available with image processing. Several methodologically acceptable clinical coronary studies have shown not only stabilisation but also regression of atherosclerotic lesions with reductions of about 25% in total cholesterol levels and of about 40% in LDL cholesterol levels. These reductions were obtained either by drugs as in CLAS (Cholesterol Lowering Atherosclerosis Study), FATS (Familial Atherosclerosis Treatment Study) and SCOR (Specialized Center of Research Intervention Trial), by profound modifications in dietary habits as in the Lifestyle Heart Trial, or by surgery (ileo-caecal bypass) as in POSCH (Program On the Surgical Control of the Hyperlipidemias). On the other hand, trials with non-lipid lowering drugs such as the calcium antagonists (INTACT, MHIS) have not shown significant regression of existing atherosclerotic lesions but only a decrease on the number of new lesions. The clinical benefits of these regression studies are difficult to demonstrate given the limited period of observation, relatively small population numbers and the fact that in some cases the subjects were asymptomatic. The decrease in the number of cardiovascular events therefore seems relatively modest and concerns essentially subjects who were symptomatic initially. The clinical repercussion of studies of prevention involving a single lipid factor is probably partially due to the reduction in progression and anatomical regression of the atherosclerotic plaque

  1. An Industry without Industrialization: the Political Economy of The Failure of Indonesia's Auto Industry

    OpenAIRE

    Tai, Wan-Ping

    2014-01-01

    The development of auto industry needs a series of related policies and conditions, including market, technology, management, basic infrastructure, etc. Several Southeast Asian countries are hoping to develop their auto industries in order to lead the development of other industries in their countries. Having the largest auto market in Southeast Asia, Indonesia is supposed to have more favorable conditions than Thailand and Malaysia on the development of auto industry. Unlike Malaysia's auto ...

  2. Assessment of deforestation using regression

    International Nuclear Information System (INIS)

    This work is devoted to the evaluation of deforestation using regression methods through software Idrisi Taiga. Deforestation is evaluated by the method of logistic regression. The dependent variable has discrete values '0' and '1', indicating that the deforestation occurred or not. Independent variables have continuous values, expressing the distance from the edge of the deforested areas of forests from urban areas, the river and the road network. The results were also used in predicting the probability of deforestation in subsequent periods. The result is a map showing the output probability of deforestation for the periods 1990/2000 and 200/2006 in accordance with predetermined coefficients (values of independent variables). (authors)

  3. Auto and crosscorrelograms for the spike response of LIF neurons with slow synapses

    CERN Document Server

    Moreno-Bote, Ruben

    2006-01-01

    An analytical description of the response properties of simple but realistic neuron models in the presence of noise is still lacking. We determine completely up to the second order the firing statistics of a single and a pair of leaky integrate-and-fire neurons (LIFs) receiving some common slowly filtered white noise. In particular, the auto- and cross-correlation functions of the output spike trains of pairs of cells are obtained from an improvement of the adiabatic approximation introduced in \\cite{Mor+04}. These two functions define the firing variability and firing synchronization between neurons, and are of much importance for understanding neuron communication.

  4. FBH1 Catalyzes Regression of Stalled Replication Forks

    DEFF Research Database (Denmark)

    Fugger, Kasper; Mistrik, Martin; Neelsen, Kai J;

    2015-01-01

    DNA replication fork perturbation is a major challenge to the maintenance of genome integrity. It has been suggested that processing of stalled forks might involve fork regression, in which the fork reverses and the two nascent DNA strands anneal. Here, we show that FBH1 catalyzes regression...... of a model replication fork in vitro and promotes fork regression in vivo in response to replication perturbation. Cells respond to fork stalling by activating checkpoint responses requiring signaling through stress-activated protein kinases. Importantly, we show that FBH1, through its helicase activity...... a model whereby FBH1 promotes early checkpoint signaling by remodeling of stalled DNA replication forks....

  5. 使用AutoCAD快速准确绘图经验谈%Quickly and Accurately Using the AutoCAD Drawing Experience

    Institute of Scientific and Technical Information of China (English)

    徐洪池

    2013-01-01

      AutoCAD software is an important tool for computer-aided design, but it is not easy to master for beginners, from how to improve the drawing speed and how accurate drawing two angles of an effective way to use AutoCAD, and share the learning and use of AutoCAD expe⁃rience the hope that helpful AutoCAD learners.%  AutoCAD软件是计算机辅助设计的重要工具,但对初学者并不易掌握,文章从如何提高绘图速度和如何准确绘图两个角度介绍了使用AutoCAD的有效方法,并分享了AutoCAD的学习和使用心得,希望对AutoCAD的学习者有所帮助。

  6. Jia Xinguang:Structural Adjustment Urged to Curb Auto Overproduction Interview with Jia Xinguang, Auto Expert of China National Radio

    Institute of Scientific and Technical Information of China (English)

    Sun Yongjian

    2007-01-01

    @@ Since its WTO Accession in 2001, China's national auto industry has made remarkable progress,especially in terms of export. However, some problems still exist. Importantly, the issues of overproduction and chaotic market competition need to be addressed.

  7. Set Out,Chinese Auto's Latin-American Tour!——The 7th China Auto International Exhibition Tour

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    @@ Since 1995,China Auto International Exhibition Tour has been held for six times in China,Vietnam,Cambodia,Syria,Russia,Algeria and other countries successfully,by forms of fixed exhibitions and exhibition tours.

  8. An asymmetric MOSFET-C band-pass filter with on-chip charge pump auto-tuning

    International Nuclear Information System (INIS)

    An asymmetric MOSFET-C band-pass filter (BPF) with on chip charge pump auto-tuning is presented. It is implemented in UMC (United Manufacturing Corporation) 0.18 μm CMOS process technology. The filter system with auto-tuning uses a master-slave technique for continuous tuning in which the charge pump outputs 2.663 V, much higher than the power supply voltage, to improve the linearity of the filter. The main filter with third order low-pass and second order high-pass properties is an asymmetric band-pass filter with bandwidth of 2.730-5.340 MHz. The in-band third order harmonic input intercept point (IIP3) is 16.621 dBm, with 50 Ω as the source impedance. The input referred noise is about 47.455 μVrms. The main filter dissipates 3.528 mW while the auto-tuning system dissipates 2.412 mW from a 1.8 V power supply. The filter with the auto-tuning system occupies 0.592 mm2 and it can be utilized in GPS (global positioning system) and Bluetooth systems. (semiconductor integrated circuits)

  9. An asymmetric MOSFET-C band-pass filter with on-chip charge pump auto-tuning

    Energy Technology Data Exchange (ETDEWEB)

    Chen Fangxiong; Ma Heping; Jia Hailong; Shi Yin [Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083 (China); Lin Min [Suzhou-CAS Semiconductors Integrated Technology Research Center, Suzhou 215021 (China); Dai, Forster, E-mail: fxchen@semi.ac.c [Department of Electrical and Computer Engineering, Auburn University, AL 36849 (United States)

    2009-08-15

    An asymmetric MOSFET-C band-pass filter (BPF) with on chip charge pump auto-tuning is presented. It is implemented in UMC (United Manufacturing Corporation) 0.18 {mu}m CMOS process technology. The filter system with auto-tuning uses a master-slave technique for continuous tuning in which the charge pump outputs 2.663 V, much higher than the power supply voltage, to improve the linearity of the filter. The main filter with third order low-pass and second order high-pass properties is an asymmetric band-pass filter with bandwidth of 2.730-5.340 MHz. The in-band third order harmonic input intercept point (IIP3) is 16.621 dBm, with 50 {Omega} as the source impedance. The input referred noise is about 47.455 {mu}V{sub rms}. The main filter dissipates 3.528 mW while the auto-tuning system dissipates 2.412 mW from a 1.8 V power supply. The filter with the auto-tuning system occupies 0.592 mm{sup 2} and it can be utilized in GPS (global positioning system) and Bluetooth systems. (semiconductor integrated circuits)

  10. 简述AutoCAD 2004二次开发工具%The Discussion about the Tools in the Secondary Development of AutoCAD2004

    Institute of Scientific and Technical Information of China (English)

    吴成军

    2009-01-01

    文章对AutoCAD 2004的二次开发工具进行了较为详细的介绍,并对AutoCAD 2004各种二次开发工具的特点进行了分析和比较.为AutoCAD 2004软件使用者进行基于AutoCAD 2004进行二次开发提供了有益的参考.

  11. Ridge Regression for Interactive Models.

    Science.gov (United States)

    Tate, Richard L.

    1988-01-01

    An exploratory study of the value of ridge regression for interactive models is reported. Assuming that the linear terms in a simple interactive model are centered to eliminate non-essential multicollinearity, a variety of common models, representing both ordinal and disordinal interactions, are shown to have "orientations" that are favorable to…

  12. Regression of lumbar disk herniation

    Directory of Open Access Journals (Sweden)

    G. Yu Evzikov

    2015-01-01

    Full Text Available Compression of the spinal nerve root, giving rise to pain and sensory and motor disorders in the area of its innervation is the most vivid manifestation of herniated intervertebral disk. Different treatment modalities, including neurosurgery, for evolving these conditions are discussed. There has been recent evidence that spontaneous regression of disk herniation can regress. The paper describes a female patient with large lateralized disc extrusion that has caused compression of the nerve root S1, leading to obvious myotonic and radicular syndrome. Magnetic resonance imaging has shown that the clinical manifestations of discogenic radiculopathy, as well myotonic syndrome and morphological changes completely regressed 8 months later. The likely mechanism is inflammation-induced resorption of a large herniated disk fragment, which agrees with the data available in the literature. A decision to perform neurosurgery for which the patient had indications was made during her first consultation. After regression of discogenic radiculopathy, there was only moderate pain caused by musculoskeletal diseases (facet syndrome, piriformis syndrome that were successfully eliminated by minimally invasive techniques. 

  13. ERM Scheme for Quantile Regression

    Directory of Open Access Journals (Sweden)

    Dao-Hong Xiang

    2013-01-01

    Full Text Available This paper considers the ERM scheme for quantile regression. We conduct error analysis for this learning algorithm by means of a variance-expectation bound when a noise condition is satisfied for the underlying probability measure. The learning rates are derived by applying concentration techniques involving the ℓ2-empirical covering numbers.

  14. On Weighted Support Vector Regression

    DEFF Research Database (Denmark)

    Han, Xixuan; Clemmensen, Line Katrine Harder

    2014-01-01

    We propose a new type of weighted support vector regression (SVR), motivated by modeling local dependencies in time and space in prediction of house prices. The classic weights of the weighted SVR are added to the slack variables in the objective function (OF‐weights). This procedure directly...

  15. Growth Regression and Economic Theory

    NARCIS (Netherlands)

    Elbers, Chris; Gunning, Jan Willem

    2002-01-01

    In this note we show that the standard, loglinear growth regression specificationis consistent with one and only one model in the class of stochastic Ramsey models. Thismodel is highly restrictive: it requires a Cobb-Douglas technology and a 100% depreciationrate and it implies that risk does not af

  16. Fuzzy linear regression forecasting models

    Institute of Scientific and Technical Information of China (English)

    吴冲; 惠晓峰; 朱洪文

    2002-01-01

    The fuzzy linear regression forecasting model is deduced from the symmetric triangular fuzzy number.With the help of the degree of fitting and the measure of fuzziness, the determination of symmetric triangularfuzzy numbers is changed into a problem of solving linear programming.

  17. Heteroscedasticity checks for regression models

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    For checking on heteroscedasticity in regression models, a unified approach is proposed to constructing test statistics in parametric and nonparametric regression models. For nonparametric regression, the test is not affected sensitively by the choice of smoothing parameters which are involved in estimation of the nonparametric regression function. The limiting null distribution of the test statistic remains the same in a wide range of the smoothing parameters. When the covariate is one-dimensional, the tests are, under some conditions, asymptotically distribution-free. In the high-dimensional cases, the validity of bootstrap approximations is investigated. It is shown that a variant of the wild bootstrap is consistent while the classical bootstrap is not in the general case, but is applicable if some extra assumption on conditional variance of the squared error is imposed. A simulation study is performed to provide evidence of how the tests work and compare with tests that have appeared in the literature. The approach may readily be extended to handle partial linear, and linear autoregressive models.

  18. Auto-Ignition and Heat Release Correlations for Controlled Auto-Ignition Combustion in Gasoline Engines

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Auto-ignition and heat release correlations for controlled auto-ignition (CAI) combustion were derived from extensive in-cylinder pressure data of a four-stroke gasoline engine operating in CAI combustion mode. Abundant experiments were carried out under a wide range of air/fuel ratio,speed and residual gas fraction to ensure that the combustion correlations can be used in the entire CAI engine operation range. Furthermore, a more accurate method to compute the residual gas fraction was proposed by calculating the working fluid temperature at the exhaust valve close timing in the experiments. The heat release correlation was described in two parts, one is for the first slower heat release process at low temperature, and the other is for the second faster heat release process at high temperature. Finally the heat release correlation was evaluated on the single cylinder gasoline engine running with CAI combustion by comparing the experimental data with the 1-D engine simulation results obtained with the aid of the GT-Power simulation program. The results show that the predicted loads and ignition timings match closely with the measurements.

  19. Logistic regression: a brief primer.

    Science.gov (United States)

    Stoltzfus, Jill C

    2011-10-01

    Regression techniques are versatile in their application to medical research because they can measure associations, predict outcomes, and control for confounding variable effects. As one such technique, logistic regression is an efficient and powerful way to analyze the effect of a group of independent variables on a binary outcome by quantifying each independent variable's unique contribution. Using components of linear regression reflected in the logit scale, logistic regression iteratively identifies the strongest linear combination of variables with the greatest probability of detecting the observed outcome. Important considerations when conducting logistic regression include selecting independent variables, ensuring that relevant assumptions are met, and choosing an appropriate model building strategy. For independent variable selection, one should be guided by such factors as accepted theory, previous empirical investigations, clinical considerations, and univariate statistical analyses, with acknowledgement of potential confounding variables that should be accounted for. Basic assumptions that must be met for logistic regression include independence of errors, linearity in the logit for continuous variables, absence of multicollinearity, and lack of strongly influential outliers. Additionally, there should be an adequate number of events per independent variable to avoid an overfit model, with commonly recommended minimum "rules of thumb" ranging from 10 to 20 events per covariate. Regarding model building strategies, the three general types are direct/standard, sequential/hierarchical, and stepwise/statistical, with each having a different emphasis and purpose. Before reaching definitive conclusions from the results of any of these methods, one should formally quantify the model's internal validity (i.e., replicability within the same data set) and external validity (i.e., generalizability beyond the current sample). The resulting logistic regression model

  20. Vybrané problémy marketingové strategie ŠKODA AUTO a.s.

    OpenAIRE

    Češková, Lenka

    2008-01-01

    Škoda Auto is one of the most important companies in the Czech Republic. The company not only sells cars, but also provides services, sells Škoda Genuine Parts and Škoda Genuine Accessories. Customers know services as Škoda Service. All these aftersales activities are integral part of the brand. Master thesis put emphasis on external communication of Škoda Service. Master thesis describes external communication and proposes new communication methods.

  1. Regression Verification Using Impact Summaries

    Science.gov (United States)

    Backes, John; Person, Suzette J.; Rungta, Neha; Thachuk, Oksana

    2013-01-01

    Regression verification techniques are used to prove equivalence of syntactically similar programs. Checking equivalence of large programs, however, can be computationally expensive. Existing regression verification techniques rely on abstraction and decomposition techniques to reduce the computational effort of checking equivalence of the entire program. These techniques are sound but not complete. In this work, we propose a novel approach to improve scalability of regression verification by classifying the program behaviors generated during symbolic execution as either impacted or unimpacted. Our technique uses a combination of static analysis and symbolic execution to generate summaries of impacted program behaviors. The impact summaries are then checked for equivalence using an o-the-shelf decision procedure. We prove that our approach is both sound and complete for sequential programs, with respect to the depth bound of symbolic execution. Our evaluation on a set of sequential C artifacts shows that reducing the size of the summaries can help reduce the cost of software equivalence checking. Various reduction, abstraction, and compositional techniques have been developed to help scale software verification techniques to industrial-sized systems. Although such techniques have greatly increased the size and complexity of systems that can be checked, analysis of large software systems remains costly. Regression analysis techniques, e.g., regression testing [16], regression model checking [22], and regression verification [19], restrict the scope of the analysis by leveraging the differences between program versions. These techniques are based on the idea that if code is checked early in development, then subsequent versions can be checked against a prior (checked) version, leveraging the results of the previous analysis to reduce analysis cost of the current version. Regression verification addresses the problem of proving equivalence of closely related program

  2. Improved Water Network Macroscopic Model Utilising Auto-Control Adjusting Valve by PLS

    Institute of Scientific and Technical Information of China (English)

    LI Xia; ZHAO Xinhua; WANG Xiaodong

    2005-01-01

    In order to overcome the low precision and weak applicability problems of the current municipal water network state simulation model, the water network structure is studied. Since the telemetry system has been applied increasingly in the water network, and in order to reflect the network operational condition more accurately, a new water network macroscopic model is developed by taking the auto-control adjusting valve opening state into consideration. Then for highly correlated or collinear independent variables in the model, the partial least squares (PLS) regression method provides a model solution which can distinguish between the system information and the noisy data. Finally, a hypothetical water network is introduced for validating the model. The simulation results show that the relative error is less than 5.2%, indicating that the model is efficient and feasible, and has better generalization performance.

  3. Various Methods for Constructing Auto-Backlund Transformations for a Generalized Variable-Coefficient Korteweg-de Vries Model from Plasmas and Fluid Dynamics

    Institute of Scientific and Technical Information of China (English)

    MA Hong-Cai; ZHANG Chun-Yi; LOU Sen-Yue; GAO Yi-Tian; DENG Ai-Ping; XU Tao; LI Li-Li; SUN Fu-Wei; LI Juan; MENG Xiang-Hua; WEI Guang-Mei

    2008-01-01

    In this paper, under the Painlevé-integrable condition, the auto-Backlund transformations in different forms for a variable-coeFficient Korteweg-de Vries model with physical interests are obtained through various methods including balancing-act method is testified.

  4. Heteroscedasticity checks for regression models

    Institute of Scientific and Technical Information of China (English)

    ZHU; Lixing

    2001-01-01

    [1]Carroll, R. J., Ruppert, D., Transformation and Weighting in Regression, New York: Chapman and Hall, 1988.[2]Cook, R. D., Weisberg, S., Diagnostics for heteroscedasticity in regression, Biometrika, 1988, 70: 1—10.[3]Davidian, M., Carroll, R. J., Variance function estimation, J. Amer. Statist. Assoc., 1987, 82: 1079—1091.[4]Bickel, P., Using residuals robustly I: Tests for heteroscedasticity, Ann. Statist., 1978, 6: 266—291.[5]Carroll, R. J., Ruppert, D., On robust tests for heteroscedasticity, Ann. Statist., 1981, 9: 205—209.[6]Eubank, R. L., Thomas, W., Detecting heteroscedasticity in nonparametric regression, J. Roy. Statist. Soc., Ser. B, 1993, 55: 145—155.[7]Diblasi, A., Bowman, A., Testing for constant variance in a linear model, Statist. and Probab. Letters, 1997, 33: 95—103.[8]Dette, H., Munk, A., Testing heteoscedasticity in nonparametric regression, J. R. Statist. Soc. B, 1998, 60: 693—708.[9]Müller, H. G., Zhao, P. L., On a semi-parametric variance function model and a test for heteroscedasticity, Ann. Statist., 1995, 23: 946—967.[10]Stute, W., Manteiga, G., Quindimil, M. P., Bootstrap approximations in model checks for regression, J. Amer. Statist. Asso., 1998, 93: 141—149.[11]Stute, W., Thies, G., Zhu, L. X., Model checks for regression: An innovation approach, Ann. Statist., 1998, 26: 1916—1939.[12]Shorack, G. R., Wellner, J. A., Empirical Processes with Applications to Statistics, New York: Wiley, 1986.[13]Efron, B., Bootstrap methods: Another look at the jackknife, Ann. Statist., 1979, 7: 1—26.[14]Wu, C. F. J., Jackknife, bootstrap and other re-sampling methods in regression analysis, Ann. Statist., 1986, 14: 1261—1295.[15]H rdle, W., Mammen, E., Comparing non-parametric versus parametric regression fits, Ann. Statist., 1993, 21: 1926—1947.[16]Liu, R. Y., Bootstrap procedures under some non-i.i.d. models, Ann. Statist., 1988, 16: 1696—1708.[17

  5. The Standard Error of Regressions

    OpenAIRE

    Deirdre N. McCloskey; Stephen T. Ziliak

    1996-01-01

    Statistical significance as used in economics has weak theoretical justification. In particular it merges statistical and substantive significance. The 182 papers using regression analysis in the American Economic Review in the 1980s were tested against 19 criteria for the accepted use of statistical significance. Most, some three-quarters of the papers, did poorly. Likewise, textbooks in econometrics do not distinguish statistical and economic significance. Statistical significance should no...

  6. Functional linear regression with derivatives

    OpenAIRE

    Mas, André; Pumo, Besnik

    2006-01-01

    International audience We introduce a new model of linear regression for random functional inputs taking into account the first order derivative of the data. We propose an estimation method which comes down to solving a special linear inverse problem. Our procedure tackles the problem through a double and synchronized penalization. An asymptotic expansion of the mean square prevision error is given. The model and the method are applied to a benchmark dataset of spectrometric curves and com...

  7. Robust nonlinear regression in applications

    OpenAIRE

    Lim, Changwon; Sen, Pranab K.; Peddada, Shyamal D.

    2013-01-01

    Robust statistical methods, such as M-estimators, are needed for nonlinear regression models because of the presence of outliers/influential observations and heteroscedasticity. Outliers and influential observations are commonly observed in many applications, especially in toxicology and agricultural experiments. For example, dose response studies, which are routinely conducted in toxicology and agriculture, sometimes result in potential outliers, especially in the high dose gr...

  8. 应用VBA技术进行AutoCAD二次开发

    Institute of Scientific and Technical Information of China (English)

    吴业红

    2009-01-01

    AutoCAD制图应用过程中,需要开发一些符合用户需求的AutoCAD工具。VBA是一种对AutoCAD进行二次开发的灵活手段、应用VBA技术控制在AutoCAD环境中绘图,探讨它在AutoCAD二次开发中,VBA程序语句设计的基本步骤、具体实现过程.达到绘制所需要AutoCAD图形的目的.

  9. 关于AutoCAD常用英语词汇的研究

    Institute of Scientific and Technical Information of China (English)

    杨宁飞

    2006-01-01

    使用AutoCAD软件时经常接触到一些英语词汇,掌握这些词汇有助于提高AutoCAD绘图水平,拓展土木工程专业词汇.文章第一部分研究AutoCAD窗口英语词汇;第二部分研究AutoCAD基本命令英语词汇;第三部分研究AutoCAD常用辅助命令英语词汇;最后论述AutoCAD常用英语词汇翻译体会.

  10. 基于SaaS模式的Web AutoCAD系统实现%Implementation of web AutoCAD system based on SaaS

    Institute of Scientific and Technical Information of China (English)

    石震; 翁楚良; 李明禄

    2011-01-01

    针对AutoCAD的使用特点和编程接口,将软件即服务的模式应用于传统的AutoCAD软件,构建了基于Web服技术基础的Web AutoCAD系统,并阐述了系统的架构及具体实现技术.该系统将AutoCAD的功能和编程接口封装抽象为Web服务,使远程用户不需要在本地安装AutoCAD软件,通过浏览器就可以使用AutoCAD软件.原型系统测试结果表明,该系统具有较好的操作响应时间和执行效率.%The concept of "software as a service" is applied to traditional AutoCAD software to build a web AutoCAD system, which is based on the web service technology. The system structure and implementation technique is also discussed. This system combines and transfers AutoCAD' s function and application interface into a form of web service, so as to the remote users could utilize the function of AutoCAD software without a AutoCAD on their local computer but only relying on an internet browser. Experiments show that the system has a short latency and high efficiency.

  11. AutoCAD electrical 2013 for electrical control designers

    CERN Document Server

    Tickoo, Sham; CADCIM Technologies

    2013-01-01

    The AutoCAD Electrical 2013 for Electrical Control Designers textbook has been written to assist the engineering students and the practicing designers learn the application of various AutoCAD Electrical tools and options for creating electrical control designs. After reading this textbook, the users will be able to create professional electrical-control drawings easily and effectively. Moreover, the users will be able to automate various control engineering tasks such as building circuits, numbering wires, creating bills of materials, and many more. The textbook takes the users across a wide spectrum of electrical control drawings through progressive examples and numerous illustrations and exercises, thereby making it an ideal guide for both the novice and the advanced users. Salient Features of the Textbook Consists of 14 chapters that are organized in a pedagogical sequence covering various tools and features of AutoCAD Electrical such as schematic drawings, parametric and non-parametric PLC modules, Circu...

  12. Art of Innovation——Auto Shanghai 2009

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    @@ As one of the important global automotive industry events that are worthiest of being participated in and devoted into in 2009,The 13th International Automobile & Manufacturing Technology Exhibition ("Auto Shanghai 2009") themed on "Art of Innovation" will take place April.2228,2009 at the Shanghai New International Exhibition Centre with a brand new vision. According to latest statistics report of China Association of Automobile Manufacturers,the automotive industry keeps on the fast development track.The output and sales volume of 2007 are increased by 22.02% and 21.84%,respectively,which both achieve the new highest record in history while the output is expected to exceed 10 million in 2008.China is expected to become the second largest auto manufacturing country and second largest auto market in the world.

  13. Finite Element Meshes Auto-Generation for the Welted Bifurcation

    Institute of Scientific and Technical Information of China (English)

    YUANMei; LIYa-ping

    2004-01-01

    In this paper, firstly, a mathematical model for a specific kind of welted bifurcation is established, the parametric equation for the intersecting curve is resulted in. Secondly, a method for partitioning finite element meshes of the welted bifurcation is put forward, its main idea is that developing the main pipe surface and the branch pipe surface respectively, dividing meshes on each developing plane and obtaining meshes points, then transforming their plane coordinates into space coordinates. Finally, an applied program for finite element meshes auto-generation is simply introduced, which adopt ObjectARX technique and its running result can be shown in AutoCAD. The meshes generated in AutoCAD can be exported conveniently to most of finite element analysis soft wares, and the finite element computing result can satisfy the engineering precision requirement.

  14. A Generalized Framework for Auto-tuning Stencil Computations

    Energy Technology Data Exchange (ETDEWEB)

    Kamil, Shoaib; Chan, Cy; Williams, Samuel; Oliker, Leonid; Shalf, John; Howison, Mark; Bethel, E. Wes; Prabhat,

    2009-05-01

    This work introduces a generalized framework for automatically tuning stencil computations to achieve superior performance on a broad range of multicore architectures. Stencil (nearest-neighbor) based kernels constitute the core of many important scientific applications involving block-structured grids. Auto-tuning systems search over optimization strategies to find the combination of tunable parameters that maximizes computational efficiency for a given algorithmic kernel. Although the auto-tuning strategy has been successfully applied to libraries, generalized stencil kernels are not amenable to packaging as libraries. Studied kernels in this work include both memory-bound kernels as well as a computation-bound bilateral filtering kernel. We introduce a generalized stencil auto-tuning framework that takes a straightforward Fortran expression of a stencil kernel and automatically generates tuned implementations of the kernel in C or Fortran to achieve performance portability across diverse computer architectures.

  15. FBH1 Catalyzes Regression of Stalled Replication Forks

    Directory of Open Access Journals (Sweden)

    Kasper Fugger

    2015-03-01

    Full Text Available DNA replication fork perturbation is a major challenge to the maintenance of genome integrity. It has been suggested that processing of stalled forks might involve fork regression, in which the fork reverses and the two nascent DNA strands anneal. Here, we show that FBH1 catalyzes regression of a model replication fork in vitro and promotes fork regression in vivo in response to replication perturbation. Cells respond to fork stalling by activating checkpoint responses requiring signaling through stress-activated protein kinases. Importantly, we show that FBH1, through its helicase activity, is required for early phosphorylation of ATM substrates such as CHK2 and CtIP as well as hyperphosphorylation of RPA. These phosphorylations occur prior to apparent DNA double-strand break formation. Furthermore, FBH1-dependent signaling promotes checkpoint control and preserves genome integrity. We propose a model whereby FBH1 promotes early checkpoint signaling by remodeling of stalled DNA replication forks.

  16. Non-contact video-based vital sign monitoring using ambient light and auto-regressive models.

    OpenAIRE

    Tarassenko, L; Villarroel, M; Guazzi, A; Jorge, J; Clifton, DA; Pugh, C.

    2014-01-01

    Remote sensing of the reflectance photoplethysmogram using a video camera typically positioned 1 m away from the patient's face is a promising method for monitoring the vital signs of patients without attaching any electrodes or sensors to them. Most of the papers in the literature on non-contact vital sign monitoring report results on human volunteers in controlled environments. We have been able to obtain estimates of heart rate and respiratory rate and preliminary results on changes in oxy...

  17. AutoGate: automating analysis of flow cytometry data.

    Science.gov (United States)

    Meehan, Stephen; Walther, Guenther; Moore, Wayne; Orlova, Darya; Meehan, Connor; Parks, David; Ghosn, Eliver; Philips, Megan; Mitsunaga, Erin; Waters, Jeffrey; Kantor, Aaron; Okamura, Ross; Owumi, Solomon; Yang, Yang; Herzenberg, Leonard A; Herzenberg, Leonore A

    2014-05-01

    Nowadays, one can hardly imagine biology and medicine without flow cytometry to measure CD4 T cell counts in HIV, follow bone marrow transplant patients, characterize leukemias, etc. Similarly, without flow cytometry, there would be a bleak future for stem cell deployment, HIV drug development and full characterization of the cells and cell interactions in the immune system. But while flow instruments have improved markedly, the development of automated tools for processing and analyzing flow data has lagged sorely behind. To address this deficit, we have developed automated flow analysis software technology, provisionally named AutoComp and AutoGate. AutoComp acquires sample and reagent labels from users or flow data files, and uses this information to complete the flow data compensation task. AutoGate replaces the manual subsetting capabilities provided by current analysis packages with newly defined statistical algorithms that automatically and accurately detect, display and delineate subsets in well-labeled and well-recognized formats (histograms, contour and dot plots). Users guide analyses by successively specifying axes (flow parameters) for data subset displays and selecting statistically defined subsets to be used for the next analysis round. Ultimately, this process generates analysis "trees" that can be applied to automatically guide analyses for similar samples. The first AutoComp/AutoGate version is currently in the hands of a small group of users at Stanford, Emory and NIH. When this "early adopter" phase is complete, the authors expect to distribute the software free of charge to .edu, .org and .gov users.

  18. Instant Autodesk AutoCAD 2014 customization with .NET

    CERN Document Server

    Nelson, Tom

    2013-01-01

    Filled with practical, step-by-step instructions and clear explanations for the most important and useful tasks. An instruction-based guide with examples written in the C# programming language. VB.NET programmers can also take advantage of these examples by using one of the free conversion websites to convert the examples to VB.NET.Clear, step-by-step instructions and complete code examples illustrate the processes, making it easy to develop your own custom AutoCAD tools.This book is perfect if you are interested in customizing AutoCAD 2014 using the .NET API. You should have a basic familiari

  19. Auto-Clustering using Particle Swarm Optimization and Bacterial Foraging

    DEFF Research Database (Denmark)

    Rutkowski Olesen, Jakob; Cordero, Jorge; Zeng, Yifeng

    2009-01-01

    This paper presents a hybrid approach for clustering based on particle swarm optimization (PSO) and bacteria foraging algorithms (BFA). The new method AutoCPB (Auto-Clustering based on particle bacterial foraging) makes use of autonomous agents whose primary objective is to cluster chunks of data...... by using simplistic collaboration. Inspired by the advances in clustering using particle swarm optimization, we suggest further improvements. Moreover, we gathered standard benchmark datasets and compared our new approach against the standard K-means algorithm, obtaining promising results. Our hybrid...

  20. STUDY CONCERNING CUSTOMERS’ LOYALTY IN THE AUTO MARKET

    Directory of Open Access Journals (Sweden)

    Tudor NISTORESCU

    2013-11-01

    Full Text Available In this paper we made an analysis of the loyalty in the auto market. We selected a sample from the residents of Craiova and asked them about their intentions concerning satisfaction, repurchase and recommendation regarding their cars. We used as auto market as the base of our study, since the car industry is very attractive to customers. We documented some correlation among the three dimensions of the loyalty. At the applicative level we found out that the loyalty toward the German cars is much higher than the loyalty for the cars from other countries. Further studies are needed to investigate the complex dimensions of the loyalty in-depth.

  1. 没有AutoCAD,照样玩转DWG

    Institute of Scientific and Technical Information of China (English)

    何一苇

    2010-01-01

    不安装AutoCAD,当然无法查看DWG格式的图纸,可为看几张图纸就安装庞大的AutoCAD,实在有点牛刀杀鸡的感觉。有此需要的朋友,不妨试试DwgSee Plus这款小软件,它不仅能以图形平移、全屏、缩放等方式查看DWG格式的文件

  2. Dentists versus auto mechanics: are there ethical differences?

    Science.gov (United States)

    Riley, Crystal

    2013-01-01

    The different ethical perspectives of dentists and auto mechanics include primary concern, billing procedures, advertising, emergency care, the level of autonomy granted to their patients/ clients, the amount of disclosure given to their patients/clients, the ability to judge the work of others, and the freedom to pursue romantic relationships with their patients/clients. In analyzing these differences, one finds dentists to have much greater ethical obligations than auto mechanics. There are subtle differences between the ethical expectations of Canadian and United States dentists.

  3. Innovation lab ŠKODA AUTO a.s.

    OpenAIRE

    Prchal, Vojtěch

    2016-01-01

    This bachelor thesis introduces innovation lab issues, mentions actual information about innovation, innovation labs and the process of its realization in co-operation with ŠKODA AUTO a. s. Innovation labs are often a discussed topic in the business world lately and some prestigious companies have been running innovation labs already. According to the position of ŠKODA AUTO a. s. on the market and the absence of realised innovation labs in companies, this bachelor thesis might be benefitial f...

  4. The Last Western Flyer: The Western Auto Century

    OpenAIRE

    Marchman, James

    2004-01-01

    A treasure trove of pictures and history, The Last Western Flyer chronicles one of the most successful small town franchise operations in 20th Century America, Western Auto. It grew from humble beginnings as a penny mailer sent from the kitchen of a Kansas City home to over 5,000 retail outlets under its Circle Arrow signs. Western Auto brought everything from tires, spark plugs, socks, vitamin pills, fishing lures, radios and more, including its famous Western Flyer bikes to America’s major ...

  5. Credit Scoring Problem Based on Regression Analysis

    OpenAIRE

    Khassawneh, Bashar Suhil Jad Allah

    2014-01-01

    ABSTRACT: This thesis provides an explanatory introduction to the regression models of data mining and contains basic definitions of key terms in the linear, multiple and logistic regression models. Meanwhile, the aim of this study is to illustrate fitting models for the credit scoring problem using simple linear, multiple linear and logistic regression models and also to analyze the found model functions by statistical tools. Keywords: Data mining, linear regression, logistic regression....

  6. Auto-associative segmentation for real-time object recognition in realistic outdoor images

    Science.gov (United States)

    Estevez, Leonardo W.; Kehtarnavaz, Nasser D.

    1998-04-01

    As digital signal processors (DSPs) become more advanced, many real-time recognition problems will be solved with completely integrated solutions. In this paper a methodology which is designed for today's DSP architectures and is capable of addressing applications in real-time color object recognition is presented. The methodology is integrated into a processing structure called raster scan video processing which requires a small amount of memory. The small amount of memory required enables the entire recognition system to be implemented on a single DSP. This auto-associative segmentation approach provides a means for desaturated color images to be segmented. The system is applied to the problem of stop sign recognition is realistically captured outdoor images.

  7. Horses Auto-Recruit Their Lungs by Inspiratory Breath Holding Following Recovery from General Anaesthesia.

    Directory of Open Access Journals (Sweden)

    Martina Mosing

    Full Text Available This study evaluated the breathing pattern and distribution of ventilation in horses prior to and following recovery from general anaesthesia using electrical impedance tomography (EIT. Six horses were anaesthetised for 6 hours in dorsal recumbency. Arterial blood gas and EIT measurements were performed 24 hours before (baseline and 1, 2, 3, 4, 5 and 6 hours after horses stood following anaesthesia. At each time point 4 representative spontaneous breaths were analysed. The percentage of the total breath length during which impedance remained greater than 50% of the maximum inspiratory impedance change (breath holding, the fraction of total tidal ventilation within each of four stacked regions of interest (ROI (distribution of ventilation and the filling time and inflation period of seven ROI evenly distributed over the dorso-ventral height of the lungs were calculated. Mixed effects multi-linear regression and linear regression were used and significance was set at p<0.05. All horses demonstrated inspiratory breath holding until 5 hours after standing. No change from baseline was seen for the distribution of ventilation during inspiration. Filling time and inflation period were more rapid and shorter in ventral and slower and longer in most dorsal ROI compared to baseline, respectively. In a mixed effects multi-linear regression, breath holding was significantly correlated with PaCO2 in both the univariate and multivariate regression. Following recovery from anaesthesia, horses showed inspiratory breath holding during which gas redistributed from ventral into dorsal regions of the lungs. This suggests auto-recruitment of lung tissue which would have been dependent and likely atelectic during anaesthesia.

  8. 基于AutoCAD的建筑制图应用分析%Analysis of construction drawing based on AutoCAD

    Institute of Scientific and Technical Information of China (English)

    杨小玉

    2014-01-01

    Because of the rapid development of science and technology,AutoCAD construction drawings are widely used in the construction field,and more and more social attention.This paper briefly introduces theapplication of AutoCAD in the construction of teaching in the drawing,and then introduced the set AutoCAD initialapplication and set the application of AutoCAD drawing,finally has made the comprehensive analysis of the skills used in architectural drawing in AutoCAD.%由于科学技术的迅猛发展,AutoCAD的建筑制图也广泛运用于建筑领域,而且越来越受社会所重视。文章首先简要介绍了AutoCAD在建筑制图中的教学应用,然后介绍了AutoCAD的初始设置应用以及AutoCAD制图的设置应用,最后对AutoCAD在建筑制图中的技巧应用做出了全面的分析。

  9. 基于AutoCAD的建筑制图应用分析%Analysis of construction drawing based on AutoCAD

    Institute of Scientific and Technical Information of China (English)

    杨小玉

    2014-01-01

    由于科学技术的迅猛发展,AutoCAD的建筑制图也广泛运用于建筑领域,而且越来越受社会所重视。文章首先简要介绍了AutoCAD在建筑制图中的教学应用,然后介绍了AutoCAD的初始设置应用以及AutoCAD制图的设置应用,最后对AutoCAD在建筑制图中的技巧应用做出了全面的分析。%Because of the rapid development of science and technology,AutoCAD construction drawings are widely used in the construction field,and more and more social attention.This paper briefly introduces theapplication of AutoCAD in the construction of teaching in the drawing,and then introduced the set AutoCAD initialapplication and set the application of AutoCAD drawing,finally has made the comprehensive analysis of the skills used in architectural drawing in AutoCAD.

  10. AutoCAD在园林制图中的应用

    Institute of Scientific and Technical Information of China (English)

    刘光辉

    2015-01-01

    编辑和图形绘制功能较为强大的AutoCAD在园林制图中应用较广。本文简要探讨了AutoCAD应用于园林制图的方法,并描述了AutoCAD的应用例子和实际效果,最后指出AutoCAD在园林制图中的缺陷和优势。

  11. 高职院校AutoCAD教学方法研究

    Institute of Scientific and Technical Information of China (English)

    杨謦

    2011-01-01

    高职院校AutoCAD课程的教师要积极探索有效的教学方法,改进AutoCAD教学效果,培养学生的专业能力.本文分析了AutoCAD教学现状,开发了有效的AutoCAD教学方法。

  12. AutoCAD地形图的三维可视化研究

    Institute of Scientific and Technical Information of China (English)

    魏新永

    2014-01-01

    本文主要围绕着AutoCAD绘图软件,分析了AutoCAD的主要功能和优点,并具体论述了AutoCAD绘图软件的使用技巧,在此基础上,进一步结合实例,分析了AutoCAD地形图的三维可视化制作过程。

  13. 利用AutoCAD绘制三角函数的图象

    Institute of Scientific and Technical Information of China (English)

    张赵管

    2014-01-01

    针对AutoCAD使用过程中没有函数曲线绘制命令的问题,结合数学作图给出了在AutoCAD中绘制函数曲线的简便方法,对于AutoCAD的中绘制各类函数曲线有一定的实际意义,拓展了AutoCAD应用范围。

  14. 中职AutoCAD课程有效教学探索

    Institute of Scientific and Technical Information of China (English)

    刘远林

    2011-01-01

    本文针对中职AutoCAD课程传统教学中存在的问题,结合笔者的AutoCAD教学经验,就如何有效提高AutoCAD课程的教学质量进行了一番探析,以使中职毕业生的AutoCAD水平达到用人单位的要求。

  15. AutoCAD在建筑领域中的应用

    Institute of Scientific and Technical Information of China (English)

    赵迎

    2008-01-01

    掌握AutoCAD是从事建筑设计工作的基本要求,AutoCAD技术在建筑领域中应用的特点是:精确、快速、效率高.AutoCAD技术在建筑设计的一般步骤同手绘大致相同.建筑AutoCAD学习的要点是灵活运用.

  16. AutoCAD在建筑领域中的应用

    Institute of Scientific and Technical Information of China (English)

    赵迎

    2008-01-01

    掌握AutoCAD是从事建筑设计工作的基本要求,AutoCAD技术在建筑领域中应用的特点是:精确、快速、效率高。AutoCAD技术在建筑设计的一般步骤同手绘大致相同。建筑AutoCAD学习的要点是灵活运用。

  17. Removal of platinum group metals from the used auto catalytic converter

    Directory of Open Access Journals (Sweden)

    A. Fornalczyk

    2009-04-01

    Full Text Available Recycling of platinum group metals from the used auto catalytic converters is profitable from ecological and also economical point of view. This work presents the analysis of the chances of removing the platinum group metals (PGM from the used auto catalytic converters applying pyrometallurgical and hydrometallurgical methods. The characteristics of auto catalytic converter is shown as well the available technologies used for processing the auto catalytic converters are also presented.

  18. Removal of platinum group metals from the used auto catalytic converter

    OpenAIRE

    A. Fornalczyk; M. Saternus

    2009-01-01

    Recycling of platinum group metals from the used auto catalytic converters is profitable from ecological and also economical point of view. This work presents the analysis of the chances of removing the platinum group metals (PGM) from the used auto catalytic converters applying pyrometallurgical and hydrometallurgical methods. The characteristics of auto catalytic converter is shown as well the available technologies used for processing the auto catalytic converters are also presented.

  19. Research on remote sensing image pixel attribute data acquisition method in AutoCAD

    Science.gov (United States)

    Liu, Xiaoyang; Sun, Guangtong; Liu, Jun; Liu, Hui

    2013-07-01

    The remote sensing image has been widely used in AutoCAD, but AutoCAD lack of the function of remote sensing image processing. In the paper, ObjectARX was used for the secondary development tool, combined with the Image Engine SDK to realize remote sensing image pixel attribute data acquisition in AutoCAD, which provides critical technical support for AutoCAD environment remote sensing image processing algorithms.

  20. Auto Body Welding 2 (Course Outline), Automotive Body Repair and Refinishing 1: 9033.04.

    Science.gov (United States)

    Dade County Public Schools, Miami, FL.

    The 90-hour course is a foundation quinmester course in welding for the auto body repairman. The outline consists of seven blocks of instruction (orientation, 6 hours; auto body oxyacetylene welding, 10 hours; electric arc welding equipment, 6 hours; auto body electric arc welding, 8 hours; position welding, 40 hours; electric spot welders, 16…

  1. AutoTutor and Family: A Review of 17 Years of Natural Language Tutoring

    Science.gov (United States)

    Nye, Benjamin D.; Graesser, Arthur C.; Hu, Xiangen

    2014-01-01

    AutoTutor is a natural language tutoring system that has produced learning gains across multiple domains (e.g., computer literacy, physics, critical thinking). In this paper, we review the development, key research findings, and systems that have evolved from AutoTutor. First, the rationale for developing AutoTutor is outlined and the advantages…

  2. Prediction, Regression and Critical Realism

    DEFF Research Database (Denmark)

    Næss, Petter

    2004-01-01

    This paper considers the possibility of prediction in land use planning, and the use of statistical research methods in analyses of relationships between urban form and travel behaviour. Influential writers within the tradition of critical realism reject the possibility of predicting social...... of prediction necessary and possible in spatial planning of urban development. Finally, the political implications of positions within theory of science rejecting the possibility of predictions about social phenomena are addressed....... phenomena. This position is fundamentally problematic to public planning. Without at least some ability to predict the likely consequences of different proposals, the justification for public sector intervention into market mechanisms will be frail. Statistical methods like regression analyses are commonly...

  3. Nonparametric Regression with Common Shocks

    Directory of Open Access Journals (Sweden)

    Eduardo A. Souza-Rodrigues

    2016-09-01

    Full Text Available This paper considers a nonparametric regression model for cross-sectional data in the presence of common shocks. Common shocks are allowed to be very general in nature; they do not need to be finite dimensional with a known (small number of factors. I investigate the properties of the Nadaraya-Watson kernel estimator and determine how general the common shocks can be while still obtaining meaningful kernel estimates. Restrictions on the common shocks are necessary because kernel estimators typically manipulate conditional densities, and conditional densities do not necessarily exist in the present case. By appealing to disintegration theory, I provide sufficient conditions for the existence of such conditional densities and show that the estimator converges in probability to the Kolmogorov conditional expectation given the sigma-field generated by the common shocks. I also establish the rate of convergence and the asymptotic distribution of the kernel estimator.

  4. Adaptive Local Linear Quantile Regression

    Institute of Scientific and Technical Information of China (English)

    Yu-nan Su; Mao-zai Tian

    2011-01-01

    In this paper we propose a new method of local linear adaptive smoothing for nonparametric conditional quantile regression. Some theoretical properties of the procedure are investigated. Then we demonstrate the performance of the method on a simulated example and compare it with other methods. The simulation results demonstrate a reasonable performance of our method proposed especially in situations when the underlying image is piecewise linear or can be approximated by such images. Generally speaking, our method outperforms most other existing methods in the sense of the mean square estimation (MSE) and mean absolute estimation (MAE) criteria. The procedure is very stable with respect to increasing noise level and the algorithm can be easily applied to higher dimensional situations.

  5. Auto-correlation analysis of ocean surface wind vectors

    Indian Academy of Sciences (India)

    Abhijit Sarkar; Sujit Basu; A K Varma; Jignesh Kshatriya

    2002-09-01

    The nature of the inherent temporal variability of surface winds is analyzed by comparison of winds obtained through different measurement methods. In this work, an auto-correlation analysis of a time series data of surface winds measured in situ by a deep water buoy in the Indian Ocean has been carried out. Hourly time series data available for 240 hours in the month of May, 1999 were subjected to an auto-correlation analysis. The analysis indicates an exponential fall of the auto- correlation in the first few hours with a decorrelation time scale of about 6 hours. For a meaningful comparison between satellite derived products and in situ data, satellite data acquired at different time intervals should be used with appropriate `weights', rather than treating the data as concurrent in time. This paper presents a scheme for temporal weighting using the auto-correlation analysis. These temporal `weights' can potentially improve the root mean square (rms) deviation between satellite and in situ measurements. A case study using the TRMM Microwave Imager (TMI) and Indian Ocean buoy wind speed data resulted in an improvement of about 10%.

  6. Fra form-Z til AutoCad

    DEFF Research Database (Denmark)

    Jensen, Henrik

    2003-01-01

    Dette kursus er lavet for at forberede de studerende til deres tegnestuepraktik, og dets indhold er planlagt i samarbejde med tegnestuerne. I 2003 var form-Z Arkitektskolens grundlæggende CAD-program; men på tegnestuerne arbejde man med AutoCad. Kurset er opbygget over CAD Clasic skabelonen (se min...

  7. The 4th China International (Syria) Auto Exhibiton Tour

    Institute of Scientific and Technical Information of China (English)

    Liu Jinliang; Bai Yifeng

    2006-01-01

    @@ On April 23, 2006,the Opening Cer emony of "Foton Cup" the Fourth China International (Syria) Auto Exhibition Tour (CIAET) was held in Damascus. Syrian Minister of Economy and Trade, Director of Syrian Chamber of Commerce, Iraqi Ambassador to Syria, Chinese Ambassador to Syria, Counsellor of the Economic and Commercial Counsellor's Office of the Embassy of P. R. China in Syria attended the ceremony.

  8. A New Technique for CCD Camera Auto-Calibration

    Institute of Scientific and Technical Information of China (English)

    Xiaodong Zhang; Changku Sun; Zhixiong Wang; Wei Wei

    2003-01-01

    A novel feature-round-based coplanar drone for the CCD camera auto-calibration is designed. Based on the ellipse similarity, an ellipse recognition algorithm is proposed. The experiment indicates the calibration error is less than 0.4 pixel.

  9. Careers in Auto Racing: Work in the Fast Lane

    Science.gov (United States)

    Lawhorn, William

    2009-01-01

    Long before most people had seen an automobile, thrill-seekers across the globe were driving cars competitively. The speed of racecars has accelerated steadily, as has the popularity of the sport. In public opinion polls of sports popularity, in fact, auto racing consistently finishes near the top. Racecar drivers may be the star of their event,…

  10. Auto-Tutorial Instruction in Entomology: Principles of Entomology (Orders).

    Science.gov (United States)

    Minnick, D. R.; Steele, K. L.

    Auto-tutorial instruction was compared to traditional lecture instruction in a university entomology course. In seven consecutive terms, undergraduate students enrolled in an introductory entomology course were divided into two groups: Group I received only lecture instruction on insect orders, while Group II was dismissed for three consecutive…

  11. Omanik võib konfiskeeritud auto tagasi osta / Signe Kalberg

    Index Scriptorium Estoniae

    Kalberg, Signe, 1959-

    2007-01-01

    Sõiduki konfiskeerimisest korduvalt alkoholijoobes roolis tabatud isikutelt ja isiku võimalusest see maavalitsuselt tagasi osta. Lisatud justiitsministeeriumi kriminaalpoliitika osakonna karistusõiguse ja menetluse talituse nõuniku Marju Agarmaa kommentaar: auto võetakse käest, ostad uue

  12. Analysis on Features and Future of Chinese Auto Industry

    Institute of Scientific and Technical Information of China (English)

    Liu Shijin

    2004-01-01

    @@ Since large-scale production, technology and advanced management help to reduce the cost, the reduction rate of the production cost is not totally equal to the reduction rate of profits,however it is certain that the average profits of the auto industry is in a decreasing tendency.

  13. Auto-calibration of Systematic Odometry Errors in Mobile Robots

    DEFF Research Database (Denmark)

    Bak, Martin; Larsen, Thomas Dall; Andersen, Nils Axel;

    1999-01-01

    This paper describes the phenomenon of systematic errors in odometry models in mobile robots and looks at various ways of avoiding it by means of auto-calibration. The systematic errors considered are incorrect knowledge of the wheel base and the gains from encoder readings to wheel displacement...... and experiments on a mobile robot....

  14. In-plane Auto-Parametric Vibration of Inclined Cables under Random Transverse Excitation

    Institute of Scientific and Technical Information of China (English)

    WANG Bo; ZHANG Hai-long; XU Feng; GUO Cui-cui

    2008-01-01

    In-plane auto-parametric stochastic vibration of inclined cables subjected to Gaussian white noise in transverse bridge orientation is investigated. Based on Newton's laws of motion and Galerkin's modal truncation principle, the influences of geometry nonlinearity induced by sag and large displacement of cables and the initial equilibrium state are taken into account. Meanwhile, the three-dimensional non-linear differential equations of inclined cables for coupling vibration are deduced, equivalent stochastic linearization method is applied to derive the 1A-dimensional first-order nonlinear differential equations of state vectors, and the Runge-Kutta integration method is utilized to obtain the root mean square (RMS) response. Results show that when the transverse random excitation imposed on the stayed cable exceeds a critical value, the in-plane transverse vibration of the cable are excited due to the auto-parametric nonlinear coupling, and the critical value of random excitation increases with the damping ratio. In this motion, the cable response possesses non-stationary characteristics, even though the loading keeps stationary.

  15. Time series analysis using semiparametric regression on oil palm production

    Science.gov (United States)

    Yundari, Pasaribu, U. S.; Mukhaiyar, U.

    2016-04-01

    This paper presents semiparametric kernel regression method which has shown its flexibility and easiness in mathematical calculation, especially in estimating density and regression function. Kernel function is continuous and it produces a smooth estimation. The classical kernel density estimator is constructed by completely nonparametric analysis and it is well reasonable working for all form of function. Here, we discuss about parameter estimation in time series analysis. First, we consider the parameters are exist, then we use nonparametrical estimation which is called semiparametrical. The selection of optimum bandwidth is obtained by considering the approximation of Mean Integrated Square Root Error (MISE).

  16. 高职AutoCAD机械制图教学探析%Analysis of AutoCAD Mechanical Drawing Teaching in Higher Vocational Colleges

    Institute of Scientific and Technical Information of China (English)

    罗江丽; 张溢; 吴迎春

    2013-01-01

    AutoCAD软件的熟练使用是工程技术人员的重要技能之一,因此AutoCAD也成为许多高职院校机械专业的必开课之一.怎样让学生更好、更快地掌握AutoCAD,教学方法很重要.

  17. RANDOM WEIGHTING METHOD FOR CENSORED REGRESSION MODEL

    Institute of Scientific and Technical Information of China (English)

    ZHAO Lincheng; FANG Yixin

    2004-01-01

    Rao and Zhao (1992) used random weighting method to derive the approximate distribution of the M-estimator in linear regression model. In this paper we extend the result to the censored regression model (or censored "Tobit" model).

  18. Using Raw VAR Regression Coefficients to Build Networks can be Misleading.

    Science.gov (United States)

    Bulteel, Kirsten; Tuerlinckx, Francis; Brose, Annette; Ceulemans, Eva

    2016-01-01

    Many questions in the behavioral sciences focus on the causal interplay of a number of variables across time. To reveal the dynamic relations between the variables, their (auto- or cross-) regressive effects across time may be inspected by fitting a lag-one vector autoregressive, or VAR(1), model and visualizing the resulting regression coefficients as the edges of a weighted directed network. Usually, the raw VAR(1) regression coefficients are drawn, but we argue that this may yield misleading network figures and characteristics because of two problems. First, the raw regression coefficients are sensitive to scale and variance differences among the variables and therefore may lack comparability, which is needed if one wants to calculate, for example, centrality measures. Second, they only represent the unique direct effects of the variables, which may give a distorted picture when variables correlate strongly. To deal with these problems, we propose to use other VAR(1)-based measures as edges. Specifically, to solve the comparability issue, the standardized VAR(1) regression coefficients can be displayed. Furthermore, relative importance metrics can be computed to include direct as well as shared and indirect effects into the network.

  19. Gaussian process regression analysis for functional data

    CERN Document Server

    Shi, Jian Qing

    2011-01-01

    Gaussian Process Regression Analysis for Functional Data presents nonparametric statistical methods for functional regression analysis, specifically the methods based on a Gaussian process prior in a functional space. The authors focus on problems involving functional response variables and mixed covariates of functional and scalar variables.Covering the basics of Gaussian process regression, the first several chapters discuss functional data analysis, theoretical aspects based on the asymptotic properties of Gaussian process regression models, and new methodological developments for high dime

  20. 解析AutoCAD在矿图设计中的实践与应用%Practice and Application of AutoCAD in ore diagram design

    Institute of Scientific and Technical Information of China (English)

    刘之家; 陈克勤

    2013-01-01

    熟练掌握和运用AutoCAD绘图专业技巧进行矿图设计,有利于矿图设计过程中的管理更加规范.文章通过简要介绍AutoCAD和相关优势,对AutoCAD在矿图设计中的应用进行详细分析,并阐述了利用AutoCAD绘制采矿设计图的具体过程.

  1. AutoCAD技术在建筑设计中的应用

    Institute of Scientific and Technical Information of China (English)

    赵卫利; 魏峰

    2013-01-01

      本文阐述了AutoCAD技术在建筑设计中的应用情况及AutoCAD在建筑设计中功能应用,随着AutoCAD技术的发展,人们越来越熟练的使用AutoCAD进行建筑图纸的设计,AutoCAD让建筑图样更准确,让建筑施工更精细,更精确。

  2. Auto-correlation Properties of Scattering Light in Ultrasound-modulated Random Media

    Institute of Scientific and Technical Information of China (English)

    ZHANG Xiqin; XING Da; LIU Ying; MA Shining

    2001-01-01

    In this paper, the auto-correlation properties of scattering light in random media modulated by ultrasound were studied. The expression of temporal auto-correlation function of scattering light amplitude in the ultrasound-modulated media was presented. The results show that the auto-correlation function is modulated as the ultrasound is introduced into the media and the modulation amplitude decays with correlation time. The influences of ultrasound amplitude, Brownian diffusion coefficient, scattering and absorption coefficients on auto-correlation function were discussed. The auto-correlation imaging of an object hidden in random media was also studied by the use of Monte Carlo simulations.

  3. AutoCAD技术在建筑设计中的应用

    Institute of Scientific and Technical Information of China (English)

    赵卫利; 魏峰

    2013-01-01

    本文阐述了AutoCAD技术在建筑设计中的应用情况及AutoCAD在建筑设计中功能应用,随着AutoCAD技术的发展,人们越来越熟练的使用AutoCAD进行建筑图纸的设计,AutoCAD让建筑图样更准确,让建筑施工更精细,更精确。

  4. auto-estima: estudo de caso

    Directory of Open Access Journals (Sweden)

    Dilcio Dantas Guedes

    2008-01-01

    Full Text Available Case study of a young adult´s (22 psychotherapy experience during an emotional crisis prompted by the breakup of a love relationship. The psychotherapy process was developed over two hundred sessions with follow up. Data was collected using notes from the sessions, the Coopersmith self-steem inventory, the Beck Depression Inventory and a final questionnaire on depression (DSMIV. We assumed that the more emotional expressions of acceptance about his psychological condition were affirmed, the higher his self-steem levels would be, and the more autonomous behaviours experienced, the lower the levels of depression he would present. Results indicated that client maintained his responsibility and existential perceptions and improved awareness about his emotional insecurity as well as identifying external reasons for his model of love relationship. Thus, he perceived himself to be in progressive contact with his somatic symptoms, understanding and integrating them into his way of being in the world. Such comprehension and learning increased his sense of responsibility for himself and his own existential projects, authentically integrating them into his psychopathology.

  5. Distributional aspects in partial least squares regression

    OpenAIRE

    Romera, Rosario

    1999-01-01

    This paper presents some results about the asymptotic behaviour of the estimate of a regression model obtained by Partial Least Squares (PLS) Methods. Because the nonlinearity of the regression estimator on the response variable, local linear approximation through the 6-method for the PLS regression vector is carried out. A new implementation of the PLS algorithm is developed for this purpose.

  6. Functional Regression for Quasar Spectra

    CERN Document Server

    Ciollaro, Mattia; Freeman, Peter; Genovese, Christopher; Lei, Jing; O'Connell, Ross; Wasserman, Larry

    2014-01-01

    The Lyman-alpha forest is a portion of the observed light spectrum of distant galactic nuclei which allows us to probe remote regions of the Universe that are otherwise inaccessible. The observed Lyman-alpha forest of a quasar light spectrum can be modeled as a noisy realization of a smooth curve that is affected by a `damping effect' which occurs whenever the light emitted by the quasar travels through regions of the Universe with higher matter concentration. To decode the information conveyed by the Lyman-alpha forest about the matter distribution, we must be able to separate the smooth `continuum' from the noise and the contribution of the damping effect in the quasar light spectra. To predict the continuum in the Lyman-alpha forest, we use a nonparametric functional regression model in which both the response and the predictor variable (the smooth part of the damping-free portion of the spectrum) are function-valued random variables. We demonstrate that the proposed method accurately predicts the unobserv...

  7. Nonparametric instrumental regression with non-convex constraints

    International Nuclear Information System (INIS)

    This paper considers the nonparametric regression model with an additive error that is dependent on the explanatory variables. As is common in empirical studies in epidemiology and economics, it also supposes that valid instrumental variables are observed. A classical example in microeconomics considers the consumer demand function as a function of the price of goods and the income, both variables often considered as endogenous. In this framework, the economic theory also imposes shape restrictions on the demand function, such as integrability conditions. Motivated by this illustration in microeconomics, we study an estimator of a nonparametric constrained regression function using instrumental variables by means of Tikhonov regularization. We derive rates of convergence for the regularized model both in a deterministic and stochastic setting under the assumption that the true regression function satisfies a projected source condition including, because of the non-convexity of the imposed constraints, an additional smallness condition. (paper)

  8. Nonparametric instrumental regression with non-convex constraints

    Science.gov (United States)

    Grasmair, M.; Scherzer, O.; Vanhems, A.

    2013-03-01

    This paper considers the nonparametric regression model with an additive error that is dependent on the explanatory variables. As is common in empirical studies in epidemiology and economics, it also supposes that valid instrumental variables are observed. A classical example in microeconomics considers the consumer demand function as a function of the price of goods and the income, both variables often considered as endogenous. In this framework, the economic theory also imposes shape restrictions on the demand function, such as integrability conditions. Motivated by this illustration in microeconomics, we study an estimator of a nonparametric constrained regression function using instrumental variables by means of Tikhonov regularization. We derive rates of convergence for the regularized model both in a deterministic and stochastic setting under the assumption that the true regression function satisfies a projected source condition including, because of the non-convexity of the imposed constraints, an additional smallness condition.

  9. Regression modeling methods, theory, and computation with SAS

    CERN Document Server

    Panik, Michael

    2009-01-01

    Regression Modeling: Methods, Theory, and Computation with SAS provides an introduction to a diverse assortment of regression techniques using SAS to solve a wide variety of regression problems. The author fully documents the SAS programs and thoroughly explains the output produced by the programs.The text presents the popular ordinary least squares (OLS) approach before introducing many alternative regression methods. It covers nonparametric regression, logistic regression (including Poisson regression), Bayesian regression, robust regression, fuzzy regression, random coefficients regression,

  10. Regression with Sparse Approximations of Data

    DEFF Research Database (Denmark)

    Noorzad, Pardis; Sturm, Bob L.

    2012-01-01

    We propose sparse approximation weighted regression (SPARROW), a method for local estimation of the regression function that uses sparse approximation with a dictionary of measurements. SPARROW estimates the regression function at a point with a linear combination of a few regressands selected by a...... sparse approximation of the point in terms of the regressors. We show SPARROW can be considered a variant of \\(k\\)-nearest neighbors regression (\\(k\\)-NNR), and more generally, local polynomial kernel regression. Unlike \\(k\\)-NNR, however, SPARROW can adapt the number of regressors to use based on the...

  11. Developing a multi stage mathematical production management model for auto industry

    Directory of Open Access Journals (Sweden)

    M.Ghorbani Salanghooch

    2013-01-01

    Full Text Available In this paper, we establish an integrated mathematical production management model based on five parts insisted of finished goods production in production sites, inventory control of finished goods in production and distribution facilities, semi-finished goods production in producer’s facilities, inventory control of raw materials in production sites and Inventory control of semi-finished products. The main goal of developed model is to minimize total cost of company in the mentioned parts. Finally, the model is validated with 7 real-world case studies from auto-industry in one of the largest Iranian car producer company, Iran Khodro co and the empirical results are illustrated at the end of the paper.

  12. Computer-Aided Robot Trajectory Auto-generation Strategy in Thermal Spraying

    Science.gov (United States)

    Cai, Zhenhua; Liang, Hong; Quan, Shuhai; Deng, Sihao; Zeng, Chunnian; Zhang, Feng

    2015-10-01

    This paper is concerned with a new methodology which is designed to auto-generate the robotic trajectory for thermal spraying process. Based on it, a software package named Thermal Spray Toolkit is developed and integrated in the main frame of off-line programming software RobotStudio™ (Product of ABB Company, Sweden). This toolkit implements the robotic trajectory planning in an interactive manner between RobotStudio™ and the finite element analysis software (FES). It allows rearranging the imported node index created on the surface of workpiece by FES and in turn generating the thermal spraying needed robot trajectories. Several parameters in thermal spraying, such as scanning step and torch-substrate relative velocity which have major influence on the coating deposition, are considered in the trajectory generation process. Experiment is carried out to check the reliability of the generated robot trajectory.

  13. The skills of assistant architectural decoration design and engineering drafting with AutoCAD%AutoCAD辅助建筑装饰设计及工程制图的技巧

    Institute of Scientific and Technical Information of China (English)

    邵乘胜

    2008-01-01

    详细的叙述了AutoCAD的绘图步骤,AutoCAD的精确绘图设置,AutoCAD的个性化命令定制,AutoCAD中块和图层的作用,AutoCAD文件的垃圾清理及应用中的一些弊病等,以期能给日常的学习和工作带来帮助和提高.

  14. Controladores auto-ajustables para una clase de sistemas bilineales

    Directory of Open Access Journals (Sweden)

    Anna Patete

    2011-06-01

    Full Text Available En este trabajo, se propone un algoritmo auto-ajustable implícito basado en el criterio de varianza mínima generalizada para la estabilización de una clase de sistemas bilineales. La estabilidad del algoritmo propuesto es demostrada usando una función de Lyapunov y la estrategia de control por superficie deslizante. El algoritmo auto-ajustable propuesto es aplicado a una planta piloto térmica para evaluar su desempeño. / In this paper, a self-tuning algorithm based on the generalized minimum variance criterion is proposed for the stabilization of a class of bilinear systems. Using a Lyapunov function and the sliding mode control approach, the stability of the proposed algorithm is proven. The proposed self-tuning algorithm is applied to a simulated example to evaluate its performance.

  15. Globalisation, Crisis and Industrial Relations in the Indian Auto Industry

    DEFF Research Database (Denmark)

    D'Costa, Anthony

    2011-01-01

    of the global industry is reeling under the financial crisis, India's industry has been expanding. However, the power of workers has been declining in conflict-ridden states just as globalisation and deregulation have hastened capital flight to more pro-business regions. The paper draws some policy implications......This paper examines how the pattern of investment in the Indian auto industry has changed. The author argues that the industrial relations climate has been an important determinant of that pattern. Industrial relations climate is politically and institutionally determined hence any shift...... in the broader capital-labour relation in the wider global economy due to globalisation is argued to be tempered by India's particular national and local institutions governing industrial relations, unionisation, the specific trajectory of the Indian auto industry, and economic development strategies. When much...

  16. Error Estimation for the Linearized Auto-Localization Algorithm

    Directory of Open Access Journals (Sweden)

    Fernando Seco

    2012-02-01

    Full Text Available The Linearized Auto-Localization (LAL algorithm estimates the position of beacon nodes in Local Positioning Systems (LPSs, using only the distance measurements to a mobile node whose position is also unknown. The LAL algorithm calculates the inter-beacon distances, used for the estimation of the beacons’ positions, from the linearized trilateration equations. In this paper we propose a method to estimate the propagation of the errors of the inter-beacon distances obtained with the LAL algorithm, based on a first order Taylor approximation of the equations. Since the method depends on such approximation, a confidence parameter τ is defined to measure the reliability of the estimated error. Field evaluations showed that by applying this information to an improved weighted-based auto-localization algorithm (WLAL, the standard deviation of the inter-beacon distances can be improved by more than 30% on average with respect to the original LAL method.

  17. GIS u AutoCAD Map 3D-u

    OpenAIRE

    Glasinović, Frane

    2011-01-01

    AutoCAD Map 3D prvenstveno je CAD alat s dodatnim mogućnostima za izradu GIS sustava. Čine ga skup alata koji omogućavaju jednostavniji rad do vrlo dinamične i interaktivne karte i to s već ugrađenim prostornim analizama. AutoCAD Map se oslanja na snagu CAD-a pri uređivanju podataka, što je ujedno i njegova najveća prednost u odnosu na ostale GIS programe na tržištu. Pripremanje podataka te njihova distribucija i vizualizacija u istoj aplikaciji čine ga idealnim izborom. Rad sa različitim izv...

  18. Influence of the plasma environment on auto-ionization

    Science.gov (United States)

    Belkhiri, Madeny; Fontes, Christopher J.

    2016-09-01

    In this work, we show the influence of the plasma environment on the auto-ionization rate using an ion-sphere model. We consider transitions from the He-like to the H-like ion stage of aluminum for illustrative purposes, but the approach is completely general and can be applied to arbitrary, highly charged ions. A detailed numerical investigation and comparison is made between two independent computational schemes, using the relativistic configuration-average, distorted-wave approach. We show that the decreasing behavior of the auto-ionization rates as a function of free-electron density is due to a change in the quantum interference between the bound and free electrons, and also provide a qualitative explanation of this trend.

  19. Fast and scalable image auto-tagging

    CERN Document Server

    Frejaville, Camille; Lepetit, Vincent

    Inside Invenio, the web-based integrated system for handling digital libraries developed at CERN, there is a media module, enabling users to upload photos and videos. Especially in CDS, the Invenio instance used at CERN, people use this digital library to upload pictures of official events that took place at CERN. However, so far, there was no way of tagging what’s inside these photos. This project is meant to solve the problem of tagging persons in a photo in an easy and fast way. First, by implementing a complete tagging interface that allows the user to square parts of the photo, resize them, move them and give them a name. Second, by running face detection so that squares already appear on faces and the user just has to fill the title field. Finally, by running a face recognition system that learned from previous tags created by users. In this report, we will show how we implemented the tagging interface, how we improved the existing face detector to make it more efficient, which face detection methods ...

  20. Auto-Coding UML Statecharts for Flight Software

    Science.gov (United States)

    Benowitz, Edward G; Clark, Ken; Watney, Garth J.

    2006-01-01

    Statecharts have been used as a means to communicate behaviors in a precise manner between system engineers and software engineers. Hand-translating a statechart to code, as done on some previous space missions, introduces the possibility of errors in the transformation from chart to code. To improve auto-coding, we have developed a process that generates flight code from UML statecharts. Our process is being used for the flight software on the Space Interferometer Mission (SIM).

  1. The 4th China International (Syria) Auto Exhibiton Tour

    Institute of Scientific and Technical Information of China (English)

    Liu; Jinliang; Bai; Yifeng

    2006-01-01

      On April 23, 2006,the Opening Cer emony of "Foton Cup" the Fourth China International (Syria) Auto Exhibition Tour (CIAET) was held in Damascus. Syrian Minister of Economy and Trade, Director of Syrian Chamber of Commerce, Iraqi Ambassador to Syria, Chinese Ambassador to Syria, Counsellor of the Economic and Commercial Counsellor's Office of the Embassy of P. R. China in Syria attended the ceremony.……

  2. Distributed Computation, the Twisted Isomorphism, and Auto-Poiesis

    OpenAIRE

    Manthey, Michael

    1998-01-01

    This paper presents a synchronization-based, multi-process computational model of anticipatory systems called the Phase Web. It describes a self-organizing paradigm that explicitly recognizes and exploits the existence of a boundary between inside and outside, accepts and exploits intentionality, and uses explicit self-reference to describe eg. auto-poiesis. The model explicitly connects computation to a discrete Clifford algebraic formalization that is in turn extended into homology and co-h...

  3. GE Money Bank in Norway : competitor analysis in auto market

    OpenAIRE

    Gusarova, Anna

    2006-01-01

    In this Sivilokonom study the financial industry in Norway is analysed and a competitor analysis in AUTO market is performed for GE Money Bank. The industry analysis is based on the M. Porter’s Five Forces Framework, which includes the analysis of Suppliers, Buyers, Potential New Entrants, Product Substitutes and Rivalry. From this analysis it is concluded that the strongest force in the industry is Rivalry with fierce competition and numerous actors on the market. It is also clear that the b...

  4. Reducing auto moiré in discrete line juxtaposed halftoning

    OpenAIRE

    Babaei, Vahid; Hersch, Roger,

    2013-01-01

    Discrete line juxtaposed halftoning creates color halftones with discrete colorant lines of freely selectable rational thicknesses laid-out side by side. Screen elements are made of parallelogram screen tiles incorporating the discrete colorant lines. The repetition of discrete colorant lines from one screen element to the next may create auto moiré artifacts. By decomposing each supertile into screen element tiles having slightly different rational thicknesses, we ensure that successive disc...

  5. A Generative Process for Sampling Contractive Auto-Encoders

    OpenAIRE

    Rifai, Salah; Bengio, Yoshua; Dauphin, Yann; Vincent, Pascal

    2012-01-01

    The contractive auto-encoder learns a representation of the input data that captures the local manifold structure around each data point, through the leading singular vectors of the Jacobian of the transformation from input to representation. The corresponding singular values specify how much local variation is plausible in directions associated with the corresponding singular vectors, while remaining in a high-density region of the input space. This paper proposes a procedure for generating ...

  6. Deep Denoising Auto-encoder for Statistical Speech Synthesis

    OpenAIRE

    Wu, Zhenzhou; Takaki, Shinji; Yamagishi, Junichi

    2015-01-01

    This paper proposes a deep denoising auto-encoder technique to extract better acoustic features for speech synthesis. The technique allows us to automatically extract low-dimensional features from high dimensional spectral features in a non-linear, data-driven, unsupervised way. We compared the new stochastic feature extractor with conventional mel-cepstral analysis in analysis-by-synthesis and text-to-speech experiments. Our results confirm that the proposed method increases the quality of s...

  7. 3D ultrasonic ray tracing in AutoCAD®

    Science.gov (United States)

    Reilly, D.; Leggat, P.; McNab, A.

    2001-04-01

    To assist with the design and validation of testing procedures for NDT, add-on modules have been developed for AutoCAD® 2000. One of the modules computes and displays ultrasonic 3D ray tracing. Another determines paths between two points, for instance a probe and a target or two probes. The third module displays phased array operational modes and calculates element delays for phased array operation. The modules can be applied to simple or complex solid model components.

  8. AutoCAD aplicado a la Topografía

    OpenAIRE

    Mora Navarro, Joaquin Gaspar; Femenia Ribera, Carmen

    2008-01-01

    The most common tasks for Topography professionals consist of doing land surveys, making digital models of the terrain, longitudinal profiles, cross sections, volume calculation and on-site layouts. At this time, it is necessary to use computer aided design (CAD) programs to create and lay out final maps, and one of the most common programs is AutoCAD. This graphic editor makes it possible to precisely solve the most common topography tasks quickly and with good quality: g...

  9. Flooded: an auto-ethnography of the 2011 Bangkok flood

    OpenAIRE

    Erik Cohen

    2012-01-01

    "In this personal account I report my perceptions, experiences, and conduct during the 2011 Bangkok flood, in which my home and neighbourhood have been badly inundated and damaged. Therefore, I draw on auto-ethnography as an increasingly popular, though controversial qualitative methodology in social sciences. Though personal, the account has some broader implications, deriving primarily from the examination of the relationship between my perceptions and conduct in the disaster and my life ex...

  10. Current and vorticity auto correlation functions in open microwave billiards

    OpenAIRE

    Kim, Y.-H.; M. Barth; Kuhl, U.; Stoeckmann, H. -J.

    2003-01-01

    Using the equivalence between the quantum-mechanical probability density in a quantum billiard and the Poynting vector in the corresponding microwave system, current distributions were studied in a quantum dot like cavity, as well as in a Robnik billiard with lambda=0.4, and an introduced ferrite cylinder. Spatial auto correlation functions for currents and vorticity were studied and compared with predictions from the random-superposition-of-plane-waves hypothesis. In addition different types...

  11. Škoda Auto Brand Positioning in Strategic Markets

    OpenAIRE

    Voronina, Anna

    2012-01-01

    The main objective of this research is to analyze branding and brand positioning as its essential part and a strong tool of brand management, especially in the automotive industry. These theoretical implications will be further applied on the case of ŠKODA Auto brand in three strategic markets -- the Czech Republic, Russia and India -- for comparison, disclosure and explanation of differences and specifics. The work consists of three chapters. The first chapter is devoted to a theoretical res...

  12. AutoBayes Program Synthesis System System Internals

    Science.gov (United States)

    Schumann, Johann Martin

    2011-01-01

    This lecture combines the theoretical background of schema based program synthesis with the hands-on study of a powerful, open-source program synthesis system (Auto-Bayes). Schema-based program synthesis is a popular approach toward program synthesis. The lecture will provide an introduction into this topic and discuss how this technology can be used to generate customized algorithms. The synthesis of advanced numerical algorithms requires the availability of a powerful symbolic (algebra) system. Its task is to symbolically solve equations, simplify expressions, or to symbolically calculate derivatives (among others) such that the synthesized algorithms become as efficient as possible. We will discuss the use and importance of the symbolic system for synthesis. Any synthesis system is a large and complex piece of code. In this lecture, we will study Autobayes in detail. AutoBayes has been developed at NASA Ames and has been made open source. It takes a compact statistical specification and generates a customized data analysis algorithm (in C/C++) from it. AutoBayes is written in SWI Prolog and many concepts from rewriting, logic, functional, and symbolic programming. We will discuss the system architecture, the schema libary and the extensive support infra-structure. Practical hands-on experiments and exercises will enable the student to get insight into a realistic program synthesis system and provides knowledge to use, modify, and extend Autobayes.

  13. Auto-transfusion tourniquets: the next evolution of tourniquets

    Directory of Open Access Journals (Sweden)

    Tang DH

    2013-12-01

    Full Text Available David H Tang,1,2,3 Bohdan T Olesnicky,1,3 Michael W Eby,1,4 Lawrence E Heiskell1,51International School of Tactical Medicine, Palm Springs, CA, USA; 2Eisenhower Medical Center, Rancho Mirage, CA, USA; 3High Desert Medical Center, Joshua Tree, CA, USA; 4Veterans Administration Loma Linda Healthcare System, Loma Linda, CA, USA; 5Fallbrook Community Hospital, Fallbrook, CA, USAAbstract: In this article, we discuss the relationship between hemorrhagic shock and the pathophysiology of shock using conventional tourniquets. We will focus on corollary benefits with the use of HemaClear®, a self-contained, sterile, exsanguinating auto-transfusion tourniquet. This discussion will demonstrate that the use of auto-transfusion tourniquets is a practical evidence-based approach in fluid resuscitation: it shortens the duration of shock after hemorrhage and trauma compared with conventional tourniquets. Emphasis is placed on the use of the HemaClear® as an alternative fluid resuscitation tool which is more efficient in the battlefield, pre-hospital and in-hospital settings.Keywords: auto-transfusion tourniquet, field exsanguination, hemorrhagic shock, tourniquet, perfusion requirement, HemaClear® ATT

  14. AutoCAD electrical 2016 for electrical control designers

    CERN Document Server

    Tickoo, Sham

    2016-01-01

    The AutoCAD Electrical 2016 for Electrical Control Designers textbook has been written to assist the engineering students and the practicing designers who are new to AutoCAD Electrical. Using this textbook, the readers can learn the application of basic tools required for creating professional electrical control drawings with the help of AutoCAD Electrical. Keeping in view the varied requirements of the users, this textbook covers a wide range of tools and features such as schematic drawings, Circuit Builder, panel drawings, parametric and nonparametric PLC modules, stand-alone PLC I/O points, ladder diagrams, point-to-point wiring diagrams, report generation, creation of symbols, and so on. This will help the readers to create electrical drawings easily and effectively. Special emphasis has been laid on the introduction of concepts, which have been explained using text and supported with graphical examples. The examples and tutorials used in this book ensure that the users can relate the information provided...

  15. THE RATING OF OPERATING PERFORMANCE OF DOMESTIC AUTO INDUSTRY

    Directory of Open Access Journals (Sweden)

    Ming-Huang Ni

    2012-01-01

    Full Text Available The financial crisis in 2007 delivered a setback to the auto industry in Taiwan. However, the domestic auto companies had adopted various contingency measures that not only overcame the economic downturns but also enhanced their operating performances. It was the perfect storm. This study focuses on the changes of operating performances by domestic auto companies in Taiwan after financial crisis and explores their operating strategies. TOPSIS Model is designed to set the criteria for choosing optimal solutions under the condition that multiple objectives need to be met. Due to the obvious characteristics shown in TOPSIS Model, corporations tend to favor its use in developing a model for operating performance appraisal. This study extracted the financial information disclosed by the listed companies and conducted appraisal. After practical verification, we found that operating performance was indeed related to the ranking orders of the analysis in rating model. In applying the rating model developed in the study, executives will be able to view a better big picture before forming solid strategies. Besides, it may provide stock investors an alternative reference in selecting stocks.

  16. The Application of the lightweight database-Spatialite in AutoCAD%轻量数据库 Spatialite 在 AutoCAD 中的应用

    Institute of Scientific and Technical Information of China (English)

    柳华桥; 王光昇

    2013-01-01

    一般的GIS软件都支持几何对象的空间分析处理,如Within、Intersect、Contain、Overlap等,而AutoCAD缺少像GIS那样的空间分析功能,但可以借助于轻量级空间数据库Spatialite实现对AutoCAD对象的空间操作。本文讨论了如何将Spatialite空间数据库模块嵌入到AutoCAD平台中以及如何实现对AutoCAD对象的空间处理和运算。%The general GIS software support geometric objects spatial analysis ,such as Within,Intersects,Contains, Overlaps and so on , while AutoCAD lacks these functions , but we can use lightweight spatial database-Spatialite to a-chieve AutoCAD object space operation .This article discusses how to embed the Spatialite space database module into AutoCAD platform,as well as how to realize the AutoCAD object spatial processing and operation .

  17. AutoCAD using visual basic for secondary development introduction%用Visual Basic进行AutoCAD二次开发方法介绍

    Institute of Scientific and Technical Information of China (English)

    魏瑞涛

    2011-01-01

    本文对用Visual Basic二次开发AutoCAD的方法,从实际编程角度加以介绍,并对VB使用AutoCAD提供的Activex自动化服务功能(Activex Automation server capabilities)的基本情况进行了简单的论述.

  18. Theory of Regression Apple Professional Cooperation Organization Research

    OpenAIRE

    Ouyang Bin

    2013-01-01

    In view of the enterprise ecological apple manor a variety of problems of existence, put forward to the enterprise management transformation, achieve enterprise, collective, individual integrated operation management and the use of regression mathematical model on apple professional cooperation organization analysis. Through the example, Apple professional economic cooperation organization innovation model of the input output ratio than the rural economic cooperation organization is much high...

  19. A case study from Turkey: Turkish auto-gas market towards sustainability

    International Nuclear Information System (INIS)

    Turkish auto-gas market grew uncontrollably trough its initial years, leading to auto-gas product, retrofit cars, auto-gas filing stations and conversion shops in compliance with standards. Moreover, standards were not even adequate for a healthy market. Auto-gas accidents occurred due to mis-applications. Consequently, real benefits of auto-gas could not come into the picture, and general public as well as auto-gas customers came to perceive auto-gas as an inferior, unsafe and low-performance fuel. Today's market is really different than the markets in its initial years and it has covered a long way towards sustainability. To exemplify, the standards and inspections are well established and more strict than before. The image of auto-gas has improved considerably and now customers know that auto-gas is not only economic but also environment-friendly safe and good performance. The critical factor, bringing the market into sustainability and healthiness, are the developments in 4 crucial areas, namely, the government, LPG distribution companies, OEMs and auto-gas conversion firms and lastly, customers. Another important key success factor is cooperation between these 4 forces. The presentation will mainly focus on developments in these areas. (author)

  20. Applied regression analysis a research tool

    CERN Document Server

    Pantula, Sastry; Dickey, David

    1998-01-01

    Least squares estimation, when used appropriately, is a powerful research tool. A deeper understanding of the regression concepts is essential for achieving optimal benefits from a least squares analysis. This book builds on the fundamentals of statistical methods and provides appropriate concepts that will allow a scientist to use least squares as an effective research tool. Applied Regression Analysis is aimed at the scientist who wishes to gain a working knowledge of regression analysis. The basic purpose of this book is to develop an understanding of least squares and related statistical methods without becoming excessively mathematical. It is the outgrowth of more than 30 years of consulting experience with scientists and many years of teaching an applied regression course to graduate students. Applied Regression Analysis serves as an excellent text for a service course on regression for non-statisticians and as a reference for researchers. It also provides a bridge between a two-semester introduction to...

  1. The study on Sanmenxia annual flow forecasting in the Yellow River with mix regression model

    Institute of Scientific and Technical Information of China (English)

    JIANG Xiaohui; LIU Changming; WANG Yu; WANG Hongrui

    2004-01-01

    This paper established mix regression model for simulating annual flow, in which annual runoff is auto-regression factor, precipitation, air temperature and water consumption are regression factors; we adopted 9 hypothesis climate change schemes to forecast the change of annual flow of Sanmenxia Station. The results show: (1) When temperature is steady, the average annual runoff will increase by 8.3% if precipitation increases by 10%; when precipitation decreases by 10%, the average annual runoff will decrease by 8.2%; when precipitation is steady, the average annual runoff will decrease by 2.4% if temperature increases 1 ℃; if temperature decreases 1 ℃, runoff will increase by 1.2%. The mix regression model can well simulate annual runoff. (2) As to 9 different temperature and precipitation scenarios, scenario 9 is the most adverse to the runoff of Sanmenxia Station of Yellow River; i.e. temperature increases 1℃and precipitation decreases by 10%. Under this condition, the simulated average annual runoff decreases by 10.8%. On the contrary, scenario 1 is the best to the enhancement of runoff; i.e. when temperature decreases 1 ℃ precipitation will increase by 10%, which will make the annual runoff of Sanmenxia increase by 10.6%.

  2. 园林AutoCAD多媒体课件设计探讨%AutoCAD Landscape Design of Multimedia Courseware

    Institute of Scientific and Technical Information of China (English)

    赵青华

    2013-01-01

    为提升专业教师团队的业务素质,提高教学质量,促进学校的内涵建设.在全面学习教育部16号文件及国家关于高职高专精品课程建设精神的基础上,探讨了制作了园林AutoCAD课件设计.

  3. PLUTO: Penalized Unbiased Logistic Regression Trees

    OpenAIRE

    Zhang, Wenwen; Loh, Wei-Yin

    2014-01-01

    We propose a new algorithm called PLUTO for building logistic regression trees to binary response data. PLUTO can capture the nonlinear and interaction patterns in messy data by recursively partitioning the sample space. It fits a simple or a multiple linear logistic regression model in each partition. PLUTO employs the cyclical coordinate descent method for estimation of multiple linear logistic regression models with elastic net penalties, which allows it to deal with high-dimensional data ...

  4. LRGS: Linear Regression by Gibbs Sampling

    Science.gov (United States)

    Mantz, Adam B.

    2016-02-01

    LRGS (Linear Regression by Gibbs Sampling) implements a Gibbs sampler to solve the problem of multivariate linear regression with uncertainties in all measured quantities and intrinsic scatter. LRGS extends an algorithm by Kelly (2007) that used Gibbs sampling for performing linear regression in fairly general cases in two ways: generalizing the procedure for multiple response variables, and modeling the prior distribution of covariates using a Dirichlet process.

  5. Data Mining within a Regression Framework

    Science.gov (United States)

    Berk, Richard A.

    Regression analysis can imply a far wider range of statistical procedures than often appreciated. In this chapter, a number of common Data Mining procedures are discussed within a regression framework. These include non-parametric smoothers, classification and regression trees, bagging, and random forests. In each case, the goal is to characterize one or more of the distributional features of a response conditional on a set of predictors.

  6. High-dimensional regression with unknown variance

    CERN Document Server

    Giraud, Christophe; Verzelen, Nicolas

    2011-01-01

    We review recent results for high-dimensional sparse linear regression in the practical case of unknown variance. Different sparsity settings are covered, including coordinate-sparsity, group-sparsity and variation-sparsity. The emphasize is put on non-asymptotic analyses and feasible procedures. In addition, a small numerical study compares the practical performance of three schemes for tuning the Lasso esti- mator and some references are collected for some more general models, including multivariate regression and nonparametric regression.

  7. A New Scoring Function for Molecular Docking Based on AutoDock and AutoDock Vina.

    Science.gov (United States)

    Tanchuk, Vsevolod Yu; Tanin, Volodymyr O; Vovk, Andriy I; Poda, Gennady

    2015-01-01

    Molecular docking of small molecules in the protein binding sites is the most widely used computational technique in modern structure-based drug discovery. Although accurate prediction of binding modes of small molecules can be achieved in most cases, estimation of their binding affinities remains mediocre at best. As an attempt to improve the correlation between the inhibitory constants, pKi, and scoring, we created a new, hybrid scoring function. The new function is a linear combination of the terms of the scoring functions of AutoDock and AutoDock Vina. It was trained on 2,412 protein-ligand complexes from the PDBbind database (www.pdbbind.org.cn, version 2012) and validated on a set of 313 complexes released in the 2013 version as a test set. The new function was included in a modified version of AutoDock. The hybrid scoring function showed a statistically significant improvement in both training and test sets in terms of correlation with and root mean square and mean absolute errors in prediction of pKi values. It was also tested on the CSAR 2014 Benchmark Exercise dataset (team T) and produced reasonably good results.

  8. AutoDock4(Zn): an improved AutoDock force field for small-molecule docking to zinc metalloproteins.

    Science.gov (United States)

    Santos-Martins, Diogo; Forli, Stefano; Ramos, Maria João; Olson, Arthur J

    2014-08-25

    Zinc is present in a wide variety of proteins and is important in the metabolism of most organisms. Zinc metalloenzymes are therapeutically relevant targets in diseases such as cancer, heart disease, bacterial infection, and Alzheimer's disease. In most cases a drug molecule targeting such enzymes establishes an interaction that coordinates with the zinc ion. Thus, accurate prediction of the interaction of ligands with zinc is an important aspect of computational docking and virtual screening against zinc containing proteins. We have extended the AutoDock force field to include a specialized potential describing the interactions of zinc-coordinating ligands. This potential describes both the energetic and geometric components of the interaction. The new force field, named AutoDock4Zn, was calibrated on a data set of 292 crystal complexes containing zinc. Redocking experiments show that the force field provides significant improvement in performance in both free energy of binding estimation as well as in root-mean-square deviation from the crystal structure pose. The new force field has been implemented in AutoDock without modification to the source code.

  9. New ridge parameters for ridge regression

    Directory of Open Access Journals (Sweden)

    A.V. Dorugade

    2014-04-01

    Full Text Available Hoerl and Kennard (1970a introduced the ridge regression estimator as an alternative to the ordinary least squares (OLS estimator in the presence of multicollinearity. In ridge regression, ridge parameter plays an important role in parameter estimation. In this article, a new method for estimating ridge parameters in both situations of ordinary ridge regression (ORR and generalized ridge regression (GRR is proposed. The simulation study evaluates the performance of the proposed estimator based on the mean squared error (MSE criterion and indicates that under certain conditions the proposed estimators perform well compared to OLS and other well-known estimators reviewed in this article.

  10. Logistic Regression for Evolving Data Streams Classification

    Institute of Scientific and Technical Information of China (English)

    YIN Zhi-wu; HUANG Shang-teng; XUE Gui-rong

    2007-01-01

    Logistic regression is a fast classifier and can achieve higher accuracy on small training data. Moreover,it can work on both discrete and continuous attributes with nonlinear patterns. Based on these properties of logistic regression, this paper proposed an algorithm, called evolutionary logistical regression classifier (ELRClass), to solve the classification of evolving data streams. This algorithm applies logistic regression repeatedly to a sliding window of samples in order to update the existing classifier, to keep this classifier if its performance is deteriorated by the reason of bursting noise, or to construct a new classifier if a major concept drift is detected. The intensive experimental results demonstrate the effectiveness of this algorithm.

  11. Normalization Ridge Regression in Practice I: Comparisons Between Ordinary Least Squares, Ridge Regression and Normalization Ridge Regression.

    Science.gov (United States)

    Bulcock, J. W.

    The problem of model estimation when the data are collinear was examined. Though the ridge regression (RR) outperforms ordinary least squares (OLS) regression in the presence of acute multicollinearity, it is not a problem free technique for reducing the variance of the estimates. It is a stochastic procedure when it should be nonstochastic and it…

  12. 浅谈AutoCAD制图的矢量化技术

    Institute of Scientific and Technical Information of China (English)

    左兴东

    2013-01-01

    AutoCAD处理的图形是矢量图,而扫描的图纸形成的是点阵图,两者性质上的不同使得虽然可以把扫描图纸生成的图形文件插入到AutoCAD中,因此在AutoCAD进行编辑前,其矢量化的过程必不可少,本文从AutoCAD软件的介绍开始,介绍了AutoCAD矢量化的必要性和重要意义,最后以具体的AutoCAD2000软件为例,就其具体的矢量化技术过程进行了分析。

  13. Slow Growth of China's Auto Production and Marketing in the First Four Months

    Institute of Scientific and Technical Information of China (English)

    Xue Ning

    2011-01-01

    According to the statistics from China Association of Auto Manufacturers (CAAM),in the first four months of this year,our auto production and marketing grew slowly,while auto import and export grew rapidly.From January to April,the production and marketing of autos were respectively 6,431,100 units and 6,533,900 units,with year-on-year growth of 5.09% and 5.95%,and year-on-year decrease of 58.71% and 54.56% for the growth rate.In April,the production and marketing of autos were respectively 1,535,300 units and 1,552,000 units.It was the first negative growth for China since the financial crisis that our auto industry returned to growth.The overall situation is not optimistic.

  14. Auto-estima e narcisismo na adolescência : Relação com delinquência autorelatada em contexto forense e escolar

    OpenAIRE

    Pechorro, Pedro Fernandes dos Santos; Silva, Rita; Maroco, João; Poiares, Carlos Alberto; Vieira, Rui Xavier

    2012-01-01

    A presente investigação teve como objectivos analisar a importância relativa dos constructos de autoestima e de narcisismo e analisar a associação desses constructos com os comportamentos delinquentes auto-relatados pelos jovens. Recorrendo a 760 adolescentes de ambos os sexos divididos em grupo forense (n=250) e grupo escolar (n=510) foram feitas comparações relativamente aos dois constructos e foi elaborado um modelo de regressão múltipla tendo como variável dependente a delinqu...

  15. Comparative analysis of regions of Ukraine by the level of emissions from auto transport

    Directory of Open Access Journals (Sweden)

    N.M. Chinkuliak

    2014-03-01

    . Comparative analysis with use of cluster analysis method on the ground of data given by State Committee of Statistics of Ukraine had been made by such indexes as transport emissions (thousand tones and also the relation of quantity of emissions to territory and its population. The correlation matrix for indexes of emissions to the atmosphere of Ukraine was found. Ward-method was used to group the regions of Ukraine. Conclusions and directions of further researches. Comparative analysis of regions by such integral index as index of emissions from auto transport allows the heads of different levels of state government to find out weak and strong sides of native politics and to define the priority directions of their further activities. The results of research allow speaking about the necessity of differential approach to regions development and united state strategy based on conceptual principals of sustainable development.

  16. AutoCAD技术在导线测量中的应用

    Institute of Scientific and Technical Information of China (English)

    冯文

    2013-01-01

    本文是在工程测量实践中成功运用AutoCAD进行导线测量内业计算的基础上的一个总结。比较全面的阐述了如何把AutoCAD的相关优势以及AutoLISP语言编程运用于工程测量。

  17. 案例教学法在中职AutoCAD教学中的应用

    Institute of Scientific and Technical Information of China (English)

    吴永秀

    2013-01-01

    案例教学法作为一种新的教学方法,被广泛应用于AutoCAD教学领域。本文根据案例教学法与中职AutoCAD课的教学特点,阐述了案例教学法在中职AutoCAD教学中的应用。

  18. 高职AutoCAD 课程教学优化设计

    Institute of Scientific and Technical Information of China (English)

    林新

    2013-01-01

    针对高职 AutoCAD 课程特点,提出 AutoCAD 课程教学优化设计要点,说明行为导向教学在AutoCAD教学中的实施过程,给出了优化措施,使学生创新和实践能力得到提高。

  19. AutoCAD快捷键的自定义与使用

    Institute of Scientific and Technical Information of China (English)

    张金龙

    2013-01-01

    介绍了快捷键命名的一般规律,重点分析了AutoCAD用户自定义快捷键的方法及步骤,并阐述了利用AutoLisp扩充快捷键的方法与步骤,对熟练操作AutoCAD软件具有一定的参考意义.

  20. What Regularized Auto-Encoders Learn from the Data Generating Distribution

    OpenAIRE

    Alain, Guillaume; Bengio, Yoshua

    2012-01-01

    What do auto-encoders learn about the underlying data generating distribution? Recent work suggests that some auto-encoder variants do a good job of capturing the local manifold structure of data. This paper clarifies some of these previous observations by showing that minimizing a particular form of regularized reconstruction error yields a reconstruction function that locally characterizes the shape of the data generating density. We show that the auto-encoder captures the score (derivative...

  1. 基于Moodle平台的建筑AutoCAD教学设计

    Institute of Scientific and Technical Information of China (English)

    王艳梅

    2010-01-01

    本文阐述了Moodle的含义、功能和基于Moodle平台进行教学设计的优势。以建筑AutoCAD教学为例,分析基于Moodle平台的建筑AutoCAD教学设计的版块,期望在教学改革浪潮中建筑AutoCAD教学能取得更好的效果。

  2. A Simulation Investigation of Principal Component Regression.

    Science.gov (United States)

    Allen, David E.

    Regression analysis is one of the more common analytic tools used by researchers. However, multicollinearity between the predictor variables can cause problems in using the results of regression analyses. Problems associated with multicollinearity include entanglement of relative influences of variables due to reduced precision of estimation,…

  3. Regression Analysis and the Sociological Imagination

    Science.gov (United States)

    De Maio, Fernando

    2014-01-01

    Regression analysis is an important aspect of most introductory statistics courses in sociology but is often presented in contexts divorced from the central concerns that bring students into the discipline. Consequently, we present five lesson ideas that emerge from a regression analysis of income inequality and mortality in the USA and Canada.

  4. Model selection in kernel ridge regression

    DEFF Research Database (Denmark)

    Exterkate, Peter

    2013-01-01

    Kernel ridge regression is a technique to perform ridge regression with a potentially infinite number of nonlinear transformations of the independent variables as regressors. This method is gaining popularity as a data-rich nonlinear forecasting tool, which is applicable in many different context...

  5. Regression of Environmental Noise in LIGO Data

    CERN Document Server

    Tiwari, Vaibhav; Frolov, Valery; Klimenko, Sergey; Mitselmakher, Guenakh; Necula, Valentin; Prodi, Giovanni; Re, Virginia; Salemi, Francesco; Vedovato, Gabriele; Yakushin, Igor

    2015-01-01

    We address the problem of noise regression in the output of gravitational-wave (GW) interferometers, using data from the physical environmental monitors (PEM). The objective of the regression analysis is to predict environmental noise in the gravitational-wave channel from the PEM measurements. One of the most promising regression method is based on the construction of Wiener-Kolmogorov filters. Using this method, the seismic noise cancellation from the LIGO GW channel has already been performed. In the presented approach the Wiener-Kolmogorov method has been extended, incorporating banks of Wiener filters in the time-frequency domain, multi-channel analysis and regulation schemes, which greatly enhance the versatility of the regression analysis. Also we presents the first results on regression of the bi-coherent noise in the LIGO data.

  6. A new approach to build VPLS with auto-discovery mechanism

    Science.gov (United States)

    Dong, Ximing; Yu, Shaohua

    2005-11-01

    VPLS is the key technology implemented to provide Layer 2 bridge-like services, connecting dispersed locations to work in a switched LAN over an MPLS backbone. However, implementing VPLS requires creating a complex matrix of services and locations that quickly becomes difficult to configure and maintain. To address this complexity, this paper proposes a new approach to automate the configuration and maintenance of VPLS networks, a node-discovery process in which each router advertises its VPLS-enabled status and capabilities to all other routers. Our approach can be summarized into four steps. (1) Discover other VPLS PE nodes with VPLS capabilities and create the VPLS capable PE routers list. We introduce a finite state machine which includes four states to illustrate the process how a VPLS peer can be discovered and the peer relations be kept alive. (2) Build MPLS LSP tunnels to all the PE routers in the list, according to the advertised VPLS protocol capabilities. (3) Use the lists to create targeted-LDP sessions for VPLS services discovery. (4) VC label assignment. The PE edge routers exchanges messages to define VC labels and bind them with each built PWE. The suggested auto-discovery mechanism is sensitive to any service provider's topology change and customer's service modification. The dynamic process for the FIB building, MAC address learning and withdrawal, is also covered as the result of VPLS auto-discovery. The suggested mechanism can be implemented as a software module and could be seamlessly integrated with currently deployed Metro Ethernet routing and switching platform.

  7. Séminaire de l'enseignement technique : Forum AutoCAD 2006 et AutoCAD Mechanical 2006

    - French version only

    CERN Multimedia

    Davide Vitè

    2005-01-01

    Jeudi 17 novembre 2005 de 14:30 à 16:30 - Training Centre Auditorium, Bât 593 Forum AutoCAD 2006 et AutoCAD Mechanical 2006 CADSCHOOL, CH-1207 GENEVE, Suisse Ce nouveau séminaire de l'Enseignement technique, organisé en forme de forum et en collaboration avec TS-MME et notre entreprise partenaire en formation, sera consacré à la présentation de la nouvelle version d'AutoCAD, AutoCAD 2006 et AutoCAD Mechanical 2006, disponible au CERN. Au programme : Présentation d'AutoCAD Mechanical 2006 Améliorations par rapport à AutoCAD Mechanical 6 Power Pack Questions - Réponses Langue: Français. Séminaire libre, sans inscription. Organisateurs: Manfred Mayer / TS-MME / 74499 ; Davide Vitè / HR-PMD / 75141 Pour plus d'information, veuillez SVP visiter les pages des Séminaires de l'Enseignement Technique à l'adresse http://www.cern.ch/TechnicalTraining/special/TTseminars.asp . ENSEIGNEMENT TECHNIQUE TECHNICAL TRAINING technical.training@cern.ch

  8. Séminaire de l'enseignement technique : Forum AutoCAD 2006 et AutoCAD Mechanical 2006 - French version only

    CERN Multimedia

    Davide Vitè

    2005-01-01

    Jeudi 17 novembre 2005 de 14:30 à 16:30 - Training Centre Auditorium Forum AutoCAD 2006 et AutoCAD Mechanical 2006 CADSCHOOL, CH-1207 GENEVE, Suisse Ce nouveau séminaire de l'Enseignement technique, organisé en forme de forum et en collabora- tion avec TS-MME et notre entreprise partenaire en formation, sera consacré à la présentation de la nouvelle version d'AutoCAD, AutoCAD 2006 et AutoCAD Mechanical 2006, disponible au CERN. Au programme : Présentation d'AutoCAD Mechanical 2006 Améliorations par rapport à AutoCAD Mechanical 6 Power Pack Questions - Réponses Langue: Français. Séminaire libre, sans inscription. Organisateurs: Manfred Mayer / TS-MME / 74499 ; Davide Vitè / HR-PMD / 75141 Pour plus d'information, veuillez SVP visiter les pages des Séminaires de l'Enseignement Technique à l'adresse http://www.cern.ch/TechnicalTraining/special/TTseminars.asp . ENSEIGNEMENT TECHNIQUE TECHNICAL TRAINING technical.training@cern.ch

  9. Detecting the Auto-configuration Attacks on IPv4 and IPv6 Networks

    OpenAIRE

    Li, He

    2015-01-01

    Auto-configuration is a mechanism, which assigns IP address, default gateway address and DNS server address to a node for accessing to the network. On IPv4 network, auto-configuration is done by using DHCP protocol, but IPv6 network has two ways to assign auto-configuration information to a node, which are stateless address configuration by routers and stateful address configuration by DHCPv6 servers. On the auto-configuration phrase, some attackers may be able to inject a counterfeit informa...

  10. AutoCAD在建筑行业中的应用技巧

    Institute of Scientific and Technical Information of China (English)

    尚明玥; 张楼

    2013-01-01

    通过阐述AutoCAD在建筑行业中的重要性,了解AutoCAD技术的优点,结合本人从事AutoCAD教学的多年经验,归纳Auto-C A D技术在建筑行业中的最基本技巧,和实际操作时可能遇到的问题,希望对初学者有帮助。

  11. Up and running with AutoCAD 2014 2D and 3D drawing and modeling

    CERN Document Server

    Gindis, Elliot

    2013-01-01

    Get ""Up and Running"" with AutoCAD using Gindis's combination of step-by-step instruction, examples, and insightful explanations. The emphasis from the beginning is on core concepts and practical application of AutoCAD in architecture, engineering and design. Equally useful in instructor-led classroom training, self-study, or as a professional reference, the book is written with the user in mind by a long-time AutoCAD professional and instructor based on what works in the industry and the classroom. Strips away complexities, both real and perceived, and reduces AutoCAD t

  12. AutoCAD》课程教学改革探讨

    Institute of Scientific and Technical Information of China (English)

    朱四新

    2013-01-01

    本文针对工科类学生的特点,结合以往AutoCAD教学中遇到的问题进行经验总结,从AutoCAD课程现状与存在问题开始分析,提出AutoCAD课程教学的改进方法,将AutoCAD教学“教”与“学”更好地互补和统一起来,以实际图纸进行讲解并加强教学实践环节等方面的教学改革探索.

  13. 浅谈高职AutoCAD课程的教学

    Institute of Scientific and Technical Information of China (English)

    雷华

    2008-01-01

    主要针对AutoCAD课程在高职院校实际教学中存在的问题进行了探讨,结合教学实际,谈谈在AutoCAD教学中的几点体会,并提出相应的改进措施与建议,更新AutoCAD教学内容,构建"三个一"教学模式,以提高AutoCAD教学效率.

  14. AutoCAD课程一体化教学改革的探索

    Institute of Scientific and Technical Information of China (English)

    陈天亮

    2016-01-01

    一体化教学方法有利于提高AutoCAD课程的教学质量.本文分析了AutoCAD传统教学中遇到的问题,提出AutoCAD一体化教学改革的基本思路,并结合教学实际,针对AutoCAD教学改革进行深入探索,以提高教学效率和教学质量.

  15. Up and Running with AutoCAD 2012 2D version

    CERN Document Server

    Gindis, Elliot

    2011-01-01

    Get "Up and Running" with AutoCAD using Gindis' combination of step-by-step instruction, examples, and insightful explanations. The emphasis from the beginning is on core concepts and practical application of AutoCAD in architecture, engineering and design. Equally useful in instructor-led classroom training or self-study, the book is written with the student in mind by a long-time AutoCAD user and instructor based on what works in the industry and the classroomStrips away complexities and reduces AutoCAD to easy-to-understand basic conceptsExplains "why" something is done, not just "how": the

  16. Data-driven facial animation based on manifold Bayesian regression

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Driving facial animation based on tens of tracked markers is a challenging task due to the complex topology and to the non-rigid nature of human faces. We propose a solution named manifold Bayesian regression. First a novel distance metric, the geodesic manifold distance, is introduced to replace the Euclidean distance. The problem of facial animation can be formulated as a sparse warping kernels regression problem, in which the geodesic manifold distance is used for modelling the topology and discontinuities of the face models. The geodesic manifold distance can be adopted in traditional regression methods, e.g. radial basis functions without much tuning. We put facial animation into the framework of Bayesian regression. Bayesian approaches provide an elegant way of dealing with noise and uncertainty. After the covariance matrix is properly modulated, Hybrid Monte Carlo is used to approximate the integration of probabilities and get deformation results. The experimental results showed that our algorithm can robustly produce facial animation with large motions and complex face models.

  17. Doença crônica, auto-avaliação de saúde e comportamento de risco: diferença de gênero Enfermedad crónica, auto-evaluación de salud y comportamiento de riesgo: diferencia de género Chronic diseases, self-perceived health status and health risk behaviors: gender differences

    Directory of Open Access Journals (Sweden)

    Sandhi Maria Barreto

    2009-11-01

    Full Text Available OBJETIVO: Analisar a associação entre relato de doenças crônicas com comportamentos de risco e auto-avaliação da saúde, segundo o gênero. MÉTODOS: Foram incluídos 39.821 participantes com idade >30 anos do sistema de Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (VIGITEL realizado em 27 capitais brasileiras em 2006. A variável dependente foi construída pelo relato de diagnóstico médico de diabetes, hipertensão e infarto e/ou acidente vascular cerebral. Os indivíduos foram agrupados segundo ausência de doença, uma doença crônica, e mais de uma. A associação dessa variável com comportamento de risco (composto por: fumar, consumir carnes com gordura e leite integral, não realizar atividade física regular no lazer, não consumir frutas e hortaliças regularmente e adicionar sal à refeição pronta, auto-avaliação da saúde, indicadores de saúde e sociodemográficos foi investigada por regressão logística multinomial segundo o sexo, tendo como referência a ausência de doença. RESULTADOS: O relato de uma e mais de uma doença crônica foi maior entre homens e mulheres mais velhos e com menor escolaridade, com IMC>30kg/m², e que faziam dieta. Observou-se relação inversa entre número de comportamentos de risco e relato de duas ou mais doenças (OR=0,64; IC 95%: 0,54;0,76 entre homens e (OR=0,86; IC 95%: 0,77;0,97 entre mulheres. Homens (OR=33,61; IC 95%: 15,70;71,93 e mulheres (OR=13,02; IC 95%: 6,86;24,73 que auto-avaliaram a saúde como ruim relataram mais doenças crônicas. Não houve interação estatística entre auto-avaliação da saúde e sexo. CONCLUSÕES: Associação inversa entre número de comportamentos de risco e relato de duas ou mais doenças crônicas sugere causalidade reversa e/ou maior sobrevivência dos que se cuidam melhor. Homens parecem perceber sua saúde pior que as mulheres na presença de doença crônica, após ajustamento por fatores

  18. Auto-avaliação da saúde e fatores associados, Brasil, 2006 Auto-evaluación de la salud y factores asociados, Brasil, 2006 Self-rated health and associated factors, Brazil, 2006

    Directory of Open Access Journals (Sweden)

    Marilisa Berti de Azevedo Barros

    2009-11-01

    Full Text Available OBJETIVO: Avaliar a prevalência de saúde auto-avaliada como ruim e fatores associados. MÉTODOS: Foram analisados dados de 54.213 pessoas com idade >18 anos, coletados pelo sistema de Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (VIGITEL nas capitais brasileiras e Distrito Federal, em 2006. Um residente em cada domicílio, com ao menos uma linha de telefonia fixa, foi sorteado em amostras probabilísticas, respondendo ao questionário. As variáveis independentes analisadas foram de natureza demográfica, comportamental e de morbidade referida. Foram estimadas prevalências e razões de prevalência brutas e ajustadas da saúde auto-avaliada como ruim utilizando regressão de Poisson. RESULTADOS: Saúde auto-avaliada como ruim foi mais freqüente em mulheres, em indivíduos mais idosos, de menor escolaridade, sem atividade ocupacional, e residentes em capitais do Norte e do Nordeste; entre homens, a prevalência de auto-avaliação da saúde ruim foi mais elevada na região Sudeste comparativamente à Sul. Fumar > 20 cigarros/dia, não praticar atividade física no lazer regularmente e apresentar baixo peso ou obesidade associaram-se a auto-avaliação de saúde como sendo ruim em ambos os sexos; pré-obesidade e consumo freqüente de frutas e hortaliças foram significantes entre mulheres e, não assistir televisão, entre os homens. A prevalência de saúde como sendo ruim cresceu com o aumento do número de morbidades referidas. Apresentar quatro ou cinco morbidades resultou em RP=11,4 entre homens e RP=6,9 entre mulheres, em comparação àqueles que não apresentavam morbidades. CONCLUSÕES: Desigualdades regionais, de sexo e escolaridade foram observadas na prevalência da saúde auto-avaliada como ruim, e sua associação com comportamentos nocivos à saúde e comorbidades reforçam a necessidade de estratégias de promoção de hábitos saudáveis e de controle de doenças cr

  19. An Interactive Auto-recharging System for Mobile Robots

    Directory of Open Access Journals (Sweden)

    Kuo-Lan Su

    2014-02-01

    Full Text Available The article describes a new auto-charging system designed to enhance successful docking rates for mobile robots while at the same time monitoring the status of the charging current between the mobile robot and the docking station. The communication interface of the mobile robot and the docking station uses a wireless RF interface. The docking station is designed with one active degree of freedom and two passive degrees of freedom. Users tune the location of the charging pins on the docking station to make it possible for the mobile robot to execute an auto-recharging process. The auto-recharging process uses multiple sensors and a laser range finder located on the mobile robot. The laser range finder searches for a landmark to guide the mobile robot towards the docking station. In the experiment, the power of the mobile robot is under its threshold value. The mobile robot transmits a charging command to the docking station via a wireless RF interface. The docking station transmits a location command back to the mobile robot via this wireless RF interface. The mobile robot uses its laser range finder to search for the landmark of the assigned docking station and programs a motion trajectory to move forward to the docking station. The docking station supplies a charging current to the mobile robot by means of a charger. The power detection module simultaneously detects the charging current and the voltage values of the charging process in both the docking station and the mobile robot. The system can monitor the status of the charging process between the docking station and the mobile robot at any time. The power of the mobile robot is enough to be detected by the power detection module. When the charging process is complete, the docking station turns off the charging current and triggers the mobile robot to leave the docking station via the wireless RF interface.

  20. Productivity enhancement and reliability through AutoAnalysis

    Science.gov (United States)

    Garetto, Anthony; Rademacher, Thomas; Schulz, Kristian

    2015-09-01

    The decreasing size and increasing complexity of photomask features, driven by the push to ever smaller technology nodes, places more and more challenges on the mask house, particularly in terms of yield management and cost reduction. Particularly challenging for mask shops is the inspection, repair and review cycle which requires more time and skill from operators due to the higher number of masks required per technology node and larger nuisance defect counts. While the measurement throughput of the AIMS™ platform has been improved in order to keep pace with these trends, the analysis of aerial images has seen little advancement and remains largely a manual process. This manual analysis of aerial images is time consuming, dependent on the skill level of the operator and significantly contributes to the overall mask manufacturing process flow. AutoAnalysis, the first application available for the FAVOR® platform, offers a solution to these problems by providing fully automated analysis of AIMS™ aerial images. Direct communication with the AIMS™ system allows automated data transfer and analysis parallel to the measurements. User defined report templates allow the relevant data to be output in a manner that can be tailored to various internal needs and support the requests of your customers. Productivity is significantly improved due to the fast analysis, operator time is saved and made available for other tasks and reliability is no longer a concern as the most defective region is always and consistently captured. In this paper the concept and approach of AutoAnalysis will be presented as well as an update to the status of the project. The benefits arising from the use of AutoAnalysis will be discussed in more detail and a study will be performed in order to demonstrate.