Open Access. Powered by Scholars. Published by Universities.®

Operations Research, Systems Engineering and Industrial Engineering Commons™

Open Access. Powered by Scholars. Published by Universities.®

2019

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 151 - 180 of 1263

Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

Research On Fuzzy Adaptive Somatosensory Algorithm For Flight Simulator, Wang Hui, Baofeng Zhang Dec 2019

Research On Fuzzy Adaptive Somatosensory Algorithm For Flight Simulator, Wang Hui, Baofeng Zhang

Journal of System Simulation

Abstract: In order to improve the dynamic fidelity of flight simulator and make full use of the working space, the corresponding improvement scheme of the classical washout algorithm is proposed based on the Stewart motion platform. A two-way fuzzy adaptive elution algorithm is proposed.The algorithm is more in line with the sensory model of the human body by combining the two-way filtering algorithm improvement and the one-dimensional fuzzy adaptive adjustment to compensate the displacement of the high-pass acceleration channel according to the fuzzy rule. The results show that the improved two-way fuzzy adaptive filtering algorithm improves the displacement space from …

Go to article

Analysis On The Mission Reliability For Auv Based On Monte Carlo Method, Li Juan, Kunyu Zhang, Haibo Li, Lijuan Yang, Mengdi Wang Dec 2019

Analysis On The Mission Reliability For Auv Based On Monte Carlo Method, Li Juan, Kunyu Zhang, Haibo Li, Lijuan Yang, Mengdi Wang

Journal of System Simulation

Abstract: The high reliability of AUV is the necessary condition for it to complete the task satisfactorily and efficiently within the specified time. Traditional fault tree is very convenient for describing the reliability model of the system, but for large and complex system, this will significantly increase the computation of reliability parameters, thus the calculation is difficult. Because it to calculate the reliability parameters of complex systems by the traditional fault tree, this paper adopts the method of combining the minimum cut set of fault tree and Monte Carlo method to establish the reliability model for Underwater Autonomous Unmanned Vehicle …

Go to article

Dynamic Inventory Routing Optimization Based On Deep Reinforcement Learning, Jianpin Zhou, Shuliu Zhang Dec 2019

Dynamic Inventory Routing Optimization Based On Deep Reinforcement Learning, Jianpin Zhou, Shuliu Zhang

Journal of System Simulation

Abstract: Aiming at the dynamic stochastic inventory routing problem with periodic fluctuation of demand, a novel simulation optimization approach based on deep reinforcement learning is proposed to achieving periodic steady strategy. Firstly a dynamic combinatorial optimization model is constructed. Then, by deep reinforcement learning and setting heuristic rules, the replenishment nodes set selection and the replenishment batch allocation weights in each period are determined. The simulation experimental results show that the proposed method can improve the average profit of a cycle by about 2.7% and 3.9% in low fluctuating demand case and by about 8.2% and 7.1% in high fluctuating …

Go to article

A Dorsal Hand Vein Extraction Algorithm For Region Of Interest, Li Qi, Jianjiang Cui, Dingyu Xue, Hongyu Geng Dec 2019

A Dorsal Hand Vein Extraction Algorithm For Region Of Interest, Li Qi, Jianjiang Cui, Dingyu Xue, Hongyu Geng

Journal of System Simulation

Abstract: The rotation and translation of dorsal hand result in deviation, which brings interference during recognizing valid region when collecting dorsal hand vein image. In order to locate valid recognition area quickly, an extraction algorithm for region of interest based on maximum inscribed circle is proposed in view of the characteristics of the collected image. For the collected dorsal hand vein image, this algorithm calculates the center of the maximum inscribed circle and the center of mass, and the rotation angle of the dorsal hand is calculated. The position of the dorsal hand vein image is corrected and the recognition …

Go to article

Corner Localization In Digital Images Based On Radon Transform, Xuguang Wang, Zhang Qin, Su Jie Dec 2019

Corner Localization In Digital Images Based On Radon Transform, Xuguang Wang, Zhang Qin, Su Jie

Journal of System Simulation

Abstract: Location accuracy is one of the key indexes of measuring the performance of feature point.. High location accuracy feature point detection has important implications for the applications such as 3D reconstruction, motion estimation, target tracking and recognition, image registration, etc. A corner location algorithm based on Radon transform is proposed.Edge binary images are obtained with traditional method first, ideal straight lines and curves are extracted then, potential corner locations are calculated next, fake corners are rejected finally. Experimental results on both simulation and real images show that, this method performs better than the existing methods on interest point localization …

Go to article

Research On Hwil Simulation Of Rf/Ir Dual-Mode Sensors Based On Compact Antenna, Gao Yang, Ma Jing, Huiyang Qu, Qun Wei, Jindong Fei Dec 2019

Research On Hwil Simulation Of Rf/Ir Dual-Mode Sensors Based On Compact Antenna, Gao Yang, Ma Jing, Huiyang Qu, Qun Wei, Jindong Fei

Journal of System Simulation

Abstract: The advent of RF/IR dual-mode sensor technology in the more and more completed detecting environment has led to the requirement of simulation tools that are necessary to test dual-mode sensor. The hardware-in-the-loop simulation experiment and test of the radio frequency/infrared composite sensor are carried out.A RF/IR dual-mode simulation method based on the Compact antenna test ranges is proposed here. This system consists of IR simulator, RF simulator, beam-combiner etc. The testing result shows that RF/IR dual-mode simulation system has abilities of IR transmission and RF reflection, and could be used in RF/IR dual-mode sensor simulation.

Go to article

Simulation And Analysis On The Moving Performance Of Quiet Zone On Compact Antenna Test Range, Liwei Guo, Simin Li, Ma Jing, Peng Lin, Jiang Xing Dec 2019

Simulation And Analysis On The Moving Performance Of Quiet Zone On Compact Antenna Test Range, Liwei Guo, Simin Li, Ma Jing, Peng Lin, Jiang Xing

Journal of System Simulation

Abstract: Compact Antenna Test Range (CATR) is an important equipment for Radar-Cross Section test. In order to generate an approximate Uniform Plane Wave (UPW) illuminating environmentand satisfy far field conditions of antenna measurement, the quiet zone scanning of the compact antenna test range is studied by controlling the phase of the array feeding. When the three-tuple array feed and the 2×2 array feed are simulated and only phase changes, the array feed beam scanning is controlled to realize the quiet zone scanning characteristics.The movement characteristics of the quiet zone for the compact antenna test range is analyzed. The movement of …

Go to article

Study On Model And Accumulation Rule For Departure Check-In Queues, Zhiwei Xing, Junxian Jiang, Luo Xiao, Luo Qian, Yang Yang Dec 2019

Study On Model And Accumulation Rule For Departure Check-In Queues, Zhiwei Xing, Junxian Jiang, Luo Xiao, Luo Qian, Yang Yang

Journal of System Simulation

Abstract: The aggregation rule of departure passengers in the terminal building is studied in combination with human behavior dynamics. Based on this, the change rule of queuing length of departing passengers on non-full-open check-in island is studied. The queuing process is discretized by introducing the concept of time series, and the queue length Markov Chain is obtained in the serpentine queuing form. Then, the aggregation rate of each time series is predicted by the single-flight departure passenger aggregation model. By selecting the appropriate value of the check-in counter service rate, the check-in queuing length model of multiple adjacent flights is …

Go to article

Multi-Objective Model Of Distribution Route Problem For Fresh Electricity Commerce Under Uncertain Demand, Zhang Qian, Xiong Ying, Mingke He, Zhang Hao Dec 2019

Multi-Objective Model Of Distribution Route Problem For Fresh Electricity Commerce Under Uncertain Demand, Zhang Qian, Xiong Ying, Mingke He, Zhang Hao

Journal of System Simulation

Abstract: Considering the distribution cost, freshness of fresh products, carbon emissions and customer demand uncertainty and other factors, a multi-objective optimization model of distribution path planning is established. Based on the robust optimization method for dealing with uncertain problems, the multi-objective model of distribution routing planning is optimized for the situation that the discrete demand belongs to the uncertainty set of ellipsoid. The model is solved by using the main target method and fruit fly algorithm. It is proved that the model and algorithm are robust and can effectively suppress the disturbance caused by the uncertainty of the demand. This …

Go to article

Flow Stability Of Hunt Flow Under Low-Intensity Magnetic Field, Dong Shuai, Li Shuang, Xuemin Ye Dec 2019

Flow Stability Of Hunt Flow Under Low-Intensity Magnetic Field, Dong Shuai, Li Shuang, Xuemin Ye

Journal of System Simulation

Abstract: The stability of conducting fluid flow in ducts under magnetic field is vital to materials preparation and the design and operation of thermonuclear fusion cooling system. A model of MHD duct flow which is known as Hunt’s flow is simulated by non-normal mode stability analysis in this study.. The amplification and distribution of optimal primary perturbations are obtained by solving iteratively the direct and adjoint governing equations with respect of the perturbation variables. Four modes of perturbations with different symmetries in the space are considered, and the effect of the low-intensity magnetic field is also taken into …

Go to article

Research On Sins/Gps Integrated Navigation System Based On Grid Reference Frame For Transpolar Aircraft, Lijun Song, Zhe Li, Qiangwen Fu, He Bo Dec 2019

Research On Sins/Gps Integrated Navigation System Based On Grid Reference Frame For Transpolar Aircraft, Lijun Song, Zhe Li, Qiangwen Fu, He Bo

Journal of System Simulation

Abstract: The mechanics equations of grid navigation system are improved and analyzed in the paper. It is simulated that the SINS/GPS Integrated Navigation System works in the low latitude region and the polar regions. The theoretic is supported by the research of the SINS/GPS Integrated Navigation System working in the polar regions. The result of simulation shows that the performance of SINS/GPS Integrated Navigation System is improved and the shortcomings of SINS and GPS are avoided. By comparing the simulation results of the SINS/GPS Integrated Navigation System, the navigation precision is consistent when the SINS/GPS Integrated Navigation System works …

Go to article

Research On Urban Rail Transit Route Choice Decision Based On The Improved Imperialist Competition Algorithm, Xiaofeng Lian, Ye Lu, Wang Yan, Limin Jia, Huiru Ma Dec 2019

Research On Urban Rail Transit Route Choice Decision Based On The Improved Imperialist Competition Algorithm, Xiaofeng Lian, Ye Lu, Wang Yan, Limin Jia, Huiru Ma

Journal of System Simulation

Abstract: This paper proposes a method of passenger route selection based on the imperialist competition improvement algorithm (FAST-ICA) to improve the efficiency of passenger route selection. Six key factors influencing the choice of passenger route are selected. On this basis, the generalized travel cost function is constructed and the passenger route selection model is established. By improving the imperial competition way in the imperialist competition algorithm (ICA), the weakest imperial groups are quickly divided up in each iteration of ICA algorithm to accelerate the convergence rate. Based on the proposed FAST-ICA algorithm, the problem of passenger choice in different environments …

Go to article

Research On Fluid Dynamics Simulation Of Welding Pool Based On Sph Method, Benkai Xie, Zhou Qiang, Li Qin, Ruijun Lin Dec 2019

Research On Fluid Dynamics Simulation Of Welding Pool Based On Sph Method, Benkai Xie, Zhou Qiang, Li Qin, Ruijun Lin

Journal of System Simulation

Abstract: In the development of virtual welding training equipment, real-time interactive simulation of weld forming is the key technology. The current simulation method of weld formation is studied in this pape..For the problem of long time computation and no sense of fluid motion in weld simulation process, a simulation method of weld forming simulation based on smooth particle hydrodynamics is proposed. This method includes the calculation of temperature field which can calculate the fluid particle temperature and modify the updating step of fluid particles according to the temperature of fluid particles. This can realize the transformation of fluid particles from …

Go to article

Simulation Analysis Of Head And Neck Injuries For Aircrew Escape System During Traction Rescue, Bohao Xing, Qianxing Zhou, Xingwei Wang, Yuan Yue Dec 2019

Simulation Analysis Of Head And Neck Injuries For Aircrew Escape System During Traction Rescue, Bohao Xing, Qianxing Zhou, Xingwei Wang, Yuan Yue

Journal of System Simulation

Abstract: The biomechanical response of human head and neck was studied to safeguard the helicopter aircrew in the traction escape process. A finite element model of human head and neck was established based on the Chinese pilot’s stature standard. The simulation and experiment results were compared to verify the validity of the model. The simulations under different period overload accelerations obtained from manikin traction aircrew escape experiment were performed to analyze the injuries of human head and neck in the processes of one shoulder traction and both shoulders traction. By an analysis of the head impact and acceleration, the simulation …

Go to article

Airplane Pre-Conditioning Optimizing Control Based On Large-Scale System Theory, Xiuyan Wang, Gewen Zhang, Zhou Chen, Zongshuai Li, Yanmin Liu Dec 2019

Airplane Pre-Conditioning Optimizing Control Based On Large-Scale System Theory, Xiuyan Wang, Gewen Zhang, Zhou Chen, Zongshuai Li, Yanmin Liu

Journal of System Simulation

Abstract: Aiming at airplane pre-conditioning optimizing control, a modified OPBM (Output Predicition and Balance Method) was introduced. Taking Boing 737 airplane pre-conditioning as the research subject, the decentralized identification algorithm was adopted for establishing the airplane pre-conditioning large-scale system model; the optimal objective considering the system energy consumption, air conditioning area human comfort, and air quality was proposed; and the global system optimization operating condition model was constructed. The OPBMLF with local feedback was designed to optimize globally airplane pre-conditioning system model. Matlab was used for achieving simulation research, and the results was compared with the real data. The results …

Go to article

Optimization Simulation Analysis Of Process Parameters On Sunroof Roller Hemming Quality Of Car, Haijiang Liu, Qingqing Xu, Tang Da Dec 2019

Optimization Simulation Analysis Of Process Parameters On Sunroof Roller Hemming Quality Of Car, Haijiang Liu, Qingqing Xu, Tang Da

Journal of System Simulation

Abstract: In order to solve the problems of car creep or roll-in and grow or roll-out and wave wrinkling defects in the process of sunroof roller hemming, two quantitative indicators of roller hemming—“coefficient of wave wrinkling” T and “coefficient of creep or roll-in and grow or roll-out” D were put forward in terms of the flange height, roll diameter and distance of TCP-RTP (tool center point-robot target point); a simulation experiment was designed based on orthogonal test; and a finite element model was established. By analyzing the simulation experiment data, the weights and trends of the influence factors on …

Go to article

Multi Objective Flexible Load Scheduling In Smart Home Based On Grey Wolf Algorithm, Bao Yi, Dai Bo, Zhihua Wang, Wanliang Wang Dec 2019

Multi Objective Flexible Load Scheduling In Smart Home Based On Grey Wolf Algorithm, Bao Yi, Dai Bo, Zhihua Wang, Wanliang Wang

Journal of System Simulation

Abstract: A three level electricity price model is designed based on the electricity consumption. A comfort model of multi parameters is designed for optimizing the grid load control of temperature and the humidity, light intensity and human activity. Grey wolf algorithm is used to solve the multi-objective problem. The grey wolf algorithm has its superiority in solving high dimensional and multi peak of complex function problems. Theoretical and experimental analysis shows that the grey wolf algorithm in accuracy and stability is better than particle swarm optimization algorithm and differential evolution algorithm. The simulation results show that the proposed algorithm can …

Go to article

Multi-Source Precipitation Data Fusion Method Based On Filtersim, Kunwei Li, You Xiong, Zhang Xin, Fen Tang Dec 2019

Multi-Source Precipitation Data Fusion Method Based On Filtersim, Kunwei Li, You Xiong, Zhang Xin, Fen Tang

Journal of System Simulation

Abstract: Rainfall is an important factor affecting the vehicle off-road maneuver. High-precision rainfall data is a prerequisite for evaluating battlefield off-road traffic capacity quantitatively and developing a program of action reasonably. In view of the shortcomings of traditional interpolation methods, the flitersim multi-point statistical method is used to improve the fusion accuracy of multi-source precipitation data. The rainfall is decomposed into the sum of the local mean and the local residual, the local residuals of the satellite precipitation data are used as the "training data", the local residual data of the weather stations are used as the "hard data", and …

Go to article

Credibility Evaluation Method Of Small Sample Data Based On Cluster Cloud Model, Jianmin Wang, Yunjie Wu Dec 2019

Credibility Evaluation Method Of Small Sample Data Based On Cluster Cloud Model, Jianmin Wang, Yunjie Wu

Journal of System Simulation

Abstract: In practical engineering, the system credibility evaluation with small amount of data and no evaluation criteria has always been a difficult problem for engineers. Aiming at this problem, a small sample data credibility evaluation method combining clustering method and cloud model is proposed. The clustering method is used to calculate the cluster center value for the small sample, and the cloud model is established based on this. The expanded value for small sample data is generated by the cloud model. The credibility of small sample data can be calculated according to the confidence distribution of cloud drops. It can …

Go to article

Credible Optimum Selection Of Guidance System Simulation Based On Entropy Weight Vikor Method, Wenguang Yang, Yunjie Wu Dec 2019

Credible Optimum Selection Of Guidance System Simulation Based On Entropy Weight Vikor Method, Wenguang Yang, Yunjie Wu

Journal of System Simulation

Abstract: As the core component of the missile system, the guidance system plays an increasingly important role in the design of missile system. In order to improve the accuracy of the guidance system, this paper obtains the experimental data under a number of parameter design schemes by means of simulation experiments. The problem of simulation credibility verification of guidance system is transformed into multi-attribute decision-making optimization problem, and a parameter optimization method of guidance system based on improved VIKOR method is designed. The improved VIKOR method overcomes the phenomenon of rank reversal and ensures that the optimal final compromise solution …

Go to article

Simulation Of Helicopter Anti-Submarine Route Planning, Zhu Zhi, Yonglin Lei, Yifan Zhu Dec 2019

Simulation Of Helicopter Anti-Submarine Route Planning, Zhu Zhi, Yonglin Lei, Yifan Zhu

Journal of System Simulation

Abstract: Simulation of helicopter anti-submarine tactics not only requires pure theory analysis, but also needs an efficient simulation system support. Current anti-submarine tactics in the search phase include the use of dipping sonar and sonobuoys. A simulation case is designed based on equipment on service; the evaluation of above tactics on helix square, parallel round, and line spread using dipping sonar is presented. The tactics on the circle, square, and triangle using sonobuoys are evaluated as well. It shows that the proposed method can improve the efficiency of simulation application development, so as to meet the requirements of simulation-based military …

Go to article

Temperature Field Simulation Analysis Of Common Rail Injector Based On Multi-Field Coupling, Yutao Chen, Zuoqun Wang, Zhengwei Long, Mingrui Zhang, Qingsong An, Guibing Chen Dec 2019

Temperature Field Simulation Analysis Of Common Rail Injector Based On Multi-Field Coupling, Yutao Chen, Zuoqun Wang, Zhengwei Long, Mingrui Zhang, Qingsong An, Guibing Chen

Journal of System Simulation

Abstract: The reliability of high pressure common rail injector depends on the calculation accuracy of its temperature changing. Due to the temperature measurement limitation and difficulty, in order to obtain more detailed temperature distribution, a coupling physical model is established in this paper based on multi-fields coupling analysis method, and a method based on the uni-directional coupling for calculating the temperature distribution of injector accurately is developed. The results show that the convective heat transfer coefficient varies with the flow state and the multi-field coupling method can correct the convective heat transfer coefficient according to the flow state automatically, which …

Go to article

Surgery Simulation Of Internal Fixation For Compression Fractures, Xie Cui, Junmei Geng, Li Jian, Junyu Dong Dec 2019

Surgery Simulation Of Internal Fixation For Compression Fractures, Xie Cui, Junmei Geng, Li Jian, Junyu Dong

Journal of System Simulation

Abstract: Virtual surgery simulation provides new means for medical surgery training with realism and immersion. A virtual surgery simulation of internal fixation for compression fractures is designed and implemented. By constructing 3D surgical scene, making deformation animation, adopting multi-level colliders combination and switching method for collision detection, and designing a multi-factors force feedback model to compute the tactile force and mapping the values to the different levels of vibration intensity of the HTC handle, combining with voice guidance and UI visual feedback, a visual, audible and tactile multi-channel surgical experience can be obtained. The system provides a guiding training module …

Go to article

Face Skin Detection And Color Transferring, Fangfang Chen, Zhongping Ji Dec 2019

Face Skin Detection And Color Transferring, Fangfang Chen, Zhongping Ji

Journal of System Simulation

Abstract: The reliable and accurate extraction of facial skin is a key and urgent problem for skin detection. This paper proposes a face alignment and GMM (Gaussian mixture model) to achieve face skin detection. We use the SCUT-FBP5500 face database, combined with SOM (self-organizing Maps) and K-means clustering method to cluster 9 pairs of facial features, and then use ResNet50 to predict face score. The color migration algorithm based on Lab space is used to migrate and edit the face color.The facts prove that the method has certain effect.

Go to article

Pulse Signal Detection Based On Dual Extended Duffing Oscillators, Wenmao Luo Dec 2019

Pulse Signal Detection Based On Dual Extended Duffing Oscillators, Wenmao Luo

Journal of System Simulation

Abstract: Because the chaotic oscillator can detect signal under lower SNR than the usual signal detection methods, it has been widely studied. In order to extend the application range of the existing chaotic oscillator to aperiodic pulse signal detection, a detection method based on dual Duffing oscillator is proposed. The method uses the difference between the state variables of two generalized time scale Duffing oscillators to detect signal. By selecting the system parameters rationally, the method can detect aperiodic square pulse while the SNR is as low as -30 dB, and detect signals at lower SNR than existing methods. …

Go to article

Dynamic Shadow Detection And Tracking Of Online Video From Mobile View, Youpeng Zhang, Wang Chun, Yanli Liu Dec 2019

Dynamic Shadow Detection And Tracking Of Online Video From Mobile View, Youpeng Zhang, Wang Chun, Yanli Liu

Journal of System Simulation

Abstract: A shadow edge detection and tracking framework based on optical flow tracking in outdoor scenes is proposed. The SVM is trained by using the edge information features extracted from the known results; the optical flow tracking is performed on the two frames before and after; and the SVM model is used to identify the points corresponding to the shadow features from the neighborhood Canny confidence edges of the unstable tracking points. A method for dynamically updating the SVM is designed for the new material problem of the scene caused by the viewpoint movement. The complexity of the shadow projection …

Go to article

Research On Physical Simulation Method Of Micro-Doppler Effect Of Laser Scattering Echo, Du Jian, Zhang Xing, Hongming Zhao, Gao Yang, Cao Qiang, Xinlan Zhang Dec 2019

Research On Physical Simulation Method Of Micro-Doppler Effect Of Laser Scattering Echo, Du Jian, Zhang Xing, Hongming Zhao, Gao Yang, Cao Qiang, Xinlan Zhang

Journal of System Simulation

Abstract: In order to realize the physical simulation of the micro-Doppler effect of laser detection echo, a mathematical model of micro-Doppler effect for single-point motion is established. Two physics simulation methods for laser scattering echo micro-Doppler effect based on controllable vibrator and acousto-optical modulator are proposed, and two experiment systems are set up. The experimental results show that the two methods can achieve the modulation of laser wave echo. The advantage of the simulation scheme based on controllable vibration is that the simulation results are closer to the actual situation, but the frequency modulation range is smaller, while the …

Go to article

Study On Simulation Technology Of Bi-/Multistatic Sar Radio Echo, Liu Jin, Zhe Liu, Ni Hong, Qingchang Tao Dec 2019

Study On Simulation Technology Of Bi-/Multistatic Sar Radio Echo, Liu Jin, Zhe Liu, Ni Hong, Qingchang Tao

Journal of System Simulation

Abstract: A real-time bi-/multistatic synthetic aperture radar (SAR) radio frequency signal simulation method for three-dimensional scene target is proposed. This method divides scene map with 5*5m resolution and presets ackscattering-coefficient. According to the flight path and geometrical model, the key parameters such as the range between SAR and target and the weighting coefficient of the antenna pattern can be calculated. Then, the real-time simulation of bi-/multistatic SAR echo signal is realized in complex scenes by utilizing fast time-domain convolution. The validity of the method is proved by simulation.

Go to article

Research On Cost-Effectiveness Analysis And Modeling Of Equipment, Yueqiang Zhao, An Shi, Mai Qiang, Yinyin Lin Dec 2019

Research On Cost-Effectiveness Analysis And Modeling Of Equipment, Yueqiang Zhao, An Shi, Mai Qiang, Yinyin Lin

Journal of System Simulation

Abstract: There are many methods to study the cost effectiveness analysis of equipment. It is very important to choose the right method and method combination . On this basis of analyzing and sorting out the research status at home and abroad, the collation and comparative study of cost estimation methods and modeling methods are carried out.The methods and classifications of effectiveness evaluation and calculating and aggregating efficiency indicators are sorted out. The methods suitable for cost-effectiveness analysis and decision-making are summarized. The characteristics of these methods in the analysis of equipment system and their applicability to engineering application are pointed …

Go to article

Gpr Modeling Method Based On Kernel Slow Feature Analysis And Time Delay Estimation, Huilai Peng, Weili Xiong Dec 2019

Gpr Modeling Method Based On Kernel Slow Feature Analysis And Time Delay Estimation, Huilai Peng, Weili Xiong

Journal of System Simulation

Abstract: A Gaussian process regression modeling method based on kernel slow feature analysis is proposed to deal with the time delay and nonlinear characteristics in industrial processes. The time delay in the industrial data is effectively extracted by fuzzy curve analysis and the optimal time-delay in the data is obtained. The model data is reconstructed based on the optimal delay. The method of kernel slow feature analysis is used to extract the nonlinear features of the reconstructed data. The Gaussian process regression model is established based on the extracted features. The effectiveness and performance of the method are verified by …

Go to article

First Prev Next Last