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Revision And Thinking About Agent-Based Modeling Research To Group Violent Activity, Chen Peng, Jianguo Chen, Hongyong Yuan 2020 1. Institute for Policing Information Engineering, People's Public Security University of China, Beijing 102600, China;;

Revision And Thinking About Agent-Based Modeling Research To Group Violent Activity, Chen Peng, Jianguo Chen, Hongyong Yuan

Journal of System Simulation

Abstract: The current work about Agent-based modeling research on group violent incidents was reviewed, which included the social science theory which undertakes the group violence simulation, the studies about Agent categorization, relationship modeling, Agent emotion production, adaptive decision-making process and evolution of complex behaviors. It was indicated that the constructing of Agent model experienced the process in which the Agent model transited from simplicity to more complexity, thus, focusing on individuality and heterogeneity's model construction which was integrated more on sociology and psychology would become a significant development trend. Following that, some suggestions and thinking which included the principle of …


Simulation-Enable Method Based On Architecture, Qiurui Chen, Xinping Xiong, Duzheng Qing, Zhang Jin 2020 Science and Technology on Special System Simulation Laboratory Beijing Simulation Center, Beijing 100854, China;

Simulation-Enable Method Based On Architecture, Qiurui Chen, Xinping Xiong, Duzheng Qing, Zhang Jin

Journal of System Simulation

Abstract: Requirements of architect simulation-enable were analyzed which conducted the study of the completeness condition for architect execution and architecture description framework was extended. An executable architecture framework satisfied the completeness condition and its development process was proposed, and upon which simulation-enable method based on executable architecture framework was put forward. The theory of mapping and conversion from architecture products to input of simulation platform was introduced. The method provided an available approach to raise the simulation model development efficiency and keep the consistency of the high level design with simulation system. A water distribution system was taken as an …


Research On Precise Modeling And Simulation Of Hob Tooth Moving Trace, Rongchuang Zhang, Wang Jun, Wanshan Wang 2020 1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China;;

Research On Precise Modeling And Simulation Of Hob Tooth Moving Trace, Rongchuang Zhang, Wang Jun, Wanshan Wang

Journal of System Simulation

Abstract: To save inevitable modeling insufficiencies owing to the simplified modeling strategie, simulation system of gear hobbing process based on solid modeling was developed. To realize the precise modeling of hob tooth moving trace, the vector model of the gear hobbing motion based time-driven was put forward, and then the position vector and velocity vector for every trace point were obtained. The velocity vector was specified as first-order vector, position vector as node coordinate and both of them were used to get hob tooth moving trace curve by the spline interpolation. Interpolation accuracies of hob tooth trace curve were obtained …


Combat Crowd Behavior Modeling Based On Multilayered Decision-Making, Xue Qing, Wenchao Xu, Changwei Zheng, Guohui Zhang 2020 Academy of Armored Forces Engineering, Beijing 100072, China;

Combat Crowd Behavior Modeling Based On Multilayered Decision-Making, Xue Qing, Wenchao Xu, Changwei Zheng, Guohui Zhang

Journal of System Simulation

Abstract: Training simulator is one important part of the virtual solider technology application, and the combat crowd behavior research can improve training effect efficiently. The model divided the combat decision-making into five layers: biomechanical, reactive, cognitive, and rational, and constructed combat crowd behavior model; proposed the concept of interaction unit that can save and perform the interaction between agents. The multilayered decision-making system used an oriented graph managed the behavior planning and built the interaction management. The model divided the combat behavior into seven basic behavior in order to simplify the combat goal. The model was used in an equipment …


Target Association Algorithm And Simulation For Radar And Ais Based On Bp Network, Xiaolong Zhang, Jiachun Zheng, Changchuan Lin, Xiaorui Hu, Qiaoping Chen, Shuangshuang Zhu 2020 Jimei University, Xiamen 361021, China;

Target Association Algorithm And Simulation For Radar And Ais Based On Bp Network, Xiaolong Zhang, Jiachun Zheng, Changchuan Lin, Xiaorui Hu, Qiaoping Chen, Shuangshuang Zhu

Journal of System Simulation

Abstract: Radar and AIS (Automatic Identification System) are two kinds of important equipment to obtain targets information in marine traffic, but the content and accuracy of both information are different, which can complement for each other in a certain sense. To hand more reliable and precise of the targets information, information fusion is necessary, and targets association decision is the indispensable stage in the whole process. According to multi-sensor information fusion theory and principle of BP neural network, a targets association algorithm of radar and AIS based on BP network was proposed, after the discussion of net structure design, simulation …


Simulator Of Penicillin Fermentation Process In Matlab/Simulink Environment, Lingjian Ye, Jianghua Cheng 2020 1. Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China;;2. Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China;;

Simulator Of Penicillin Fermentation Process In Matlab/Simulink Environment, Lingjian Ye, Jianghua Cheng

Journal of System Simulation

Abstract: For control and optimization of penicillin fermentation process, a suitable simulator should be developed. PenSim is a world-wide famous simulator for penicillin process, however, it can only generate process data for the purpose of analysis, but not applicable for the real-time control and production optimization. The internal models in Pensim were comprehensively investigated and a new penicillin fermentation simulator was developed in the environment of Matlab/Simulink. The simulator preserves highly kinetic identity with Pensim, yet allowing users to freely define the trajectories of control variables during operation (e.g. the feed rate of substrate), thus suitable for the study of …


Fast Training Model For Image Classification Based On Spatial Information Of Deep Belief Network, Gao Qiang, Yang Wu, Li Qian 2020 Institute of Electrical and Electronic Engineering, North China Electric Power University, Baoding 071003, China;

Fast Training Model For Image Classification Based On Spatial Information Of Deep Belief Network, Gao Qiang, Yang Wu, Li Qian

Journal of System Simulation

Abstract: With the exponential growth of data and the complexity of algorithm, efficient computing of DBN (Deep Belief Network,) has become an important issue. A fast training model for image classification of DBN was built according to sample images of DBN have nothing to do with spatial information, an improved algorithm simply as LSMI(Linear Superposition Multiple Images) was proposed for classifying images based on the idea that linear combination of multiple images. The characteristics of training images have nothing to do with spatial information was proved via information entropy theory, meanwhile, the characteristics was identified to be correct based on …


Study On Performance Of Pure Electric Vehicles Nder Single Energy Source And Dual-Energy Source Based On Bench Test, Shaojian Song, Qingfang Lin, Xiaofeng Lin 2020 School of Electrical Engineering, Guangxi University, Nanning 530004, China;

Study On Performance Of Pure Electric Vehicles Nder Single Energy Source And Dual-Energy Source Based On Bench Test, Shaojian Song, Qingfang Lin, Xiaofeng Lin

Journal of System Simulation

Abstract: With most of the study on performance of the pure electrical vehicles under single energy source and dual-energy source based on virtual vehicle simulation software, such as ADVISOR, PSAT, the mechanical properties of the real vehicle system, the physical properties of the battery pack, the conversion efficiency of the bi-directional DC/DC converter and the response time of the energy management system were ignored, which could not reflect the real vehicle systems accurately. Taking the pure electric vehicle test system as the research object, in which the LiFePO4 battery pack was the main energy source and the ultra-capacitor was …


Project Study Of Adaptive Error Concealment Based On Multi-Texture Direction For H.264 Video Stream, Xiaohong Zhang, Ting Hu 2020 School of Information Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China;

Project Study Of Adaptive Error Concealment Based On Multi-Texture Direction For H.264 Video Stream, Xiaohong Zhang, Ting Hu

Journal of System Simulation

Abstract: The smoothness of restored video is poor to the complex-texture block for the H.264 standard error concealment algorithm. Aiming at the H.264 questions, the project of adaptive error concealment based on multi-texture direction was proposed. Two thresholding methods were used to set the thresholding of Sobel edge detection algorithm, and the proposed Sobel algorithm was judged to detection the edges of adjacent. Cost function of the boundary pixel difference was combined with to determine the interpolation direction for each pixel of error block, and then, the error block was recovered by the interpolation direction of each pixel. JM8.6 simulation …


Simulation Study Of Multiple Model Decentralized-Coordinated Predictive Control For Hybrid Wind-Thermal Power System, Yuguang Niu, Xiaoming Li, Shilin Wang, Zhongwei Lin 2020 1. State Key Laboratory for Alternate Electric Power System with Renewable Energy SourceNorth China Electric Power University, Beijing 102206, China;;

Simulation Study Of Multiple Model Decentralized-Coordinated Predictive Control For Hybrid Wind-Thermal Power System, Yuguang Niu, Xiaoming Li, Shilin Wang, Zhongwei Lin

Journal of System Simulation

Abstract: The large-scale integration of wind power presents a higher requirement of power system operation and control. A multiple model predictive control based decentralized coordinated control, which combined the characteristics of multiple model predictive control (MPC) and interaction measurement modeling, was proposed and applied to the simulation study of a hybrid wind-thermal power system. In order to enhance the resistance against the stochastic disturbance from wind turbine, an augment correlative measured method was employed to hybrid power system modeling. The Bayesian probability based iteration method was employed to calculate the model weighting. A simple, generic hybrid power system model was …


Partially Observed System Design Method Realizing Unambiguous Fault Diagnosis, Fang Huan, Lu Yang, Yue Feng, Junming Guan 2020 1. School of Computer & Information, Heifei University of Technology, Hefei 230009, China;;2. College of Science, Anhui University of Science & Technology, Huainan 232001, China;;

Partially Observed System Design Method Realizing Unambiguous Fault Diagnosis, Fang Huan, Lu Yang, Yue Feng, Junming Guan

Journal of System Simulation

Abstract: The construction methodology of partially observed system realizing unambiguous fault diagnosis was studied. The observable places determination algorithm OPD was proposed, and the necessary and sufficient condition for solution existence of the algorithm with polynomial time complexity was presented, then it is proved that all transitions in the modeled system could be distinguished by setting SO. The system operating state determination algorithm SOSD was presented based on the OPD algorithm. The proposed SOSD algorithm was realized by 1-step forward marking computation of observable places set $S_O$, it doesn't rely on the initial marking $M_0$ of the controlled …


Simulation Analysis On Radial Diffusion Model For Solidification Process Of Carbon Fiber Production, Lihong Ren, Xu Feng, Yongsheng Ding, Zhang Tao 2020 1. College of Information Sciences and Technology, Donghua University, Shanghai 201620, China;;2. Engineering Research Center of Digitized Textile and Fashion Technology of Ministry of Education, Shanghai 201620, China;

Simulation Analysis On Radial Diffusion Model For Solidification Process Of Carbon Fiber Production, Lihong Ren, Xu Feng, Yongsheng Ding, Zhang Tao

Journal of System Simulation

Abstract: Considering that Polyacrylonitrile Dimethyl Sulfoxide solution and Dimethyl Sulfoxide aqueous solution were used as the spinning dope and coagulating liquid respectively, the solidification process in spinning system of carbon fiber was studied. The radial concentration distribution and the curve of time-dependence concentration were proposed. The influence of the spinning conditions on the solidification process was investigated by changing the parameters of the model. The results show that extending the coagulation time by using coarser article spinning or increasing the solid content in dope can help to obtain the fiber with uniform structure and densification. The proposed method has good …


Dynamic Offense And Defense Conversion Strategy Of Robot Soccer Based On Ant Colony System, Xianlun Tang, Jialin Zhou, Lamei Li, Zhang Yi 2020 Key Laboratory of Industrial Internet of Things & Networked Control, Ministry of Education, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;

Dynamic Offense And Defense Conversion Strategy Of Robot Soccer Based On Ant Colony System, Xianlun Tang, Jialin Zhou, Lamei Li, Zhang Yi

Journal of System Simulation

Abstract: In order to improve the offense and defense capability of robot soccer, a dynamic offense and defense conversion strategy of robot soccer based on hybrid communication mechanism of ant colony system was proposed. The mechanism enhanced robots' collaboration capabilities and avoided the conflict or task deadlock. The strategy divided the region and established the formation according to the sub-regional pheromone, and the position of the ball was regarded as the drive information. Experimental results in FIRA simulation platform show that the dynamic offense and defense conversion strategy have better performance and improve the global offense and defense capability, so …


Fault Diagnosis For Automobile Coating Equipments Based On Extension Neural Network, Yongwei Ye, Shedong Ren, Lianqiang Ye, Shenhao Ge, Zhiqin Qian 2020 College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;

Fault Diagnosis For Automobile Coating Equipments Based On Extension Neural Network, Yongwei Ye, Shedong Ren, Lianqiang Ye, Shenhao Ge, Zhiqin Qian

Journal of System Simulation

Abstract: Aiming at the difficulty in discovering and eliminating the system faults of automobile coating equipments in time, a new method of fault diagnosis based on extension neural network was proposed. The feature of extension theory was used in managing the structured information through qualitative and quantitative description, and it was also combined by the characteristic of parallel construct in neural network. So the extension reasoning process was completed by means of the parallel distributed processing construct of the network. Matter-element input and output models were established according to the equipment monitoring parameters and fault types for the heating system. …


Polynomial Neural Network With Direct Solutions And Its Interpretation Of Inputs, Shen Wei, Qiushi Li, Yukun Song 2020 Department of Economics and Management of North China Electric Power University, Beijing 102206, China;

Polynomial Neural Network With Direct Solutions And Its Interpretation Of Inputs, Shen Wei, Qiushi Li, Yukun Song

Journal of System Simulation

Abstract: The generalized multivariate polynomial neural network and single-hidden-layer generalized multivariate polynomial neural network were designed and systematically studied, and the existence of the optimal weight vector was proved which could make the network the best approximation polynomial for an unknown function; The concepts of the natural upper and lower nodes in the hidden layer were created, and an indicator “value of importance” was creatively designed and the partial derivative analysis was introduced to solve the problem that the neural network was not able to interpret the relationship between variables. The weight vector directly was solved proving it optimal. In …


Game Theory Based Self-Adaptive Power Control Algorithm For Cognitive Radio Networks, Zhonggui Ma, Ban Sha, Guimei Chen, Linqi Chen 2020 Department of Communication Engineering, School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China;

Game Theory Based Self-Adaptive Power Control Algorithm For Cognitive Radio Networks, Zhonggui Ma, Ban Sha, Guimei Chen, Linqi Chen

Journal of System Simulation

Abstract: In order to meet all cognitive users' demands in the Cognitive Radio Networks(CRNs), non-cooperative game theory was used to model power control in the CRNs, and an adaptive power control algorithm for the CRNs was put forward using payoff unction and comprehensive cost function as utility function. Meanwhile, distances from the base station, stability of the algorithm and the interference between different cognitive users were considered. The existence and uniqueness of the Nash equilibrium were analyzed. By using the comprehensive cost function, each cognitive user in a non-cooperative game becomes cooperative and the Nash equilibrium can be convergent to …


Research On Model Predictive Control With Dual Feedback Based On State Extension, Zho Xilin, Lijuan Yin 2020 Department of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, China;

Research On Model Predictive Control With Dual Feedback Based On State Extension, Zho Xilin, Lijuan Yin

Journal of System Simulation

Abstract: Depending on the online implementation demand of Model Predictive Control (MPC) for the receding horizon control characteristic, a control strategy of dual feedback structure based on state extension was proposed. The control strategy was aimed to improve the online computational capability about the control system to achieve the control target without any change of the system information. Based on the analysis of the characteristic of MPC, the extension and conversion method of state variable was proposed according to the relationship between state variable, control variable, output variable and system model. And the structure of the control system after state …


Prediction And Estimation Of 95% Distillation Point Diesel In Delayed Coking Unit Based On Kernel Partial Least Squares, Cheng Jian, Lingbo Zhang, Xingsheng Gu 2020 Key Laboratory of Advanced Control and Optimization for Chemical Processes, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China;

Prediction And Estimation Of 95% Distillation Point Diesel In Delayed Coking Unit Based On Kernel Partial Least Squares, Cheng Jian, Lingbo Zhang, Xingsheng Gu

Journal of System Simulation

Abstract: In order to save labor cost and time of 95% distillation point of diesel analysis, and improve the efficiency of adjusting the device, an algorithm was proposed to predict 95% distillation point of diesel based on Kernel Partial Least Squares(KPLS), on the basis of studying the process of delayed coking unit and analyzing the main factors related to 95% distillation point of diesel. The experiment results show that this algorithm can deal with the non-linear relationship among the variables effectively and quickly. Furthermore, the results also show that the model based on KPLS is better than that based on …


Research On Electronic-Protection Circuit Of Chopper Cascade Speed System Based On Matlab, Yongguang Ma, Zhaoyan Zhang, Xingwu Wang, Bingshu Wang, Yaming Yuan 2020 1. Department of Automation North China Electric Power University, Baoding 071003, China;;

Research On Electronic-Protection Circuit Of Chopper Cascade Speed System Based On Matlab, Yongguang Ma, Zhaoyan Zhang, Xingwu Wang, Bingshu Wang, Yaming Yuan

Journal of System Simulation

Abstract: According to the topology of conventional chopper cascade speed system, the transient process of main loop during of contactor operation was analyzed when device failed. Because the contactor action required a longer time, equipment was vulnerable to the impact of high voltage, high current during the contactor action, which caused damage to power electronic devices. For contactors' drawbacks, the main circuit topology with electronic protection circuit was designed. Then transient process of conventional chopper cascade speed system and chopper cascade speed system with electronic protection circuit under high voltage power failure conditions was analyzed, and theoretics was detailedly deduced. …


Infrared Radiation Modeling Of Planets Based On Vsop87 Theory, Guo Feng, Xiaojian Xu 2020 School of Electronic Information Engineering, Beihang University, Beijing 100191, China;

Infrared Radiation Modeling Of Planets Based On Vsop87 Theory, Guo Feng, Xiaojian Xu

Journal of System Simulation

Abstract: Based on the Variations Seculaires des Orbites Planetaires (VSOP) 87 theory, an approach for generating infrared radiant scene of planetary background was presented. With the VSOP87 theory, the heliocentric coordinates of eight planets in the solar system were worked out at given time. The coordinates were revised by time correction so that real coordinates were achieved. The corrected heliocentric ecliptic coordinates of planets were converted into geocentric horizontal coordinates according to the position of the observer. After that, the projected coordinates and projected radiuses of planets were achieved from projection transformation based on the field of view (FOV) and …


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