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Distributed Leader-following Swarm of Heterogeneous Multi-agent systems *

IFAC Proceedings Volumes 2013年第13期46卷 13-18页

作者： Haili Liang Housheng Su Xiaofan Wang Michael Z.Q. Chen Department of Automation Shanghai Jiao Tong University and Key Laboratory of System Control and Information Processing Ministry of Education of China Shanghai 200240 China School of Automation Image Processing and Intelligent Control Key Laboratory of Education Ministry of China Huazhong University of Science and Technology Luoyu Road 1037 Wuhan 430074 China Department of Mechanical Engineering The University of Hong Kong Hong Kong

This paper investigates distributed leader-following swarm of heterogeneous multi-agent systems. Comparing with the existing works on leader-following swarm of homogeneous multi-agent systems, this paper is much more approaching the practical situation because the agents have different dynamics. We show that the heterogeneous followers will gather with a certain error lever under some assumptions and conditions. The stability properties have been proven by theoretical analysis and verified via numerical simulation. The stability of the heterogeneous multi-agent systems has been achieved based on matrix theory and the Lyapunov stability theorem. Numerical simulation is given to demonstrate the effectiveness of the theoretical result.

关键词： Swarm Multi-agent systems Heterogeneous systems Distributed control

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Swarm Stability of Heterogeneous Multi-agent systems via Periodically Intermittent control

Swarm Stability of Heterogeneous Multi-agent Systems via Per...

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第三十二届中国控制会议

作者： Haili Liang Housheng Su Xiaofan Wang Michael Z. Q. Chen Department of Automation Shanghai Jiao Tong University and Key Laboratory of System Control and Information Processing Ministry of Education of China School of Automation Image Processing and Intelligent Control Key Laboratory of Education Ministry of China Huazhong University of Science and Technology Department of Mechanical Engineering The University of Hong Kong

ISBN: (纸本)9789881563835

This paper investigates distributed leader-following swarm stability of heterogeneous multi-agent systems with periodically intermittent control. We assume that the agents in the network are nonidentical and the coupling matrix is balanced. Each heterogeneous follower is assumed to obtain some information from the leader and the neighbors only on a series of periodically time intervals. We show that the system will be exponentially stable. The stability properties are proved via theoretical analysis and verified via numerical simulations. The stability of the heterogeneous multi-agent systems is proved based on matrix theory and the Lyapunov stability theorem. A numerical example is shown to demonstrate the effectiveness of the theoretical result.

关键词： Multi-agent systems, Heterogeneous systems, Intermittent control, Swarm

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Hybrid dynamic model of polymer electrolyte membrane fuel cell stack using variable neural network

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Journal of Beijing Institute of Technology 2012年第3期21卷 354-361页

作者：李鹏陈杰蔡涛王光辉 School of Automation Beijing Institute of Technology Key Laboratory of Complex System Intelligent Control and Decision Ministry of EducationBeijing Institute of Technology

The polymer electrolyte membrane（PEM） fuel cell has been regarded as a potential alternative power source,and a model is necessary for its design,control and power management.A hybrid dynamic model of PEM fuel cell,which combines the advantages of mechanism model and black-box model,is proposed in this *** improve the performance,the static neural network and variable neural network are used to build the black-box *** static neural network can significantly improve the static performance of the hybrid model,and the variable neural network makes the hybrid dynamic model predict the real PEM fuel cell behavior with required ***,the hybrid dynamic model is validated with a 500 W PEM fuel *** static and transient experiment results show that the hybrid dynamic model can predict the behavior of the fuel cell stack accurately and therefore can be effectively utilized in practical application.

关键词： PEM fuel cell variable neural network hybrid dynamic model

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Investigation on the exciplex and electroplex based on 2-(4- trifluoromethyl-2-hydroxyphenyl)benzothiazole] zinc as donor or acceptor

Investigation on the exciplex and electroplex based on 2-(4-...

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Asia Communications and Photonics Conference, ACP 2012

作者： Song, Jingcheng Wang, Wenyan Yan, Zhengfu Hao, Yuying Cui, Yanxia Ji, Ting College of Physics and Optoelectronics Taiyuan University of Technology Taiyuan 030024 China Key Lab of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan 030024 China

The electroplex or exciplex between 2-(4- trifluoromethyl-2-hydroxyphenyl) benzothiazole] zinc [Zn(4-TfmBTZ)2] and several charge transport materials is investigated. This investigation is significant for utilizing ef... 详细信息

ISBN: (纸本)9781557529572

关键词： Zinc

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Recent development of silicon nanowire FET biosensor for DNA detection

Recent development of silicon nanowire FET biosensor for DNA...

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2012 International Conference on Computing, Measurement, control and Sensor Network, CMCSN 2012

作者： Fan, Xuge Sang, Sengbo Hu, Jie Li, Peiwei Li, Gang Zhang, Wendong MicroNano System Research Center Information Engineering College Taiyuan University of Technology China Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

ISBN: (纸本)9780769547381

Recently biosensors based on silicon nanowire field-effect transistors (SiNW-FETs) have drawn huge amounts of attention, due to their ultrasensitivity, selectivity, label-free and real-time detection abilities. As people know more and more knowledge of the structure and function of nucleic acid molecules, DNA detection has gained importance increasingly. Here, we briefly summarize major fabrication methods in synthesising SiNW-FETs and selectively describe some applications of SiNW-FET biosensors in DNA detection over the past few years. Some key results from each article are summarized, involving the concept and mechanism behind each sensor, with the aim of stimulating more efforts in developing SiNW-FET biosensors for detecting DNA. © 2012 Crown Copyright.

关键词： Biosensors

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Improvement of hydraulic edge position control system by proportion sliding mode of self-tuning switching gain

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Research Journal of Applied Sciences, Engineering and Technology 2012年第21期4卷 4237-4244页

作者： Baoquan, Jin Dongbing, Chen Key Lab of Ministry of Education for Advanced Transducers and Intelligent Control System Taiyuan University of Technology China

Aiming at the problem of tracking performance degradation of hydraulic EPC system caused by time-varying inertia parameters, nonlinear and external disturbances, the proportion sliding mode control of fuzzy self-tuning gain was proposed. The EPC system state space model on deviation parameters was established and the main feedback sliding mode switching algorithm was designed. The fuzzy method was used to dynamically adjust the proportion sliding mode switching gain by product of the switching function and its derivative state and to adaptive compensate for the uncertainty of the system. At the same time to ensure the effectiveness of the design strategy, the controller model and physical model worked together to simulate the actual conditions. The fixed switching gain switch was, respectively greater and smaller and compared with the fuzzy self-tuning gain, in which the latter achieves a fast and coordinated control of chattering. The results show that after comprehensive consideration all interference the system is stable, fast response, high accuracy and to solve chattering problem caused by the traditional large switching gain of proportion sliding mode. © Maxwell Scientific Organization, 2012.

关键词： Sliding mode control

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Unsupervised robust adaptive filtering against impulsive noise

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Journal of systems Engineering and Electronics 2012年第1期23卷 32-39页

作者： Tao Ma Jie Chen Wenjie Chen Zhihong Peng School of Automation Beijing Institute of Technology Beijing 100081 R R. China Key Laboratory of Complex System Intelligent Control and Decision （Ministry of Education） Beijing Institute of Technology Beijing 100081 P. R. China

An implementation of adaptive filtering, composed of an unsupervised adaptive filter （UAF）, a multi-step forward linear predictor （FLP）, and an unsupervised multi-step adaptive predictor （UMAP）, is built for suppressing impulsive noise in unknown circumstances. This filtering scheme, called unsupervised robust adaptive filter （URAF）, possesses a switching structure, which ensures the robustness against impulsive noise. The FLP is used to detect the possible impulsive noise added to the signal, if the signal is ＂impulse-free＂, the filter UAF can estimate the clean sig- nal. If there exists impulsive noise, the impulse corrupted samples are replaced by predicted ones from the FLP, and then the UMAP estimates the clean signal. Both the simulation and experimental results show that the URAF has a better rate of convergence than the most recent universal filter, and is effective to restrict large disturbance like impulsive noise when the universal filter fails.

关键词： adaptive filtering unsupervised form impulse insen- sitive switching structure.

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Coal mine water monitoring system based on CAN bus

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International Journal of Advancements in Computing Technology 2012年第23期4卷 309-318页

作者： Jin, Baoquan Zhao, Yuanpeng Li, Jin Key Lab of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan China

Aiming at the drawbacks of the existing mine water level monitoring system, a new set of water level monitoring system are developed, this system can cover the entire coal mine working environment. The mine substations are designed with single chip microcomputers MSP430F169 as their core processors. The system uses the CAN bus communication to communicate among devices. After compared the existing CAN controller and transceiver, the chip MCP2515 is selected as CAN controller and the chip TJA1040 is used as CAN transceivers to constitute the CAN bus communication modules, achieving the technical function that sending and receiving messages through the CAN bus. Studies show that the CAN bus communication has greatly improved the accuracy rate of data transmission, has efficiently connected the underlying devices, making the barrier-free transmission of information among monitoring systems has met the requirements of field use.

关键词： Monitoring

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I-V characteristics of the metal-semiconductor junction

I-V characteristics of the metal-semiconductor junction

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2012 International Conference on Computing, Measurement, control and Sensor Network, CMCSN 2012

作者： Ma, Wenzhe Zhang, Wendong Li, Pengwei Hu, Jie Li, Gang Sang, Shengbo MicroNano System Research Center Information Engineering College Taiyuan University of Technology Taiyuan Shanxi China Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

ISBN: (纸本)9780769547381

The electrical characteristic test of nanowires is important in nano-materials research. The metal-semiconductor junction that is fabricated with semiconductor nanowire and metal probe in electrical test system has impact on the test result directly, therefore it's necessary to study I-V characteristics of the metal-semiconductor(M-S) junction. Si,ZnO,GaN have been selected from multiple semiconductor materials. When they connected with tungsten probe, all of them formed Schottky barriers, but the relationships between current and voltage of the junctions are distinct. In the thesis, I-V curves of these M-S junctions are compared, and the best electrical performance of M-S junction is selected. © 2012 IEEE.

关键词： Nanowires

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The design of burglar alarm circuit based on the magnetic field sensor

The design of burglar alarm circuit based on the magnetic fi...

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2012 International Conference on Computing, Measurement, control and Sensor Network, CMCSN 2012

作者： Deng, Lili Sang, Shengbo Zhang, Wendong Li, Pengwei Hu, Jie Li, Gang Feng, Hui Tang, Xiaoliang MicroNano System Research Center Information Engineering College Taiyuan University of Technology Taiyuan Shanxi China Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

ISBN: (纸本)9780769547381

This paper introduces a design method and a hardware circuit of burglar alarm circuit based on the magnetic field sensor, which can be used to achieve the protection of valuables. The circuit design is ingenious, and has the characteristics of simple structure, light weight, small size, timeliness, high sensitivity and low cost. It has been proved to have a stable and reliable performance by experiment. © 2012 IEEE.

关键词： Timing circuits

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