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2010 Chinese Control and Decision Conference

作者： Kang Wang~1,Yanjun Shen~2,Wanhai Liu~1,Qinghua Jiang~1 1.College of Science,China Three Gorges University,Yichang,443002 2.Institute of Nonlinear and Complex systems,Yichang,443002,China

In this paper,the concept of Hcontrol for discrete-time systems is extended over a finite-time interval,we discuss the finite-time control Hproblem for discrete-time Unear system with time-varying norm-bounded exogenous disturbance,the main aim is to design a state feedback controller which guarantees that the closed-loop system is finitetime boundedness and reduces the effect of the disturbance input on the controlled *** order to solve the problem, some sufficient conditions which can be reduced to feasibility problem involving LMIs are ***,a numerical example is given to demonstrate the efficiency of the proposed method.

关键词： discrete-time linear system exogenous disturbance H∞control LMI

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New results on robust H-infinity control for discrete-time systems with interval time-varying delays

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控制理论与应用（英文版） 2011年第4期9卷 611-616页

作者： Jianchen LIU Jing ZHANG Min HE Hongqiang ZHANG College of Electrical and Information Engineering Hunan University Changsha Hunan 410082 China Institute of Information and Electrical Engineering Hunan University of Science and Technology Xiangtan Hunan 411201 China

This paper deals with delay-dependent robust H-infinity control for uncertain discrete-time systems with interval time-varying delay. By using a new Lyapunov functional and the convex combination method, a new delay-dependent stability criterion is established. Some redundant variable matrices are removed in the new conditions, which makes the obtained results more efficient. Then, an iterative algorithm based on the cone complementarity linearization method is proposed to obtain the delay-dependent robust H-infinity controller. Numerical examples are given to show the effectiveness of the proposed method.

关键词： time-varying delay discrete-time linear system H-infinity control Delay-dependent

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Delay-dependent robust H-infinity control for discrete-time uncertain systems with time-varying state delays

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控制理论与应用（英文版） 2006年第4期4卷 355-360页

作者： Xianming ZHANG Min WU Jinhua SHE Dongsheng HAN School of Information Science and Engineering Central South University Changsha Hunan 410083 China School of Mathematical Science and Computing Technology Central South University Changsha Hunan 410083 China School of Bionics Tokyo University of Technology Tokyo 192-0982 Japan Faculty of Business and Inforrnatics Central Queensland University Rockhampton 4702 Australia

This paper examines the delay-dependent H-infinity control problem for discrete-time linear systems with time-varying state delays and norm-bounded uncertainties. A new inequality for the finite sum of quadratic terms is first established. Then, some new delay-dependent criteria are derived by employing the new inequality to guarantee the robust stability of a closed-loop system with a prescribed H-infinity norm bound for all admissible uncertainties and bounded time-vary delays. A numerical example demonstrates that the proposed method is an improvement over existing ones.

关键词： time-varying delay discrete-time linear system Delay-dependent H-infinity control Finite-sum inequality Memoryless state feedback

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维普期刊数据库

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Robust Stability and Performance Comparison of PID and PPI Control

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Journal of Shanghai Jiaotong university(Science) 2004年第1期9卷 1-5页

作者：任正云张红邵惠鹤 Dept. of Automation Shanghai Jiaotong Univ School of Chemical Eng. Shanghai Univ. of Eng. Technology

Predictive PI (PPI) control form, capable of time delay compensation, has been put forward recently. This control algorithm is essentially a PI controller with enhanced derivative action, which is not only suitable for long time delay process, but also of simple structure and excellent robust stability. The performance of PPI controller was demonstrated and compared with that of traditional PID controller by different tuning methods.

关键词： PID predictive PI robust stability time delay discrete-time linear system characteristic polynomial

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Human Behavior-Based Particle Swarm Optimization:Stability Analysis

Human Behavior-Based Particle Swarm Optimization:Stability A...

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第37届中国控制会议

作者： Hao Liu Yue Zhang Liangping Tu Yue Wang School of Science University of Science and Technology Liaoning

Particle swarm optimization(PSO) is a research hotspot in the fields of swarm *** improved particle swarm optimization algorithm HPSO,which is based on human learning behavior,can effectively increase the population diversity,convergence speed and accuracy by changing particles’ flight *** this paper,the HPSO algorithm is theoretically analyzed from the perspective of discrete-time linear system,the relevant criteria for guaranteeing the convergence of the HPSO are *** provides a theoretical basis for the parameter setting in the algorithm,and reduce the dependence of the HPSO algorithm on parameters by enhancing randomness of the *** experimental results based on the derived criteria confirm the performance.

关键词： Particle Swarm Optimization Stability Analysis discrete-time linear system

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