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Observer Based H∞ Control Problem for Linear discrete time systems with Multiple Left Sub-Static-Output and Weighted Right Sub-Static-Output Feedback

Observer Based H∞ Control Problem for Linear Discrete Time ...

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第25届中国控制会议

作者： Xu Xiaojic School of Electrical Engineering, Wuhan University, Wuhan 430072

The observer based discrete time H∞, control problem with multiple left sub-static-output and weighted right sub-static-output feedback is discussed. Necessary and sufficient conditions for the existence of an admissible controller solving the problem are given. Also, the admissible controller solving the problem is parametrized. The approach is based on two discrete time Riccati equations.

关键词： H∞ control optimal control observer static output feedback discrete time system

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Reliable H∞ Controller Design of discrete time systems with Actuator faults

Reliable H∞ Controller Design of Discrete Time Systems with...

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2010 Chinese Control and Decision Conference

作者： Guanmin Li,Fuzhong Whang Shenyang Institute of Engineering,Shenyang 110136,P.R.China

For discrete time systems,this paper concerns the design problem of reliable pole placement in a specified disk with an Hperformance bound.A reliable controller design method is developed against actuator *** method is based on Hperformance and multiobjective optimization in terms of LMI.A given Hperformance bound of the actuator faults cases is guaranteed and the performance in the normal case is *** results show the effectiveness of the design method.

关键词： discrete time system Reliable Actuator failures

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H_∞ State Feedback Delay-dependent Control for discrete systems with Multi-time-delay

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International Journal of Automation and computing 2005年第2期2卷 107-113页

作者： Bai-Da Qu Control Science and Engineering Center, Southern Yangtze University, 1800 Lihu Road, Wuxi 214122, PRC Control Science and Engineering Center Southern Yangtze University Wuxi PRC

In this paper, H ∞ state feedback control with delay information for discrete systems with multi-time-delay is discussed. Making use of linear matrix inequality (LMI) approach, a time-delay-dependent criterion for a discrete system with multi-time-delay to satisfy H ∞ performance indices is induced, and then a strategy for H ∞ state feedback control with delay values for plant with multi-time-delay is obtained. By solving corresponding LMI, a delay-dependent state feedback controller satisfying H ∞ performance indices is designed. Finally, a simulation example demonstrates the validity of the proposed approach. Keywords Multi-time-delay - discrete time system - LMI - delay-dependent - H ∞ control Bai-Da Qu received B. S. degree in electrical automation from Fuxin Mining Institute, China in 1982, M. Eng. degree from Hefei University of Polytechnology in 1990, and Ph.D from Northerneastern University in 1999. He was an electro-mechanical engineer at Erdaohezi Mine, Heilongjiang, China from 1982 to 1990, a Lecturer, Senior Engineer, Associate Professor and Professor in Shenyang Institue of Technology from 1990 to 2002. He is currently a professor in Communication and Control Engineering School, Southern Yangtze University. His research interests include control theory and applications (robust control, H ∞ control, time-delay systems, complex systems), system engineering (modeling, analysis and simulation, MIS,CMIS), power-electronics and electrical driving, signal detecting and process, industrial automation.

关键词： Multi-time-delay discrete time system LMI delay-dependent H ∞ control

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Recent Results on Stability Analysis and Synthesis of discrete-time systems

Recent Results on Stability Analysis and Synthesis of Discre...

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第二十四届中国控制会议

作者： Zhongping Jiang~, Yuandan Lin Yuan Wang 1 Dept. of Electrical & Compu!er Engineering, Polytechnic University Six Metrotech Center, Brooklyn, NY 11201, USA 2 Dept. of Mathematical Sciences, Florida Atlantic University 777 Glades Road, Boca Raton, FL33431, USA

＜正＞ In this work we discuss some recent work on input-to-state stability for discrete time systems, including its extension to input-to-output stability applied to a more general context where only partial stability is considered. A small gain theorem is presented for interconnected systems in terms of input-to-output gain functions.

关键词： discrete time system nonlinear robust stability input-to-state stability Lyapunov method.

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