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Delay distribution based robust H∞ control of networked control systems with uncertainties

By Chen Peng, Yue Dong and Yu-Chu Tian

Abstract

Network induced delay in networked control systems (NCS) is inherently non-uniformly distributed and behaves with multifractal nature. However, such network characteristics have not been well considered in NCS analysis and synthesis. Making use of the information of the statistical distribution of NCS network induced delay, a delay distribution based stochastic model is adopted to link Quality-of-Control and network Quality-of-Service for NCS with uncertainties. From this model together with a tighter bounding technology for cross terms, H∞ NCS analysis is carried out with significantly improved stability results. Furthermore, a memoryless H∞ controller is designed to stabilize the NCS and to achieve the prescribed disturbance attenuation level. Numerical examples are given to demonstrate the effectiveness of\ud the proposed method

Topics: 090602 Control Systems Robotics and Automation, 080205 Numerical Computation, 010203 Calculus of Variations Systems Theory and Control Theory
Publisher: Blackwell Publishing Asia Pty Ltd
Year: 2010
DOI identifier: 10.1002/asjc.156
OAI identifier: oai:eprints.qut.edu.au:31302

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