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Observer-Based Output Feedback Stochastic Stabilization for T-S Fuzzy Systems with Input Delay  

Lee, Sang In (연세대학교 전기전자공학부)
Park, Jin Bae (연세대학교 전기전자공학부)
Joo, Young Hoon (군산대학교 정자정보공학부)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.14, no.3, 2004 , pp. 298-303 More about this Journal
Abstract
This paper deals with a stochastic stabilization of observer-based output-feedback control Takagi-Sugeno (T-S) fuzzy system with Markovian input delay. The finite Markovian process is adopted to model the input delay of the overall control system. It is assumed that the zero and hold devices are used for control input. The continuous-time T-S fuzzy system with the Markovian input delay is discretized for easy handling delay, accordingly, the discretized T-S fuzzy system is represented by a discrete-time T-S fuzzy system with jumping parameters. The stochastic stabilizability of the jump T-S fuzzy system is derived and formulated in terms of linear matrix inequalities (LMIs). The usefulness of the proposed algorithm is also certificated by simulation of 2 degree of freedom helicopter model.
Keywords
T-S fuzzy system; input delay system; Markovian jump systems; linear matrix inequality; fuzzy observer;
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