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Title: | Robust H∞ fuzzy output-feedback control with multiple probabilistic delays and multiple missing measurements |
Authors: | Dong, H Wang, Z Ho, DWC Gao, H |
Keywords: | Discrete-time fuzzy systems;Fuzzy control;Multiple missing measurements;Multiple probabilistic time delays;Networked-control systems (NCSs);Robust H∞ control;Stochastic systems |
Issue Date: | 2010 |
Publisher: | IEEE |
Citation: | IEEE Transactions on Fuzzy systems 18(4): 712 - 725, Aug 2010 |
Abstract: | In this paper, the robust H∞-control problem is investigated for a class of uncertain discrete-time fuzzy systems with both multiple probabilistic delays and multiple missing measurements. A sequence of random variables, all of which are mutually independent but obey the Bernoulli distribution, is introduced to account for the probabilistic communication delays. The measurement-missing phenomenon occurs in a random way. The missing probability for each sensor satisfies a certain probabilistic distribution in the interval. Here, the attention is focused on the analysis and design of H∞ fuzzy output-feedback controllers such that the closed-loop Takagi-Sugeno (T-S) fuzzy-control system is exponentially stable in the mean square. The disturbance-rejection attenuation is constrained to a given level by means of the H∞-performance index. Intensive analysis is carried out to obtain sufficient conditions for the existence of admissible output feedback controllers, which ensures the exponential stability as well as the prescribed H∞ performance. The cone-complementarity-linearization procedure is employed to cast the controller-design problem into a sequential minimization one that is solved by the semi-definite program method. Simulation results are utilized to demonstrate the effectiveness of the proposed design technique in this paper. |
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URI: | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5444946 http://bura.brunel.ac.uk/handle/2438/4719 |
DOI: | http://dx.doi.org/10.1109/TFUZZ.2010.2047648 |
ISSN: | 1063-6706 |
Appears in Collections: | Computer Science Dept of Computer Science Research Papers |
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