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| Received:July 31, 2008Revised:April 27, 2011 |
| 基金项目:This work was supported by the National Natural Science Foundation of China (No. 60974001). |
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| Gain scheduled L-two-L-infinity filtering for neutral systems with jumping and time-varying parameters |
| Yanyan YIN,Fei LIU,Yan SHI |
| (Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), Institute of Automation, Jiangnan University;School of Industrial Engineering, Tokai University) |
| Abstract: |
| In this paper, global exponential stochastic stability based continuous gain-scheduled robust L-two-Linfinity filtering problem is studied for a class of stochastic neutral systems subject to time-varying parameters. First, the stochastic time-varying neutral systems are described by a series of stochastic time-constant systems at some selected time points, then based on stochastic Lyapunov-Krasovskii functional approach, a new globally exponentially stochastically stabilizable criterion is derived for each of the jumping system by means of linear matrix inequalities. Subsequently, Ltwo-L-infinity filtering systems are designed for such linear jump systems. Finally, continuous gain-scheduled approach is employed to design time-varying filter systems for the whole working region. A simulation example shows the effectiveness and potential of the developed techniques. |
| Key words: Time-varying neutral system Gain scheduling Exponential stochastic stability L-two-L-infinity filtering Markov jump |
