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H_∞ FAULT DETECTION AND CONTROL FOR CONTINUOUS-TIME TAKAGI-SUGENO FUZZY SYSTEMS

机译:用于连续时间Takagi-Sugeno模糊系统的故障检测与控制

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摘要

This paper studies the fault detection and control problem for nonlinear continuous-time fuzzy systems. The nonlinear control systems are modeled through a Takagi-Sugeno model. The main idea focuses on designing a fault detection observer and controller such that the impact of the unknown inputs and the faults on the system is minimized in the sense of the H_∞ norm. To develop sufficient condition of exponential stability, we design an observer to construct the residual signal and the controller by using the Lyapunov function and the H_∞ performance. The results are established in terms of linear matrix inequalities (LMIs). Finally, simulations results are provided to verify the effectiveness of the presented scheme.
机译:本文研究了非线性连续时间模糊系统的故障检测和控制问题。非线性控制系统通过Takagi-Sugeno模型进行建模。主要思想侧重于设计故障检测观察者和控制器,使得未知输入的影响和系统上的故障在H_‖规范的意义上最小化。为了开发足够的指数稳定条件,我们设计了一种观察者,通过使用Lyapunov函数和H_‖性能来构造残差信号和控制器。结果是以线性矩阵不等式(LMI)建立的。最后,提供了模拟结果以验证所提出的方案的有效性。

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