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Robust static output feedback H-infinity control for uncertain fuzzy systems

机译:不确定模糊系统的鲁棒静态输出反馈H-∞控制

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摘要

This paper will focus on robust static output feedback (SOF) H-infinity control for discrete-time Takagi-Sugeno (T-S) fuzzy systems with time-varying norm bounded uncertainties. First, a new H-infinity performance analysis criterion is proposed for the fuzzy systems. Then, sufficient conditions for designing fuzzy SOF H-infinity controllers are given in terms of solutions to a set of linear matrix inequalities (LMIs). In contrast to the existing methods for designing the SOF H-infinity controllers, the output matrices of the considered fuzzy system are allowed to be non-common and to have uncertainties. Moreover, theoretical proof is given to show that the proposed design conditions include some existing results as special cases. Simulation examples are provided to show the effectiveness of the proposed design method. (C) 2014 Elsevier B.V. All rights reserved.
机译:本文将关注具有时变范数有界不确定性的离散时间Takagi-Sugeno(T-S)模糊系统的鲁棒静态输出反馈(SOF)H无穷大控制。首先,针对模糊系统提出了一种新的H-无穷大性能分析准则。然后,根据一组线性矩阵不等式(LMI)的解,给出了设计模糊SOF H-无限控制器的充分条件。与设计SOF H-infinity控制器的现有方法相比,所考虑的模糊系统的输出矩阵不常见且具有不确定性。此外,理论证明表明所提出的设计条件包括一些已有的结果作为特殊情况。仿真算例表明了所提出设计方法的有效性。 (C)2014 Elsevier B.V.保留所有权利。

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