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Delay-Dependent Robust H_∞ Control for Uncertain 2-D Discrete State Delay Systems Described by the General Model

机译:通用模型描述的不确定二维离散状态时滞系统的时滞相关鲁棒H_∞控制

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摘要

This paper considers the problem of delay-dependent robust optimal H_∞, control for a class of uncertain two-dimensional (2-D) discrete state delay systems described by the general model (GM). The parameter uncertainties are assumed to be norm-bounded. A linear matrix inequality (LMI)-based sufficient condition for the existence of delay-dependent γ-suboptimal state feedback robust H_∞ controllers which guarantees not only the asymptotic stability of the closed-loop system, but also the H_∞ noise attenuation y over all admissible parameter uncertainties is established. Furthermore, a convex optimization problem is formulated to design a delay-dependent state feedback robust optimal H_∞ controller which minimizes the H_∞ noise attenuation /of the closed-loop system. Finally, an illustrative example is provided to demonstrate the effectiveness of the proposed method.
机译:本文考虑了通用模型(GM)描述的一类不确定的二维(2-D)离散状态时滞系统的时滞相关鲁棒最优H_∞控制问题。假设参数不确定性是有界的。基于线性矩阵不等式(LMI)的充分条件,用于存在依赖于延迟的γ次优状态反馈鲁棒H_∞控制器,这不仅保证了闭环系统的渐近稳定性,而且还保证了H_∞噪声衰减y确定所有可接受的参数不确定性。此外,提出了一个凸优化问题,以设计一个与时滞有关的状态反馈鲁棒最优H_∞控制器,该控制器使闭环系统的H_∞噪声衰减最小。最后,提供了一个示例性例子来证明所提出方法的有效性。

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