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A Periodic Event-Triggered Design of Robust Filtering for T-S Fuzzy Discrete-Time Systems

机译:T-S模糊离散系统的鲁棒滤波的周期事件触发设计

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摘要

Periodic event-triggered control (PETC) is a control strategy consisting of event-triggered control (ETC) and conventional periodic sampled-data control. By using event-triggering mechanisms (ETM) to periodically verify whether or not to transmit and compute the measured output, communication and computational datum are significantly reduced while still retaining a satisfactory performance. This paper investigates the PETC scheme of robust H∞ filtering for a class of uncertain discrete-time Takagi-Sugeno (T-S) fuzzy systems, where the sample time is assumed to be a constant. To analyze the filtering problems of the PETC strategy, we present two frameworks based on perturbed linear and piecewise linear systems, to model filtering error systems. Sufficient conditions for the existence of a robust H∞ filter are derived in the form of matrix inequalities (LMIs) under these two frameworks, respectively. Finally, a simulation example is used to testify to the effectiveness of the proposed approach.
机译:周期性事件触发控制(PETC)是一种由事件触发控制(ETC)和常规周期性采样数据控制组成的控制策略。通过使用事件触发机制(ETM)定期验证是否传输和计算测量的输出,可以显着减少通信和计算数据,同时仍保持令人满意的性能。本文研究了健壮的 H ∞滤波,其中采样时间假定为常数。为了分析PETC策略的过滤问题,我们提出了两个基于扰动线性和分段线性系统的框架,以对过滤误差系统进行建模。健壮的 H ∞滤波器。最后,通过仿真实例验证了所提方法的有效性。

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