基于状态观测器的动态事件触发机制

doi:10.19678/j.issn.1000-3428.0055040

计算机工程 ›› 2020, Vol. 46 ›› Issue (10): 301-307,314. doi: 10.19678/j.issn.1000-3428.0055040

基于状态观测器的动态事件触发机制

朱明健, 樊渊, 张成笑

安徽大学电气工程与自动化学院, 合肥 230601

收稿日期:2019-05-27 修回日期:2019-09-03 发布日期:2019-11-25
作者简介:朱明健(1997-),男,硕士研究生,主研方向为事件触发控制、优化控制;樊渊(通信作者),教授;张成笑,硕士研究生。
基金资助:
国家自然科学基金（61573021）。

Dynamic Event Triggering Mechanism Based on State Observer

ZHU Mingjian, FAN Yuan, ZHANG Chengxiao

School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China

Received:2019-05-27 Revised:2019-09-03 Published:2019-11-25

摘要/Abstract

摘要： 针对内部状态不可测的线性系统，在状态观测器输出反馈的基础上，提出一种动态事件触发机制。采用状态观测器来估计内部状态并设计事件触发机制，利用李雅普诺夫控制理论得到使系统渐近稳定的2个线性矩阵不等式（LMIs），并在求解LMIs的基础上设计控制器中的参数和事件触发条件，同时，通过引入内部动态变量提出一种动态事件触发机制。实验结果表明，该动态事件机制可以避免存在Zeno行为，并通过仿真示例说明理论的正确性和有效性。

关键词: 线性系统, 事件触发机制, 状态观测器, 动态触发, 渐近稳定

Abstract: This paper proposes a dynamic Event Triggering Mechanism(ETM) based on the output feedback of the state observer for linear systems whose internal state is unpredictable.The method uses a state observer to estimate the internal state and designs an event triggering mechanism.Then Lyapunov theory is used to obtain two Linear Matrix Inequalities(LMIs) that make the system asymptotically stable,and based on the solution to LMIs the parameters and event triggering conditions of the controller are designed.At the same time,a dynamic event triggering mechanism is proposed by introducing internal dynamic variables.Experimental results show that this dynamic event triggering mechanism can avoid the existence of Zeno behavior,and the correctness and validity of the theory are illustrated by simulation examples.

Key words: linear system, Event Triggering Mechanism(ETM), state observer, dynamic triggering, asymptotically stable

中图分类号:

TP202

朱明健, 樊渊, 张成笑. 基于状态观测器的动态事件触发机制[J]. 计算机工程, 2020, 46(10): 301-307,314.

ZHU Mingjian, FAN Yuan, ZHANG Chengxiao. Dynamic Event Triggering Mechanism Based on State Observer[J]. Computer Engineering, 2020, 46(10): 301-307,314.

http://www.ecice06.com/CN/Y2020/V46/I10/301

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