具有通信约束的网络化系统动态输出反馈控制

兰州理工大学学报 ›› 2021, Vol. 47 ›› Issue (1): 83-90.

• 自动化技术与计算机技术 • 上一篇下一篇

具有通信约束的网络化系统动态输出反馈控制

祝超群^1,2,3, 李留洋¹, 金辉⁴

1.兰州理工大学电气工程与信息工程学院, 甘肃兰州 730050;
2.兰州理工大学甘肃省工业过程先进控制重点实验室, 甘肃兰州 730050;
3.兰州理工大学电气与控制工程国家级实验教学示范中心, 甘肃兰州 730050;
4.沈阳化工大学信息工程学院, 辽宁沈阳 110142

收稿日期:2019-09-29 出版日期:2021-02-28 发布日期:2021-03-11
作者简介:祝超群(1977-),男,新疆塔城人,博士,副教授.
基金资助:
国家自然科学基金(61563031,61863026)

Dynamic output feedback control of networked system with communication constraints

ZHU Chao-qun^1,2,3, LI Liu-yang¹, JIN Hui⁴

1. College of Electrical and Information Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China;
2. Key Laboratory of Gansu Advanced Control for Industrial Processes, Lanzhou Univ. of Tech., Lanzhou 730050, China;
3. National Demonstration Center for Experimental Electrical and Control Engineering Education, Lanzhou Univ. of Tech., Lanzhou 730050, China;
4. Information Engineering College, Shenyang University of Chemical Technology, Shenyang 110142, China

Received:2019-09-29 Online:2021-02-28 Published:2021-03-11

摘要/Abstract

摘要： 针对一类存在访问约束和时变时延的网络化控制系统,研究了其中的动态输出反馈控制器的设计问题.考虑到介质访问约束服从Markov分布和时变时延的上界小于一个采样周期的情况,将网络化控制系统建模为一类具有不确定性的离散时间Markov跳变系统.根据Lyapunov稳定性理论与状态增广方法,给出了闭环网络化控制系统渐近稳定的充分条件,并设计了动态输出反馈控制器,使得闭环系统渐近稳定.最后通过仿真验证了所提方法的有效性.

关键词: 网络化控制系统, 介质访问约束, 时变时延, 动态输出反馈

Abstract: In this paper, the design of dynamic output feedback controller in networked control systems is studied for a class of networked control systems with access constraints and time-varying delays. Considering that the media access constraint obeys Markov distribution and the upper bound of time-varying delay is less than one sampling period, the networked control system should be built into a kind of uncertain time-discrete Markov jump system in modeling of the system. According to the Lyapunov stability theory and the state augmentation method, the sufficient conditions for the asymptotic stability of the closed-loop networked control system are therefore given, and a dynamic output feedback controller may be designed to make the closed-loop system asymptotically stable. Finally, a numerical example is provided to demonstrate the correctness and effectiveness of the proposed modeling method.

Key words: networked control system, medium access constraints, time-varying delay, dynamic output feedback

中图分类号:

TP18

祝超群, 李留洋, 金辉. 具有通信约束的网络化系统动态输出反馈控制[J]. 兰州理工大学学报, 2021, 47(1): 83-90.

ZHU Chao-qun, LI Liu-yang, JIN Hui. Dynamic output feedback control of networked system with communication constraints[J]. Journal of Lanzhou University of Technology, 2021, 47(1): 83-90.

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具有通信约束的网络化系统动态输出反馈控制

Dynamic output feedback control of networked system with communication constraints

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