针对不确定非线性系统的输入死区约束控制系统研究

doi:10.3969/j.issn.2097-0706.2023.03.005

综合智慧能源 ›› 2023, Vol. 45 ›› Issue (3): 34-40.doi: 10.3969/j.issn.2097-0706.2023.03.005

针对不确定非线性系统的输入死区约束控制系统研究

黄文岐(), 萧仲敏(), 张烨, 洪嘉纯, 马灿洪

广州大学机械与电气工程学院，广州 510006

收稿日期:2022-12-30 修回日期:2023-02-15 出版日期:2023-03-25 发布日期:2023-03-30
通讯作者: 萧仲敏（1975），男，实验师，工程硕士，从事数控技术与CAM、机器人控制等方面的研究，xzhmin@gzhu.edu.cn
作者简介:黄文岐（1996），男，在读硕士研究生，从事智能控制、机器人控制、振动控制以及多智能体协同控制等方面的研究，hwq0456@163.com
基金资助:
广东省教育厅人才项目(2018KQNCX197);广东省自然科学基金项目(2019A1515110995);广州市科技计划项目(202002030286);广州大学校内项目(YG2020009);大学生创新创业训练项目(XJ202011078051)

Research on input dead zone constraint control system for uncertain nonlinear systems

HUANG Wenqi(), XIAO Zhongmin(), ZHANG Ye, HONG Jiachun, MA Canhong

School of Mechanical and Electrical Engineering，Guangzhou University，Guangzhou 510006，China

Received:2022-12-30 Revised:2023-02-15 Online:2023-03-25 Published:2023-03-30
Supported by:
Talent Program of Guangdong Education Department(2018KQNCX197);Natural Science Foundation of Guangdong Province(2019A1515110995);Science and Technology Plan of Guangzhou(202002030286);Internal Project of Guangzhou University(YG2020009);Innovation and Entrepreneurship Training Program for College Students(XJ202011078051)

摘要/Abstract

摘要：

针对一类具有输入死区的不确定非线性系统，提出了一种基于事件触发的模糊自适应控制方法。考虑到函数近似误差是随时间变化的，采用改进过的模糊逻辑系统来解决所考虑系统的不确定部分。为节省系统传输资源，建立了一种包含一个2位信号传输机制的事件触发机制，且在控制设计中引入了设计好的辅助系统，以补偿在实际系统中出现的输入死区所带来的影响。根据理论分析和仿真结果，可以保证所有信号的有界性，并验证了所提方法的有效性。

关键词: 事件触发控制, 输入死区, 模糊逻辑系统, 辅助系统, 2位信号传输, 自适应控制

Abstract:

An event-triggered fuzzy adaptive control is proposed for a class of uncertain nonlinear systems with input dead zones. Considering that the function approximation error changes with time，improved fuzzy logic systems（FLSs）are used to solve the uncertain part of the proposed system. In order to save system transmission resources， an event trigger mechanism taking two-bit signal transmission is established. And a designed auxiliary system is introduced into the controller， to compensate for the impact of input dead zones appearing in the practical system. According to the theoretical analysis and simulation results，the proposed system is effective and can guarantees the boundedness of all signals.

Key words: event-triggered control, input dead zone, fuzzy logic system, auxiliary system, two-bit signal transmission, adaptive control

中图分类号:

TK01

黄文岐, 萧仲敏, 张烨, 洪嘉纯, 马灿洪. 针对不确定非线性系统的输入死区约束控制系统研究[J]. 综合智慧能源, 2023, 45(3): 34-40.

HUANG Wenqi, XIAO Zhongmin, ZHANG Ye, HONG Jiachun, MA Canhong. Research on input dead zone constraint control system for uncertain nonlinear systems[J]. Integrated Intelligent Energy, 2023, 45(3): 34-40.

图/表 2

参考文献 18

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针对不确定非线性系统的输入死区约束控制系统研究

Research on input dead zone constraint control system for uncertain nonlinear systems

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