[1]金 璇,刘文慧.时滞非线性参数系统有限时间状态约束控制[J].南京师范大学学报(工程技术版),2021,21(02):040-46.[doi:10.3969/j.issn.1672-1292.2021.02.007]
　Jin Xuan,Liu Wenhui.Finite-Time Control of Parameterized Nonlinear Systemswith Full-State Constraints and Input Delay[J].Journal of Nanjing Normal University(Engineering and Technology),2021,21(02):040-46.[doi:10.3969/j.issn.1672-1292.2021.02.007]
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时滞非线性参数系统有限时间状态约束控制
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
21卷
期数:
2021年02期
页码:
040-46
栏目:
控制科学与工程
出版日期:
2021-06-30

文章信息/Info

Title:
Finite-Time Control of Parameterized Nonlinear Systemswith Full-State Constraints and Input Delay
文章编号:
1672-1292(2021)02-0040-07
作者:
金 璇; 刘文慧
南京师范大学南瑞电气与自动化学院,江苏 南京 210023
Author(s):
Jin Xuan; Liu Wenhui
NARI School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210023,China
关键词:
非线性系统; 输入迟滞; 自适应有限时间控制; Barrier Lyapunov函数; 全状态约束
Keywords:
nonlinear system; input delay; adaptive finite-time control; Barrier Lyapunov function; full state constraints
分类号:
TP13
DOI:
10.3969/j.issn.1672-1292.2021.02.007
文献标志码:
A
摘要:
研究了具有输入时滞、有界外部干扰以及全状态约束的严格反馈连续时间参数化非线性系统的自适应有限时间跟踪控制问题. 通过使用Barrier Lyapunov函数和自适应反步法,保证了系统所有状态都被约束. 针对输入时滞问题,采用pade近似法消除其带来的负面影响. 所设计的有限时间控制器使闭环系统内的所有信号都有界且所有状态都被约束在给定的范围内,同时输出信号能很好地追踪给定参考信号. 最后通过仿真实例验证了该控制方法的有效性.
Abstract:
This paper studies the problem of adaptive finite-time tracking control for strict-feedback parameterized nonlinear continuous-time systems with full state constraints,bounded external disturbances and input time delay. By utilizing Barrier Lyapunov functions and the adaptive backstepping method,all states of the system are ensured to be constrained. Then,for the problem of input delay,pade approximation method is used to eliminate the negative effect of input delay. The finite-time controller is designed such that all the signals in the closed-loop system are bounded,the output tracks the reference signal effectively and all states are ensured to remain in the predefined compact sets. Finally,the effectiveness of the proposed scheme is verified via simulation results.

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相似文献/References:

[1]刘益剑,狄利明.基于贝叶斯推理模型的时变非线性系统在线输出监测[J].南京师范大学学报(工程技术版),2012,12(02):007.
　Liu Yijian,Di Liming.On-line Output Monitoring of Time-Variant Nonlinear System Based on Bayesian Inferring Model[J].Journal of Nanjing Normal University(Engineering and Technology),2012,12(02):007.

备注/Memo

备注/Memo:
收稿日期:2020-10-22.
基金项目:国家自然科学基金青年基金项目(61803208)、江苏省自然科学基金青年基金项目(BK20180726).
通讯作者:刘文慧,博士,副教授,研究方向:非线性控制、智能控制. E-mail:liuwenhui1211@163.com
更新日期/Last Update: 2021-06-30