多扰动时变时滞非线性系统的有限时间控制

IF 3.2 3区计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS

International Journal of Robust and Nonlinear Control Pub Date : 2025-04-21 DOI:10.1002/rnc.7958

Xinjiang Wei, Huifeng Zhang, Junjie Han

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引用次数: 0

摘要

研究了一类具有时变时滞和多重扰动的非线性系统的有限时间控制问题。扰动包括部分已知信息的外部扰动和随机噪声。构造随机干扰观测器（SDO）来估计外部干扰，并采用H∞$$ {H}_{\infty } $$控制方法处理随机噪声。然后结合基于扰动观测器的控制（DOBC）、H∞$$ {H}_{\infty } $$控制和有限时间稳定性理论设计了有限时间抗干扰控制器，保证了闭环随机系统是有限时间有界的。最后，通过仿真算例验证了控制方案的有效性。

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Finite-Time Control of Time-Varying Delay Nonlinear Systems With Multiple Disturbances

The finite-time control problem is studied for a type of nonlinear systems with time-varying delay and multiple disturbances. The disturbances include external disturbances with partly known information and stochastic noises. A stochastic disturbance observer (SDO) is constructed to estimate external disturbances, and stochastic noises are handled by the $H_{\infty}$ control method. Then a finite-time anti-disturbance controller is designed by combing the disturbance observer–based control (DOBC), $H_{\infty}$ control, and finite-time stability theory, which ensures the closed-loop stochastic system is finite-time bounded. Eventually, the validity of the control scheme is verified by a simulation example.

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来源期刊

International Journal of Robust and Nonlinear Control 工程技术-工程：电子与电气

CiteScore

6.70

自引率

20.50%

发文量

505

审稿时长

2.7 months

期刊介绍： Papers that do not include an element of robust or nonlinear control and estimation theory will not be considered by the journal, and all papers will be expected to include significant novel content. The focus of the journal is on model based control design approaches rather than heuristic or rule based methods. Papers on neural networks will have to be of exceptional novelty to be considered for the journal.