Decentralized Finite-Time Adaptive Neural Output-Feedback Quantized Control for Switched Nonlinear Large-Scale Delayed Systems

IF 3.2 3区 计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS
Zhenhua Li, Hongtian Chen, Wentao Wu, Zehua Jia, Weidong Zhang
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引用次数: 0

Abstract

This paper considers the problem of decentralized finite-time adaptive neural output-feedback quantized control for a class of switched nonlinear large-scale delayed systems. A switched high-gain quantized state observer is therefore constructed for each subsystem to estimate unavailable system states. Different from the traditional Lyapunov–Krasovskii functional method, multiple Lyapunov–Krasovskii functions are introduced to develop the decentralized adaptive output-feedback control strategy with neural network approximation for the switched nonlinear large-scale delayed systems. Under a category of switching signals with persistent dwell time, all signals in the closed-loop switched system are semi-globally uniformly ultimate bounded. Meanwhile, the tracking errors can remain in a small domain of origin in finite time. Case studies are finally used to illustrate the flexibility and effectiveness of the proposed control approach, including the switched two continuous stirred tank reactor delayed systems.

切换非线性大时滞系统的分散有限时间自适应神经输出反馈量化控制
研究了一类切换非线性大时滞系统的分散有限时间自适应神经输出反馈量化控制问题。因此,为每个子系统构造了一个切换高增益的量化状态观测器来估计不可用的系统状态。与传统的Lyapunov-Krasovskii泛函方法不同,该方法引入多个Lyapunov-Krasovskii函数,针对切换非线性大时滞系统,提出了基于神经网络逼近的分散自适应输出反馈控制策略。在一类具有持久停留时间的开关信号下,闭环开关系统中的所有信号都是半全局一致最终有界的。同时,跟踪误差可以在有限时间内保持在一个小的原点域内。最后通过实例分析说明了所提出的控制方法的灵活性和有效性,包括切换两个连续搅拌槽式反应器延迟系统。
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来源期刊
International Journal of Robust and Nonlinear Control
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.
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