Adaptive Multi-Switching-Based Global Tracking Control for Switched Nonlinear Systems With Prescribed Performance

This paper is concerned with the tracking control for a class of switched nonlinear systems subject to prescribed performance. Firstly, a barrier function and a normalized function are introduced to achieve prescribed performance control, which ensures that the tracking error evolves within prescrib...

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Bibliographic Details
Published in:IEEE transactions on automation science and engineering 2024-07, Vol.21 (3), p.3243-3252
Main Authors: He, Wen-Jing, Zhu, Shan-Liang, Lu, Li-Ting, Zhao, Wei, Han, Yu-Qun
Format: Article
Language:English
Subjects:
Adaptive systems
Backstepping
Control systems
Global control
multi-dimensional Taylor network
Nonlinear systems
prescribed performance
Process control
Stability criteria
switched nonlinear systems
Switches
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Summary:This paper is concerned with the tracking control for a class of switched nonlinear systems subject to prescribed performance. Firstly, a barrier function and a normalized function are introduced to achieve prescribed performance control, which ensures that the tracking error evolves within prescribed boundary. Then, multi-dimensional Taylor network provides a new approach for how to estimate the nonlinearity arising from the backstepping control process. Significantly, the proposed multi-switching-based adaptive controller realizes that all signals in the closed-loop system are globally uniformly ultimately bounded while ensuring asymptotic tracking. Different from most existing network-approximation-based control strategies, the developed method in this paper is not only independent of the initial state, but also can achieve global stability. Finally, it is easy to verify the effectiveness of the proposed control method through two simulations. Note to Practitioners-This research is motivated by the fact that the control ideas of many practical engineering systems can be provided by making a profound study on switched nonlinear systems. However, most of the existing results focused on semi-global stability of systems. Therefore, this study devotes to develop a novel adaptive prescribed performance control strategy, which can not only ensure global stability of closed-loop system but also realize the asymptotic tracking of the switched nonlinear systems. It is worth noting that the proposed control approach has great significance for many practical systems, such as circuit systems and single-link inverted pendulum systems.
ISSN:1545-5955
1558-3783
DOI:10.1109/TASE.2023.3277470