Multi-dimensional Taylor network-based adaptive control for nonlinear systems with unknown parameters

This paper presents an adaptive multi-dimensional Taylor network (MTN) control approach for a class of nonlinear systems with unknown parameters. MTN is employed to identify unknown nonlinear characteristics existing in the system, and then a novel adaptive MTN tracking control method is proposed, v...

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Bibliographic Details
Published in:Transactions of the Institute of Measurement and Control 2021-02, Vol.43 (3), p.646-655
Main Authors: Chu, Lei, Han, Yuqun, Zhu, Shanliang, Wang, Mingxin
Format: Article
Language:English
Subjects:
Adaptive control
Control methods
Control systems design
Controllers
Feedback control
Liapunov functions
Nonlinear control
Nonlinear systems
Parameter identification
Tracking control
Tracking errors
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Summary:This paper presents an adaptive multi-dimensional Taylor network (MTN) control approach for a class of nonlinear systems with unknown parameters. MTN is employed to identify unknown nonlinear characteristics existing in the system, and then a novel adaptive MTN tracking control method is proposed, via backstepping technique. In the controller design, double adaptive laws are designed and appropriate Lyapunov functions are chosen to overcome the difficulties caused by the unknown parameters. The designed controller can guarantee that all the variables in the closed-loop systems are bounded and the tracking error can be arbitrarily small. Finally, simulation results are presented to verify the effectiveness of the proposed approach.
ISSN:0142-3312
1477-0369
DOI:10.1177/0142331220953355