Adaptive Control for Pure-Feedback Nonlinear Systems Preceded by Asymmetric Hysteresis

An adaptive control scheme is proposed for a class of uncertain pure-feedback nonlinear systems preceded by asymmetric hysteresis nonlinearity. The asymmetric property is described by the modified Bouc-Wen model based on the proposed asymmetric factor. State variables in the controller design are di...

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Bibliographic Details
Published in:Energies (Basel) 2019-12, Vol.12 (24), p.4675
Main Authors: Lai, Xiaohuan, Pan, Haipeng, Zhao, Xinlong
Format: Article
Language:English
Subjects:
Asymmetry
Computer simulation
Control systems design
Controllers
Design
Feedback
Feedback control
Hysteresis
Methods
Neural networks
Nonlinear control
Nonlinearity
Parameter identification
State variable
Variables
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Summary:An adaptive control scheme is proposed for a class of uncertain pure-feedback nonlinear systems preceded by asymmetric hysteresis nonlinearity. The asymmetric property is described by the modified Bouc-Wen model based on the proposed asymmetric factor. State variables in the controller design are directly replaced with nonaffine functions to address the control problem caused by nonaffine appearance. Moreover, the control method can handle systems with external disturbances and guarantee the global stability of all the signals in the closed-loop system. The feasibility of the control scheme is verified by a simulation example and experimental results.
ISSN:1996-1073
1996-1073
DOI:10.3390/en12244675