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Adaptive Control for the Systems Preceded by Hysteresis

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3 Author(s)
Xinkai Chen ; Dept. of Electron. & Inf. Syst., Shibaura Inst. of Technol., Saitama ; Chun-Yi Su ; Fukuda, T.

Hysteresis hinders the effectiveness of smart materials in sensors and actuators. It is a challenging task to control the systems with hysteresis. This note discusses the adaptive control for discrete time linear dynamical systems preceded with hysteresis described by the Prandtl-Ishlinskii model. The time delay and the order of the linear dynamical system are assumed to be known. The contribution of the note is the fusion of the hysteresis model with adaptive control techniques without constructing the inverse hysteresis nonlinearity. Only the parameters (which are generated from the parameters of the linear system and the density function of the hysteresis) directly needed in the formulation of the controller are adaptively estimated online. The proposed control law ensures the global stability of the closed-loop system, and the output tracking error can be controlled to be as small as required by choosing the design parameters. Simulation results show the effectiveness of the proposed algorithm.

Published in:

Automatic Control, IEEE Transactions on  (Volume:53 ,  Issue: 4 )