Implementation of integral fixed-time sliding mode controller for speed regulation of PMSM servo system

Aiming at the control problem for the speed regulation system of permanent magnet synchronous motor (PMSM), an integral fixed-time sliding mode control algorithm with the disturbance estimation compensation is designed to improve PMSM system’s disturbance rejection ability in this paper. First of al...

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Bibliographic Details
Published in:Nonlinear dynamics 2020-09, Vol.102 (1), p.185-196
Main Authors: Wang, Linan, Du, Haibo, Zhang, Weijian, Wu, Di, Zhu, Wenwu
Format: Article
Language:English
Subjects:
Algorithms
Automotive Engineering
Classical Mechanics
Compensation
Control
Control algorithms
Control methods
Control theory
Dynamical Systems
Engineering
Integrals
Liapunov functions
Mechanical Engineering
Original Paper
Permanent magnets
Sliding mode control
Synchronous motors
Tracking errors
Vibration
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Summary:Aiming at the control problem for the speed regulation system of permanent magnet synchronous motor (PMSM), an integral fixed-time sliding mode control algorithm with the disturbance estimation compensation is designed to improve PMSM system’s disturbance rejection ability in this paper. First of all, the integral fixed-time sliding mode surface is selected according to the error dynamical equation. Then an integral fixed-time sliding mode control algorithm is proposed and rigorous analysis method of the Lyapunov function is provided to demonstrate the speed tracking error will converge to zero in a fixed time. Besides, considering the effect of disturbance load torque, an integral fixed-time sliding mode control algorithm with disturbance estimation compensation is proposed. Through disturbance feedforward compensation, the integral fixed-time sliding mode control law can offer a better dynamical performance with smaller value for the speed chattering. Finally, comparison results of numerical experiments are provided to verify the effectiveness and superiority of the integral fixed-time sliding mode control method.
ISSN:0924-090X
1573-269X
DOI:10.1007/s11071-020-05938-3