Research on Sliding Mode Variable Structure Speed Control Algorithm of Winding Segmented Permanent Magnet Linear Synchronous Motor
2021 13th International Symposium on Linear Drives for Industry Applications (LDIA)(2021)
Abstract
Winding segmented permanent magnet linear synchronous motor(WS-PMLSM) is widely used in long distance transportation, packaging and other occasions. In order to solve the problem of control performance degradation caused by load resistance, parameter perturbation and electromagnetic parameter changes between segments, a variable parameter mathematical model of WS-PMLSM is established, and a speed sliding mode variable structure controller is designed. The simulation results show that the designed speed sliding mode controller has better dynamic performance and robustness than the traditional PID controller, the sliding mode control algorithm can effectively suppress the speed fluctuation when the mover moves between segments.
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Key words
PMLSM,segmented,sliding mode controller,speed fluctuation
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