Abstract
The long stator linear synchronous motor (LSLSM) for high-speed maglev vehicle is used not only for propulsion but also for suspension system. The performance of propulsion control will be affected by the suspension system. Therefore, this paper presents a novel propulsion control scheme to reduce the thrust fluctuations caused by the influence of the suspension system. The control scheme is proposed based on the estimation of mutual flux linkage between the excitation winding and the $d$ -axis stator winding of the LSLSM. By adding the flux linkage information to the outer speed loop and the inner current loop, the thrust fluctuations caused by the suspension system will be effectively suppressed. The simulation results show the effectiveness of the control scheme.
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