Abstract

The theory of direct torque control of traditional permanent magnet synchronous motor is applied to the radial suspension force control of a BPMSM in this paper.With the integration of the space vector pulse width modulation, a novelty SVPWM direct suspension force control system for the BPMSM is constructed.On the basis of mathematical modeling,the detail control algorithm is deduced.Then the control system is simulated with Matalab/Simulink,and the results show that the control algorithm is simplified and the torque ripples are restrained,fine static and dynamic performance is brought to the motor.

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