Single-Loop SVPWM Modulate Strategy for Permanent Magnet Synchronous Motor Control System

Abstract:

The advantage and disadvantage of the common control methods for permanent magnet synchronous motor (PMSM) are analyzed. Combined the sine pulse-width modulation (SPWM) and field oriented control (FOC) algorithm, a novel control method of the space vector pulse-width modulation with single closed loop is presented. In MATLAB-Simulink, based on the mathematic model of PMSM, used the S-function and the algorithm of single-loop space vector pulse-width modulation (SL-SVPWM) a servo-model of PMSM is established. Via experiment, compared SPWM method to SL-SVPWM method, the different results of phase current waveform of PMSM are drawn; and the dynamic response behavior of the motor which driven by the method of SL-SVPWM is analyzed. The results of the simulation and experiment verified that the SL-SVPWM method in this paper simplified the control system of PMSM, and this control method has better control stability.

• Periodical: Applied Mechanics and Materials (Volumes 241-244)
• Pages: 1487-1490
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.241-244.1487
• Online since: December 2012
• Authors: Qi Xun Zhou, Yong Zhou, Yu Feng Zhang
• Keywords: Field Oriented Control, Permanent Magnet Synchronous Motor (PMSM), Sine Pulse Width Modulation, Single Loop, Space Vector Pulse Width Modulation

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