基于优化SVPWM算法的永磁同步电机矢量控制系统

Vector Control System of Permanent Magnet Synchronous Motor Based on Optimized SVPWM Algorithm

电压空间矢量脉宽调制技术(Space Vector Pulse Width Modulation,SVPWM)是一种通过改变空间电压或电流矢量来控制变流器的技术,主要介绍永磁同步电机的数学模型、SVPWM基本原理以及分控制策略,提出了一种优化的SVPWM控制算法。通过在Matlab/Simulink上创建控制模型,综合仿真分析计算的结果,验证了这种算法不仅减少了数字信号处理器资源,还大大提高了永磁同步电机的稳定性、可靠性以及抗干扰能力。

SVPWM is a novel technology for controlling converters by changing the space voltage or current vector.This article mainly introduces the mathematical model of permanent magnet synchronous motors,the basic principles of SVPWM and the control strategy,an optimized SVPWM control algorithm is proposed.Through the creation of a control model on Matlab/Simulink and the results of comprehensive simulation analysis and calculation,it is verified that this algorithm not only reduces the resources of the digital signal processor,but also greatly improves the stability,reliability and anti-interference ability of the permanent magnet synchronous motor.