In order to give AC induction motor serve system the required design data,according to the basic principle and algorithms of SVPWM,the paper establishes the simulation model of SVPWM based on MATLAB/Simulink,then this model is applied to vector control induction motor adjusting system. The results indicate that SVPWM improves thes stability and reliability of the whole system.%为了给交流异步电机伺服系统提供必要的设计数据，根据SVPWM的基本原理和实现算法，基于MATLAB/Simulink平台搭建了SVPWM仿真模型，将该模型应用到异步电机的矢量控制系统中进行了仿真。结果表明，SVPWM控制方式提高了整个系统运行的稳定性和可靠性。
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