车用内置式永磁同步电机弱磁控制研究

Flux-weakening control research for interior permanent magnet synchronous motor in electric vehicle

为提高车用内置式永磁同步电动机的调速范围,本文研究了弱磁控制策略,并在MATLAB/Simulink平台上建立了内置式永磁同步电机弱磁控制系统仿真模型,并进行了高速区弱磁控制系统仿真,仿真结果表明系统有较宽的调速范围,为高速巡航及超车等工况的进一步研究提供一定的借鉴意义.

In order to improve the vehicle speed range of the interior permanent magnet synchronous motor, the flux weakening control strategy is studied in this article .The interior permanent magnet synchronous motor flux weakening control system simulation model is established based on the platform of MATLAB /Simulink , and high speed weak magnetic control system simulation is carried out .The simulation results show that the system has a wide range of speed regulation , and these provide a reference significance for further study on the high-speed cruise and overtaking and other conditions .