This article describes the design of the whole five subsystems in view of some special demands in the EV application,theory of direct torque control (DTC),the system configuration of PMSM DTC.

• 针对电动汽车这一特殊的应用场合；系统地介绍了各个模块的设计方法；直接转矩控制(DTC)的原理；永磁同步电机的DTC系统结构框图.