In this paper ,the simulation analysis of fuzzy logic direct torque controller (FLDTC) of induction machine driver is carried out .The controller using AC4 drive model is built to control the DTC induction motor .The simulation results show there is less ripple in electromagnetic torque by FLDTC than by classical DTC .%介绍了基于直接转矩控制(DTC)的感应电机驱动器,并对其进行模糊逻辑控制仿真分析。直接转矩控制的感应电机使用的内置控制器为AC4的驱动模型,使用模糊逻辑控制的直接转矩控制系统产生的电磁转矩脉动纹波比传统的DTC少。
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