A fuzzy logic method is introduced to the conventional PMSM DTC system in this thesis to improve the steady state performance of the system.
为提高系统的稳态性能，本文首次引入模糊逻辑到永磁同步电机直接转矩控制中。
At the same time the paper analyses the frequency spectrum of the wave from, and indicates the influence of voltage harmonic wave component on the steady state performance.
同时对波形进行了频谱分析，指出了电压谐波成分对双馈电机稳态性能的影响情况。
Based on the analysis of the traction and brake characteristics of asynchronous traction motors, the steady state performance of the asynchronous traction motor is studied.
在分析电力机车牵引特性基础上，对牵引电动机的运行特性进行了研究。
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