电力牵引直接转矩控制DTC的介绍文献，内含圆型磁链传统滞环，ISC，以及部分改进型定子磁链模型搭建介绍，比较具有代表性。-Electric Traction Control DTC direct torque introduced documents containing the conventional circular flux hysteresis, ISC, and some improved stator flux model to build reports, compared wi