Using torque vector control method can increase motor's output torque, and can upgrade motor's dynamic characteristic.
步进电机转矩矢量控制策略能够提高电机输出转矩的稳定性和幅值，也提高了电机的稳态和动态特性。
参考来源 - 基于DSP的两相混合式步进电机细分控制及转矩矢量控制·2,447,543篇论文数据，部分数据来源于NoteExpress
Direct Torque control (DTC) is a AC speed regulation method with high dynamic performance developed after vector control.
针对异步电动机直接转矩控制系统低速性能差的问题，提出了两项改进措施。
It has simple, fast speed and torque response feature. this control method is better than Vector control, because Vector decoupled need more operation.
研究结果表明直接转矩控制算法比较简单，转速、转矩响应的速度很快，相对矢量控制来说它不需要大量的解耦运算。
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