Aiming at characteristics of unpredictability the load torque used in ac motor servo system, a method of load torque adaptive identification based on state observer is presented.

针对交流电机伺服系统中负载转矩不可预测性的特点，提出一种基于状态观测器的负载转矩自适应辨识方法。

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For AC servo system of permanent magnet synchronous motor (PMSM), the position servo controller was constructed with direct torque control and self-adjusting PI control based on Fuzzy inferences.

在永磁同步电机交流伺服系统中，采用直接转矩控制及模糊自适应PI控制构成位置伺服控制器。

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