基于DSP的直接转矩控制MRAS速度辨识的实现

The Implement of MARS Speed Estimator Based on DSP Direct Torque Control

直接转矩控制是1种高性能的交流传动控制策略。本文在直接转矩控制理论基础上,采用基于无功功率的模型参考自适应速度辨识方案。该方案能较好的解决积分环节和定子电阻对速度辨识的影响。在以DSP芯片为核心的实验开发装置上的初步实验表明,这种方法具有较好的速度辨识精度和对实际转速的跟踪能力。

Direct torque control （DTC） of AC drivers is known to produce quick and good robust response. This paper adopts reactive power mould adaptive system （MARS） speed estimator based on direct torque control. This scheme gets rid of the impaction of the stator resistance and integration to speed estimator. Through experiment based on DSP, this scheme also has better speed estimator precision and quick response to actual speed.