摘要
直接转矩控制是一种新型的高性能的交流传动控制技术 ,它根据磁链、转矩的要求 ,从多种电压空间矢量中选取最优矢量 ,使电机在最佳状态运行。本直接转矩控制系统采用模糊控制及在线预测算法 ,结构简单 ,对定子磁链、电磁转矩的估测准确。实验结果表明 ,该系统具有良好的动态性能 。
Direct Torque Control is a new-style control technique of AC driving, it selects optimal vector from various voltage space vectors, making electric motors in ideal state. This control system uses fuzzy control and real-time predicting algorithm, it's construction is simple , the estimation of stator flux and electro-magnetic torque is precise, the control algorithm is developed. Experiment results show the controller has good performance, prior to the ordinary control system.
