【摘要】 介绍了基于DSP的交流感应电动机直接转矩控制系统的硬件结构和软件设计,电压空间矢量的选择方法和故障诊断原理,并对系统的仿真结果和实验结果进行了分析。由于采用了高集成度的智能功率模块IPM作为逆变器,使得控制系统的体积大大缩小。本系统具有动态响应快、调速范围宽、可靠性高等特点。更多还原

【Abstract】 An AC induction motor direct torque control system with DSP controller is proposed. The system hardware structure and software design, choosing method of voltage space vector and fault diagnosis principle are also described. The results of simulation and experiment of the system are analyzed. Due to the application of high integrated IPM module, the volume of the system has been greatly reduced. The system has very quick dynamic response, wide speed regulating scope and high reliability.更多还原