采用DSP和CPLD的新型定子永磁型双功率流电机的驱动系统

摘要

The method to design a double-power-flow motor control system based on floating-point DSP and CPLD as the controllers was expounded. It introduced the way to measure internal rotor and external rotor position and the speed algorithm, the principle of power circuit selection, phase current measurement, and the over current protection circuit based on CPLD. It solved the problem of internal rotor position algorithm. In CCC mode,the system showed that the motor has a good performance and proving this system could achieve the control of DPF motor. This lays down the foundation for further research on different operation conditions.%主要阐述了以一台定子永磁型双功率流电机为控制对象,以浮点数字信号处理器(DSP)和复杂可编程逻辑器件(CPLD)作为控制器的设计方法.分别介绍了内外转子的位置检测方法及速度算法,功率电路的选择,相电流检测,基于CPLD的过电流保护等,其中重点解决了内转子的位置算法.通过斩波控制的方法,证明了该系统可以有效完成对双功率流电机的控制,为以后研究电机在不同工况下的运行性能打下了基础.