基于AVR单片机的SPWM变频调速控制策略

Control strategy of SPWM variable frequency speed regulating based on AVR single-chip computer

重点讨论了一种新型单片机—AVR高速嵌入式单片机在交流变频调速中的应用 ,给出了软硬件设计方法 ,同时利用等效面积法生成SPWM脉冲序列 ,较好地解决了控制精度和实时控制的要求 。

The application of AVR,a newtype of high-speed embedded single-chip computer in the field of AC variable frequency speed regulating(VFSR)systemis discussed,the designed method of hardware and software are given.The SPWM signal generated by area equivalent principle solve the demands of control accuracy and real-time control.It is proved by analysis and simulation experiments that the proposed method is effective.