一种新型控制策略在单相逆变器中的应用

Application of A New Control Strategy in Single Phase Inverter

介绍了将PID调节器与重复控制相结合的控制策略以及新型DSP芯片TMS520F2812应用于单相逆变器。着重分析了系统的构成、软件算法设计和稳态分析。实验表明，采用新型DSP芯片可以简化硬件电路，而采用PID与重复控制相结合的策略既能使逆变器输出高质量的正弦波，又能获得较好的动态性能。

This paper introduces a control strategy which combines PID controller with repetitive control,and DSP TMS320F2812 used in single phase inverter.The system structure, software arithmetic design and system stability are specially analysed.The experiment result showed that the circuit could be simplified through using the new DSP chip,Meanwhile,the inverter could output high quality sine wave and have excellent dynamic performance through adopting the control strategy which combines PID controller with reptetitive control.