简介:本文提出了基于FPGA的数字PR控制器设计方法。研究了PR控制器的特点及离散化方法。完成了浮、定点PR控制器的硬件实现。分析并解决了位数扩展、历史值锁存、系统同步等关键问题。提出的数字控制器设计流程具有普遍适用性,可应用于其他控制器的硬件实现。搭建了基于DSP+FPGA控制系统的H桥级联型多电平逆变器实验样机。对硬件化PR控制器进行了实际验证。仿真和实验表明本文设计的数字PR控制器能够在较强电磁干扰环境中高速稳定运行。具有较高实用性。
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