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TI PMSM控制例程的LEVEL1调试

我用的是TI的PMSM控制例程,为什么在调试LEVEL1时SVPWM经过滤波出来的波形不是正弦波,我改了下GLOBAL_Q的值波形也稍微有些不同。 

  前一张是GLOBAL_Q=24的,后一张是GLOBAL_Q=30的。

希望哪位大神能帮忙看看,新手刚学习,不知道这具体GLOBAL_Q的值的设置有什么影响呢。