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电机控制相电流采集的问题



   在实际运用中,实际的相电流采样会有硬件滤波,但是实际读取上来的数据,还会是有一定的波动,以C2000来说,会有几十个十进制数的波动,比如40 69 39 20……等等,实际转换成的电流值也会有很大波动,这样对SVPWM控制也会有影响,必然导致d q不垂直。

   请问工程上这些波动一般是怎么处理的?