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1.62V~1.675的偏差不是因为运放精度导致的,可能是电源,可能是分压电路。
所以在马达启动之前,还是需要计算Offset的,在FOC计算的时候把offset减掉即可,即便是1.62V~1.675V有偏差,也没有问题。