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前段时间level6可以使电机转。放了一段时间电机转不了了(自己做的板子)。现重新从头测试,LEVEL2验证时clark As和Bs波形不是正弦波如下图,电压波形和rg1.out波形正常。可能是什么原因造成的?另外测试level6电机抖动不转,估计的速度值是负值是不是也是这个原因造成的?