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TMS320F28379D: 关于PMSM的相电流波形

Part Number: TMS320F28379D
Other Parts Discussed in Thread: DRV8301

示波器显示电流只有上半周期

可能的原因有啥?

https://item.taobao.com/item.htm?spm=a1z09.2.0.0.76c52e8dSYEt05&id=640721762067&_u=f1umc1ek53bb

驱动板我用的是这款,而主控板我用的是launchPad XL 28379d