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CONTROLSUITE: 关于I-TOTAL的疑问

Part Number: CONTROLSUITE

上图为controlSUITE\development_kits\DRV830x-HC-C2-KIT_v105\~DRV830x-HC-EVM-HWdevPkg\DRV830x_RevD_HWDevPKG原理图

问题1. 请问该设计中的I-TOTAL是等于三相桥母线供电直流电源的电流吗,也就是母线电流。

问题2.如上图所示,是我目前设计的母线电流采集电路,麻烦大家帮我看下有问题吗?目前调试发现母线电流采集值波动很大。

PWM波的产生方式是CAD_SET + CAU_CLEAR,由于采样时刻在0矢量时刻,对应下桥臂3个功率管全开,因此需要利用三角波周期点触发AD采样并在AD转换完成中断中做PMSM的FOC算法控制