Other Parts Discussed in Thread: DRV8305, DRV8303
各位高手,我看DRV8305的功率板,电机相电压采样电路的参考地是直流母线地,这样测得是电机相电压+ 中心点对地电压 :Ua = Ra*Ia + L*(dIa/dt)+ Ea +Un; 是怎么实现相电压检测 Uan = Ra*Ia + L*(dIa/dt)+ Ea ;是软件处理的,还是怎么弄的。
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