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用28035做电机PMSM的矢量控制(FOC)



我想用28035做电机PMSM的矢量控制(FOC),但电机上只安装了三个霍尔传感器,没有编码器,请问这样可以做FOC算法吗?因为之前看到过说做FOC一定要用到编码器.不知道有没有了解的。