请教一下TI工程师,我使用的DSP28034,驱动永磁同步电机开环已经运转起来,滑模观测期估测的速度也和设定速度一致,在rg1.Out与 smo1.Theta重合时设置lsw=2,电机停转发出尖叫声,我是在论坛中看到从开环到全闭环的无缝切换的条件:磁链观测器得出的电角度信号与开环运行时的电角度信号重合。但发现不适用。
请教一下满足什么条件才能将lsw设置为2?
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