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28335控制电机,仿真全速运行时出故障

Other Parts Discussed in Thread: DRV8843

用28335控制H桥驱动器DRV8843时,有时PID参数设置不当,仿真全速运行电机会突然停转,显示以下图片

可能是电流环电流过大,DRV8843过流会关断H桥,这会影响到DSP吗?还是由于别的原因?

求指点,谢谢!