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TMS320F28069: TMDSHVMTRINSPIN

Part Number: TMS320F28069

请问在Lab5b中,在测试的过程中发现,进行速度环的PID控制的速度参考值为52707179(图一),而且这个值是一只变化的,但是我的速度设定值为1677721(图二),这两个为什么不一样