描述
电机每运行一微步，其绕组内的电流变化只有0.3A而不是3A，且电流是以正弦曲线规律变化，这样就大大的改善了电机的振动和噪音，因此，在性能上的优点才是细分的真正优点。由于细分驱动器要精确控制电机的相电流，所以对步进电机驱动器要有相当高的技术要求和工艺要求
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