The pulse-width modulated micro-stepping of fixed freque ncy is presented, which resolves the technical question of low efficiency.

• 从理论上阐明步进电机细分驱动是提高步进电机分辨 率和消除低频振荡的有效办法，作者提出的定频脉宽调制细分驱动很好解决了效率低的技术 问题。