This paper deals with current-type two phase HB step motor systems, which having the resolution of five phase ones at the same time.

介绍电流型驱动的二相混合式步进电动机系统，它可同时具有与五相电动机一样的分辨率。

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The controller can control many step-motor systems in the meantime, and made motor run in multi-curve including speed-up, speed-down, orientation and direction's change.

该控制器可同时控制多台步进电机按曲线方式运行，包括加减速、定位及换向功能等。

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