With the help of precise driving system of sensor measuring and single chip micro-computer controlled step motor, enabled the cart to move flexibly in narrow aisles of the storehouse.
借助传感器测定和单片机控制步进电机的精密驱动系统，使得自动搬运车能在狭小的仓库过道中灵活行进。
2
Present a new method to test the micro step angle of step motor in micro step driving mode. Solve the problem of how to test the micro step angle. This paper provide practical data and curve.