Design of stepping motor driving module for automatic microscope system

In the automatic microscope system, we can use the stepping motor as the driving equipment of the motorized linear stages. But if we control the average torque of stepping motor in traditional control method, there will causes intense ripple of torque and speed. This paper introduces the hybrid stepping motor driving module which is set up by the L6506 stepping motor controller chip. This module can achieve the maximum 32 subdivision, and also can greatly solve the problems of stepping motor vibration, noise, torque fluctuation and make operation more stable. It provides high focusing precision and works with high efficiency in the motorized linear stages.