This is an article on the stepper motor’ SCM control technique. The stepper motor is as the actuator, one of key produce that is the mechanical and electrical integration. It is extensive used in different automation control system. With the microelectronics technique and the computer technique development, the demand of stepper motor grows day by day; there is the application in every national economy territory.
In my graduation project, using MCS-51、t he stepper motor controller IC L297、the dual full-bridge driver L298 constitutes to the stepper motor control drive system, which have constant current chop wave function. Control the two-phases blending stepper motor by means of SCM program, achieve the intention of accelerating 、decelerating、changing phase、off lining、start and halt.
