MOTOR SPEED CONTROLLER

摘要

PURPOSE:To remarkably improve the controlling characteristic of a motor speed controller by eliminating the occurrence of a time lag and overshooting when the rotating speed of a motor is changed. CONSTITUTION:The value corresponding to the torque required for accelerating or decelerating a motor 7 is found by differentiating the output of a speed command generation means 1 by means of a differentiation means 9. Since the torque required for accelerating or decelerating the motor 7 can be generated without relying on a feedback loop by adding the found result to the output of a phase compensation means 5 in a feed-forward state by using an addition means 10 at the input section of a motor drive circuit 6, the controlling characteristic of this motor speed controller can be remarkably improved.