Patent ID: 6222301
Filing Date: 2001-04-24
Classification: H02N,H02P

Abstract:
A motor control apparatus for controlling first and second portions of a motor-driven apparatus, the first portion of the motor-driven apparatus comprising a motor and rotation means for rotating the motor, and the second portion of the motor-driven apparatus being operated, in cooperation with the rotation of the motor, to carry out a predetermined function, said motor control apparatus comprising:rotation control means for controlling the rotational speed of the motor;detecting means for detecting a rotation error of said motor, wherein said detecting means is connected to said rotation control means;alarm means for warning an operator when said detecting means detects a rotation error of said motor, wherein said alarm means is connected to said detecting means, andwherein said rotation control means controls the motor so that the motor is switched to a different speed and driven in accordance with the switched speed when said detecting means detects a rotation error of the motor; andmeans for controlling the second portion of said motor-driven apparatus in accordance with the switched different speed when said detecting means detects a rotation error of the motor, wherein said means for controlling is connected to said detecting means and the second portion of said motor-driven apparatus.