Patent ID: 8525461
Filing Date: 2013-09-03
Classification: H02P

Abstract:
1. A motor control apparatus, comprising: command speed calculation means for calculating a command speed based on a base speed input from an outside and a ratio gain; compensation torque calculation means having a transfer characteristic from a speed deviation to a compensation torque, which is a limited steady-state gain characteristic, for outputting the compensation torque based on the speed deviation by means of control computation without integral calculation, the speed deviation being a difference between the command speed and a motor speed, which is a speed of a motor for driving a mechanical load; command torque calculation means for outputting, based on at least the compensation torque, a command torque, which is a target value of a torque of the motor for driving the mechanical load; and ratio calculation means for calculating the ratio gain based on the speed deviation and inputting the ratio gain to the command speed calculation means.