| 摘要 |
A motor drive control apparatus for controlling a motor has a main control part that performs a flux weakening control by a vector control of d-q axes and a rate-limit control part that controls a rate of change in a d axis current command value in the vector control. Further, there is provided a motor control apparatus for controlling a motor has a motor angular speed detection part that detects a motor angular speed of the motor and a motor control part having a current control system that controls the electric motor based on a motor current and a current command value. The motor control part calculate the current command value in which torque becomes constant by considering characteristics of the current control system based on a motor angular speed detected by the motor angular speed detection part.
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