Abstract: A sensitivity identifying device has an operating object device configured to operate when an operation member is moved according to a force applied by a user, an assist force applying device for applying an assist force to movement of the operation member, an operation force parameter detecting device for detecting a value of an operation force parameter, an operation response parameter detecting device for detecting a value of an operation response parameter, a sensitivity identifying information storage section for storing sensitivity identifying information associating a sensitivity index, with a combination of the value of the operation force parameter and the operation response parameter, and a sensitivity determining unit for specifying the sensitivity index based on the combination of the value of the operation force parameter and the operation response parameter, and the sensitivity identifying information, and outputting the sensitivity index.

Abstract: A motor control apparatus includes a target value computation device which computes a target value of a current to be passed through a motor, a current detection device which detects a current passed through the motor, a command value computation device which computes a command value to the motor based on a deviation between the target value and the current value, a motor drive circuit which drives the motor based on the command value, a boosting circuit which boosts a voltage supplied to the motor, a judgment device which judges whether the command value exceeds a predetermined threshold, a rate-of-charge computation device which computes a rate of change of the command value to time, and a boosting control device which controls an boosting operation of the boosting circuit based on a result of the judgment device and the rate of change of the command value.