MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD

摘要

The objective of the present invention is to obtain a motor control device and a motor control method with which vibration generated in a vehicle can be suppressed without increasing loss. A second upper/lower limit clipping unit uses an upper limit torque greater than that of a first upper/lower limit clipping unit to perform an upper/lower limit clipping process with respect to a value obtained by executing a torque ripple correction, whereby a torque ripple correction amount (calculated by a torque ripple correction amount calculation unit) is subtracted from a torque command on which the first upper/lower limit clipping unit has performed an upper/lower limit clipping process. In order to reduce loss (which is increased by the torque ripple correction) in a power converter for driving a motor, a carrier frequency correction amount calculation unit calculates a carrier frequency correction amount for correcting the carrier frequency of the power converter.