| 摘要 |
PROBLEM TO BE SOLVED: To reduce an operation sound of a device and vibration generated in a device by suppressing a torque fluctuation caused by a rotary mechanism part, etc. inside an electric power steering device.SOLUTION: An electric power steering device 100 includes: an electric motor 110 for imparting assist force to steer a wheel 150 for an operation of a steering wheel 101; a torque sensor 109 for detecting steering torque of the steering wheel 101 and generating a torque signal; removing means for removing a torque fluctuation which is generated according to an operation of the steering wheel 101 and in which the frequency changes temporally, from the torque signal generated by the torque sensor 109; and motor control means for controlling the drive of the electric motor 110 by supplying a current set based on the torque signal after the torque fluctuation is removed by the removing means. |
