23-06-2017 дата публикации
Номер: KR1020170070901A
Принадлежит:
The present invention relates to an electric steering device and a control method thereof, comprising: a steering angle sensor for detecting a steering angle of a steering wheel; a motor current sensor for detecting current of a motor; an encoder for detecting the location of the motor; a vehicle speed sensor for detecting the speed of a vehicle; an estimation portion for estimating virtual torque by using the location of the motor, the steering angle of the steering wheel, and the current of the motor detected by the encoder, the steering angle sensor, and the motor current sensor, respectively when an error of a torque sensor is detected; and an auxiliary torque detection portion for detecting auxiliary torque for operation of the motor by using the steering angle of the steering wheel, the speed of the vehicle, and the virtual torque which are input from the steering angle sensor, the vehicle speed sensor, and a virtual torque generation portion, respectively. COPYRIGHT KIPO 2017 (50 ...
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