An apparatus for compensating for low-temperature torque of an MDPS including a column torque sensor configured to detect a column torque; a vehicle speed sensor configured to detect a vehicle speed; a temperature sensor configured to measure a temperature of the vehicle; a steering angle sensor configured to detect a steering angle of a steering wheel; and a controller configured to calculate an assist torque, calculate a vehicle speed gain and a compensation gain for the temperature and an accumulated steering angle based on the vehicle speed, the temperature and the steering angle, calculate a final compensation gain by applying a compensation gain attenuation rate, calculate a final assist torque by applying the final compensation gain to the assist torque, and output the final assist torque.
Apparatus for compensating for low temperature torque of motor driven power steering and control method thereof
2020-08-18
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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