An apparatus for compensating for a column torque in an MDPS (Motor Driven Power Steering) system including: a column torque sensor configured to sense a column torque applied to a steering shaft and output a column torque signal; a vehicle velocity sensor configured to sense a vehicle velocity; and a controller configured to receive the column torque signal to extract a vibration frequency of steering vibration caused in a steering apparatus, determine a filtering gain based on the vehicle velocity sensed by the vehicle velocity sensor, and filter the column torque signal such that a column torque signal corresponding to the extracted vibration frequency is attenuated to an attenuation length which is determined according to the filtering gain.
Apparatus and method for compensating for column torque in MDPS system
11.02.2020
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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