A friction compensation logic of an MDPS (motor driven power steering) system to receive and to process a column torque signal and to output a friction compensation torque comprises: an accumulation speed adjusting portion to adjust an accumulation speed of a compensation section information set in the column torque signal; and a compensation amount adjusting portion in accordance with a vehicle speed to control so that the accumulation speed adjusting portion adjusts the accumulation speed of the compensation section information fast or slow in accordance with the vehicle speed, to adjust a compensation amount gain small or large in accordance with the vehicle speed, and to output a friction compensation torque.
FRICTION COMPENSATION LOGIC OF MOTOR DRIVEN POWER STEERING SYSTEM AND METHOD THEREOF
2016-03-31
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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