An apparatus for controlling an MDPS system may include an MDPS-basic logic unit determining a first auxiliary command current for driving an MDPS motor in a manual driving mode, based on column torque applied to a steering column of a vehicle and a vehicle speed, an autonomous driving steering controller determining a second auxiliary command current for driving the MDPS motor in an autonomous driving mode, and a mode change controller determining a driver's steering intervention using a variable reference time variably determined based on the column torque in the manual driving mode, determining a mode change time from the autonomous driving mode to the manual driving mode based on the column torque, and determining a final auxiliary command current for driving the MDPS motor upon mode change, by applying, to the first and second auxiliary command currents, a weight into which the mode change time is incorporated.
Apparatus and method for controlling motor-driven power steering system
2023-01-17
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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