Apparatus and method for controlling motor-driven power steering system
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United States of America Patent
Stats
-
Jan 17, 2023
Grant Date -
Oct 28, 2021
app pub date -
Nov 9, 2020
filing date -
Apr 23, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
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Family
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Cited Art Landscape
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