Vehicle steering device
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United States of America Patent
Stats
-
Oct 10, 2017
Grant Date -
Sep 29, 2016
app pub date -
Mar 11, 2014
filing date -
Mar 18, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicle steering device (11) is provided that performs steering of a vehicle in response to operation of a steering wheel (13) operated when the traveling direction of the vehicle is changed. The vehicle steering device (11) includes a first steering assist device having a first steering torque sensor (23), a first assist motor (51), and a first EPS control unit (37), and a second steering assist device having a second steering torque sensor (25), a second assist motor (57), and a second EPS control unit (39). The first and second EPS control units (37, 39) perform driving control of the first and second assist motors (51, 57) independently from each other. Even if either one of the two control units (37, 39) respectively controlling driving of the two assist motors (51, 57) fails into an abnormal situation, such an abnormal situation can be brought under control quickly and soundly.
First Claim
Family
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Cited Art Landscape
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