Title:
VEHICLE STEERING DEVICE
Document Type and Number:
Japanese Patent JP2023045279
Kind Code:
A
Abstract:
To provide a vehicle steering device that can predict an abnormality in advance before a deviation between a rotation angle of a motor and a travel distance of a steering shaft reaches an abnormal deviation determined in advance.SOLUTION: A steering ECU 30 acquires detection results of a motor rotation angle detection sensor 26 and a pinion angle detection sensor 28, calculates a deviation per hour as a loaded condition from the detection results, and detects an abnormality of a converter 16 or the like based on the calculated loaded condition. Specifically, when the calculated deviation per hour is greater than a threshold A determined in advance and greater than a threshold B ((A
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Inventors:
YOSHIDA TAKUJI
KITAMURA YUTO
NAMIKAWA ISAO
KITAMURA YUTO
NAMIKAWA ISAO
Application Number:
JP2021153586A
Publication Date:
April 03, 2023
Filing Date:
September 21, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
JTEKT CORP
JTEKT CORP
International Classes:
B62D6/00
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
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