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Title:
STEERING SYSTEM FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/002963
Kind Code:
A1
Abstract:
Provided is a steering system for a vehicle that can accurately determine a degradation level of a steering actuator according to a traveling state of the vehicle. The steering system for the vehicle includes; a steering mechanism configured to steer wheels; a steering actuator configured to apply a driving force to the steering mechanism; and a controller configured to control the steering actuator. The steering mechanism includes a rack shaft that is movable in a vehicle width direction from a prescribed reference position. The controller is configured to calculate an evaluation value according to a use state of the steering actuator and to determine a degradation level of the steering actuator by comparing the evaluation value with at least one threshold that is set based on a moving amount of the rack shaft from the reference position and a vehicle speed.

Inventors:
OJIMA YOSUKE (JP)
HANJI MUNETSUGU (JP)
YAMAGUCHI TAKAYA (JP)
MIKLOS ARANYI (CH)
IMRE SZEPESSY (LI)
MATE KOCSOR (HU)
MARIA BEKO (HU)
ANDRAS TOTH (HU)
BENCE BODNAR (HU)
JENO GYOKERES (HU)
Application Number:
PCT/JP2022/027963
Publication Date:
January 26, 2023
Filing Date:
July 19, 2022
Export Citation:
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Assignee:
HONDA MOTOR CO LTD (JP)
THYSSENKRUPP PRESTA AG (LI)
International Classes:
B62D5/04
Foreign References:
DE102008043712B32010-04-08
DE112016005056T52018-07-19
US8666604B22014-03-04
DE10360582A12004-07-15
US20200005553A12020-01-02
US20190256129A12019-08-22
JP2018085917A2018-05-31
Attorney, Agent or Firm:
OSHIMA & PARTNERS (JP)
Download PDF:
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