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Title:
ELECTRIC POWER STEERING SYSTEM DEVICE CONTROLLER
Document Type and Number:
WIPO Patent Application WO/2006/123839
Kind Code:
A1
Abstract:
Even when motor control is stopped during generation of the steering auxiliary torque, a sophisticated electric power steering system device controller calculates a steering torque correction shortage amount and applies electromagnetic brake in accordance with the steering torque correction shortage amount without stopping the function of motor control signal monitor means. This improves the steering feeling upon stopping of control by the controller and reduces the load on a driver attributed to a sudden release of a twist force of tires upon assist stop. Thus, the driver does not feel uncomfortable feeling.

Inventors:
ITAKURA YUSUKE (JP)
KOBAYASHI NOBUYUKI (JP)
HISANAGA TOMONORI (JP)
MIYOSHI OSAMU (JP)
KANAI SHINJI (JP)
Application Number:
PCT/JP2006/310507
Publication Date:
November 23, 2006
Filing Date:
May 19, 2006
Export Citation:
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Assignee:
NSK LTD (JP)
ITAKURA YUSUKE (JP)
KOBAYASHI NOBUYUKI (JP)
HISANAGA TOMONORI (JP)
MIYOSHI OSAMU (JP)
KANAI SHINJI (JP)
International Classes:
B62D5/04; B62D5/30; B62D6/00; H02P3/22
Foreign References:
JP2002127926A2002-05-09
JP2002249062A2002-09-03
JP2002127927A2002-05-09
JPS6318381U1988-02-06
JPS6452870U1989-03-31
JPH0238276U1990-03-14
JPH0794226A1995-04-07
JPH0794227A1995-04-07
JP2002127926A2002-05-09
Other References:
See also references of EP 1886897A4
Attorney, Agent or Firm:
Agata, Yuzo (Akasaka 2-Chome Minato-K, Tokyo 52, JP)
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