Title:
VEHICLE STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/170602
Kind Code:
A1
Abstract:
A vehicle steering device that assists and controls a steering system of a vehicle by driving and controlling a motor that assists steering force. The vehicle steering device is provided with a target steering torque generating section 200 for generating a target steering torque Tref of the motor. The target steering torque generating section 200 generates the target steering torque Tref corresponding to the differential value between a torque signal Tref_a0, which corresponds to a steering angle and a vehicle speed, and a value obtained by multiplying a physical quantity generated by a tire slip by a predetermined proportionality coefficient.
Inventors:
MORI KENJI (JP)
Application Number:
PCT/JP2019/050657
Publication Date:
August 27, 2020
Filing Date:
December 24, 2019
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B62D5/04; B62D6/00; B62D101/00; B62D113/00; B62D119/00; B62D121/00
Foreign References:
| JP2007314005A | 2007-12-06 | |||
| JPH1149000A | 1999-02-23 | |||
| JP2002160653A | 2002-06-04 | |||
| JP2006281880A | 2006-10-19 | |||
| JP2011079395A | 2011-04-21 | |||
| JP2006315634A | 2006-11-24 |
Other References:
See also references of EP 3929068A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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