Title:
VEHICULAR STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/124822
Kind Code:
A1
Abstract:
This vehicular steering device generates a first current command value Imct0 of a turning motor on the basis of a target turning angle, and drives the turning motor on the basis of a second current command value Imct obtained by limiting the first current command value Imct0 by a current limit value corresponding to the angular speed of the turning motor. The vehicular steering device generates a first torque signal Tref_a on the basis of a prescribed basic map in accordance with at least the vehicle speed Vs and a steering angle θh of a vehicle, adds, to the first torque signal Tref_a, a second torque signal Tref_t in accordance with a deviation between the first and second current command values Imct0, Imct, and generates target steering torque Tref.
Inventors:
MORI KENJI (JP)
Application Number:
PCT/JP2020/043887
Publication Date:
June 24, 2021
Filing Date:
November 25, 2020
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B62D5/04; B62D6/00; B62D101/00
Foreign References:
| JP2010149650A | 2010-07-08 | |||
| JP2018114845A | 2018-07-26 | |||
| JP2006298223A | 2006-11-02 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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