Title:
AUXILIARY STEERING SYSTEM AND AUXILIARY STEERING METHOD FOR ELECTRIC VEHICLE AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/028788
Kind Code:
A1
Abstract:
An auxiliary steering system (100) and method for an electric vehicle and the electric vehicle are disclosed. The system includes a detection component (6A) including a first electric motor (4) and a detection controller (6) configured to determine whether a steering assist device (2) is normal, to continue to determine whether the steering assist device (2) is normal if yes, and to control a drive rack (5A) of the first electric motor (4) to drive wheels (17) of the electric vehicle to return and to output a steering failure signal, a steering wheel torque signal and a direction signal if no; an electric motor controller (8); a second electric motor (14); and a vehicle controller (7). The electric motor controller (8) is further configured to control the second electric motor (14) to increase a drive torque for an outer front wheel (17), to brake an inner rear wheel (17), and to stop driving an inner front wheel (17) and an outer rear wheel (17).
Inventors:
LIAN YUBO (CN)
LING HEPING (CN)
MENG FANLIANG (CN)
WEN TING (CN)
XIONG YANFEI (CN)
LING HEPING (CN)
MENG FANLIANG (CN)
WEN TING (CN)
XIONG YANFEI (CN)
Application Number:
PCT/CN2016/095706
Publication Date:
February 23, 2017
Filing Date:
August 17, 2016
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
B62D5/04; B62D6/00; B62D119/00
Foreign References:
| CN103187708A | 2013-07-03 | |||
| JP2001354020A | 2001-12-25 | |||
| US20040016594A1 | 2004-01-29 | |||
| DE19935030A1 | 2000-02-24 | |||
| EP1357007A2 | 2003-10-29 | |||
| CN1962339A | 2007-05-16 |
Other References:
See also references of EP 3337712A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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