The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 30, 2019
Filed:
Aug. 17, 2016
Byd Company Limited, Shenzhen, Guangdong, CN;
Yubo Lian, Shenzhen, CN;
Heping Ling, Shenzhen, CN;
Fanliang Meng, Shenzhen, CN;
Ting Wen, Shenzhen, CN;
Yanfei Xiong, Shenzhen, CN;
BYD COMPANY LIMITED, , CN;
Abstract
An auxiliary steering system () and method for an electric vehicle and the electric vehicle are disclosed. The system includes a detection component (A) including a first electric motor () and a detection controller () configured to determine whether a steering assist device () is normal, to continue to determine whether the steering assist device () is normal if yes, and to control a drive rack (A) of the first electric motor () to drive wheels () 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 (); a second electric motor (); and a vehicle controller (). The electric motor controller () is further configured to control the second electric motor () to increase a drive torque for an outer front wheel (), to brake an inner rear wheel (), and to stop driving an inner front wheel () and an outer rear wheel ().