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:
Mar. 05, 2013
Filed:
Jan. 31, 2012
Balarama V. Murty, West Bloomfield, MI (US);
Suresh Gopalakrishnan, Farmington Hills, MI (US);
Kenneth J. Shoemaker, Highland, MI (US);
Chandra S. Namuduri, Troy, MI (US);
Bradley Bezzina, Dearborn Heights, MI (US);
Ebrahim Handy, Bloomfield Hills, MI (US);
Balarama V. Murty, West Bloomfield, MI (US);
Suresh Gopalakrishnan, Farmington Hills, MI (US);
Kenneth J. Shoemaker, Highland, MI (US);
Chandra S. Namuduri, Troy, MI (US);
Bradley Bezzina, Dearborn Heights, MI (US);
Ebrahim Handy, Bloomfield Hills, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A system and method for managing faults occurring in a power steering system in a vehicle is disclosed that has particular application for an MRHPS system to provide reliable functioning of the power steering system. The method includes detecting a fault condition in the MRHPS system and selecting a safe mode from a plurality of predetermined safe modes based on the fault condition. The plurality of predetermined safe modes include a normal operation mode, an engine speed follow mode, a manual mode, a fixed duty cycle mode and a voltage control mode. If a fault condition is detected, the method applies the safe mode to manage the fault condition.