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. 22, 2016
Filed:
Apr. 27, 2011
Applicants:
Houchun Xia, Troy, MI (US);
Robert L. Morris, Milford, MI (US);
Inventors:
Houchun Xia, Troy, MI (US);
Robert L. Morris, Milford, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); B60K 6/365 (2007.10); B60K 6/445 (2007.10); B60W 40/12 (2012.01);
U.S. Cl.
CPC ...
B60K 6/365 (2013.01); B60K 6/445 (2013.01); B60W 40/12 (2013.01); B60W 2510/1055 (2013.01); Y02T 10/6239 (2013.01); Y02T 10/84 (2013.01);
Abstract
A method to predict a driveline lash condition includes monitoring an axle torque request signal, determining a predicted axle torque request value at a lead time based upon the monitored axle torque request signal, and predicting the driveline lash condition at the lead time based upon the predicted axle torque request value indicating an upcoming zero torque condition.