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Title: Method and apparatus for operating a powertrain system upon detecting a stuck-closed clutch

A powertrain system includes a multi-mode transmission having a plurality of torque machines. A method for controlling the powertrain system includes identifying all presently applied clutches including commanded applied clutches and the stuck-closed clutch upon detecting one of the torque-transfer clutches is in a stuck-closed condition. A closed-loop control system is employed to control operation of the multi-mode transmission accounting for all the presently applied clutches.
Authors:
Publication Date:
OSTI Identifier:
1125001
Report Number(s):
8,652,006
13/460,892
DOE Contract Number:
FC26-08NT04386
Resource Type:
Patent
Research Org:
GM Global Technology Operations LLC, Detroit, MI, USA
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING