| US 7,519,466 B2 | ||
| Cam phaser compensation in a hybrid vehicle system | ||
| Daniel G. Brennan, Brighton, Mich. (US); Jeffrey M. Kaiser, Highland, Mich. (US); Bryan R. Snyder, Waterford, Mich. (US); Gregory J. York, Fenton, Mich. (US); Anne M. Shields, Ann Arbor, Mich. (US); and Leonard G. Wozniak, Ann Arbor, Mich. (US) | ||
| Assigned to GM Global Technology Operations, Inc., Detroit, Mich. (US) | ||
| Filed on May 08, 2007, as Appl. No. 11/801,128. | ||
| Prior Publication US 2008/0281496 A1, Nov. 13, 2008 | ||
| Int. Cl. F02D 28/00 (2006.01); G06F 19/00 (2006.01); F01L 1/34 (2006.01) | ||
| U.S. Cl. 701—103 [123/90.17; 123/352] | 21 Claims |
| 1. A method of regulating a torque output of an internal combustion engine in a hybrid electric vehicle, comprising:
determining whether a cam phaser system of the engine is in one of an inactive state and an active state;
monitoring at least one engine operating parameter;
selecting an engine torque array from a plurality of engine torque arrays based on said one of said inactive state and said
active state;
determining an available engine torque based on said engine torque array and said at least one engine operating parameter;
and
regulating the engine based on said available engine torque.
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