| US 7,497,803 B2 | ||
| Method and apparatus to control an electro-hydraulic transmission during shifting event | ||
| Jy-Jen F. Sah, West Bloomfield, Mich. (US); and Lawrence A. Kaminsky, Sterling Heights, Mich. (US) | ||
| Assigned to GM Global Technology Operations, Inc., Detroit, Mich. (US); and Electronic Data Systems Corporation, Plano, Tex. (US) | ||
| Filed on Aug. 04, 2006, as Appl. No. 11/462,467. | ||
| Prior Publication US 2008/0032855 A1, Feb. 07, 2008 | ||
| Int. Cl. B60K 1/02 (2006.01) | ||
| U.S. Cl. 477—3 | 21 Claims |
| 1. Method to selectively actuate a plurality of torque-transfer devices of a torque-transmission device operative to receive
torque inputs from a plurality of devices and operative to generate an output torque, comprising:
executing a shift operation from a first operating mode to a second operating mode;
monitoring shift abort criteria; and,
executing a revised shift operation into a third operating mode effective to substantially meet an operator request for output
torque.
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