Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Reexamination Certificate
2005-10-18
2005-10-18
Zanelli, Michael J. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Transmission control
C701S055000, C180S065230, C180S065800
Reexamination Certificate
active
06957137
ABSTRACT:
Preferred operating points for a vehicle powertrain including an engine and a transmission are determined in accordance with a comprehensive operational mapping of input and output conditions and corresponding aggregate system losses corresponding to engine and transmission losses. In a hybrid transmission application, additional losses from motors and batteries are aggregated into the system losses and battery constraints are considered in determining preferred operating points. Preferred operating points are provided in one or more sets of minimized data for on-vehicle implementation.
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Cawthorne William R.
Heap Anthony H.
Hubbard Gregory A.
DeVries Christopher
General Motors Corporation
Hodges Leslie C.
Zanelli Michael J.
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