Method for estimating the power capability of the primary...

Details Method for estimating the power capability of the primary... Method for estimating the power capability of the primary...

2007-05-08

2007-05-08

McCall, Eric S. (Department: 2855)

Measuring and testing

Test stand

For engine

Reexamination Certificate

active

11399235

ABSTRACT:
The present invention provides a method for estimating the power capability of the primary power source of a hybrid vehicle. The method preferably includes calculating a first indicator based on a broadcast estimate from the primary power source of a hybrid vehicle. A second indicator is obtained by calculating the difference between the value of a torque command and the amount of torque reportedly delivered in response to the torque command. A third indicator is calculated based on a plurality of system dynamic equations. The first, second and third indicators are then combined to obtain an estimate of the power capability of the primary power source.

REFERENCES:
patent: 6336070 (2002-01-01), Lorenz et al.
patent: 6976388 (2005-12-01), Heap et al.
patent: 2004/0210377 (2004-10-01), Cullen
patent: 2005/0252305 (2005-11-01), Hubbard et al.
patent: 2005/0272556 (2005-12-01), Hiroe et al.

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