Method for controlling a hybrid electric vehicle

Details Method for controlling a hybrid electric vehicle Method for controlling a hybrid electric vehicle

2007-04-17

2007-04-17

Vo, Hieu T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S022000, C701S115000, C180S065230

Reexamination Certificate

active

11399236

ABSTRACT:
The present invention provides a method adapted to control a hybrid electric vehicle having a primary power source and a secondary power source. The method includes estimating the power capability of the primary power source, and thereafter obtaining a power command from the vehicle's driver. A primary power demand and a secondary power demand which collectively meet the driver power command are then established, and a desired power balance between the primary power demand and the secondary power demand is also obtained. A system power capability is calculated based on the desired power balance and the estimated power capability. The method of the present invention then determines if the driver power command exceeds the system power capability. If the driver power command exceeds the system power capability, the driver power command limited and thereafter the limited driver power command is executed.

REFERENCES:
patent: 6876098 (2005-04-01), Gray, Jr.
patent: 6976388 (2005-12-01), Heap et al.
patent: 6998727 (2006-02-01), Gray, Jr.

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