Control system for a hybrid electric vehicle powertrain

Details Control system for a hybrid electric vehicle powertrain Control system for a hybrid electric vehicle powertrain

2006-10-10

2006-10-10

Restifo, Jeff (Department: 3618)

Motor vehicles

Power

Electric

C180S065510, C320S104000, C701S022000, C903S945000

Reexamination Certificate

active

07117964

ABSTRACT:
A control system for a hybrid powertrain for a hybrid electric vehicle with an internal combustion engine and an electric drive system including an electric motor, a battery and a generator. The control system includes a system controller that monitors actual battery power in a closed-loop fashion and detects an error between actual battery power and a request for battery power. The engine power is corrected so that the battery is used at its intended level, thereby avoiding unnecessary charging and discharging.

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