Control of a vehicle powertrain

Details Control of a vehicle powertrain Control of a vehicle powertrain

1995-05-17

1997-08-12

Stephan, Steven L.

Electricity: single generator systems

Power transmitting mechanism control

322 9, 322 38, 180 652, H02P 904

Patent

active

056569211

ABSTRACT:
A controller 20 for a vehicle powertrain, the powertrain comprising an electric motor 16 powered by a battery and an engine 14 powered by fossil fuel. The engine 14 is typically an internal combustion petrol engine. The controller 20 is operative to use maps stored in memory to control the torque contributions from the engine and the motor so as to maintain a desired relationship between the contributions of the electric motor 16 and the engine 14 towards the powering of the vehicle, and the controller is adaptive in that it is arranged to adapt said maps by altering one or more values stored therein to obtain a desired relationship.

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patent: 4282947 (1981-08-01), Kemper
patent: 4335429 (1982-06-01), Kawakatsu
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patent: 5081365 (1992-01-01), Field et al.
patent: 5343970 (1994-09-01), Severinsky
patent: 5389050 (1995-02-01), Sakai et al.
patent: 5390117 (1995-02-01), Graf et al.
patent: 5487007 (1996-01-01), Suzuki et al.

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