Control apparatus for electrical generator of motor vehicle

Details Control apparatus for electrical generator of motor vehicle Control apparatus for electrical generator of motor vehicle

2007-06-05

2007-06-05

Schuberg, Darren (Department: 2834)

Prime-mover dynamo plants

Electric control

Engine control

C322S029000, C123S002000

Reexamination Certificate

active

11017051

ABSTRACT:
A control apparatus such as an ECU, that controls the generator of a vehicle, measures the engine rotation speed and generator rotation speed while the engine is idling, and calculates and stores the ratio of the speed values. Thereafter when the vehicle is being driven and the current value of generator rotation speed is required, it is calculated based on the stored ratio value and the currently measured speed of the engine. The processing load on the ECU is thereby reduced, since generator rotation speed measurement processing is performed only in the idling condition.

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