Electric power generation control method in a hybrid vehicle uti

Details Electric power generation control method in a hybrid vehicle uti Electric power generation control method in a hybrid vehicle uti

1994-09-08

1996-08-13

Dougherty, Thomas M.

Prime-mover dynamo plants

Electric control

Engine control

290 14, 290 40R, H02P 904, B60L 1102

Patent

active

055459285

ABSTRACT:
An electric power generation control method in a hybrid vehicle. A target generator output is calculated based on a state of charge, a catalyst temperature, etc., and the target number of engine revolutions is calculated based on the target generator output. A field current is corrected in response to the comparison result between a control target range determined in response to the target number of engine revolutions and the detected number of engine revolutions, thereby performing target control of the number of engine revolutions. Then, a correction amount of a throttle angle is set in response to the comparison result between a control target range determined in response to the target generator output and the detected generator output and the throttle angle is corrected, thereby performing target control of the generator output of a generator. Since target control of the number of revolutions is first performed and then target control of the generator output is performed, a control error caused due to engine load being high or low can be prevented. Preferred target control of the number of engine revolutions and the generator output of the generator can be performed regardless of whether engine load is high or low.

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patent: 5081365 (1992-01-01), Field et al.
patent: 5264764 (1993-11-01), Kuang
patent: 5428274 (1995-06-01), Furutani et al.

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