Control system of auxiliary power system for a hybrid electric v

Details Control system of auxiliary power system for a hybrid electric v Control system of auxiliary power system for a hybrid electric v

1998-10-13

2000-09-05

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 66, 307 67, 180 652, 318139, 320132, H02P 900

Patent

active

061147753

ABSTRACT:
The present invention relates to a control system of an auxiliary power system for a hybrid electric vehicle in which a circuit of the control system of the auxiliary power system is constructed by a digital method. The control system has a function for monitoring a battery charging state and a function for controlling an engine at a constant speed. The auxiliary power system for a hybrid electric vehicle includes an engine, a generator, a battery, and a load. The control system includes a rectifier, a first shunt circuit, a smoothing circuit, a contactor, a main control circuit portion, an engine constant-speed control portion, an auxiliary battery, DC/DC converter, a battery charge voltage monitoring portion, a control state display portion, and a second shunt circuit. The engine constant-speed control portion controls the engine at a constant speed by detecting an engine throttle position signal and an engine rpm signal, and controls the engine rpm and the engine on/off by a signal communication between itself and the main control circuit.

REFERENCES:
patent: 5343970 (1994-09-01), Severinsky
patent: 5473228 (1995-12-01), Nii
patent: 5823280 (1998-10-01), Lateur et al.
patent: 5828201 (1998-10-01), Hoffman, Jr. et al.
patent: 5883496 (1999-03-01), Esaki et al.
patent: 5929595 (1999-07-01), Lyons et al.

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