Engine control system

Details Engine control system Engine control system

1987-07-01

1989-05-30

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123361, 123399, F29

Patent

active

048340456

ABSTRACT:
The engine control system of the present invention comprises an engine output changing device for controlling an engine output of at least one of engine power, engine, engine torque and engine speed. At least two controls for controlling the engine output changing device are selected from a direct control device for directing detecting an actual value to which the engine output changing device is operated. A target value for the engine output changing device is set based on an amount an accelerator is operated to thereby adjust the engine output changing device to eliminate a difference between the actual value and the target value. A vehicle speed control device for detecting an actual vehicle speed, setting a target value of vehicle speed based on the amount the accelerator is operated, and for controlling the engine output changing device, and an acceleration control device for detecting a change in an actual vehicle speed, setting a target value of vehicle acceleration based on the amount the accelerator is operated, and for controlling the engine output changing device, are also provided. A selecting device is used to select one of the direct control, vehicle speed control and acceleration control devices in accordance with a vehicle running condition.

REFERENCES:
patent: 4419973 (1983-12-01), Collonia
patent: 4505357 (1985-03-01), Pfalzgraf et al.
patent: 4519361 (1985-05-01), Murakami
patent: 4640246 (1987-02-01), Sturdy
patent: 4671235 (1987-06-01), Hosaka
patent: 4691676 (1987-09-01), Kikushi
patent: 4691677 (1987-09-01), Hotata et al.

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