Vehicle engine controller

Details Vehicle engine controller Vehicle engine controller

1987-10-28

1989-03-14

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, F02D 4110, F02D 902

Patent

active

048117137

ABSTRACT:
Disclosed herein is a device for controlling a vehicle engine by controlling a throttle valve by the drive-by-wire method. Using the fact that an acceleration is proportional to an excess torque, a target torque is determined in accordance with a predetermined functional equation by using as input information a target acceleration determined based on the degree of operation of a man-controlled member, the current running acceleration and the current output torque. A target throttle opening rate is set further from the target torque. The throttle valve is then controlled to achieve the target throttle opening rate to predictably control the acceleration, whereby high-accuracy engine control is materialized and drivability is improved.

REFERENCES:
patent: 4453516 (1984-06-01), Filsinger
patent: 4519360 (1985-05-01), Murakami
patent: 4671235 (1987-06-01), Hosaka
patent: 4750598 (1988-06-01), Danno et al.

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