Engine throttle control with varying control constants

Details Engine throttle control with varying control constants Engine throttle control with varying control constants

1996-02-26

1997-09-23

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123399, 180179, 180197, F02D 900

Patent

active

056693516

ABSTRACT:
ECU performs a feedback control on a d.c. motor by a PID feedback control thereby to reduce errors between an actual throttle opening and a command throttle opening. PID control constants Kp, Ti and Td in the PID control are determined in accordance with operating conditions of a vehicle, such as engine idle speed control condition, vehicle traction control condition, vehicle cruise control condition and the like.

REFERENCES:
patent: 4513711 (1985-04-01), Braun et al.
patent: 4985837 (1991-01-01), Togai al.
patent: 5069181 (1991-12-01), Togai et al.
patent: 5088461 (1992-02-01), Ohashi et al.
patent: 5152266 (1992-10-01), Sekiguchi et al.
patent: 5155686 (1992-10-01), Shiraishi et al.

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