Closed loop control of i.c. engine idling speed

Details Closed loop control of i.c. engine idling speed Closed loop control of i.c. engine idling speed

1981-01-26

1982-05-11

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Idle speed control

123418, F02P 504, F02D 1110

Patent

active

043287751

ABSTRACT:
A closed loop idling control for an i.c. engine includes a difference signal generator which produces an engine speed error signal. This signals directly controls the ignition timing to provide a fast loop control of speed, but also controls the throttle position via an integrator to provide a slow loop which cancels out the error with minimum exhaust contamination.

REFERENCES:
patent: 3661131 (1972-05-01), Croft
patent: 4111174 (1978-09-01), Fitzner
patent: 4203395 (1980-05-01), Cromas

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