Method and apparatus for controlling idle speed of an engine

Details Method and apparatus for controlling idle speed of an engine Method and apparatus for controlling idle speed of an engine

2005-01-25

2005-01-25

Huynh, Hai (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S339160

Reexamination Certificate

active

06845751

ABSTRACT:
In the invention an apparatus and method direct an engine speed to converge to a target idle speed by detecting a current engine speed, calculating a dynamic reference speed based on the current engine speed, calculating a target idle speed actuator (ISA) opening based on the dynamic reference speed and the current engine speed, and actuating the ISA based on the target ISA opening.

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