Method for controlling rotational speed of an internal combustio

Details Method for controlling rotational speed of an internal combustio Method for controlling rotational speed of an internal combustio

1993-03-18

1994-04-05

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

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

F02M 3100

Patent

active

052995399

ABSTRACT:
In an engine speed controlling method in a PI isochronous control mode, the initial value of an integral term for PI control is determined when the difference between a given target engine speed and an actual engine speed becomes more than a prescribed level, and the value of the integral term is change to the value of a no-load rack position at which the target engine speed is maintained in no engine load condition, when the actual engine speed becomes equal to the target engine speed, whereby large overshoot and undershoot can be effectively suppressed.

REFERENCES:
patent: 4667560 (1987-06-01), Cao et al.
patent: 4667633 (1987-05-01), Stumpp et al.
patent: 4690114 (1987-09-01), Weischedel
patent: 5067461 (1991-11-01), Joachim et al.
patent: 5085190 (1992-02-01), Birk et al.
patent: 5111789 (1992-05-01), Moriya et al.

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