Control method and control device for an actuator

Details Control method and control device for an actuator Control method and control device for an actuator

2005-01-11

2008-09-02

Vo, Hieu T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S445000

Reexamination Certificate

active

07421332

ABSTRACT:
A control method for an actuator (1-4) of an injector of a fuel injection system in an internal combustion engine has the following steps: specification of a target value (SOISOLL) for the start of the injection; electric control of the actuator (1-4) at a specific trigger time (tTRIGGER) with a specific actuator energy (E); detection of an actual value (SOI1IST, SOI2IST, SOI3IST, SOI4IST ) at the start of the injection; determination of the deviation between the target and actual values (DeltaSOI1, DeltaSOI2, DeltaSOI3, DeltaSOI4) at the start of the injection; and adjustment of the actuator energy (E) in accordance with the deviation between the target and actual values (DeltaSOI1, DeltaSOI2, DeltaSOI3, DeltaSOI4) at the start of the injection to control the start of the injection.

REFERENCES:
patent: 7201127 (2007-04-01), Rockwell et al.
patent: 7318419 (2008-01-01), Dietl et al.
International Search Report and Written Opinion in German & English Translation; PCT/EP2005/050096; 18 Pgs., Apr. 12, 2005.

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