METHOD, SYSTEM AND APPARATUS FOR DETECTING INJECTOR CLOSING TIME

A control unit, controller and non-transitory machine-readable medium for detecting a closing time of an injector valve are disclosed. The control unit is configured to receive a valve current profile of the injector valve, process the valve current profile using at least a slope discriminator, and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Barbier, Pascal, Kultgen, Donald, Qiao, Ningsheng
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A control unit, controller and non-transitory machine-readable medium for detecting a closing time of an injector valve are disclosed. The control unit is configured to receive a valve current profile of the injector valve, process the valve current profile using at least a slope discriminator, and determine a stuck status and a closing time (if applicable) of the injector valve based on an output of the slope discriminator.