METHOD FOR CONTROLLING A PIEZO INJECTOR

The invention relates to a method for controlling a piezo injector for fuel injection in engines with a piezo actuator, which is arranged to control a valve needle, a voltage signal (56) is determined by the piezo-actuator as a measurement parameter, the measurement parameter is evaluated and a feat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	THOMAS MOCKEN, ERIK TONNER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for controlling a piezo injector for fuel injection in engines with a piezo actuator, which is arranged to control a valve needle, a voltage signal (56) is determined by the piezo-actuator as a measurement parameter, the measurement parameter is evaluated and a feature parameter (60) is determined from the measurement parameter, and a curvature of the feature parameter is used for evaluating the quality of the piezo injector.