Method for determining switch-off time of solenoid valve of rail-diesel engine, involves providing reference characteristic as simulation characteristic by solenoid valve simulation circuit that imitates reference measurement characteristic
The method involves detecting solenoid valve-voltage characteristic, and comparing the detected solenoid valve-voltage characteristic with a reference voltage characteristic. The reference voltage characteristic is provided as simulation voltage characteristic by a solenoid valve simulation circuit...
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Format | Patent |
Language | English German |
Published |
31.03.2011
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Subjects | |
Online Access | Get full text |
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Abstract | The method involves detecting solenoid valve-voltage characteristic, and comparing the detected solenoid valve-voltage characteristic with a reference voltage characteristic. The reference voltage characteristic is provided as simulation voltage characteristic by a solenoid valve simulation circuit that imitates a reference measurement voltage characteristic. The simulation voltage characteristic is assigned to the reference measurement voltage characteristic, where the simulation circuit is designed as a resistor capacitor (RC) element (130) with a capacitor (C11) and resistors (R11, R12). An independent claim is also included for a device for determining a switch-off time of a single solenoid valve.
Bei einem Verfahren zur Bestimmung des Ausschaltzeitpunkts eines Magnetventils, insbesondere eines Magnetventils einer Einspritzeinrichtung einer Common Rail-Dieselbrennkraftmaschine, bei dem ein Magnetventil-Spannungsverlauf (331) erfasst und mit einem Referenz-Spannungsverlauf verglichen wird, wird vorgeschlagen, den Referenz-Spannungsverlauf als Simulations-Spannungsverlauf (333) durch eine das Magnetventil nachbildende Magnetventil-Simulationsschaltung (130) bereitzustellen. Eine entsprechende Vorrichtung ist ebenfalls Gegenstand der Erfindung. |
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AbstractList | The method involves detecting solenoid valve-voltage characteristic, and comparing the detected solenoid valve-voltage characteristic with a reference voltage characteristic. The reference voltage characteristic is provided as simulation voltage characteristic by a solenoid valve simulation circuit that imitates a reference measurement voltage characteristic. The simulation voltage characteristic is assigned to the reference measurement voltage characteristic, where the simulation circuit is designed as a resistor capacitor (RC) element (130) with a capacitor (C11) and resistors (R11, R12). An independent claim is also included for a device for determining a switch-off time of a single solenoid valve.
Bei einem Verfahren zur Bestimmung des Ausschaltzeitpunkts eines Magnetventils, insbesondere eines Magnetventils einer Einspritzeinrichtung einer Common Rail-Dieselbrennkraftmaschine, bei dem ein Magnetventil-Spannungsverlauf (331) erfasst und mit einem Referenz-Spannungsverlauf verglichen wird, wird vorgeschlagen, den Referenz-Spannungsverlauf als Simulations-Spannungsverlauf (333) durch eine das Magnetventil nachbildende Magnetventil-Simulationsschaltung (130) bereitzustellen. Eine entsprechende Vorrichtung ist ebenfalls Gegenstand der Erfindung. |
Author | DEGLER, TRAUGOTT |
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DocumentTitleAlternate | Bestimmung des Ausschaltzeitpunkts eines Magnetventils |
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Snippet | The method involves detecting solenoid valve-voltage characteristic, and comparing the detected solenoid valve-voltage characteristic with a reference voltage... |
SourceID | epo |
SourceType | Open Access Repository |
SubjectTerms | BASIC ELECTRIC ELEMENTS BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ELECTRICITY HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS WEAPONS |
Title | Method for determining switch-off time of solenoid valve of rail-diesel engine, involves providing reference characteristic as simulation characteristic by solenoid valve simulation circuit that imitates reference measurement characteristic |
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