Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator

The method involves determining the temporal actuator stroke characteristic of a piezoelectric actuator (103). The actuator stroke characteristic is transformed into the frequency range. Frequency portions are reduced in the received frequency spectrum. The modified frequency spectrum is inverse-tra...

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1. Verfasser:	KUKA, MICHAEL
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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creator	KUKA, MICHAEL
description	The method involves determining the temporal actuator stroke characteristic of a piezoelectric actuator (103). The actuator stroke characteristic is transformed into the frequency range. Frequency portions are reduced in the received frequency spectrum. The modified frequency spectrum is inverse-transformed into the time period. The temporal voltage and current profile is determined from the inverse-transformed time signal for controlling the piezoelectric actuator. An actuator stroke signal is transformed into the frequency range using fast-Fourier-transformations. Independent claims are also included for the following: (1) a computer program for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine (2) a computer program product with program code for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine. Ein Verfahren zur Ansteuerung eines Piezo-Aktors eines Kraftstoffeinspritzventils einer Brennkraftmaschine ist durch folgende Schritte gekennzeichnet: a) Es wird der zeitliche Aktorhubverlauf des Piezo-Aktors ermittelt; b) der Aktorhubverlauf wird in den Frequenzraum transformiert; c) in dem so erhaltenen Frequenzspektrum werden vorgebbare Frequenzanteile reduziert oder gelöscht; d) das modifizierte Frequenzspektrum wird in den Zeitraum rücktransformiert; e) aus dem rücktransformierten Zeitsignal werden der zeitliche Spannungs- und Stromverlauf zur Ansteuerung des Piezo-Aktors ermittelt.
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The actuator stroke characteristic is transformed into the frequency range. Frequency portions are reduced in the received frequency spectrum. The modified frequency spectrum is inverse-transformed into the time period. The temporal voltage and current profile is determined from the inverse-transformed time signal for controlling the piezoelectric actuator. An actuator stroke signal is transformed into the frequency range using fast-Fourier-transformations. Independent claims are also included for the following: (1) a computer program for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine (2) a computer program product with program code for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine. Ein Verfahren zur Ansteuerung eines Piezo-Aktors eines Kraftstoffeinspritzventils einer Brennkraftmaschine ist durch folgende Schritte gekennzeichnet: a) Es wird der zeitliche Aktorhubverlauf des Piezo-Aktors ermittelt; b) der Aktorhubverlauf wird in den Frequenzraum transformiert; c) in dem so erhaltenen Frequenzspektrum werden vorgebbare Frequenzanteile reduziert oder gelöscht; d) das modifizierte Frequenzspektrum wird in den Zeitraum rücktransformiert; e) aus dem rücktransformierten Zeitsignal werden der zeitliche Spannungs- und Stromverlauf zur Ansteuerung des Piezo-Aktors ermittelt.</description><language>eng ; ger</language><subject>BLASTING ; COMBUSTION ENGINES ; CONTROLLING COMBUSTION ENGINES ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERATION ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080327&DB=EPODOC&CC=DE&NR=102006043325A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080327&DB=EPODOC&CC=DE&NR=102006043325A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUKA, MICHAEL</creatorcontrib><title>Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator</title><description>The method involves determining the temporal actuator stroke characteristic of a piezoelectric actuator (103). The actuator stroke characteristic is transformed into the frequency range. Frequency portions are reduced in the received frequency spectrum. The modified frequency spectrum is inverse-transformed into the time period. The temporal voltage and current profile is determined from the inverse-transformed time signal for controlling the piezoelectric actuator. An actuator stroke signal is transformed into the frequency range using fast-Fourier-transformations. Independent claims are also included for the following: (1) a computer program for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine (2) a computer program product with program code for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine. Ein Verfahren zur Ansteuerung eines Piezo-Aktors eines Kraftstoffeinspritzventils einer Brennkraftmaschine ist durch folgende Schritte gekennzeichnet: a) Es wird der zeitliche Aktorhubverlauf des Piezo-Aktors ermittelt; b) der Aktorhubverlauf wird in den Frequenzraum transformiert; c) in dem so erhaltenen Frequenzspektrum werden vorgebbare Frequenzanteile reduziert oder gelöscht; d) das modifizierte Frequenzspektrum wird in den Zeitraum rücktransformiert; e) aus dem rücktransformierten Zeitsignal werden der zeitliche Spannungs- und Stromverlauf zur Ansteuerung des Piezo-Aktors ermittelt.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>CONTROLLING COMBUSTION ENGINES</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjrFOw0AQRN1QIOAftklHIicO6SNIxAfQh-M8Nhudd093axd8MZ_BJaKgIFKqkWae9Oa2-t6PCMRyhDeWniYXJrxniowvRShtYk_O2-hME3kVSxrCCR1gn9pSV2oWQxIX5l6HjzEbqxCkZwHxAgtqGfmsuYQ9lm3Sos7UokADy0lhGKImF6hs5nqQk5b8mBLEKCbtOOB84O-v_6_fVzedCxkPv3lXzfa7t-fXOaIekKPzENjhZbesV3W9qddNs3raLptruR8SgnRf</recordid><startdate>20080327</startdate><enddate>20080327</enddate><creator>KUKA, MICHAEL</creator><scope>EVB</scope></search><sort><creationdate>20080327</creationdate><title>Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator</title><author>KUKA, MICHAEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE102006043325A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>2008</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>CONTROLLING COMBUSTION ENGINES</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>KUKA, MICHAEL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUKA, MICHAEL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator</title><date>2008-03-27</date><risdate>2008</risdate><abstract>The method involves determining the temporal actuator stroke characteristic of a piezoelectric actuator (103). The actuator stroke characteristic is transformed into the frequency range. Frequency portions are reduced in the received frequency spectrum. The modified frequency spectrum is inverse-transformed into the time period. The temporal voltage and current profile is determined from the inverse-transformed time signal for controlling the piezoelectric actuator. An actuator stroke signal is transformed into the frequency range using fast-Fourier-transformations. Independent claims are also included for the following: (1) a computer program for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine (2) a computer program product with program code for performing a method for controlling an piezoelectric actuator of a fuel injecting valve of an internal-combustion engine. Ein Verfahren zur Ansteuerung eines Piezo-Aktors eines Kraftstoffeinspritzventils einer Brennkraftmaschine ist durch folgende Schritte gekennzeichnet: a) Es wird der zeitliche Aktorhubverlauf des Piezo-Aktors ermittelt; b) der Aktorhubverlauf wird in den Frequenzraum transformiert; c) in dem so erhaltenen Frequenzspektrum werden vorgebbare Frequenzanteile reduziert oder gelöscht; d) das modifizierte Frequenzspektrum wird in den Zeitraum rücktransformiert; e) aus dem rücktransformierten Zeitsignal werden der zeitliche Spannungs- und Stromverlauf zur Ansteuerung des Piezo-Aktors ermittelt.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
title	Fuel injecting valve`s piezoelectric actuator controlling method for internal-combustion engine i.e. diesel internal-combustion engine, involves determining temporal voltage and current profile for controlling piezoelectric actuator
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