EP2518297A3 - Bestimmung und Verringerung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor mit mehreren Zylindern - Google Patents

Bestimmung und Verringerung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor mit mehreren Zylindern Download PDF

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Publication number
EP2518297A3
EP2518297A3 EP12001303.2A EP12001303A EP2518297A3 EP 2518297 A3 EP2518297 A3 EP 2518297A3 EP 12001303 A EP12001303 A EP 12001303A EP 2518297 A3 EP2518297 A3 EP 2518297A3
Authority
EP
European Patent Office
Prior art keywords
pressure
pressure values
cylinder
cylinders
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12001303.2A
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English (en)
French (fr)
Other versions
EP2518297A2 (de
EP2518297B1 (de
Inventor
Franz Kallage
Matthias Schultalbers
Olaf Magnor
Andreas Sprysch
Christian Steinbrecher
Martin Schewik
Andreas Berns
Lars Hentschel
Kay Dr. Schintzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Publication of EP2518297A2 publication Critical patent/EP2518297A2/de
Publication of EP2518297A3 publication Critical patent/EP2518297A3/de
Application granted granted Critical
Publication of EP2518297B1 publication Critical patent/EP2518297B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/008—Controlling each cylinder individually
    • F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/286—Interface circuits comprising means for signal processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure

Abstract

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung (61) zur Bestimmung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor (1) mit mehreren Zylindern (2-5). Der Verbrennungsmotor (1) umfasst ein Druckrohr (14) zur Zuführung von Kraftstoff zu Einspritzventilen (6-9) der mehreren Zylinder (2-5). Für zumindest einen ersten Zylinder und einen zweiten Zylinder der mehreren Zylinder (2-5) werden jeweils mehrere zeitlich aufeinanderfolgende erste Druckwerte (23) in dem Druckrohr (14) vor einer Kraftstoffeinspritzung (22) in den jeweiligen Zylinder erfasst und mehrere zeitlich aufeinanderfolgende zweite Druckwerte (24) in dem Druckrohr (14) nach der Kraftstoffeinspritzung (22) in den jeweiligen Zylinder erfasst. Die mehreren ersten Druckwerte (23) und die mehreren zweiten Druckwerte (24) werden jeweils für den jeweiligen Zylinder statistisch analysiert und ein Druckdifferenzwert (25) wird für den jeweiligen Zylinder auf der Grundlage der mehreren ersten Druckwerte (23) und der mehren zweiten Druckwerte (24) bestimmt, wenn die mehreren ersten Druckwerte (23) und die mehreren zweiten Druckwerte (24) vorbestimmte statistische Eigenschaften erfüllen. In Abhängigkeit von den Druckdifferenzwerten (25) der jeweiligen Zylinder werden Einspritzmengenunterschiede zwischen den Zylindern bestimmt.
EP12001303.2A 2011-04-30 2012-02-28 Bestimmung und Verringerung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor mit mehreren Zylindern Active EP2518297B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011100109A DE102011100109A1 (de) 2011-04-30 2011-04-30 Bestimmung und Verringerung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor mit mehreren Zylindern

Publications (3)

Publication Number Publication Date
EP2518297A2 EP2518297A2 (de) 2012-10-31
EP2518297A3 true EP2518297A3 (de) 2014-03-05
EP2518297B1 EP2518297B1 (de) 2016-02-24

Family

ID=45874638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12001303.2A Active EP2518297B1 (de) 2011-04-30 2012-02-28 Bestimmung und Verringerung eines Einspritzmengenunterschieds bei einem Verbrennungsmotor mit mehreren Zylindern

Country Status (2)

Country Link
EP (1) EP2518297B1 (de)
DE (1) DE102011100109A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019205687B4 (de) * 2019-04-18 2021-08-05 Vitesco Technologies GmbH Verfahren und Vorrichtung zur Regelung der in die Zylinder einer Brennkraftmaschine eingespritzten Kraftstoffmasse
DE102020210984B4 (de) * 2020-08-31 2022-07-07 Vitesco Technologies GmbH Verfahren und Vorrichtung zum Ermitteln einer Fluideinspritzmenge eines Einspritzsystems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085193A2 (de) * 1999-09-20 2001-03-21 Isuzu Motors Limited Kraftstoffeinspritzsystem mit Verteilerleitung
US6304208B1 (en) * 1999-01-19 2001-10-16 Kabushiki Kaisha Toshiba Successive approximation analog-to-digital converter circuit
US20090164086A1 (en) * 2007-12-20 2009-06-25 Mert Geveci System for determining critical on-times for fuel injectors
DE102008016662A1 (de) * 2008-04-01 2009-10-15 Continental Automotive Gmbh Verfahren und Einrichtung zum Einspritzen von Kraftstoff in einen Kraftfahrzeugmotor
DE102008033754A1 (de) * 2008-07-18 2010-01-21 Continental Automotive Gmbh Verfahren zum Ermitteln der Masse des eingespritzten Kraftstoffs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186034A (ja) 1986-02-10 1987-08-14 Toyota Motor Corp 内燃機関の燃料噴射装置
JP2859049B2 (ja) 1992-09-17 1999-02-17 株式会社日立製作所 内燃機関の絞り弁制御装置
JP3155694B2 (ja) 1995-11-09 2001-04-16 株式会社日立製作所 スロットルバルブの制御装置及び方法
DE102005006361A1 (de) * 2005-02-11 2006-08-24 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine
DE102006002738A1 (de) * 2006-01-20 2007-08-02 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
DE102007030713A1 (de) * 2007-07-02 2009-01-08 Robert Bosch Gmbh Verfahren zur Plausibilisierung des Ausgangssignals eines Raildrucksensors
AT10073U9 (de) * 2008-01-14 2009-02-15 Avl List Gmbh Verfahren und vorrichtung zur analyse und bewertung von messdaten eines messsystems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304208B1 (en) * 1999-01-19 2001-10-16 Kabushiki Kaisha Toshiba Successive approximation analog-to-digital converter circuit
EP1085193A2 (de) * 1999-09-20 2001-03-21 Isuzu Motors Limited Kraftstoffeinspritzsystem mit Verteilerleitung
US20090164086A1 (en) * 2007-12-20 2009-06-25 Mert Geveci System for determining critical on-times for fuel injectors
DE102008016662A1 (de) * 2008-04-01 2009-10-15 Continental Automotive Gmbh Verfahren und Einrichtung zum Einspritzen von Kraftstoff in einen Kraftfahrzeugmotor
DE102008033754A1 (de) * 2008-07-18 2010-01-21 Continental Automotive Gmbh Verfahren zum Ermitteln der Masse des eingespritzten Kraftstoffs

Also Published As

Publication number Publication date
DE102011100109A1 (de) 2012-10-31
EP2518297A2 (de) 2012-10-31
EP2518297B1 (de) 2016-02-24

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