EP1843023A2 - Procédé d'adaptation de dispositif d'injection de moteur thermique - Google Patents

Procédé d'adaptation de dispositif d'injection de moteur thermique Download PDF

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Publication number
EP1843023A2
EP1843023A2 EP07104640A EP07104640A EP1843023A2 EP 1843023 A2 EP1843023 A2 EP 1843023A2 EP 07104640 A EP07104640 A EP 07104640A EP 07104640 A EP07104640 A EP 07104640A EP 1843023 A2 EP1843023 A2 EP 1843023A2
Authority
EP
European Patent Office
Prior art keywords
fuel
combustion engine
fuel quantity
internal combustion
injected
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.)
Withdrawn
Application number
EP07104640A
Other languages
German (de)
English (en)
Other versions
EP1843023A3 (fr
Inventor
Karl Müller
Christian Zimmer
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.)
Continental Automotive GmbH
Original Assignee
Siemens AG
Continental Automotive GmbH
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 Siemens AG, Continental Automotive GmbH filed Critical Siemens AG
Publication of EP1843023A2 publication Critical patent/EP1843023A2/fr
Publication of EP1843023A3 publication Critical patent/EP1843023A3/fr
Withdrawn legal-status Critical Current

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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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • 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
    • F02D41/247—Behaviour for small quantities
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2048—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit said control involving a limitation, e.g. applying current or voltage limits
    • 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
    • F02D2200/025—Engine noise, e.g. determined by using an acoustic sensor
    • 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
    • F02D41/0087—Selective cylinder activation, i.e. partial cylinder operation
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • F02D41/2438—Active learning methods
    • 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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions

Definitions

  • the present invention relates to an adaptation method of an injection system of an internal combustion engine.
  • the adaptation of the smallest fuel quantity to a corresponding control variable of the injection system in the idle and part load range of the internal combustion engine is performed.
  • pre or post injections are made in addition to the injections required in the idle and part load ranges.
  • These pre- or post-injections are controlled with changing control variables of the injection system, for example the activation time.
  • the activation time is increased successively in this process, so that a minimum activation time is recognizable, in which a minimum amount of fuel is actually injected into the cylinder.
  • a measurement window is defined.
  • This measuring window is arranged as a function of the crankshaft angle of the internal combustion engine such that it detects only the combustion of the adaptation injection.
  • the combustion or energy released during combustion is measured from within the operating window Structure-borne sound signals determined.
  • Structure-borne sound signals can be detected, for example, by means of an acceleration sensor based on the piezoelectric principle. Since the combustion of the adaptation injection takes place in temporal proximity to the normal combustion of the idling and / or partial load operation, the operating window of the test injection is interfered with by the noise of neighbor burns. These disturbing noises falsify the evaluation of the combustion energy and thus the determination of the minimum amount of fuel as a function of the activation time of the injection system.
  • the present invention discloses an adaptation method of an injection system of an internal combustion engine, comprising the following steps: a) detecting a coasting phase of the internal combustion engine, b) driving the injection system according to a predetermined drive quantity for injecting a fuel quantity into a cylinder of the internal combustion engine during the coasting phase, c) detecting a combustion energy of the injected fuel quantity, from which a size of the fuel quantity can be determined, so that the predetermined drive quantity of a minimum injectable fuel quantity can be assigned.
  • the present invention has the significant advantage over the prior art that the influence of disturbance variables on the determination of a minimum drive quantity and the corresponding minimum injectable fuel quantity compared to the prior art is substantially reduced. Namely, a rich phase of the internal combustion engine is initially selected, in which the driver neither actuates the accelerator pedal nor controls the engine control unit for any injections. For this reason, in addition to the injections and burns used for the adaptation process, no further combustions of fuel quantities take place, which can generate disturbance variables, in particular noise. On this basis, the structure-borne noise signals generated by the combustion of the injected fuel quantity can be evaluated more easily, so that the determined combustion energy or noise signal energy with greater accuracy allows the determination of the injection quantity of the injection system for a minimum injectable fuel quantity.
  • an operating window is defined in temporal proximity to a combustion of the injected fuel quantity as a function of a detected crankshaft angle of the internal combustion engine and the combustion energy within the operating window is determined on the basis of structure-borne sound signals, preferably with the aid of an acceleration sensor.
  • the operating window overlapping this combustion is for defined detection of the structure-borne noise signals generated by this combustion can be positioned with less effort. Namely, in temporal proximity to the above-mentioned combustion, no further combustion takes place in the same or adjacent cylinders which could generate structure-borne sound signals which should not be detected within the operating window.
  • This procedure of the adaptation method according to the above embodiment therefore makes it possible to position the operating window with higher tolerances while simultaneously increasing the accuracy of the detection of the combustion energy via the structure-borne sound signals.
  • performing an injection cycle of the cylinder without injecting an amount of fuel thereafter detecting an assumed combustion energy in the subsequent cycle of the same cylinder and subtracting the assumed combustion energy and the combustion energy of the injected fuel quantity of a previous injection cycle and a corresponding combustion, so that from the result of the size of the injected amount of fuel can be determined.
  • Energy values are evaluated in connection with the actual combustion of the injected fuel quantity.
  • FIG. 1 a flow diagram of a preferred embodiment is shown in FIG. 1
  • the adaptation method is controlled by means of an engine control of the internal combustion engine. It is also conceivable to provide a separate control unit for the adaptation method. With the adaptation method, it is ensured that with a minimum drive variable of the internal combustion engine, for example a drive time, a drive voltage, fuel is actually injected into the cylinder of the internal combustion engine in question or to be adapted. In order to avoid interfering influences on the adaptation process in favor of this objective, it is carried out in a coasting phase of the internal combustion engine. In the overrun phase of the internal combustion engine, no torque is requested by the driver of a motor vehicle via the accelerator pedal. Furthermore, an injection of fuel is not requested by the engine control, as would be the case, for example, in an idling phase of the internal combustion engine. Thus, the boost phase of the internal combustion engine describes a period and operating range in which normally no injections of fuel quantities are performed in the cylinders of the internal combustion engine.
  • the safety concept releases the injections to be carried out by the adaptation method so that the safety concept and the adaptation method do not interfere with one another.
  • a monitoring function separate from the safety concept is used to monitor this special operation of the injection system and the internal combustion engine. It is also conceivable to carry out a plausibility check in addition to the safety concept, which checks whether there is an ongoing injection for very small quantities in the context of the adaptation process or a malfunction of the injection system of the internal combustion engine. Depending on the result of the plausibility check, the adaptation procedure is continued or interrupted accordingly if a malfunction is detected.
  • an injection strategy is used, in which a drive time of the injection system for injecting a fuel quantity is specified in a respective first injection cycle (S3) and a corresponding injection and ignition takes place (S4).
  • a drive time of the injection system for injecting a fuel quantity is specified in a respective first injection cycle (S3) and a corresponding injection and ignition takes place (S4).
  • S3 first injection cycle
  • S4 injection and ignition takes place
  • step S5 For the subsequent injection cycle of the same cylinder of the internal combustion engine no drive time is given, so that no amount of fuel is injected and therefore no combustion takes place in the subsequent cycle (step S5).
  • the two consecutive working cycles of the same cylinder with and without combustion by the above adaptation method are used for later determination of the size of the injected fuel quantity.
  • combustion energy the energy converted by the combustion is determined and subsequently referred to as combustion energy.
  • combustion energy of the injected fuel quantity S6
  • assumed combustion energy S7
  • the structure-borne noise signals are detected, for example with the aid of a piezoelectric acceleration or knock sensor.
  • the detection of structure-borne sound signals preferably does not extend over the entire working cycle. It is carried out in a specific operating window.
  • the operating window is arranged as a function of a detected crankshaft angle of the internal combustion engine and dimensioned in size such that the combustion of the fuel quantity injected for the adaptation method can be detected. Since no combustion occurs during the working cycle of the cylinder under investigation in the adjacent cylinders of the internal combustion engine, no noise signals are also produced by burns which disturb the determination of the combustion energy in the cylinder to be adapted.
  • step S8 After the combustion energy of the injected fuel quantity and the assumed combustion energy have been detected from the structure-borne sound signals, these are subtracted from each other (S8). If the difference exceeds an optionally definable threshold value, it is initially apparent that an amount of fuel has been injected into the cylinder due to the predetermined activation time. Furthermore, it can be calculated from the difference or energy consideration how large an injected fuel quantity was as a function of the predefined activation time. Due to the difference formation above, the influences of noise are first of all removed in the recorded work games. From the differential amount of energy is then inferred in step S9 on the injected fuel quantity or fuel mass.
  • the drive time is increased step by step from injection cycle to injection cycle. Subsequently, the combustion energy is evaluated in each case according to the above description and the injected fuel quantity determined. From the determined amounts of fuel, the minimum amount of fuel is determined in step S10, so that on this basis, a minimum drive time is predetermined, in which a minimum amount of fuel is actually injected into the cylinder.
  • the determination of a nominal minimum actuation time of the injection system of the internal combustion engine is thus carried out, in which a minimum amount of fuel is actually injected into the cylinder of the internal combustion engine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP07104640A 2006-04-05 2007-03-22 Procédé d'adaptation de dispositif d'injection de moteur thermique Withdrawn EP1843023A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006015967A DE102006015967A1 (de) 2006-04-05 2006-04-05 Adaptionsverfahren einer Einspritzanlage einer Brennkraftmaschine

Publications (2)

Publication Number Publication Date
EP1843023A2 true EP1843023A2 (fr) 2007-10-10
EP1843023A3 EP1843023A3 (fr) 2008-01-16

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Family Applications (1)

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EP07104640A Withdrawn EP1843023A3 (fr) 2006-04-05 2007-03-22 Procédé d'adaptation de dispositif d'injection de moteur thermique

Country Status (3)

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US (1) US20070251507A1 (fr)
EP (1) EP1843023A3 (fr)
DE (1) DE102006015967A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009092474A1 (fr) * 2008-01-22 2009-07-30 Continental Automotive Gmbh Procédé et dispositif pour adapter une courbe caractéristique d’injection
FR2957978A1 (fr) * 2010-03-23 2011-09-30 Peugeot Citroen Automobiles Sa Procede de reglage du debit d'injection de carburant d'un moteur diesel

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8306723B2 (en) * 2008-10-09 2012-11-06 GM Global Technology Operations LLC Method to control fuel injector pulsewidth in a compression-ignition engine
DE102011002764A1 (de) * 2011-01-17 2012-07-19 Robert Bosch Gmbh Verfahren zur Ansteuerung eines Injektors in einer Kraftstoffeinspritzanlage in einer Brennkraftmaschine
FR2982644B1 (fr) * 2011-11-10 2014-01-10 Peugeot Citroen Automobiles Sa Procede de commande d'une alimentation en carburant d'un moteur a combustion interne equipant un vehicule automobile
DE102011087961A1 (de) * 2011-12-08 2013-06-13 Robert Bosch Gmbh Verfahren zum Lernen einer minimalen Ansteuerdauer von Einspritzventilen eines Verbrennungsmotors
WO2015195039A1 (fr) * 2014-06-17 2015-12-23 Scania Cv Ab Procédé et dispositif de détermination de quantité de carburant injecté dans un espace de cylindre d'un moteur à combustion interne
US10330040B2 (en) * 2016-06-14 2019-06-25 Ford Global Technologies, Llc Method and system for air-fuel ratio control
DE102017204477B4 (de) * 2017-03-17 2018-10-11 Continental Automotive Gmbh Verfahren und Motorsteuerung zum Gleichstellen des zeitlichen Öffnungsverhaltens von Kraftstoffinjektoren

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999017010A1 (fr) * 1997-09-29 1999-04-08 Siemens Aktiengesellschaft Procede de surveillance d'un systeme d'injection
EP0959237A2 (fr) * 1998-05-20 1999-11-24 LUCAS INDUSTRIES public limited company Méthode de commande
EP1116946A2 (fr) * 2000-01-13 2001-07-18 Ford Global Technologies, Inc. Contrôle d'un moteur à combustion interne utilisant un accéléromètre monté sur le moteur
DE10305656A1 (de) * 2002-07-02 2004-01-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
EP1388661A2 (fr) * 2002-08-06 2004-02-11 C.R.F. Società Consortile per Azioni Procédé et dispositif de commande de la quantité de carburant injectée dans un moteur à combustion interne, en particulier dans un moteur Diesel à système d'injection à rampe commune
WO2004053316A1 (fr) * 2002-12-10 2004-06-24 Siemens Aktiengesellschaft Procede d'adaptation de la courbe caracteristique d'une soupape d'injection
WO2005042952A1 (fr) * 2003-10-28 2005-05-12 Siemens Aktiengesellschaft Procede et dispositif pour analyser le bruit de combustion lors de l'injection de carburant dans un cylindre de moteur de combustion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2847436B2 (ja) * 1991-02-20 1999-01-20 スズキ株式会社 ２サイクル内燃機関の電子制御燃料噴射装置
US5427071A (en) * 1994-05-04 1995-06-27 Chrysler Corporation Method of catalyst purging fuel lean-out for internal combustion engines
WO1998009064A1 (fr) * 1996-08-28 1998-03-05 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Dispositif de regulation de carburant pour moteur a combustion interne du type a injection dans les cylindres
DE19945618B4 (de) * 1999-09-23 2017-06-08 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung eines Kraftstoffzumeßsystems einer Brennkraftmaschine
DE19957181A1 (de) * 1999-11-27 2001-05-31 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ansteuerung wenigstens eines Verbrauchers
US6390082B1 (en) * 2000-07-13 2002-05-21 Caterpillar Inc. Method and apparatus for controlling the current level of a fuel injector signal during sudden acceleration
TWI224651B (en) * 2001-11-30 2004-12-01 Yamaha Motor Co Ltd Engine controller
DE10254844A1 (de) * 2002-11-25 2004-06-03 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betrieb eines Einspritzsystems einer Brennkraftmaschine
JP2005171927A (ja) * 2003-12-12 2005-06-30 Kokusan Denki Co Ltd エンジンの加減速検出方法及び燃料噴射制御方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999017010A1 (fr) * 1997-09-29 1999-04-08 Siemens Aktiengesellschaft Procede de surveillance d'un systeme d'injection
EP0959237A2 (fr) * 1998-05-20 1999-11-24 LUCAS INDUSTRIES public limited company Méthode de commande
EP1116946A2 (fr) * 2000-01-13 2001-07-18 Ford Global Technologies, Inc. Contrôle d'un moteur à combustion interne utilisant un accéléromètre monté sur le moteur
DE10305656A1 (de) * 2002-07-02 2004-01-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine
EP1388661A2 (fr) * 2002-08-06 2004-02-11 C.R.F. Società Consortile per Azioni Procédé et dispositif de commande de la quantité de carburant injectée dans un moteur à combustion interne, en particulier dans un moteur Diesel à système d'injection à rampe commune
WO2004053316A1 (fr) * 2002-12-10 2004-06-24 Siemens Aktiengesellschaft Procede d'adaptation de la courbe caracteristique d'une soupape d'injection
WO2005042952A1 (fr) * 2003-10-28 2005-05-12 Siemens Aktiengesellschaft Procede et dispositif pour analyser le bruit de combustion lors de l'injection de carburant dans un cylindre de moteur de combustion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009092474A1 (fr) * 2008-01-22 2009-07-30 Continental Automotive Gmbh Procédé et dispositif pour adapter une courbe caractéristique d’injection
CN101939521A (zh) * 2008-01-22 2011-01-05 欧陆汽车有限责任公司 调整喷射特性曲线的方法与装置
US8374770B2 (en) 2008-01-22 2013-02-12 Continental Automotive Gmbh Method and device for adapting an injection characteristic curve
CN101939521B (zh) * 2008-01-22 2013-06-19 欧陆汽车有限责任公司 调整喷射特性曲线的方法与装置
FR2957978A1 (fr) * 2010-03-23 2011-09-30 Peugeot Citroen Automobiles Sa Procede de reglage du debit d'injection de carburant d'un moteur diesel

Also Published As

Publication number Publication date
DE102006015967A1 (de) 2007-10-18
US20070251507A1 (en) 2007-11-01
EP1843023A3 (fr) 2008-01-16

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