EP3320200B1 - Procédé, et système de commande associé, pour déterminer un décalage par rapport à une mesure de l'angle de vilebrequin - Google Patents

Procédé, et système de commande associé, pour déterminer un décalage par rapport à une mesure de l'angle de vilebrequin Download PDF

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Publication number
EP3320200B1
EP3320200B1 EP15788450.3A EP15788450A EP3320200B1 EP 3320200 B1 EP3320200 B1 EP 3320200B1 EP 15788450 A EP15788450 A EP 15788450A EP 3320200 B1 EP3320200 B1 EP 3320200B1
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EP
European Patent Office
Prior art keywords
cylinder
crank angle
pressure
mean effective
indicated mean
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EP15788450.3A
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German (de)
English (en)
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EP3320200A1 (fr
Inventor
Tom Kaas
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Wartsila Finland Oy
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Wartsila Finland Oy
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    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • F02D41/2474—Characteristics of sensors
    • 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
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine

Definitions

  • US 4944271 discloses a manner of correcting the pressure measurement by an offset of the pressure sensing means, which is determined by comparing the pressure in the cylinder, as detected by the pressure sensing means at the time when the crank is at the top dead center position as detected by the crank angle sensor, with the product of the compression ratio of the engine and the manifold pressure as detected by the manifold pressure sensor. An additional procedure for compensating the effects of temperature is also disclosed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Claims (5)

  1. Procédé pour déterminer un décalage (38) par rapport à une mesure de l'angle de vilebrequin en liaison avec un cylindre (12) d'un moteur à pistons à combustion interne (10), dans lequel procédé :
    - le moteur (10) est tourné et il est empêché de brûler du carburant dans le cylindre pendant le procédé,
    - une valeur de référence pour la pression effective moyenne indiquée est déterminée (34),
    - une valeur intégrale de pression effective moyenne indiquée dans le cylindre est déterminée (32) sur une plage d'angle de vilebrequin pendant que la chambre de combustion du cylindre est fermée et dans lequel une position au point mort du cylindre est située symétriquement dans la plage d'angle de vilebrequin,
    - une valeur de décalage de la position d'angle de vilebrequin est déterminée en se basant sur la valeur intégrale déterminée de pression effective moyenne indiquée et la valeur de référence pour la pression effective moyenne indiquée,
    - la position au point mort est une position au point mort bas dans l'étage de la course d'admission-compression, et les soupapes d'admission du cylindre sont fermées de façon à ce que pendant le procédé, toutes les soupapes d'échange gazeux soient maintenues fermées.
  2. Procédé selon la revendication 1, caractérisé en ce que le procédé est utilisé pour calibrer la mesure de la position de l'angle de vilebrequin de telle façon que la valeur de décalage de la position d'angle de vilebrequin soit utilisée pour la correction de la valeur de la mesure de la position de l'angle de vilebrequin.
  3. Procédé selon la revendication 1, caractérisé en ce que le procédé est utilisé pour diagnostiquer le décalage de position dans la mesure de pression du cylindre.
  4. Procédé selon la revendication 1, caractérisé en ce que la valeur intégrale de la pression effective moyenne indiquée dans le cylindre est déterminée en utilisant une formule IMEP = 1 V R ⋅ ∫ θ 1 θ 2 p θ d dθ V θ dθ
    Figure imgb0009
     où
    IMEP = la valeur intégrale de pression effective moyenne indiquée
    θ1 = angle de début de la plage
    θ2 = angle de fin de la plage
    VR = volume du cylindre balayé par le cylindre lorsque le moteur tourne sur la plage d'angle de vilebrequin θ1 à θ2
    p = pression mesurée dans le cylindre d dθ V θ = dérivée du volume du cylindre
    Figure imgb0010
  5. Système de commande pour déterminer un décalage par rapport à une mesure de l'angle de vilebrequin en liaison avec un cylindre d'un moteur à pistons à combustion interne (10), lequel système de commande comprend :
    - un capteur de pression de cylindre (26) adapté pour mesurer la pression dans une chambre de combustion (20) du cylindre (12) et pour fournir un signal de pression,
    - un capteur de position d'arbre de vilebrequin (28) pour fournir un signal indiquant la position d'un arbre de vilebrequin (16) du moteur (10),
    - une unité de détermination de volume cylindrique (30) qui est adaptée pour recevoir le signal indiquant la position de l'arbre de vilebrequin (16) venant du capteur d'angle de vilebrequin (28) et pour fournir un signal indiquant le volume du cylindre à l'angle de vilebrequin respectif, et laquelle unité de détermination de volume cylindrique (30) comprend des instructions exécutables pour convertir le signal de position en volume cylindrique respectif, et par
    - une unité de détermination (32) de la pression effective moyenne indiquée (IMEP) reliée au capteur de pression de cylindre (26) et à l'unité de détermination de volume cylindrique (30), et adaptée pour recevoir le signal de pression venant du capteur de pression de cylindre (26) et pour recevoir le signal indiquant le volume du cylindre, laquelle unité de détermination (32) de la pression effective moyenne indiquée (IMEP) est en outre reliée au capteur d'angle de vilebrequin (28) et adaptée pour recevoir le signal indiquant la position de l'arbre de vilebrequin (16), et l'unité de détermination (32) de la pression effective moyenne indiquée (IMEP) est dotée d'instructions exécutables pour déterminer une valeur intégrale de pression effective moyenne indiquée dans le cylindre (12), et
    - une unité de commande (36) et une unité de point de consigne (34), dans lequel l'unité de point de consigne est adaptée pour fournir une valeur de référence pour l'unité de commande (36) et l'unité de commande (36) reliée à l'unité de point de consigne (34) et à l'unité de détermination (32) de la pression effective moyenne indiquée (IMEP), et l'unité de commande (36) est adaptée pour recevoir la valeur intégrale de pression effective moyenne indiquée venant de l'unité de détermination (32) de la pression effective moyenne indiquée (IMEP) et une valeur de référence fournie par l'unité de point de consigne (34), et en outre l'unité de commande (36) est dotée d'instructions exécutables pour fournir une valeur de décalage de position d'angle de vilebrequin,
    dans lequel le système de commande est agencé pour exécuter le procédé selon l'une quelconque des revendications 1-4.
EP15788450.3A 2015-09-11 2015-09-11 Procédé, et système de commande associé, pour déterminer un décalage par rapport à une mesure de l'angle de vilebrequin Active EP3320200B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2015/050597 WO2017042423A1 (fr) 2015-09-11 2015-09-11 Procédé, et système de commande associé, pour déterminer un décalage par rapport à une mesure de l'angle de vilebrequin

Publications (2)

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EP3320200A1 EP3320200A1 (fr) 2018-05-16
EP3320200B1 true EP3320200B1 (fr) 2020-05-13

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Country Status (4)

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EP (1) EP3320200B1 (fr)
KR (1) KR102021249B1 (fr)
CN (1) CN107949692B (fr)
WO (1) WO2017042423A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116398266B (zh) * 2023-03-02 2025-05-02 上海船舶运输科学研究所有限公司 一种船用电控柴油机止点传感器位置检测系统和方法

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JPH01262348A (ja) * 1988-04-13 1989-10-19 Mitsubishi Electric Corp 内燃機関の制御装置
SE521998C2 (sv) * 2001-06-13 2004-01-07 Abb Ab Metod för att bestämma övre dödpunkten i en förbränningsmotor
DE10233583B4 (de) * 2002-07-24 2017-06-01 Robert Bosch Gmbh Verfahren zur Überwachung mindestens eines Drucksensors
DE10240492A1 (de) * 2002-09-03 2004-03-11 Robert Bosch Gmbh Verfahren zur Kalibrierung der Zylindersensorik einer zylinderindividuell betriebenen Brennkraftmaschine insbesondere eines Kraftfahrzeugs
JP4479281B2 (ja) * 2003-08-11 2010-06-09 トヨタ自動車株式会社 内燃機関の制御装置
JP4354334B2 (ja) * 2004-05-20 2009-10-28 本田技研工業株式会社 筒内圧センサの故障を判定する装置
FR2903448B1 (fr) * 2006-07-06 2008-09-19 Renault Sas Procede de commande d'un moteur de vehicule en fonction d'une mesure d'une position angulaire d'un vilebrequin
EP2375038B1 (fr) * 2010-04-08 2015-03-04 Delphi International Operations Luxembourg S.à r.l. Dispositif et procédé de diagnostic utilisant un capteur de pression dans un cylindre pour moteur à combustion interne
JP5691438B2 (ja) * 2010-11-25 2015-04-01 いすゞ自動車株式会社 筒内圧力波形処理装置
JP2014080918A (ja) * 2012-10-16 2014-05-08 Toyota Motor Corp 内燃機関の筒内圧検出装置
DE102012023834A1 (de) * 2012-12-06 2014-06-12 Man Diesel & Turbo Se Verfahren zur Bestimmung einer Zylinderdruck-Kurbelwellenpositions-Zuordnung für eine Brennkraftmaschine

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* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN107949692B (zh) 2020-11-24
KR102021249B1 (ko) 2019-09-11
WO2017042423A1 (fr) 2017-03-16
KR20180033556A (ko) 2018-04-03
EP3320200A1 (fr) 2018-05-16
CN107949692A (zh) 2018-04-20

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