EP2480776B1 - Procédé de prédiction du régime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procédé a la prédiction du cylindre d'arrêt - Google Patents

Procédé de prédiction du régime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procédé a la prédiction du cylindre d'arrêt Download PDF

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Publication number
EP2480776B1
EP2480776B1 EP10763213.5A EP10763213A EP2480776B1 EP 2480776 B1 EP2480776 B1 EP 2480776B1 EP 10763213 A EP10763213 A EP 10763213A EP 2480776 B1 EP2480776 B1 EP 2480776B1
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EP
European Patent Office
Prior art keywords
crankshaft
tooth
angular position
angular
determined
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.)
Active
Application number
EP10763213.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2480776A1 (fr
Inventor
Julien Tisseau
Christophe Blind
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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.)
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Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP2480776A1 publication Critical patent/EP2480776A1/fr
Application granted granted Critical
Publication of EP2480776B1 publication Critical patent/EP2480776B1/fr
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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
    • F02D41/042—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
    • F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1012—Engine speed gradient
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/005—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation
    • F02N2019/008—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation the engine being stopped in a particular position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
    • F02N2200/022—Engine speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00—Control related aspects of engine starting
    • F02N2300/20—Control related aspects of engine starting characterised by the control method
    • F02N2300/2006—Control related aspects of engine starting characterised by the control method using prediction of future conditions

Definitions

  • the present invention relates to the field of internal combustion engines, and more particularly to the anticipated determination of the rotational speed in the stopping phase of the engine.
  • the electronic computers mainly have information provided by two sensors, which respectively characterize the rotation of the crankshaft of the engine (this is called a speed sensor), and potentially the rotation of at least one camshaft (this is called a position sensor AAC or camshaft).
  • the flywheel secured to the crankshaft of the engine, is provided on its periphery with a set of teeth, called target, opposite which is positioned the speed sensor. It delivers an alternating voltage in crenels, presenting rising electric fronts and descending electric fronts, and whose frequency varies with the engine speed.
  • the flywheel may have, for example, 58 teeth and two gaps (that is to say, a toothing of 60 teeth including 2 missing). The sensor will detect these gaps thus providing information on the position of the crankshaft and the speed of rotation or engine speed.
  • control or control in question can obviously not be implemented without knowledge of the engine speed, which can be troublesome to respond to problems of motor vehicles equipped with an automatic on / off using a starter.
  • the actual speed measurement measured over a given range of angular position is thus used to predict at a future angular position of the crankshaft.
  • the invention also relates to an application of the method of the invention to the prediction of the stopping cylinder of an internal combustion engine, characterized in that the third angular position of the crankshaft corresponds to a top dead center. combustion.
  • the estimation of the speed for angular positions of the crankshaft corresponding to a top dead center, also called PMH combustion, makes it possible to determine the last PMH for which the estimated speed will be non-zero and to deduce the cylinder in corresponding compression that is designated as the stop cylinder.
  • the figure 1 shows schematically an internal combustion engine 1 comprising a crankshaft 2.
  • the internal combustion engine is equipped with a device 3 for determining the rotational position of the crankshaft 2.
  • This device comprises a toothed wheel 4, a speed sensor 5 connected to an electronic control unit 6 also called ECU.
  • the toothed wheel 4 is integrally connected in rotation to the crankshaft 2 so that when the internal combustion engine 1 operates, the toothed wheel 4 rotates relative to the 1.
  • the periphery of the toothed wheel 4 has teeth 7 corresponding to an angular width of 3 ° and two teeth are separated by a recess 8 with an angular width of 3 °. In one part of the periphery, two adjacent teeth 7 have been removed to have an enlarged tooth gap called spacing 9. At each passage between a tooth 7 and a recess 8 or at the spacing 9, there is a tooth flank 10
  • the ECU 6 comprises the calculation and storage means necessary for determining the actual engine speed and the predicted engine speed according to the invention.
  • t id the time separating two successive identical fronts.
  • the fronts can be 12 or downs 13.
  • the sensor 5 is a Hall effect sensor mounted in a fixed manner with respect to the internal combustion engine 1.
  • the sensor 5 captures the succession of teeth 7 and tooth gaps 8 or the spacing 9 which passes in front of it and generates a crenelated electrical signal 11, having rising electric edges 12 and descending electrical fronts 13, the frequency of which varies with the engine rotation speed N.
  • the engine speed can be predicted using information based on the difference between a current instantaneous squared regime and the engine speeds. snapshot prior to squared.
  • end of rotation phase is understood to mean the period following a stopping of the operation of the internal combustion engine 1 due to a cut by the ECU 6 of the injection and ignition.
  • the figure 2 shows the phase of end of rotation of the crankshaft 2 of the internal combustion engine 1 in the form of a diagram giving the variation of the speed N as a function of the angle ⁇ of the crankshaft 2.
  • the figure 2 shows that during the final rotation phase the rotation speed N of the crankshaft 2 decreases. Indeed, the internal combustion engine 1 does not provide energy and loss of torque due to the friction forces, but not only, oppose the rotation of the crankshaft 2 of the engine 1 and slow the speed of rotation N crankshaft 2.
  • the figure 2 further shows that the decrease in the rotation speed N of the crankshaft is not monotonous but presents oscillations periodically angularly, in other words on a range T of angular positions. Indeed, these oscillations are due to the fact that certain loss pairs such as those generated by the efforts of admission, compression, expansion and exhaust which are periodic phase shift between the engine cycles of each cylinder of the engine.
  • the range T of angular positions of the crankshaft 2 is 180 °, 360 ° or 720 °.
  • the range T is 360 °, to have a better precision of the prediction of the regime.
  • N the first and ⁇ seconds.
  • Stop cylinder means the cylinder which is in the compression phase of the engine cycle.
  • Is k INT NOT TDC 2 VS 0
  • the invention is not limited to a particular type of combustion engine.
  • the range T of angular positions of the crankshaft 2 is preferably 240 ° or 720 °, due to the phase shift of the engine cycles of the various cylinders.
  • the range T of angular positions of the crankshaft 2 is preferably 120 °, 240 ° or 720 °, due to the phase shift of the engine cycles of the various cylinders.
  • the invention has the advantage of being simple to set up as a computer routine programmed in the ECU and does not require any particular calibration.

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)
EP10763213.5A 2009-09-23 2010-08-19 Procédé de prédiction du régime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procédé a la prédiction du cylindre d'arrêt Active EP2480776B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0956536A FR2950388B1 (fr) 2009-09-23 2009-09-23 Procede de prediction du regime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procede a la prediction du cylindre d'arret
PCT/FR2010/051734 WO2011036361A1 (fr) 2009-09-23 2010-08-19 Procédé de prédiction du régime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procédé a la prédiction du cylindre d'arrêt

Publications (2)

Publication Number Publication Date
EP2480776A1 EP2480776A1 (fr) 2012-08-01
EP2480776B1 true EP2480776B1 (fr) 2017-02-22

Family

ID=42122883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10763213.5A Active EP2480776B1 (fr) 2009-09-23 2010-08-19 Procédé de prédiction du régime de rotation d'un vilebrequin de moteur en phase de fin de rotation et application du procédé a la prédiction du cylindre d'arrêt

Country Status (5)

Country Link
EP (1) EP2480776B1 (zh)
CN (1) CN102510941B (zh)
BR (1) BR112012005586B1 (zh)
FR (1) FR2950388B1 (zh)
WO (1) WO2011036361A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011016638A1 (de) * 2011-04-09 2012-10-11 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Verfahren zum Betrieb einer Brennkraftmaschine, Steuereinheit, Computerprogrammprodukt, Computerprogramm sowie Signalfolge
DE102015221634A1 (de) * 2015-11-04 2017-05-04 Robert Bosch Gmbh Verfahren zur Prädiktion einer Zeitdauer zwischen zwei Signalflanken eines Drehzahlsensorsignals
FR3129182A1 (fr) 2021-11-18 2023-05-19 Psa Automobiles Sa Procede de redemarrage d’un moteur thermique en phase d’arret comprenant une gestion de modes de redemarrage

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
FR956536A (zh) 1950-02-02
AU608253B2 (en) * 1986-12-01 1991-03-28 Woodward Governor Company Method and apparatus for iterated determinations of sensed speed and speed governing
JP3596303B2 (ja) * 1998-09-17 2004-12-02 日産自動車株式会社 エンジンの回転速度検出装置
US6499342B1 (en) * 2000-09-05 2002-12-31 Ford Global Technologies, Inc. Method of determining the stopping position of an internal combustion engine
FR2827911B1 (fr) * 2001-07-27 2004-01-30 Peugeot Citroen Automobiles Sa Procede de reglage de l'arret et procede de redemarrage d'un moteur a combustion interne
FR2834337B1 (fr) * 2002-01-03 2004-03-19 Johnson Contr Automotive Elect Procede et dispositif de detection de la position electrique du rotor d'une machine electrique accouple a un moteur a combustion interne
US6681173B2 (en) * 2002-03-15 2004-01-20 Delphi Technologies, Inc. Method and system for determining angular crankshaft position prior to a cranking event
JP3770235B2 (ja) * 2003-01-28 2006-04-26 トヨタ自動車株式会社 内燃機関の停止位置推定装置
JP2004232539A (ja) * 2003-01-30 2004-08-19 Denso Corp エンジン回転停止制御装置
US7027911B2 (en) * 2003-01-30 2006-04-11 Denso Corporation Apparatus for controlling engine rotation stop by estimating kinetic energy and stop position
JP4419655B2 (ja) * 2004-04-08 2010-02-24 株式会社デンソー エンジンの停止始動制御装置
JP2006029247A (ja) * 2004-07-20 2006-02-02 Denso Corp エンジンの停止始動制御装置
US7562650B2 (en) * 2005-05-13 2009-07-21 Toyota Jidosha Kabushiki Kaisha Start-up control apparatus for an internal combustion engine
FR2890690B1 (fr) * 2005-09-09 2007-11-09 Siemens Vdo Automotive Sas Procede de determination de l'inversion du sens de rotation d'un moteur
JP4666286B2 (ja) * 2007-03-05 2011-04-06 株式会社デンソー エンジン回転停止制御装置

Non-Patent Citations (1)

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None *

Also Published As

Publication number Publication date
WO2011036361A1 (fr) 2011-03-31
BR112012005586A2 (pt) 2016-06-14
FR2950388A1 (fr) 2011-03-25
EP2480776A1 (fr) 2012-08-01
FR2950388B1 (fr) 2012-04-20
CN102510941A (zh) 2012-06-20
BR112012005586B1 (pt) 2019-11-05
CN102510941B (zh) 2016-08-17

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