EP1477654A1 - Procede pour stopper un moteur a combustion interne entre une position de repos desirée - Google Patents

Procede pour stopper un moteur a combustion interne entre une position de repos desirée Download PDF

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Publication number
EP1477654A1
EP1477654A1 EP03101379A EP03101379A EP1477654A1 EP 1477654 A1 EP1477654 A1 EP 1477654A1 EP 03101379 A EP03101379 A EP 03101379A EP 03101379 A EP03101379 A EP 03101379A EP 1477654 A1 EP1477654 A1 EP 1477654A1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
engine
rest position
movement
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
EP03101379A
Other languages
German (de)
English (en)
Other versions
EP1477654B1 (fr
Inventor
Klemens Grieser
Ulrich Kramer
Klaus Badke
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Priority to DE50302116T priority Critical patent/DE50302116D1/de
Priority to EP03101379A priority patent/EP1477654B1/fr
Publication of EP1477654A1 publication Critical patent/EP1477654A1/fr
Application granted granted Critical
Publication of EP1477654B1 publication Critical patent/EP1477654B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N99/00—Subject matter not provided for in other groups of this subclass
    • F02N99/002—Starting combustion engines by ignition means
    • F02N99/006—Providing a combustible mixture inside the cylinder
    • 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
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F02D2041/0095—Synchronisation of the cylinders during engine shutdown
    • 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
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • 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
    • 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
    • F02N2200/021—Engine crank angle
    • 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 invention relates to a method for stopping an internal combustion engine - in particular an internal combustion engine with direct injection and spark ignition - in a desired rest position by influencing the outflow movement the internal combustion engine. Furthermore, the invention relates to an internal combustion engine, the is designed to carry out such a method.
  • crankshaft at the beginning of the annealing in or stands near a certain position.
  • the crankshaft at standstill should be ensured.
  • the actually achieved rest positions of the internal combustion engine partly considerably, which is correspondingly negative to the conditions for a starterless Starting the internal combustion engine affects.
  • the described method has the advantage that it is very flexible in connection with different methods of influencing the movement of a Internal combustion engine can be exercised. That is, it can be almost any specific one Procedure for stopping an internal combustion engine in a desired rest position be further improved by the method described. Especially simple, inexpensive methods can be improved in this way that these achieve the precision and reliability of more sophisticated methods.
  • the predetermined in the process desired rest position of the internal combustion engine may in particular be set so that the internal combustion engine in an optimal initial configuration for a subsequent tempering solely by (or at least assisted by) fuel combustion located.
  • the benefits of a Can be achieved with fuel combustion, i. E. the size reduction the required auxiliary equipment (starter motor) or the complete Waiver on this.
  • For the prediction of the rest position of the internal combustion engine can in principle all already measured and / or derived for the usual engine control Data on the operating condition of the vehicle are used. Especially are used to predict the rest position operating data, the the engine speed, the crankshaft angle, the engine temperature (or a temperature correlated therewith such as the coolant temperature) and / or the Include intake pressure in the intake manifold of the engine.
  • the sizes mentioned Experience has shown that the strongest influence on the discharge movement of Internal combustion engine.
  • a model of the discharge movement of the Internal combustion engine used which (a) the current kinetic energy of Driveline, (b) the friction losses and / or (c) the compression and Expansion processes in the cylinders of the internal combustion engine considered.
  • One such model can be obtained on the basis of theoretical considerations and in Form of mathematical equations are implemented.
  • the Model obtained entirely or at least partially empirically, i. by observation the engine behavior and processing of the measured data obtained (eg as a lookup table).
  • the model may optionally include parameters based on a comparison between the model predicted and the one actually accepted Rest position of the internal combustion engine can be adapted. In this way, the Prediction performance of the model constantly improved or to changes be adapted in the behavior of the internal combustion engine. By adaptability the model ensures that it is production-related Tolerances in engine behavior and aging phenomena during the life of a motor vehicle adapts and therefore for each individual Vehicle and achieved at any time a high prediction accuracy.
  • the invention further relates to an internal combustion engine with direct injection and Spark ignition and a motor control unit, which formed to the effect is to carry out a method of the type described above. That is, the engine control unit via suitable means influence on the discharge movement the internal combustion engine can take to the latter in a desired rest position to bring to a standstill. Furthermore, the engine control unit has means to predict the expected resting position and is able to Influence on the phasing out movement due to such prediction.
  • the engine control unit can in particular sensor inputs for the engine speed, have the crankshaft angle, the intake pressure and / or the engine temperature. In this way it is ensured that these for the discharge movement of the Internal combustion engine particularly relevant sizes currently with their actual Values can be detected.
  • the internal combustion engine further optionally includes a braking device, with which a braking force is exerted on the outlet movement of the internal combustion engine can.
  • the braking device may be e.g. directly on the crankshaft, attach to the camshaft or to a piston. It allows for stopping in a desired rest position without the outside of the movement of the Internal combustion engine should be energetically supplied.
  • FIG. 1 shows schematically the components of an internal combustion engine with Direct injection and a motor control unit for carrying out the inventive Process.
  • the internal combustion engine 10 shown in the figure is a Combustion engine with spark ignition and direct injection of gasoline over the leading into the cylinder 3 fuel supply 4.
  • a motor with direct injection has the advantage that this by spark ignition of the air-fuel mixture can be started directly in the cylinders 3, without an additional Starter motor, the crankshaft 11 must drive during a cranking phase.
  • the (external or self) ignition of an air-fuel mixture during the starting phase but only to support a starter (starter motor) to accelerate the startup process (“Quick Start")
  • starter motor starter motor
  • the internal combustion engine 10 further includes an intake manifold 2 for supplying fresh air, wherein the supply rate can be adjusted via a throttle valve 1. Downstream of the throttle valve 1, a pressure sensor for the suction pressure is arranged, whose signal p man is passed to a motor control unit 7, which may be realized for example by a microprocessor. Further, a sensor for the crankshaft angle ⁇ or the rotational speed n and to the internal combustion engine 10, a sensor for the engine temperature T is provided on the crankshaft 11 of the internal combustion engine 10, both of which transmit their signals to the engine control unit 7. Other sensor inputs are generally designated by x. The engine control unit 7 receives said sensory information and calculates therefrom control commands for various components of the internal combustion engine such. B. a fuel injection system.
  • the exhaust gases from the cylinders 3 of the internal combustion engine 10 are of a Exhaust manifold 5 passed into an exhaust system.
  • the internal combustion engine with other known components such as an exhaust gas recirculation, an exhaust gas turbocharger, a catalyst od. Like. Equipped be, which are not shown in detail in the figure.
  • a braking device 6 is shown schematically in the figure, which can exert a directly or indirectly predetermined by the engine control unit 7 braking force F B on the crankshaft 11 of the internal combustion engine 10.
  • the braking device could also act on another part coupled to the engine rotation, such as the camshaft (not shown) or a piston.
  • an alternator 9 is indicated, whose electrical load L from the engine control unit 7 z. B. controlled by turning on power consumers can be.
  • the control of which influences the outflow movement of the internal combustion engine 10 can be used are an oil pump, an air conditioning compressor, a pump for a steering assistance system, a timing chain or a timing belt for coupling crankshaft and camshaft and the friction clutch located between the internal combustion engine and the transmission, however, the vehicle brake should be activated.
  • a model 8 for the discharge movement of Internal combustion engine 10 d. H. their movement from turning off the ignition respectively the fuel supply to a standstill (zero speed) used.
  • This Model can be the expected resting position of the internal combustion engine 10 based on the current engine operating parameters. If a deviation between the predicted resting position and the desired Rest position exists, the engine control unit 7 can take their influence Adjust to the coasting movement, so that the actually achieved Rest position closer to the desired rest position than the model (under Assumption of an unmatched influence) predicted.
  • the model calculates the friction acting on the motor movement, the z. B. can be expressed as a frictional force F R.
  • This friction is estimated on the basis of the loss of kinetic energy between two times t 1 and t 2 during the coasting movement of the internal combustion engine 10.
  • the compression and expansion processes are modeled in the engine 10, as these also have a significant influence on the discharge movement. Based on an energy balance between the current energy of the engine and the energy losses, the expected resting position can then be predicted. If this is not within the desired target range, the influence measures available to the engine control unit 7 can be adapted accordingly.
  • the model 8 of the engine control unit 7 is adapted to learn.
  • the model may contain adaptive subsystems, e.g. In the form of neural networks. By adjusting appropriate parameters can then good predictions throughout the life of the motor vehicle or over the entire range of variation of mass production be guaranteed.
  • the model can be refined by considering all relevant engine parameters such as engine wear, production tolerances, oil viscosity and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
EP03101379A 2003-05-16 2003-05-16 Procede pour stopper un moteur a combustion interne entre une position de repos desirée Expired - Lifetime EP1477654B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50302116T DE50302116D1 (de) 2003-05-16 2003-05-16 Verfahren zum Anhalten einer Brennkraftmaschine in einer gewuenschten Ruheposition
EP03101379A EP1477654B1 (fr) 2003-05-16 2003-05-16 Procede pour stopper un moteur a combustion interne entre une position de repos desirée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03101379A EP1477654B1 (fr) 2003-05-16 2003-05-16 Procede pour stopper un moteur a combustion interne entre une position de repos desirée

Publications (2)

Publication Number Publication Date
EP1477654A1 true EP1477654A1 (fr) 2004-11-17
EP1477654B1 EP1477654B1 (fr) 2006-01-04

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Family Applications (1)

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EP03101379A Expired - Lifetime EP1477654B1 (fr) 2003-05-16 2003-05-16 Procede pour stopper un moteur a combustion interne entre une position de repos desirée

Country Status (2)

Country Link
EP (1) EP1477654B1 (fr)
DE (1) DE50302116D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006043679A1 (fr) * 2004-10-22 2006-04-27 Toyota Jidosha Kabushiki Kaisha Dispositif et procede d'arret de moteur
WO2006062250A1 (fr) * 2004-12-08 2006-06-15 Toyota Jidosha Kabushiki Kaisha Systeme de moteur a combustion interne et procede de commande d'un moteur a combustion interne
EP1826376A1 (fr) * 2006-02-28 2007-08-29 Toyota Jidosha Kabushiki Kaisha Dispositif et procédé d'arrêt automatique de moteur à combustion interne et moteur à combustion interne fourni avec celui-ci
EP1876341A1 (fr) 2006-07-04 2008-01-09 Ford Global Technologies, LLC Procédé pour arrêter un moteur à combustion interne
WO2012000776A1 (fr) * 2010-06-30 2012-01-05 Robert Bosch Gmbh Procédé et dispositif pour positionner un vilebrequin d'un moteur à combustion interne de véhicule automobile
WO2015193713A1 (fr) * 2014-06-19 2015-12-23 Toyota Jidosha Kabushiki Kaisha Appareil et procédé de commande pour moteur a combustion interne
DE102007000185B4 (de) 2006-03-29 2019-05-29 Toyota Jidosha Kabushiki Kaisha Steuervorrichtung für eine Anhalteposition und Steuerverfahren für eine Anhalteposition einer Brennkraftmaschine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709563A1 (fr) * 1994-10-26 1996-05-01 Toyota Jidosha Kabushiki Kaisha Dispositif de commande pour moteur à combustion interne
EP1113169A1 (fr) * 1999-12-28 2001-07-04 Robert Bosch Gmbh Dispositif de démarrage de moteur à combustion interne et sa méthode de commande

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709563A1 (fr) * 1994-10-26 1996-05-01 Toyota Jidosha Kabushiki Kaisha Dispositif de commande pour moteur à combustion interne
EP1113169A1 (fr) * 1999-12-28 2001-07-04 Robert Bosch Gmbh Dispositif de démarrage de moteur à combustion interne et sa méthode de commande
DE10030001A1 (de) * 1999-12-28 2001-07-12 Bosch Gmbh Robert Vorrichtung und Verfahren zum kontrollierten Abstellen einer Brennkraftmaschine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006043679A1 (fr) * 2004-10-22 2006-04-27 Toyota Jidosha Kabushiki Kaisha Dispositif et procede d'arret de moteur
US7587270B2 (en) 2004-10-22 2009-09-08 Toyota Jidosha Kabushiki Kaisha Internal combustion engine system and internal combustion engine control method
WO2006062250A1 (fr) * 2004-12-08 2006-06-15 Toyota Jidosha Kabushiki Kaisha Systeme de moteur a combustion interne et procede de commande d'un moteur a combustion interne
US7574989B2 (en) 2004-12-08 2009-08-18 Toyota Jidosha Kabushiki Kaisha Internal combustion engine system and internal combustion engine control method
EP1826376A1 (fr) * 2006-02-28 2007-08-29 Toyota Jidosha Kabushiki Kaisha Dispositif et procédé d'arrêt automatique de moteur à combustion interne et moteur à combustion interne fourni avec celui-ci
US7458353B2 (en) 2006-02-28 2008-12-02 Toyota Jidosha Kabushiki Kaisha Automatic internal combustion engine stop device, internal combustion engine provided with the same and automatic internal combustion engine stop method
DE102007000185B4 (de) 2006-03-29 2019-05-29 Toyota Jidosha Kabushiki Kaisha Steuervorrichtung für eine Anhalteposition und Steuerverfahren für eine Anhalteposition einer Brennkraftmaschine
EP1876341A1 (fr) 2006-07-04 2008-01-09 Ford Global Technologies, LLC Procédé pour arrêter un moteur à combustion interne
WO2012000776A1 (fr) * 2010-06-30 2012-01-05 Robert Bosch Gmbh Procédé et dispositif pour positionner un vilebrequin d'un moteur à combustion interne de véhicule automobile
CN102959229A (zh) * 2010-06-30 2013-03-06 罗伯特·博世有限公司 用于对机动车内燃机的曲轴进行定位的方法和装置
WO2015193713A1 (fr) * 2014-06-19 2015-12-23 Toyota Jidosha Kabushiki Kaisha Appareil et procédé de commande pour moteur a combustion interne

Also Published As

Publication number Publication date
DE50302116D1 (de) 2006-03-30
EP1477654B1 (fr) 2006-01-04

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