EP0942163A2 - Procédé pour la synchronisation d'un moteur à combustion interne à plusieurs cylindres - Google Patents

Procédé pour la synchronisation d'un moteur à combustion interne à plusieurs cylindres Download PDF

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Publication number
EP0942163A2
EP0942163A2 EP98123719A EP98123719A EP0942163A2 EP 0942163 A2 EP0942163 A2 EP 0942163A2 EP 98123719 A EP98123719 A EP 98123719A EP 98123719 A EP98123719 A EP 98123719A EP 0942163 A2 EP0942163 A2 EP 0942163A2
Authority
EP
European Patent Office
Prior art keywords
synchronization
crankshaft
cylinder
combustion engine
internal combustion
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
EP98123719A
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German (de)
English (en)
Other versions
EP0942163B1 (fr
EP0942163A3 (fr
Inventor
Holger Loof
Thilo Jahn
Martin Widmer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
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Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0942163A2 publication Critical patent/EP0942163A2/fr
Publication of EP0942163A3 publication Critical patent/EP0942163A3/fr
Application granted granted Critical
Publication of EP0942163B1 publication Critical patent/EP0942163B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • F02D41/009—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
    • 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
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • 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
    • F02D2041/0092—Synchronisation of the cylinders at engine start

Definitions

  • the invention relates to a method for synchronization or the cylinder assignment for crankshaft position a multi-cylinder internal combustion engine of the type of the main claim.
  • crankshaft and camshaft are included connected to a disc that has a predeterminable number of Have angular marks.
  • the one connected to the crankshaft Disk usually has n - e (e.g. 60 - 2) Angle marks, the reference mark is therefore by a gap of two angle marks formed.
  • the one with the camshaft connected disc also has an angle mark.
  • the inventive method with the features of Claim 1 has the advantage that it is compared to the known Solution is even more reliable and with incorrect synchronization prevented even greater security.
  • the inventive method ensures that also in the case where an injection at the right time or not at the correct crankshaft angle Ignition or combustion leads, no incorrect synchronization is triggered.
  • the method according to the invention can thus even at low temperatures, where one in itself correct injection does not lead to ignition become.
  • the test injections are advantageous not always triggered for the same cylinder to this not overburdening.
  • a cylinder too large Amounts of fuel are supplied.
  • the sequence of Trial injections should advantageously not always be start at the same cylinder.
  • the redundant synchronization search with every restart with start another cylinder also taking into account can be that in some cylinders the ignitability is reduced compared to other cylinders.
  • the method according to the invention is particularly useful advantageously in an internal combustion engine with crank and Camshaft encoder used if the Camshaft sender fails.
  • the camshaft sensor is also completely eliminated and the Synchronization basically by linking the Crankshaft signals and the results of the sample measurement respectively.
  • Figure 1 shows a rough overview about the arrangement of crankshafts or camshafts together with the associated sensors and the control unit, in which the for Regulation of the internal combustion engine required calculations expire.
  • Figure 2 shows various signal sequences over the crankshaft angle and
  • Figure 3 is a flow chart showing the essential steps of the method according to the invention shows.
  • Figure 1 are those for explaining the invention required components of an internal combustion engine shown as an example.
  • a sensor disk with 10 referred to, the rigid with the crankshaft 11 of the Internal combustion engine is connected and on its circumference Has a large number of similar angle marks 12.
  • this similar angle mark 12 is a reference mark 13 provided, for example, by two missing Angle marks is realized.
  • the number of the like Angle marks 12 are 58 (60-2), for example.
  • a second encoder disk 14 is connected to the camshaft 15
  • Internal combustion engine connected and points to its scope at least one angle mark 16 with which the phase position the internal combustion engine can be determined.
  • At 17 she is between the crankshaft 11 and the camshaft 15 symbolizes existing connection.
  • the crankshaft turns known to be twice as fast as the camshaft.
  • a working cycle of the internal combustion engine thus extends about a camshaft revolution or two Crankshaft revolutions.
  • crankshaft 11 or the camshaft 15 connected encoder disks 10, 14 exemplary and can be selected by other configurations be replaced.
  • the number of angle marks 16 of the encoder disk 14 or the number of reference marks 13 be adapted to the number of cylinders of the internal combustion engine.
  • the invention is in various types of internal combustion engines (e.g. diesel engines and petrol engines).
  • the two encoder disks 10, 14 are supported by sensors 18, 19, for example inductive sensors or Hall sensors scanned when the angle marks pass in the Transducers generated voltages are a control unit 20 supplied, these voltages either in the sensor or are converted into square wave signals in the control unit, the Rising edges e.g. the beginning of an angle mark and its falling edges correspond to the end of an angle mark. These signals or the chronological sequences of the individual Pulses are processed in control unit 20.
  • Encoder disc and transducer are usually used as encoders designated.
  • the control unit 20 receives via various inputs further, for the control or regulation of the Internal combustion engine required input quantities by corresponding sensors 21, 22, 23 are measured.
  • the sensor 21 can be a temperature sensor that measures the engine temperature.
  • the start signal becomes the control signal via input 24 fed that when closing the starter from the terminal Kl. 15 of the ignition lock 25 is supplied.
  • control unit 20 On the output side, the control unit 20, which at least a microprocessor 30 and associated storage means includes, signals for injection for no closer denotes corresponding components of the internal combustion engine, for example a diesel engine. This Signals are sent via the outputs 26 and 27 of the control unit 20 delivered.
  • the voltage supply for the control unit 20 takes place in the usual way with the aid of a battery 28 which via the switch 29 during operation of the Internal combustion engine with the control unit 20 in connection stands.
  • crankshaft pulley 10 To detect the angular positions of crankshaft 11 and Camshaft 15 are those shown in Figures 2a and 2b Waveforms voltages U1, U2) above the Crankshaft angle [° KW3] evaluated.
  • the reference mark 13 the crankshaft pulley 10 is recognized when the Microprocessor 30 of control unit 20 at least recognized has that the distance between successive Trailing edges R2 and R3 differ significantly from the distance between others Trailing edges R1 and R2 or R3 and R4 of the signal according to the figure 2a differs.
  • a synchronization pulse SI Voltage U3
  • crankshaft encoder and camshaft sensor is also a from Camshaft sensor (pickup 19) received generated pulse, which is shown in Figure 2b. Since the camshaft pro Working cycle rotates only once, is this impulse or Trailing edge R5 of this pulse is suitable, a unique one Perform synchronization. So it can be done on hand these impuls determine in which revolution the Crankshaft is straight.
  • step S1 using a predefinable criterion determines whether the camshaft sensor is defective or not. If it is determined in step S1 that a plausible signal to the control unit 20 is in Step S2 the usual synchronization using the Camshaft and crankshaft sensor signals carried out. If, on the other hand, it is recognized in step S1 that the Camshaft sensor is defective or that of sensor 19 delivered signal is not plausible, turns on in step S3 Emergency operation initiated. In step S4 it is checked whether the reference mark of the crankshaft pulley, that is to say according to FIG. 1 the gap 13 was recognized.
  • step S6 After the preliminary synchronization in step S5 is still waiting for an applicable, i.e. predefinable waiting time, which is shown in step S6.
  • this Applicable waiting time is with the preliminary Synchronization started with that shown in S7 Injection at top dead center or 360 ° KW compared to top dead center begins offset.
  • the control unit selects the cylinder based on the structural conditions are at top dead center should. Does the injection ignite the Fuel, this must lead to an increase in the speed or lead to speed acceleration by the control unit 20 can be determined by evaluating the speed. If this speed increase is recognized in step S8, the preliminary synchronization into a final one Synchronization to be converted.
  • step S9 the Synchronization takes place and the internal combustion engine is then regulated in the usual way.
  • step S8 there is no increase in speed recognized, was injected into the wrong cylinder.
  • the provisional synchronization is then changed by 360 ° KW (Step S12) and the upper one is tried again To make an injection of the dead center of a cylinder.
  • the Steps S7 and S8 are therefore repeated until the Synchronization was found and the speed increase is registered. By doing this ensured that synchronization still then is possible if an injection at the correct angle (in Hautre) does not lead to ignition. If a definable Number of injections after preliminary synchronizations is reached, every further injection is carried out in step S10 interrupted, in step S11 the attempt of redundant synchronization search with the crankshaft signal interrupted.
  • the method shown in Figure 3 can still be supplemented in the shifts of the injections angles other than 360 ° are carried out, the Shifts are to be chosen so that the selected cylinders near top dead center located.
  • the sequence of injections at different Number of cylinders with the redundant synchronization search is thus applicable and should be designed so that in every cylinder in the course of the synchronization search is injected.
  • Possible sequences with the four-cylinder are for example first cylinder, fourth cylinder, third Cylinder, second cylinder. This can be the case with the evaluation Control unit basically more stored Information, for example about the willingness to ignite take different cylinders into account.
  • the method according to the invention is in principle for self-igniting internal combustion engines and spark-ignited Internal combustion engines suitable, with spark-ignited Internal combustion engines in addition to the injections adapted ignitions must be triggered.

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)
EP98123719A 1998-03-10 1998-12-14 Procédé pour la synchronisation d'un moteur à combustion interne à plusieurs cylindres Revoked EP0942163B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19810214 1998-03-10
DE19810214A DE19810214B4 (de) 1998-03-10 1998-03-10 Verfahren zur Synchronisation einer mehrzylindrigen Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP0942163A2 true EP0942163A2 (fr) 1999-09-15
EP0942163A3 EP0942163A3 (fr) 2000-09-27
EP0942163B1 EP0942163B1 (fr) 2004-03-24

Family

ID=7860323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123719A Revoked EP0942163B1 (fr) 1998-03-10 1998-12-14 Procédé pour la synchronisation d'un moteur à combustion interne à plusieurs cylindres

Country Status (4)

Country Link
US (1) US6415655B2 (fr)
EP (1) EP0942163B1 (fr)
JP (1) JPH11294236A (fr)
DE (2) DE19810214B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002023031A1 (fr) * 2000-09-05 2002-03-21 Siemens Aktiengesellschaft Procede pour fixer le point d'injection dans le systeme d'injection d'un moteur a combustion interne
US7373928B2 (en) 2006-05-31 2008-05-20 Joseph Thomas Method for starting a direct injection engine
WO2008080817A1 (fr) * 2006-12-27 2008-07-10 Robert Bosch Gmbh Procédé de démarrage d'un moteur à combustion interne
GB2553561A (en) * 2016-09-08 2018-03-14 Delphi Int Operations Luxembourg Sarl Engine synchronisation means

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10015595A1 (de) 2000-03-29 2001-10-04 Bayerische Motoren Werke Ag Verfahren zur Erkennung des Verbrennungstaktes bei einem Einzylinder-Viertaktmotor
DE50307032D1 (de) * 2003-11-19 2007-05-24 Ford Global Tech Llc Verfahren zur Ermittlung der Stellung eines Zylinders einer Brennkraftmaschine
US7093579B2 (en) * 2004-02-26 2006-08-22 International Engine Intellectual Property Company, Llc Method and apparatus for adjusting fuel injection timing
KR100692732B1 (ko) 2004-12-06 2007-03-09 현대자동차주식회사 엔진회전수센서 고장시의 캠샤프트포지션센서 동기화방법
JP5055103B2 (ja) * 2007-12-14 2012-10-24 三菱重工業株式会社 高圧ポンプ用カムのトップ位置検出装置
DE102011083470A1 (de) * 2011-09-27 2013-03-28 Robert Bosch Gmbh Verfahren zum Bestimmen einer Motorposition
KR20140102506A (ko) * 2013-02-14 2014-08-22 콘티넨탈 오토모티브 시스템 주식회사 엔진 러프니스를 이용한 엔진 동기 설정 방법
KR101897559B1 (ko) * 2013-04-10 2018-09-12 콘티넨탈 오토모티브 시스템 주식회사 동기화 오류시 연료분사 제어방법
CN103244299A (zh) * 2013-04-28 2013-08-14 绵阳新晨动力机械有限公司 一种转速梯度增量阀值判缸方法
DE102014225528A1 (de) * 2014-12-11 2016-06-16 Robert Bosch Gmbh Verfahren zur Ansteuerung einer Hochdruckpumpe für die Kraftstoffeinspritzung in einen Verbrennungsmotor
KR101795306B1 (ko) * 2016-10-07 2017-11-07 현대자동차주식회사 차량 시동 제어 방법
CN117189397A (zh) * 2023-09-08 2023-12-08 联合汽车电子（重庆）有限公司 混动车凸轮轴信号故障后发动机管理系统同步方法及装置

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE4040828A1 (de) 1990-12-20 1992-06-25 Bosch Gmbh Robert Steuersystem fuer eine kraftstoffpumpe

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DE4122786A1 (de) * 1990-07-23 1992-01-30 Volkswagen Ag Verfahren zur identifikation des einem zuend- oder einspritzvorgang zugeordneten drehwinkels einer brennkraftmaschine
US5311771A (en) * 1992-03-30 1994-05-17 Caterpillar Inc. Method for determining the rotational position of a crankshaft of an internal combustion engine
FR2692623B1 (fr) * 1992-06-23 1995-07-07 Renault Procede de reperage cylindres pour le pilotage d'un systeme d'injection electronique d'un moteur a combustion interne.
DE4313331A1 (de) * 1993-04-23 1994-10-27 Bosch Gmbh Robert Verfahren zur Auslösung von zur Winkellage eines rotierenden Teils abhängigen Vorgängen
DE4418579B4 (de) * 1994-05-27 2004-12-02 Robert Bosch Gmbh Einrichtung zur Regelung einer Brennkraftmaschine
DE4418577A1 (de) * 1994-05-27 1995-11-30 Bosch Gmbh Robert Einrichtung zur Regelung einer Brennkraftmaschine
JP3379271B2 (ja) * 1995-03-28 2003-02-24 株式会社デンソー エンジンの気筒判別装置
FR2734322B1 (fr) * 1995-05-15 1997-07-25 Magneti Marelli France Procede de reconnaissance de la phase des cylindres d'un moteur multicylindres a combustion interne a cycle a quatre temps
DE69626122T2 (de) * 1996-12-03 2003-08-21 C.R.F. S.C.P.A., Orbassano Verfahren zur Synchronisierung einer Brennkraftmaschine ohne Nockenwellenstandfühler
DE19735722A1 (de) * 1997-08-18 1999-02-25 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zur Erkennung der Drehrichtung einer Brennkraftmaschine

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Publication number Priority date Publication date Assignee Title
DE4040828A1 (de) 1990-12-20 1992-06-25 Bosch Gmbh Robert Steuersystem fuer eine kraftstoffpumpe

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002023031A1 (fr) * 2000-09-05 2002-03-21 Siemens Aktiengesellschaft Procede pour fixer le point d'injection dans le systeme d'injection d'un moteur a combustion interne
US6868833B2 (en) 2000-09-05 2005-03-22 Siemens Aktiengesellschaft Method for defining the injection time in an injection system for an internal combustion engine
US7373928B2 (en) 2006-05-31 2008-05-20 Joseph Thomas Method for starting a direct injection engine
WO2008080817A1 (fr) * 2006-12-27 2008-07-10 Robert Bosch Gmbh Procédé de démarrage d'un moteur à combustion interne
US8660776B2 (en) 2006-12-27 2014-02-25 Robert Bosch Gmbh Method for starting an internal combustion engine
GB2553561A (en) * 2016-09-08 2018-03-14 Delphi Int Operations Luxembourg Sarl Engine synchronisation means
GB2553561B (en) * 2016-09-08 2020-01-08 Delphi Tech Ip Ltd Engine synchronisation means

Also Published As

Publication number Publication date
JPH11294236A (ja) 1999-10-26
EP0942163B1 (fr) 2004-03-24
EP0942163A3 (fr) 2000-09-27
DE59811055D1 (de) 2004-04-29
US6415655B2 (en) 2002-07-09
DE19810214B4 (de) 2009-09-17
US20020005063A1 (en) 2002-01-17
DE19810214A1 (de) 1999-09-16

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