EP1280992B1 - Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt - Google Patents

Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt Download PDF

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Publication number
EP1280992B1
EP1280992B1 EP01915089A EP01915089A EP1280992B1 EP 1280992 B1 EP1280992 B1 EP 1280992B1 EP 01915089 A EP01915089 A EP 01915089A EP 01915089 A EP01915089 A EP 01915089A EP 1280992 B1 EP1280992 B1 EP 1280992B1
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EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
battery voltage
profile
during
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.)
Expired - Lifetime
Application number
EP01915089A
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German (de)
English (en)
French (fr)
Other versions
EP1280992A1 (de
Inventor
Michael Baeuerle
Klaus Ries-Mueller
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1280992A1 publication Critical patent/EP1280992A1/de
Application granted granted Critical
Publication of EP1280992B1 publication Critical patent/EP1280992B1/de
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
    • 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
    • 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
    • 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
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
    • F02N2200/063—Battery voltage

Definitions

  • the invention relates to a method for emergency starting an internal combustion engine with failed tachometer or speed sensors to allow a limited vehicle operation. If the speed sensor has failed, it is not possible to assign a camshaft signal from a phase encoder to the crankshaft position when starting the vehicle.
  • DE 40 26 232 relates to a device for monitoring a speed sensor.
  • the device includes a starter with a speed sensor that provides an output signal in response to the speed. It is a device for measuring the vehicle electrical system voltage and a control device provided in which the output signal of the speed sensor with the vehicle electrical system voltage in Reference is made and a malfunction of the speed sensor is recognizable.
  • For fault detection the course of the vehicle electrical system voltage during the starting process of the internal combustion engine is evaluated. An error detection is only triggered when the typical for the starting process course of the vehicle electrical system voltage is detected and at the same time no output signal of the speed sensor is detected.
  • a speed sensor which continuously scans a sender wheel on the crankshaft of an internal combustion engine, fails, vehicle emergency running could also take place on the basis of the evaluation of the signals of a phase transmitter. From the phase sensor signal a speed signal is simulated, with a limited vehicle operation (limp home) is possible. If, however, the internal combustion engine is operated with camshaft adjustment, the position or the position of the camshaft and thus also the position of the crankshaft in the start is unknown, since the phase encoder is mounted on the undefined positioned camshaft. It can adjust fluctuations in the angular range up to 40 ° crankshaft angle.
  • crankshaft position can be determined in case of failed tachometer by evaluation of the battery voltage at starter operation.
  • the starter Due to the operation of the starter, which is powered by a vehicle battery, occurs in the individual cylinders of the internal combustion engine to be started, be it a 4-cylinder or a 6-cylinder internal combustion engine, to cyclically repeated compression and decompression phases.
  • the end points of the compression or decompression phases of the individual cylinders of the internal combustion engine is essentially determined by the position of bottom dead center (UT) and top dead center (TDC).
  • the battery power of the energy store, which feeds the starters assumes a course from which the positions of the respective OTs and UTs can be determined, in accordance with the load of the starter during starter operation, resulting from the compression or decompression phases of the individual cylinders.
  • the positions of OT and UT determined from the maxima or minima of the battery voltage curve can be stored by a corresponding correlation table or a characteristic diagram, the speed / load behavior, and stored for future use.
  • Fig. 1 shows the course of the battery voltage and the engine speed during cranking and after the engine has started.
  • the curve 3 of the voltage of a motor vehicle battery during the starting phase 1 and after the start of the internal combustion engine shows.
  • the starting phase 1 while the starter an internal combustion engine spins this over a few complete revolutions of the crankshafts, takes place on the first voltage level 9 provided by the voltage source of the motor vehicle battery.
  • the first voltage level 9 can be significantly below that voltage level What is generated and maintained after the successful start of the internal combustion engine by the generator in the internal combustion engine.
  • the second voltage level 10 to be supplied by the generator of the internal combustion engine which should substantially correspond to the vehicle electrical system voltage of 12 volts, emerges.
  • the second voltage level is independent of the state of charge, external temperature or internal resistance, since it is fed by the generator of the internal combustion engine and maintained by this.
  • the battery voltage curve 3 and the course of the speed of the internal combustion engine is shown. It can be seen from the graphs 3 of the voltage during the starting phase 1 that the voltage 3 circulates in a sine wave form between a minimum of 4.1 - 4.n and a maximum of 5.1 - 5.n. A respective maximum 5.1, 5.2, 5.3 ......... 5.n coincides with a bottom dead center UT 13, since there the load for the starter is the lowest.
  • the illustrated maxima 5.1, 5.2, 5.3... 5.n characterize the respective top dead centers OTs 12 of the 4 or more respective cylinders of an internal combustion engine to be started. Shortly before reaching the respective top dead center 12 of a cylinder of the internal combustion engine acting on the starter highest load occurs because all valves are closed on the combustion chamber in the combustion chamber, the increased pressure prevails, the compression phase is completed and now the injection of fuel and therefore im Trap of a gasoline engine, the ignition of the fuel / Beergeschmisches can take place. Injection and ignition represent a further load on the battery voltage, but here in the present case of minor importance. Between the individual maxima 5.1, 5.2, 5.3 ......... 5.n and the minima 4.1, 4.2 ......... 4.n, curve 3 shows the battery voltage of compression and decompression on the respective cylinder corresponding rising edge 7, and a falling edge 8, from the signals for the positioning of the crankshaft can already be obtained.
  • the time axis 2 extending over the starting phase 1 and the first running phase of the internal combustion engine, covers a period of approximately 4.5 s analogously to the time axis 2 according to FIG. 1.
  • the pulses at the individual cylinders 1-6 take place in a first pulse duration 16, while the pulses 17 are dimensioned considerably shorter in the case of a starting internal combustion engine according to FIG.

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP01915089A 2000-05-04 2001-03-07 Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt Expired - Lifetime EP1280992B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10021645A DE10021645A1 (de) 2000-05-04 2000-05-04 Verfahren zum Notstart einer Verbrennungskraftmaschine bei Drehzahlgeberdefekt
DE10021645 2000-05-04
PCT/DE2001/000856 WO2001083981A1 (de) 2000-05-04 2001-03-07 Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt

Publications (2)

Publication Number Publication Date
EP1280992A1 EP1280992A1 (de) 2003-02-05
EP1280992B1 true EP1280992B1 (de) 2007-05-02

Family

ID=7640712

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01915089A Expired - Lifetime EP1280992B1 (de) 2000-05-04 2001-03-07 Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt

Country Status (8)

Country Link
US (1) US6722190B2 (ru)
EP (1) EP1280992B1 (ru)
JP (1) JP2003532023A (ru)
KR (1) KR20020031154A (ru)
CN (1) CN1202355C (ru)
DE (2) DE10021645A1 (ru)
RU (1) RU2267644C2 (ru)
WO (1) WO2001083981A1 (ru)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006039112A1 (de) * 2006-08-21 2008-02-28 Robert Bosch Gmbh Verfahren zum Ermitteln der Drehzahl eines Starters
KR100764507B1 (ko) * 2006-11-24 2007-10-09 현대자동차주식회사 차량의 시동 모터 제어장치 및 방법
DE102009029207A1 (de) * 2009-09-04 2011-03-10 Robert Bosch Gmbh Verfahren und Vorrichtung zum Bestimmen einer Starterdrehzahl eines Starters eines Startersystems
FR2964157B1 (fr) * 2010-09-01 2013-04-12 Peugeot Citroen Automobiles Sa Dispositif et procede de protection d'un demarreur a grande inertie de rotation
FR2995939B1 (fr) * 2012-09-21 2018-11-16 Continental Automotive France Procede d'estimation du regime d'un moteur dans une position predeterminee
DE102013014351A1 (de) * 2013-08-28 2015-03-05 Liebherr-Werk Nenzing Gmbh Verfahren zur Ermittlung des Gesamtschleppmoments des Antriebsstrangs eines Verbrennungsmotors und Vorrichtung hierfür
DE102014206182A1 (de) * 2014-04-01 2015-10-01 Robert Bosch Gmbh Verfahren zur Bestimmung einer Kurbelwellenposition einer Brennkraftmaschine
JP6933919B2 (ja) * 2017-06-06 2021-09-08 日立Astemo株式会社 電子制御装置
KR102323407B1 (ko) * 2017-09-08 2021-11-05 현대자동차주식회사 캠 샤프트 위치 센서 고장 시의 차량 시동 제어 방법
DE102018200526A1 (de) * 2018-01-15 2019-07-18 Robert Bosch Gmbh Verfahren zum Erkennen einer Startart einer Verbrennungskraftmaschine
JP2019162950A (ja) * 2018-03-20 2019-09-26 株式会社デンソー エンジン制御システム
US11727306B2 (en) 2020-05-20 2023-08-15 Bank Of America Corporation Distributed artificial intelligence model with deception nodes
US11436534B2 (en) 2020-05-20 2022-09-06 Bank Of America Corporation Distributed artificial intelligence model

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310920A1 (de) * 1983-03-25 1984-09-27 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur bestimmung des einspritzzeitpunktes bei brennkraftmaschinen waehrend des startvorgangs
JPH0733983B2 (ja) * 1986-09-22 1995-04-12 日産自動車株式会社 車両用故障診断装置
US4955336A (en) * 1988-04-29 1990-09-11 Chrysler Corporation Circuit for determining the crank position of an ignition switch by sensing the voltage across the starter relay control and holding an electronic device in a reset condition in response thereto
DE4026232C2 (de) * 1990-08-18 2003-09-04 Bosch Gmbh Robert Einrichtung zur Überwachung eines Drehzahlgebers
JP3716947B2 (ja) * 1996-04-12 2005-11-16 本田技研工業株式会社 内燃機関の気筒判別装置
JP3653190B2 (ja) * 1999-01-22 2005-05-25 三菱電機株式会社 内燃機関の電子制御装置
US6438487B1 (en) * 2001-02-21 2002-08-20 Ford Global Technologies, Inc. Method and system for determining the operational state of a vehicle starter motor

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP1280992A1 (de) 2003-02-05
DE50112445D1 (de) 2007-06-14
JP2003532023A (ja) 2003-10-28
DE10021645A1 (de) 2001-11-29
RU2267644C2 (ru) 2006-01-10
KR20020031154A (ko) 2002-04-26
CN1366582A (zh) 2002-08-28
US6722190B2 (en) 2004-04-20
WO2001083981A1 (de) 2001-11-08
US20030154774A1 (en) 2003-08-21
CN1202355C (zh) 2005-05-18

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