EP1280992A1 - Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefekt - Google Patents
Verfahren zum notstart einer verbrennungskraftmaschine bei drehzahlgeberdefektInfo
- Publication number
- EP1280992A1 EP1280992A1 EP01915089A EP01915089A EP1280992A1 EP 1280992 A1 EP1280992 A1 EP 1280992A1 EP 01915089 A EP01915089 A EP 01915089A EP 01915089 A EP01915089 A EP 01915089A EP 1280992 A1 EP1280992 A1 EP 1280992A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- battery voltage
- starter
- dead center
- 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
Links
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 ner driving for ⁇ otstart a ner internal combustion engine with 'failed speed sensor. or speed sensors to enable restricted vehicle operation. If the speed sensor has failed, "it is not possible to assign a camshaft signal from a phase sensor to the crankshaft position when the vehicle starts.
- DE 40 26 232 relates to a device for monitoring a speed sensor.
- the device contains a starter with a speed sensor, which provides an output signal depending on the speed.
- the course of the vehicle electrical system voltage is evaluated during the starting process of the nerbrennkraftkraftmaschine for fault detection. Error detection is only triggered when the typical for the starting process during the 'vehicle electrical system voltage is detected, while no output signal of the speed sensor is detected.
- a vehicle emergency running could also take place on the basis of the evaluation of the signals from a phase sensor.
- a speed signal is simulated from the phase encoder signal, with which restricted vehicle operation (limp home) is possible. If, on the other hand, the internal combustion engine is operated with camshaft adjustment, the position or position of the camshaft and thus also the position of the crankshaft at start are unknown, since the phase generator is attached to the undefined camshaft. Fluctuations in the angular range up to 40 ° crankshaft angle can occur.
- the crankshaft position can be determined if the speed sensor fails by evaluating the barterial voltage during starter operation.
- the individual cylinders of the internal combustion engine to be started be it a 4- or a 6-cylinder internal combustion engine, undergo cyclically repeated compression and decompression phases.
- the end points of the compression or decompression phases of the individual cylinders of the internal combustion engine are essentially determined by the position of the bottom dead center (UT) and top dead center (OT).
- the battery current of the energy store which feeds the starters takes on a course corresponding to the load of the starter during starter operation, resulting from the compression or decompression phases of the individual cylinders, from which.
- the locations of the respective OT's and UT's can be determined. If the starter has mastered a number of crankshaft revolutions, it is possible to reliably assign the individual OTs or UTs to the determined maxima or minima of the battery voltage curve. If the assignment of maxima and minima to the respective OT's or UT's is ensured, the injection and ignition can take place via the engine control on the corresponding cylinders of the internal combustion engine in accordance with the injection and ignition sequence defined in the engine control electronics.
- the positions of OT or UT determined from the maxima or minima of the battery voltage curve can be saved by means of a corresponding correlation table or a map, reflecting the speed / load behavior, and stored for future purposes.
- Fig. 2 shows the pulse signals of a 6-cylinder internal combustion engine during the start phase and after the start of the internal combustion engine.
- Fig. 1 shows the course of the battery voltage and the engine speed during starting and after the engine has started.
- the starting phase 1 shows the course 3 of the voltage of a motor vehicle battery during the starting phase 1 and after the start of the internal combustion engine.
- the starting phase 1 while the starter turns an internal combustion engine over a few complete revolutions of the crankshafts, takes place at the first voltage level 9 provided by the vehicle battery voltage source.
- the first voltage level 9 is considerably below that voltage level, which is generated and maintained by the generator in the internal combustion engine after the internal combustion engine has started.
- the second voltage level 10 to be supplied by the generator of the internal combustion engine which should essentially correspond to the vehicle electrical system voltage of 12 volts, is evident.
- the second voltage level is independent of the state of charge, outside temperature or internal resistance, since it is fed by the generator of the internal combustion engine and is maintained by it.
- the battery voltage curve 3 and the curve of the speed of the internal combustion engine are shown over the time axis 2, extending over a period of approximately 4.5 s according to the exemplary embodiment according to FIG. 1. It can be seen from graph 3 of the voltage during the starting phase 1 that the voltage 3 circulates in a sine wave between a minimum of 4.1-4.n and a maximum of 5.1-5.n.
- the shown maxima 5.1, 5.2, 5.3 5.n characterize the respective top dead centers OT's 12 of the 4 or more respective cylinders of an internal combustion engine to be started. Shortly before the respective top dead center 12 of a cylinder of the internal combustion engine is reached, the highest load acting on the starter occurs, since all valves on the combustion chamber are closed, the increased pressure prevails in the combustion chamber, the compression phase is complete and now the injection of fuel and accordingly in In the case of a gasoline engine, the ignition of the fuel / air mixture can take place. Injection and ignition represent a further load on the battery voltage, which is of minor importance here, however, in the present case. Between the individual maxima 5.1,
- the battery voltage of the compression and decompression on the respective cylinder has a rising edge 7 or a falling edge 8, from which signals for the positioning of the crankshaft can already be obtained.
- the starter In order to enable the crimping machine, the starter must be operated for a sufficiently long time during the starting phase. The assignment must have been made during the first combustion because there is a fault in the area From around 40 ° crankshaft angle the internal combustion engine or intake manifold may turn, but these must be avoided at all costs.
- the pulse signals of a 6-cylinder internal combustion engine emerge from the illustration according to FIG. 2, both during the starting phase 1 and during operation, for example when idling 10.
- the time axis 2 which extends over the start 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 on the individual cylinders 1-6 take place in a first pulse duration 16, while the pulses 17 are dimensioned much shorter in the case of a started internal combustion engine according to FIG. 2.
- top dead center 12, bottom dead center 13 with the minima 4.1 4.n or from the curve 3 of the battery voltage
Abstract
Description
Claims
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 true EP1280992A1 (de) | 2003-02-05 |
EP1280992B1 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 (de) |
EP (1) | EP1280992B1 (de) |
JP (1) | JP2003532023A (de) |
KR (1) | KR20020031154A (de) |
CN (1) | CN1202355C (de) |
DE (2) | DE10021645A1 (de) |
RU (1) | RU2267644C2 (de) |
WO (1) | WO2001083981A1 (de) |
Families Citing this family (13)
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 |
US11436534B2 (en) | 2020-05-20 | 2022-09-06 | Bank Of America Corporation | Distributed artificial intelligence model |
US11727306B2 (en) | 2020-05-20 | 2023-08-15 | Bank Of America Corporation | Distributed artificial intelligence model with deception nodes |
Family Cites Families (7)
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 |
-
2000
- 2000-05-04 DE DE10021645A patent/DE10021645A1/de not_active Ceased
-
2001
- 2001-03-07 JP JP2001580571A patent/JP2003532023A/ja active Pending
- 2001-03-07 DE DE50112445T patent/DE50112445D1/de not_active Expired - Lifetime
- 2001-03-07 KR KR1020027000046A patent/KR20020031154A/ko not_active Application Discontinuation
- 2001-03-07 US US10/030,643 patent/US6722190B2/en not_active Expired - Fee Related
- 2001-03-07 CN CNB018010733A patent/CN1202355C/zh not_active Expired - Fee Related
- 2001-03-07 EP EP01915089A patent/EP1280992B1/de not_active Expired - Lifetime
- 2001-03-07 WO PCT/DE2001/000856 patent/WO2001083981A1/de active IP Right Grant
- 2001-03-07 RU RU2002102235/06A patent/RU2267644C2/ru not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0183981A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2001083981A1 (de) | 2001-11-08 |
CN1202355C (zh) | 2005-05-18 |
EP1280992B1 (de) | 2007-05-02 |
US20030154774A1 (en) | 2003-08-21 |
RU2267644C2 (ru) | 2006-01-10 |
DE50112445D1 (de) | 2007-06-14 |
US6722190B2 (en) | 2004-04-20 |
DE10021645A1 (de) | 2001-11-29 |
JP2003532023A (ja) | 2003-10-28 |
KR20020031154A (ko) | 2002-04-26 |
CN1366582A (zh) | 2002-08-28 |
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