EP1045967B1 - Dispositif de reconnaissance de phase - Google Patents

Dispositif de reconnaissance de phase Download PDF

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Publication number
EP1045967B1
EP1045967B1 EP99948671A EP99948671A EP1045967B1 EP 1045967 B1 EP1045967 B1 EP 1045967B1 EP 99948671 A EP99948671 A EP 99948671A EP 99948671 A EP99948671 A EP 99948671A EP 1045967 B1 EP1045967 B1 EP 1045967B1
Authority
EP
European Patent Office
Prior art keywords
phase detection
segment
detection device
detected
crankshaft
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
EP99948671A
Other languages
German (de)
English (en)
Other versions
EP1045967A1 (fr
Inventor
Günter Muth
Reiner Kopp
Anwar Abidin
Ingolf Rupp
Andreas Pfender
Wolfgang BÖRKEL
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 EP1045967A1 publication Critical patent/EP1045967A1/fr
Application granted granted Critical
Publication of EP1045967B1 publication Critical patent/EP1045967B1/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/067—Electromagnetic pick-up devices, e.g. providing induced current in a coil
    • F02P7/0675—Electromagnetic pick-up devices, e.g. providing induced current in a coil with variable reluctance, e.g. depending on the shape of a tooth
    • 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
    • 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

Definitions

  • the invention relates to a device Phase detection in an internal combustion engine after Genus of the main claim.
  • a multi-cylinder internal combustion engine with a crank and at least one camshaft is in the control unit Depends on the recognized position of the crank and the Camshaft calculates when for which cylinder fuel to be injected and when an ignition is triggered shall be. It is common for the angular position of the Determine crankshaft with the help of a sensor that the Crankshaft or a disk connected to it scans a characteristic surface.
  • a system at which the phase position is determined without a phase sensor is from DE-OS 44 18 577 known.
  • the start of the injection is obtained from the Angular position of the crankshaft for the individual cylinders, also pre-storage angle called, specifically changed so that from one work cycle to the next at wrong Phase position a speed change is initiated, which is evaluated with the help of the Crankshaft sensor delivered signals is detected.
  • This speed change is in Control unit recognized and evaluated and for phase detection and then on used for phase synchronization.
  • a method for phase detection is already known from EP 640 762 A1 the presence or absence of a change in speed when fading out Injection processes is evaluated. This procedure only takes place with a static one Operation of the internal combustion engine.
  • the inventive device for phase detection with the features of Claim 1 has the advantage that a particularly fast synchronization without Camshaft sensor can be done.
  • FIG. 1 In the control system for an internal combustion engine shown in FIG denotes an encoder disk, which is rigid with the crankshaft 11 of the internal combustion engine is connected and on its circumference a multiplicity of similar angle marks 12 having.
  • a reference mark 13 In addition to these similar angle marks 12 there is a reference mark 13 available, which is realized for example by two missing angle marks.
  • the total number of angle marks is, for example, 60-2.
  • the sensor disk 10 is scanned by a sensor 14 which Output signals to the control unit 15 delivers the after signal processing are available as square-wave signals that reflect the surface of the encoder disk 10.
  • Phase sensor that the camshaft 16 or one with the Camshaft 16 connected disc with a mark is not provided here.
  • the information with respect to the phase position, which from the output signal of a Such a sensor is usually obtained here Get help using the procedure described below.
  • the control unit 15 receives via various inputs further, for the control or regulation of the Internal combustion engine required input quantities.
  • the associated sensors are designated 17. About one further input, an "ignition on” signal is fed, the one connecting the ignition switch 18 from the terminal Terminal 15 of the ignition lock is supplied.
  • the at least one central processor unit 18 and one Memory 19 includes signals for the ignition and Injection determined, these signals are on the Outputs 20 and 21 issued.
  • the power supply of the Control unit 15 is carried out in the usual way with the aid of a Battery 22, which is switched on via a switch 23.
  • the Position of the crankshaft 11 during operation of the Internal combustion engine can be detected at any time. Since the Assignment between crankshaft and camshaft as well is known how the assignment between the position of the Camshaft and the position of the individual cylinders, can according to synchronization takes place when the reference mark is recognized, however, only if one for the phase position characteristic signal is present.
  • the phase signal is required because the one supplied by the crankshaft sensor Reference mark signal is ambiguous because the crankshaft within one working cycle of the internal combustion engine two Turns while the camshaft turns only once.
  • phase angle in a system without a phase sensor can be recognized and a sequential injection the following functions run in the control unit:
  • the adjusting signals of the crankshaft sensor evaluated. If the reference mark is recognized for the first time, the sequential injection at the first reference mark started. Since it is unclear in which revolution the Crankshaft is the lead angle for the Injection either correct or wrong by 360 ° KW. to Phase recognition will be injections after the start hidden or suppressed for a cylinder. This Injection is suppressed approximately three times Working games in the falling branch of the start overshoot. With the branch of the take-off overshoot falling off Speed drop meant that in Figure 2 or Figure 4 with area 1 is marked. Can't phase the blanking will be clearly determined at idle repeated after a short wait.
  • segment times are monitored.
  • the Segment times are defined so that they are approximately lie symmetrically around the ignition TDC of the respective cylinder and the segment location must be specified for each engine become.
  • the segment length is 720 ° KW / number of cylinders and includes a certain number of angle marks or
  • a dynamic value can be calculated which must exceed a predeterminable absolute value so that a misfire is detected on the corresponding cylinder.
  • the difference between the last two dynamic values can also be calculated.
  • the number of suppressed injections -1 on a cylinder for example, must have been recognized.
  • a phase search can be successfully completed if the resulting drop in speed was correctly recognized twice with three fades out. In a further condition, it may be required that no misfires have been detected on another cylinder. If the phase search reveals that the synchronization by 360 ° KW is wrong, a re-synchronization is carried out.
  • FIGS. 2 and 3 are: open the inlet valve, Injection pulse, ignition, fading out, re-synchronization and Speed versus time for an example where the Injection by 360 ° KW was wrong and a re-synchronization was required.
  • Figures 4 and 5 is the same thing for an example with correct Synchronization applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Measuring Phase Differences (AREA)

Claims (6)

  1. Dispositif de reconnaissance de phase pour un moteur à combustion interne, avec un vilebrequin, dont on détermine en continu la position angulaire dans un dispositif d'évaluation par évaluation d'un signal fourni par un détecteur de vilebrequin et on déclenche le dispositif d'évaluation en fonction de la position angulaire des impulsions d'injection et d'allumage et on influence l'injection après le démarrage du moteur à combustion interne pour la reconnaissance de phase et on évalue les variations de régime qui s'établissent de cette façon, dans lequel on diminue l'injection pour des cylindres prédéterminés, de telle façon qu'aucun carburant ne soit injecté, et on surveille le signal de sortie du détecteur de vilebrequin en ce qui concerne la réaction à attendre,
    caractérisé en ce que
    le dispositif de reconnaissance de phase comporte des moyens qui provoquent la diminution de l'injection après un démarrage reconnu dans un domaine dans lequel le régime diminue, ce domaine correspondant à la branche descendante du dépassement de démarrage.
  2. Dispositif de reconnaissance de phase selon la revendication 1,
    caractérisé en ce que
    l'on détermine des temps de segment à partir du signal de sortie du détecteur de vilebrequin, dans lequel un segment s'étend sur une plage angulaire prédéterminée et un temps de segment est fixé de telle façon que le vilebrequin tourne d'un segment pendant ce temps, et en ce qu'un allumage manqué est reconnu par comparaison de temps de segment sélectionnés et est utilisé pour la reconnaissance de phase.
  3. Dispositif de reconnaissance de phase selon la revendication 2,
    caractérisé en ce que
    l'on forme la différence entre des temps de segment prédéterminés, en comparant la différence déterminée avec une valeur minimale prévisible ou adaptable et on reconnaít un raté de combustion lorsque la différence déterminée dépasse la valeur minimale.
  4. Dispositif de reconnaissance de phase selon la revendication 3,
    caractérisé en ce qu'
    un raté reconnu est associé à la situation de phase correspondante à l'aide d'un compteur de cylindre et des ratés reconnus sont additionnés correctement ou de façon erronée avec chaque fois un compteur pour la situation de phase.
  5. Dispositif de reconnaissance de phase selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    en cas de reconnaissance de synchronisation erronée, l'on opère une resynchronisation qui est décalée de 360° KW.
  6. Dispositif de reconnaissance de phase selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'on détermine des régimes à partir du signal de sortie du détecteur de vilebrequin, dans lequel la détermination du régime est chaque fois effectuée à partir d'un temps de segment.
EP99948671A 1998-09-30 1999-07-23 Dispositif de reconnaissance de phase Expired - Lifetime EP1045967B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19844910 1998-09-30
DE19844910A DE19844910A1 (de) 1998-09-30 1998-09-30 Einrichtung zur Phasenerkennung
PCT/DE1999/002267 WO2000019077A1 (fr) 1998-09-30 1999-07-23 Dispositif de reconnaissance de phase

Publications (2)

Publication Number Publication Date
EP1045967A1 EP1045967A1 (fr) 2000-10-25
EP1045967B1 true EP1045967B1 (fr) 2004-01-14

Family

ID=7882845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99948671A Expired - Lifetime EP1045967B1 (fr) 1998-09-30 1999-07-23 Dispositif de reconnaissance de phase

Country Status (7)

Country Link
EP (1) EP1045967B1 (fr)
JP (1) JP2002525494A (fr)
KR (1) KR100624352B1 (fr)
BR (1) BR9909572A (fr)
DE (2) DE19844910A1 (fr)
RU (1) RU2230210C2 (fr)
WO (1) WO2000019077A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301115B (zh) * 2009-01-28 2014-06-25 罗伯特·博世有限公司 用于运行内燃机的装置和方法

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DE10015595A1 (de) 2000-03-29 2001-10-04 Bayerische Motoren Werke Ag Verfahren zur Erkennung des Verbrennungstaktes bei einem Einzylinder-Viertaktmotor
SE518102C2 (sv) * 2000-04-14 2002-08-27 Scania Cv Ab Sätt och anordning för att bestämma var i sina arbetscykler en förbränningsmotors cylindrar befinner sig
DE10120800B4 (de) * 2001-04-27 2005-10-20 Bosch Gmbh Robert Verfahren zur Phasendetektion mittels Einspritzausblendung an Verbrennungskraftmaschinen
DE10122247B4 (de) * 2001-05-08 2004-06-24 Robert Bosch Gmbh Verfahren zur Phasenerkennung bei einer Brennkraftmaschine
LU90801B1 (en) * 2001-07-11 2003-07-10 Delphi Tech Inc Phase recognition system
DE10208942A1 (de) * 2002-02-28 2003-09-11 Siemens Ag Verfahren zur Bestimmung des Einspritzzeitpunktes sowie System zur Durchführung desselben
FR2853935B1 (fr) * 2003-04-17 2007-03-02 Siemens Vdo Automotive Procede de synchronisation de l'injection avec la phase moteur dans un moteur a commande electronique des injecteurs
US6889663B2 (en) * 2003-07-08 2005-05-10 General Electric Company Cam sensor elimination in compression-ignition engines
US7069140B2 (en) * 2004-06-30 2006-06-27 General Electric Company Engine operation without cam sensor
US7296555B2 (en) * 2005-08-25 2007-11-20 General Electric Company System and method for operating a turbo-charged engine
RU2345235C2 (ru) * 2007-01-11 2009-01-27 Аслан Юсуфович Хуако Способ регулирования мощности двигателя внутреннего сгорания
FR2916807B1 (fr) * 2007-06-04 2009-07-17 Siemens Vdo Automotive Sas Determination et correction du phasage de la position angulaire d'un moteur quatre temps a combustion interne a injection indirecte et a coupure d'injection sequentielle / reinjection sequentielle controlee dans le temps
FR2925593B1 (fr) * 2007-12-20 2014-05-16 Renault Sas Procede pour produire un signal de synchronisation du cycle de fonctionnement d'un moteur a combustion interne
WO2015024747A1 (fr) * 2013-08-19 2015-02-26 Robert Bosch Gmbh Procédé de commande d'un système d'injection de carburant et dispositif correspondant
DE102013223626A1 (de) * 2013-11-20 2015-05-21 Robert Bosch Gmbh Verfahren zum Bestimmen eines aktuellen Zylindertakts eines Hubkolbenmotors
US9297346B2 (en) * 2014-03-17 2016-03-29 Ford Global Technologies, Llc Camshaft position determination
TWI624586B (zh) * 2014-09-30 2018-05-21 光陽工業股份有限公司 雙缸引擎進氣偵測裝置及偵測方法
FR3035157B1 (fr) * 2015-04-16 2017-04-21 Continental Automotive France Procede et dispositif de detection de rotation inverse d'un moteur a combustion interne
KR101795306B1 (ko) 2016-10-07 2017-11-07 현대자동차주식회사 차량 시동 제어 방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102301115B (zh) * 2009-01-28 2014-06-25 罗伯特·博世有限公司 用于运行内燃机的装置和方法

Also Published As

Publication number Publication date
KR100624352B1 (ko) 2006-09-18
DE59908304D1 (de) 2004-02-19
RU2230210C2 (ru) 2004-06-10
WO2000019077A1 (fr) 2000-04-06
DE19844910A1 (de) 2000-04-06
EP1045967A1 (fr) 2000-10-25
JP2002525494A (ja) 2002-08-13
BR9909572A (pt) 2000-12-19
KR20010032397A (ko) 2001-04-16

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