EP1173667B1 - Verfahren zur zündsynchronisation - Google Patents

Verfahren zur zündsynchronisation Download PDF

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Publication number
EP1173667B1
EP1173667B1 EP00918878A EP00918878A EP1173667B1 EP 1173667 B1 EP1173667 B1 EP 1173667B1 EP 00918878 A EP00918878 A EP 00918878A EP 00918878 A EP00918878 A EP 00918878A EP 1173667 B1 EP1173667 B1 EP 1173667B1
Authority
EP
European Patent Office
Prior art keywords
ignition
upper dead
shift
time
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
EP00918878A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1173667A1 (de
Inventor
Wolfgang Nehse
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1173667A1 publication Critical patent/EP1173667A1/de
Application granted granted Critical
Publication of EP1173667B1 publication Critical patent/EP1173667B1/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
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine
    • F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1015—Engines misfires

Definitions

  • the invention relates to a method for ignition synchronization in an internal combustion engine with a crankshaft encoder.
  • the work cycle includes the processes of intake, Compressing, working and ejecting, with each cylinder opening twice moved down and in two top dead centers (OT) and two bottom dead center (UT) comes to a standstill. So the crankshaft is leading in one work cycle two turns, the camshaft one turn. Ignition of the gas-fuel mixture placed in a cylinder takes place at a top dead center where the mixture is just is condensed.
  • ZOT Zünd-OT
  • DE 41 22 786 A1 describes a method for identifying one Ignition or injection process associated rotation angle of an internal combustion engine known.
  • the machine is started Initially, an ignition process is initiated each time the angle of rotation is reached. After starting, the rotation angle is only reached every second such an ignition process is initiated, from the comparison of an actual Smooth-running response to a target smooth-running reaction to the crank angle closed becomes.
  • the disadvantage here is that the unburned fuel / air mixture can get into a downstream catalyst and burn there.
  • the object of the invention is to provide a method for ignition synchronization, in the case of which the ignition TDC is functionally reliable without a camshaft sensor Way can be determined.
  • a reduction in the ignition angle is preferred as the ignition angle shift selected.
  • the ignition in other cylinders preferably tested according to their firing order.
  • the present method offers a simple and inexpensive method Solution for effective ignition synchronization. in particular can the costs for a camshaft encoder and associated peripherals be saved without a single ignition or Operation in fully sequential mode must be dispensed with.
  • the well-known working cycle of a four-stroke gasoline engine can be omitted simply from the control diagram in Fig. 2, in which the opening and Closing times of the intake and exhaust valves as angles in degrees of crankshaft revolutions are included.
  • the intake stroke is limited by the Events “intake valve opens” (Eö) and “intake valve closes” (Es).
  • the Compression cycle is limited by the events “intake valve closes” (Es) and top dead center (OT).
  • the work cycle is limited by the just mentioned OT and the event “exhaust valve opens” (Aö).
  • the exhaust stroke finally is limited by the events “exhaust valve opens” and “exhaust valve closes” (As).
  • crankshaft encoder determine A partial view of a known crankshaft sensor is shown in Fig. 3. On the crankshaft (not shown) there is an encoder wheel 10 arranged, which has flags 12 and a reference mark 14. On sensor opposite the sensor wheel, consisting of a soft iron core 20, a winding 22 and a permanent magnet 24 is in a housing 26 added, which is attached to a motor housing 30.
  • the induction generator described above When the crankshaft rotates, the induction generator described above generates a signal which has a voltage profile shown in FIG. 4 over time t. With each crankshaft revolution, the reference mark 14 run over once, so that the speed and the crankshaft position can be grasped precisely during one revolution.
  • crankshaft encoder With the crankshaft encoder described here, however, it cannot be determined whether you are in the intake or in the work cycle. To this A camshaft sensor was previously used for this purpose.
  • crankshaft angles 0 °, 720 ° and 1440 ° are normally ignited with the ignition values ⁇ 1 specified from a map. Every 720 ° crankshaft angle, however, that is to say in the present case with crankshaft angles 360 °, 1080 ° and 1800 °, the ignition angle is reduced by a certain value ⁇ , so that at these ignition times, the ignition angle ⁇ 1 - ⁇ is retarded.
  • a change in smoothness can be done with a device for smoothness detection be determined.
  • Such smooth running detection devices are numerous known in the prior art and are not described in detail here. For example, however, it is possible to use the signal shown in FIG to evaluate in terms of its reversal points.
  • the present method can be used to determine whether a top dead center of the crankshaft an ignition TDC or an overlap TDC is.

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)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
EP00918878A 1999-04-24 2000-04-13 Verfahren zur zündsynchronisation Expired - Lifetime EP1173667B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19918664A DE19918664A1 (de) 1999-04-24 1999-04-24 Verfahren zur Zündsynchronisation
DE19918664 1999-04-24
PCT/EP2000/003348 WO2000065219A1 (de) 1999-04-24 2000-04-13 Verfahren zur zündsynchronisation

Publications (2)

Publication Number Publication Date
EP1173667A1 EP1173667A1 (de) 2002-01-23
EP1173667B1 true EP1173667B1 (de) 2004-04-07

Family

ID=7905738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00918878A Expired - Lifetime EP1173667B1 (de) 1999-04-24 2000-04-13 Verfahren zur zündsynchronisation

Country Status (6)

Country Link
US (1) US6536410B1 (ja)
EP (1) EP1173667B1 (ja)
JP (1) JP2002543328A (ja)
DE (2) DE19918664A1 (ja)
ES (1) ES2215634T3 (ja)
WO (1) WO2000065219A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111479A1 (de) * 2001-03-09 2002-09-19 Bosch Gmbh Robert Verfahren zur Phasendetektion mittels Zündzeitpunktvariation
DE10122247B4 (de) * 2001-05-08 2004-06-24 Robert Bosch Gmbh Verfahren zur Phasenerkennung bei einer Brennkraftmaschine
US7638435B2 (en) * 2005-08-23 2009-12-29 Xactix, Inc. Pulsed etching cooling
JP5011086B2 (ja) 2007-12-25 2012-08-29 日立オートモティブシステムズ株式会社 エンジンの制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928652A (en) * 1987-09-17 1990-05-29 Mazda Motor Corporation Engine control system for suppressing car body vibration
DE4122786A1 (de) * 1990-07-23 1992-01-30 Volkswagen Ag Verfahren zur identifikation des einem zuend- oder einspritzvorgang zugeordneten drehwinkels einer brennkraftmaschine
EP0640762B1 (de) 1993-08-26 1996-10-23 Siemens Aktiengesellschaft Zylinder Synchronisation einer Mehrzylinder Brennkraftmaschine durch Detektion eines gezielten Verbrennungsaussetzers
JP2890093B2 (ja) * 1993-12-29 1999-05-10 株式会社ユニシアジェックス 多気筒内燃機関の失火診断装置
DE4418577A1 (de) 1994-05-27 1995-11-30 Bosch Gmbh Robert Einrichtung zur Regelung einer Brennkraftmaschine
JP3120268B2 (ja) * 1995-03-22 2000-12-25 株式会社ユニシアジェックス 多気筒内燃機関の失火診断装置
DE19744383A1 (de) * 1996-10-10 1998-04-16 Volkswagen Ag Verfahren und Motorsteuerung zum automatischen Unterscheiden zwischen Gaswechsel- und Zünd-Totpunkt bei einem 4-Takt-Ottomotor

Also Published As

Publication number Publication date
ES2215634T3 (es) 2004-10-16
WO2000065219A1 (de) 2000-11-02
US6536410B1 (en) 2003-03-25
JP2002543328A (ja) 2002-12-17
EP1173667A1 (de) 2002-01-23
DE19918664A1 (de) 2000-11-02
DE50005997D1 (de) 2004-05-13

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