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EP1538324A3 - Method for operating an internal combustion engine and controlling device for such an engine - Google Patents

Method for operating an internal combustion engine and controlling device for such an engine Download PDF

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Publication number
EP1538324A3
EP1538324A3 EP04023769A EP04023769A EP1538324A3 EP 1538324 A3 EP1538324 A3 EP 1538324A3 EP 04023769 A EP04023769 A EP 04023769A EP 04023769 A EP04023769 A EP 04023769A EP 1538324 A3 EP1538324 A3 EP 1538324A3
Authority
EP
European Patent Office
Prior art keywords
pressure
operating
internal combustion
combustion engine
low
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
EP04023769A
Other languages
German (de)
French (fr)
Other versions
EP1538324A2 (en
EP1538324B1 (en
Inventor
Thomas Frenz
Timm Hollmann
Jörg Kuempel
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
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1538324A2 publication Critical patent/EP1538324A2/en
Publication of EP1538324A3 publication Critical patent/EP1538324A3/en
Application granted granted Critical
Publication of EP1538324B1 publication Critical patent/EP1538324B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474—Characteristics of sensors
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/224—Diagnosis of the fuel system
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/16—End position calibration, i.e. calculation or measurement of actuator end positions, e.g. for throttle or its driving actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs, bei dem Kraftstoff mittels einer in einem Niederdruckbereich arbeitenden Vorförderpumpe (12) und einer in einem Hochdruckbereich arbeitenden Hauptförderpumpe (18) in einen Druckspeicher (20) gefördert wird und von dem Druckspeicher (20) mittels wenigstens einer Kraftstoffzumessvorrichtung unter Druck in einen Brennraum der Brennkraftmaschine abgegeben wird, bei dem der in dem Druckspeicher (20) herrschende Druck mittels wenigstens eines für den Hochdruckbereich ausgelegten Drucksensors (24) erfasst wird, und bei dem der Drucksensor (24) mittels des durch die Vorförderpumpe (12) bereitgestellten Niederdrucks für Messungen im Niederdruckbereich abgeglichen wird. Der Abgleich des Drucksensors (24) erfolgt durch Vergleich mit einem vorgegebenen Maximalwert des Drucks im Niederdruckbereich.The invention relates to a method for operating an internal combustion engine, in particular of a motor vehicle, in which fuel is conveyed by means of a pre-feed pump (12) operating in a low-pressure region and a main feed pump (18) operating in a high-pressure region into a pressure accumulator (20) and from the pressure accumulator (20 ) is discharged by means of at least one Kraftstoffzumessvorrichtung under pressure in a combustion chamber of the internal combustion engine, in which the pressure prevailing in the pressure accumulator (20) pressure is detected by at least one designed for the high pressure area pressure sensor (24), and wherein the pressure sensor (24) by means of is adjusted by the prefeed pump (12) provided low pressure for measurements in the low pressure range. The adjustment of the pressure sensor (24) is carried out by comparison with a predetermined maximum value of the pressure in the low pressure range.

Die Erfindung betrifft weiterhin ein Steuergerät für eine Brennkraftmaschine, die mit einem solchen Verfahren betreibbar ist. Das Steuergerät weist Prozessormittel zum Abgleich des Drucksensors (24) durch Vergleich mit einem vorgegebenen Maximalwert des Drucks im Niederdruckbereich auf.

Figure imgaf001
The invention further relates to a control device for an internal combustion engine, which is operable with such a method. The control unit has processor means for balancing the pressure sensor (24) by comparison with a predetermined maximum value of the pressure in the low pressure range.
Figure imgaf001
EP20040023769 2003-12-01 2004-10-06 Method for operating an internal combustion engine and controlling device for such an engine Expired - Lifetime EP1538324B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003156052 DE10356052A1 (en) 2003-12-01 2003-12-01 Method for operating an internal combustion engine, control unit for an internal combustion engine and control provided for this purpose
DE10356052 2003-12-01

Publications (3)

Publication Number Publication Date
EP1538324A2 EP1538324A2 (en) 2005-06-08
EP1538324A3 true EP1538324A3 (en) 2006-10-25
EP1538324B1 EP1538324B1 (en) 2011-05-11

Family

ID=34442379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040023769 Expired - Lifetime EP1538324B1 (en) 2003-12-01 2004-10-06 Method for operating an internal combustion engine and controlling device for such an engine

Country Status (2)

Country Link
EP (1) EP1538324B1 (en)
DE (1) DE10356052A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010015382B4 (en) 2009-04-22 2018-12-27 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Diagnostic systems and methods for a pressure sensor at idle conditions
US8950379B2 (en) 2012-08-28 2015-02-10 GM Global Technology Operations LLC Measured fuel rail pressure adjustment systems and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10003906A1 (en) * 2000-01-29 2001-08-09 Bosch Gmbh Robert Fuel dosing system pressure sensor calibrating process, involving using pressure in high-pressure zone as reference pressure
DE10137871C1 (en) * 2001-08-02 2003-03-06 Siemens Ag Procedure for calibrating a pressure sensor
US6539921B1 (en) * 2001-11-06 2003-04-01 Denso Corporation Fuel injection system with fuel pressure sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10003906A1 (en) * 2000-01-29 2001-08-09 Bosch Gmbh Robert Fuel dosing system pressure sensor calibrating process, involving using pressure in high-pressure zone as reference pressure
DE10137871C1 (en) * 2001-08-02 2003-03-06 Siemens Ag Procedure for calibrating a pressure sensor
US6539921B1 (en) * 2001-11-06 2003-04-01 Denso Corporation Fuel injection system with fuel pressure sensor

Also Published As

Publication number Publication date
EP1538324A2 (en) 2005-06-08
EP1538324B1 (en) 2011-05-11
DE10356052A1 (en) 2005-06-23

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