EP2112358A3 - Fuel injection amount learning control apparatus - Google Patents

Fuel injection amount learning control apparatus Download PDF

Info

Publication number
EP2112358A3
EP2112358A3 EP09158441A EP09158441A EP2112358A3 EP 2112358 A3 EP2112358 A3 EP 2112358A3 EP 09158441 A EP09158441 A EP 09158441A EP 09158441 A EP09158441 A EP 09158441A EP 2112358 A3 EP2112358 A3 EP 2112358A3
Authority
EP
European Patent Office
Prior art keywords
learning
fuel injection
injection amount
ecu
racing
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
EP09158441A
Other languages
German (de)
French (fr)
Other versions
EP2112358B1 (en
EP2112358A2 (en
Inventor
Masahiro Minami
Yoshiyasu Ito
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of EP2112358A2 publication Critical patent/EP2112358A2/en
Publication of EP2112358A3 publication Critical patent/EP2112358A3/en
Application granted granted Critical
Publication of EP2112358B1 publication Critical patent/EP2112358B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02D41/2438—Active learning methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/007—Electric control of rotation speed controlling fuel supply
    • 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
    • F02D41/24—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
    • F02D41/2464—Characteristics of actuators
    • F02D41/2467—Characteristics of actuators for injectors
    • 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
    • F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
    • F02D2200/602—Pedal position
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
    • F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
    • 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
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/403—Multiple injections with pilot injections

Landscapes

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

Abstract

When a learning value of a fuel injection amount is lost through the replacement of an ECU, an issuance device is connected to the ECU to send a forcible learning command signal, thereby forcibly making a shift to a fuel injection amount learning mode. After that, racing is carried out a plurality of times only through a single accelerator depression operation by an operator, and about 10 learning values are acquired every time racing is carried out once. When the learning values are acquired a plurality of times and learning is completed, racing is ended. Thus, a learning operation can be completed at an early stage after the replacement of the ECU. As a result, there arises no deviation in the fuel injection amount.
EP09158441.7A 2008-04-23 2009-04-22 Fuel injection amount learning control apparatus Not-in-force EP2112358B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008112387A JP4840397B2 (en) 2008-04-23 2008-04-23 Fuel injection amount learning control device

Publications (3)

Publication Number Publication Date
EP2112358A2 EP2112358A2 (en) 2009-10-28
EP2112358A3 true EP2112358A3 (en) 2010-08-11
EP2112358B1 EP2112358B1 (en) 2020-11-11

Family

ID=40900670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09158441.7A Not-in-force EP2112358B1 (en) 2008-04-23 2009-04-22 Fuel injection amount learning control apparatus

Country Status (2)

Country Link
EP (1) EP2112358B1 (en)
JP (1) JP4840397B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4737227B2 (en) * 2008-05-07 2011-07-27 トヨタ自動車株式会社 Fuel injection amount control device
JP5052484B2 (en) * 2008-11-17 2012-10-17 トヨタ自動車株式会社 Fuel injection amount learning control device for internal combustion engine
JP5912984B2 (en) * 2012-08-09 2016-04-27 株式会社豊田自動織機 Fuel injection amount learning method for internal combustion engine
DE102013206641B3 (en) * 2013-04-15 2014-05-22 Robert Bosch Gmbh Method for performing learning function used for providing correction value for compensating nominal value of deviation in motor vehicle, involves determining correction values for defined operating state of motor vehicle
KR102165878B1 (en) 2020-01-20 2020-10-14 주식회사 현대케피코 Method for Estimation of Engine Torque by Artificial Neural Network

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855495A1 (en) * 1997-12-02 1999-06-10 Suzuki Motor Co Arrangement for controlling air-fuel in internal combustion engine
EP1387067A2 (en) * 2002-08-01 2004-02-04 Toyota Jidosha Kabushiki Kaisha automatic compliance device, automatic compliance method, automobile, and storage medium
EP1491751A1 (en) * 2003-06-27 2004-12-29 Denso Corporation Injection quantity control device of diesel engine
JP2006083734A (en) * 2004-09-15 2006-03-30 Toyota Motor Corp Learning control device for hybrid car engine
US20060266334A1 (en) * 2005-05-31 2006-11-30 Denso Corporation Fuel injection device for internal combustion engine
DE102007000323A1 (en) * 2006-06-13 2007-12-20 Denso Corp., Kariya Electronic control unit for controlling fuel injection of common-rail fuel injection device of diesel engine, adjusting injection sample of fuel to regular injection sample, when unit terminates finding of characteristics of injecting units

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003056389A (en) 2001-08-10 2003-02-26 Bosch Automotive Systems Corp Method and device for controlling fuel injection amount
JP4089244B2 (en) * 2002-03-01 2008-05-28 株式会社デンソー Injection amount control device for internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19855495A1 (en) * 1997-12-02 1999-06-10 Suzuki Motor Co Arrangement for controlling air-fuel in internal combustion engine
EP1387067A2 (en) * 2002-08-01 2004-02-04 Toyota Jidosha Kabushiki Kaisha automatic compliance device, automatic compliance method, automobile, and storage medium
EP1491751A1 (en) * 2003-06-27 2004-12-29 Denso Corporation Injection quantity control device of diesel engine
JP2006083734A (en) * 2004-09-15 2006-03-30 Toyota Motor Corp Learning control device for hybrid car engine
US20060266334A1 (en) * 2005-05-31 2006-11-30 Denso Corporation Fuel injection device for internal combustion engine
DE102007000323A1 (en) * 2006-06-13 2007-12-20 Denso Corp., Kariya Electronic control unit for controlling fuel injection of common-rail fuel injection device of diesel engine, adjusting injection sample of fuel to regular injection sample, when unit terminates finding of characteristics of injecting units

Also Published As

Publication number Publication date
JP4840397B2 (en) 2011-12-21
EP2112358B1 (en) 2020-11-11
JP2009264165A (en) 2009-11-12
EP2112358A2 (en) 2009-10-28

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