EP2241739A3 - Controller of a combustion engine for synchronizing the engine during the shutdown - Google Patents

Controller of a combustion engine for synchronizing the engine during the shutdown Download PDF

Info

Publication number
EP2241739A3
EP2241739A3 EP10159232.7A EP10159232A EP2241739A3 EP 2241739 A3 EP2241739 A3 EP 2241739A3 EP 10159232 A EP10159232 A EP 10159232A EP 2241739 A3 EP2241739 A3 EP 2241739A3
Authority
EP
European Patent Office
Prior art keywords
learning
learning value
torque characteristic
engine
loss torque
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
EP10159232.7A
Other languages
German (de)
French (fr)
Other versions
EP2241739B1 (en
EP2241739A2 (en
Inventor
Yamato Utsunomiya
Misao Shibata
Kenji Kawahara
Koji Okamura
Masatomo Yoshihara
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.)
Denso Corp
Original Assignee
Denso 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 Denso Corp filed Critical Denso Corp
Publication of EP2241739A2 publication Critical patent/EP2241739A2/en
Publication of EP2241739A3 publication Critical patent/EP2241739A3/en
Application granted granted Critical
Publication of EP2241739B1 publication Critical patent/EP2241739B1/en
Active 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping 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
    • F02D41/02—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
    • F02D41/24—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
    • 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
    • F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
    • F02D41/248—Methods of calibrating or learning characterised by the method used for learning using a plurality of learned values
    • 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
    • F02D2041/0095—Synchronisation of the cylinders during engine shutdown
    • 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
    • F02D2200/1006—Engine torque losses, e.g. friction or pumping losses or losses caused by external loads of accessories
    • 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
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/005—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation
    • 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
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/005—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation
    • F02N2019/008—Aiding engine start by starting from a predetermined position, e.g. pre-positioning or reverse rotation the engine being stopped in a particular position

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

An ECU includes a backup RAM which stores a learning value of a loss torque characteristic of an engine. The learning value is updated based on the loss torque characteristic which is computed based on an actual engine rotation behavior. The ECU includes a first learning portion (S109) for updating the learning value based on the learning value stored in the memory (Tloss) and a presently computed loss torque characteristic (Tg), and a second learning portion (S112) for updating the learning value based on the presently computed loss torque characteristic (Tlossg) without using the learning value stored in the memory. A switching portion (S107) switches between the first learning portion and the second learning portion in order to update the learning value (Tloss).
EP10159232.7A 2009-04-07 2010-04-07 Controller of an internal combustion engine for synchronizing the engine during the engine shutdown Active EP2241739B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009092759A JP5461049B2 (en) 2009-04-07 2009-04-07 Engine control device

Publications (3)

Publication Number Publication Date
EP2241739A2 EP2241739A2 (en) 2010-10-20
EP2241739A3 true EP2241739A3 (en) 2018-07-04
EP2241739B1 EP2241739B1 (en) 2019-12-25

Family

ID=42359549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10159232.7A Active EP2241739B1 (en) 2009-04-07 2010-04-07 Controller of an internal combustion engine for synchronizing the engine during the engine shutdown

Country Status (2)

Country Link
EP (1) EP2241739B1 (en)
JP (1) JP5461049B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011090095B4 (en) * 2011-12-29 2015-04-09 Robert Bosch Gmbh Method for operating an internal combustion engine
DE102012209964A1 (en) * 2012-06-14 2013-12-19 Robert Bosch Gmbh Method for adaptation of loss torque of internal combustion engines, involves determining momentary loss of torque indication, where loss torque specification to be considered is corrected using instantaneous torque loss indication
JP6308126B2 (en) * 2014-12-26 2018-04-11 トヨタ自動車株式会社 Engine stop device
JP6457472B2 (en) * 2016-12-14 2019-01-23 ファナック株式会社 Control system and machine learning device
JP7359011B2 (en) * 2020-02-05 2023-10-11 トヨタ自動車株式会社 Internal combustion engine control device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904972A2 (en) * 1997-09-30 1999-03-31 Ford Global Technologies, Inc. Engine torque control
DE10043689A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Loss moment adaptation method for combustion engine of vehicle involves adjusting loss moment adaptation depending on operation modes whose moments are dependent on air volume or fuel
US7054738B1 (en) * 2005-10-17 2006-05-30 Ford Global Technologies, Llc Method for estimating engine friction torque
DE102006005701A1 (en) * 2006-02-08 2007-08-09 Robert Bosch Gmbh Operating process for drive unit involves adapting losses during period in which drive unit is switched off
DE102008000384A1 (en) * 2007-03-05 2008-09-25 Denso Corp., Kariya Engine stop control unit
DE102008000547A1 (en) * 2007-03-07 2008-09-25 Denso Corp., Kariya Torque control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09112310A (en) * 1995-10-13 1997-04-28 Nissan Motor Co Ltd Air-fuel ratio controller for internal combustion engine
JP4016633B2 (en) * 2001-10-19 2007-12-05 日産自動車株式会社 Fuel injection control device for internal combustion engine
JP4631775B2 (en) * 2006-03-29 2011-02-16 トヨタ自動車株式会社 Stop position control device for internal combustion engine
JP4803457B2 (en) * 2007-09-18 2011-10-26 株式会社デンソー Throttle control device for internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0904972A2 (en) * 1997-09-30 1999-03-31 Ford Global Technologies, Inc. Engine torque control
DE10043689A1 (en) * 2000-09-04 2002-03-14 Bosch Gmbh Robert Loss moment adaptation method for combustion engine of vehicle involves adjusting loss moment adaptation depending on operation modes whose moments are dependent on air volume or fuel
US7054738B1 (en) * 2005-10-17 2006-05-30 Ford Global Technologies, Llc Method for estimating engine friction torque
DE102006005701A1 (en) * 2006-02-08 2007-08-09 Robert Bosch Gmbh Operating process for drive unit involves adapting losses during period in which drive unit is switched off
DE102008000384A1 (en) * 2007-03-05 2008-09-25 Denso Corp., Kariya Engine stop control unit
DE102008000547A1 (en) * 2007-03-07 2008-09-25 Denso Corp., Kariya Torque control system

Also Published As

Publication number Publication date
JP2010242633A (en) 2010-10-28
JP5461049B2 (en) 2014-04-02
EP2241739B1 (en) 2019-12-25
EP2241739A2 (en) 2010-10-20

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