EP1672206A3 - Method and device for engine control in a vehicle - Google Patents

Method and device for engine control in a vehicle Download PDF

Info

Publication number
EP1672206A3
EP1672206A3 EP05251628A EP05251628A EP1672206A3 EP 1672206 A3 EP1672206 A3 EP 1672206A3 EP 05251628 A EP05251628 A EP 05251628A EP 05251628 A EP05251628 A EP 05251628A EP 1672206 A3 EP1672206 A3 EP 1672206A3
Authority
EP
European Patent Office
Prior art keywords
air
fuel ratio
fuel
observer
internal combustion
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
EP05251628A
Other languages
German (de)
French (fr)
Other versions
EP1672206B1 (en
EP1672206A2 (en
Inventor
Bart Schreurs
Julien Schmitt
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1672206A2 publication Critical patent/EP1672206A2/en
Publication of EP1672206A3 publication Critical patent/EP1672206A3/en
Application granted granted Critical
Publication of EP1672206B1 publication Critical patent/EP1672206B1/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
    • F02D41/24—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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • 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
    • F02D41/2454—Learning of the air-fuel ratio control
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • F02D2041/1416—Observer
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the 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
    • 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

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)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

The method involves calculating duration of an injection pulse for triggering a fuel injector in an internal combustion engine. The engine air/fuel ratio value as measured by a wide range air/fuel ratio (AFR) sensor is input to an air/fuel ratio observer (28). The difference between the measured ratio and the required air/fuel ratio is output as an error by the observer to an AFR controller (42), which controls the pulse duration. The required air/fuel ratio is calculated from on an air mass value which varies based on ambient situation e.g. temperature, and necessary fuel amount. An independent claim is also included for a device for controlling an internal combustion engine of a motor vehicle.
EP05251628A 2004-12-17 2005-03-17 Method and device for engine control in a vehicle Active EP1672206B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004061462A DE102004061462A1 (en) 2004-12-17 2004-12-17 Method and device for engine control in a motor vehicle

Publications (3)

Publication Number Publication Date
EP1672206A2 EP1672206A2 (en) 2006-06-21
EP1672206A3 true EP1672206A3 (en) 2007-05-16
EP1672206B1 EP1672206B1 (en) 2009-12-30

Family

ID=36011158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05251628A Active EP1672206B1 (en) 2004-12-17 2005-03-17 Method and device for engine control in a vehicle

Country Status (4)

Country Link
US (1) US7322346B2 (en)
EP (1) EP1672206B1 (en)
AT (1) ATE453794T1 (en)
DE (2) DE102004061462A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7589822B2 (en) * 2004-02-02 2009-09-15 Nikon Corporation Stage drive method and stage unit, exposure apparatus, and device manufacturing method
DE102005012950B4 (en) 2005-03-21 2019-03-21 Robert Bosch Gmbh Method and device for controlling an internal combustion engine
CN105257419B (en) * 2015-10-28 2018-05-18 石家庄益科创新科技有限公司 Put-put electric injection system self study implementation method based on narrow lambda sensor
DE102017209525A1 (en) * 2017-06-07 2018-12-13 Robert Bosch Gmbh Method for calculating a filling of an internal combustion engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552116A (en) * 1983-08-26 1985-11-12 Hitachi, Ltd. Engine control apparatus
DE3603137A1 (en) * 1986-02-01 1987-08-06 Bosch Gmbh Robert METHOD AND DEVICE FOR CONTROLLING OPERATING CHARACTERISTICS OF AN INTERNAL COMBUSTION ENGINE
US20030164166A1 (en) * 2002-03-01 2003-09-04 Katsuhiko Takeuchi Fuel injection control system for engine
US20030221680A1 (en) * 2002-02-19 2003-12-04 Marco Tonetti Method and device for controlling injection in an internal combustion engine, in particular a diesel engine with a common rail injection system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625698A (en) * 1985-08-23 1986-12-02 General Motors Corporation Closed loop air/fuel ratio controller
US6102018A (en) * 1998-04-06 2000-08-15 Ford Global Technologies, Inc. Air/fuel control system and method
US6357431B1 (en) * 2000-05-18 2002-03-19 Daimlerchrysler Corporation Wave form fuel/air sensor target voltage
US6298840B1 (en) * 2000-07-03 2001-10-09 Ford Global Technologies, Inc. Air/fuel control system and method
CN100422536C (en) 2002-05-14 2008-10-01 罗伯特-博希股份公司 Method and device for controlling internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552116A (en) * 1983-08-26 1985-11-12 Hitachi, Ltd. Engine control apparatus
DE3603137A1 (en) * 1986-02-01 1987-08-06 Bosch Gmbh Robert METHOD AND DEVICE FOR CONTROLLING OPERATING CHARACTERISTICS OF AN INTERNAL COMBUSTION ENGINE
US20030221680A1 (en) * 2002-02-19 2003-12-04 Marco Tonetti Method and device for controlling injection in an internal combustion engine, in particular a diesel engine with a common rail injection system
US20030164166A1 (en) * 2002-03-01 2003-09-04 Katsuhiko Takeuchi Fuel injection control system for engine

Also Published As

Publication number Publication date
US7322346B2 (en) 2008-01-29
EP1672206B1 (en) 2009-12-30
DE102004061462A1 (en) 2006-07-06
DE502005008782D1 (en) 2010-02-11
EP1672206A2 (en) 2006-06-21
US20060130820A1 (en) 2006-06-22
ATE453794T1 (en) 2010-01-15

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