WO2002103182A1 - Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine - Google Patents

Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine Download PDF

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Publication number
WO2002103182A1
WO2002103182A1 PCT/JP2002/006108 JP0206108W WO02103182A1 WO 2002103182 A1 WO2002103182 A1 WO 2002103182A1 JP 0206108 W JP0206108 W JP 0206108W WO 02103182 A1 WO02103182 A1 WO 02103182A1
Authority
WO
WIPO (PCT)
Prior art keywords
dead
fuel ratio
air
time
exhaust system
Prior art date
Application number
PCT/JP2002/006108
Other languages
English (en)
French (fr)
Inventor
Yuji Yasui
Original Assignee
Honda Giken Kogyo Kabushiki Kaisha
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 Honda Giken Kogyo Kabushiki Kaisha filed Critical Honda Giken Kogyo Kabushiki Kaisha
Priority to DE60236801T priority Critical patent/DE60236801D1/de
Priority to EP02738768A priority patent/EP1411230B1/en
Priority to US10/481,244 priority patent/US6920388B2/en
Publication of WO2002103182A1 publication Critical patent/WO2002103182A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • 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
    • F02D41/1402—Adaptive 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1455—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor resistivity varying with oxygen concentration
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1458—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with determination means using an estimation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/047—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators the criterion being a time optimal performance criterion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • 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
    • F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
    • 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
    • F02D2041/141—Introducing closed-loop corrections characterised by the control or regulation method using a feed-forward control element
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/142—Controller structures or design using different types of control law in combination, e.g. adaptive combined with PID and sliding mode
    • 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
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0404—Throttle 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1481—Using a delaying circuit
    • 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Evolutionary Computation (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Medical Informatics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
PCT/JP2002/006108 2001-06-19 2002-06-19 Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine WO2002103182A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60236801T DE60236801D1 (de) 2001-06-19 2002-06-19 Vorrichtung, verfahren und programmaufzeichnungsmedium zur steuerung eines luft-kraftstoff-verhältnisses einer brennkraftmaschine
EP02738768A EP1411230B1 (en) 2001-06-19 2002-06-19 Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine
US10/481,244 US6920388B2 (en) 2001-06-19 2002-06-19 Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-185555 2001-06-19
JP2001185555A JP4490000B2 (ja) 2001-06-19 2001-06-19 内燃機関の空燃比制御装置

Publications (1)

Publication Number Publication Date
WO2002103182A1 true WO2002103182A1 (en) 2002-12-27

Family

ID=19025114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/006108 WO2002103182A1 (en) 2001-06-19 2002-06-19 Device, method, and program recording medium for control of air-fuel ratio of internal combustion engine

Country Status (5)

Country Link
US (1) US6920388B2 (ja)
EP (1) EP1411230B1 (ja)
JP (1) JP4490000B2 (ja)
DE (1) DE60236801D1 (ja)
WO (1) WO2002103182A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4365626B2 (ja) * 2003-06-25 2009-11-18 三菱自動車工業株式会社 多気筒エンジンの空燃比制御装置
AT413739B (de) * 2004-02-09 2006-05-15 Ge Jenbacher Gmbh & Co Ohg Verfahren zum regeln einer brennkraftmaschine
AT413738B (de) * 2004-02-09 2006-05-15 Ge Jenbacher Gmbh & Co Ohg Verfahren zum regeln einer brennkraftmaschine
JP4726541B2 (ja) * 2004-12-06 2011-07-20 日立オートモティブシステムズ株式会社 内燃機関の空燃比制御装置
JP4450326B2 (ja) * 2005-10-06 2010-04-14 日立オートモティブシステムズ株式会社 内燃機関の空燃比制御装置及び空燃比制御方法
JP2007247476A (ja) * 2006-03-14 2007-09-27 Honda Motor Co Ltd 内燃機関の制御装置
US7412965B1 (en) * 2007-04-13 2008-08-19 Am General Llc Exhaust control system for an internal combustion engine
JP4442670B2 (ja) * 2007-09-19 2010-03-31 株式会社デンソー 内燃機関の燃料噴射制御装置
US7983542B2 (en) * 2007-10-29 2011-07-19 Smiths Medical Asd, Inc. PID coefficient adjustment for respiratory heater closed loop control
JP2009115012A (ja) * 2007-11-08 2009-05-28 Denso Corp 内燃機関の空燃比制御装置
JP4919945B2 (ja) * 2007-12-12 2012-04-18 日立オートモティブシステムズ株式会社 エンジンのスライディングモード制御による空燃比制御方法、及びその方法を備えた燃料制御装置
US8600647B2 (en) * 2009-01-30 2013-12-03 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio control apparatus of a multi-cylinder internal combustion engine
EP2504536B1 (en) * 2010-08-06 2019-03-13 AVL Test Systems, Inc. Particulate measurement system
DE102011013392A1 (de) * 2011-03-09 2012-09-13 Daimler Ag Verfahren zur Regelung eines Verbrennungsmotors
US8511651B2 (en) 2011-03-29 2013-08-20 Smiths Medical Asd, Inc. Heater unit humidification chamber monitor
WO2012153403A1 (ja) * 2011-05-11 2012-11-15 トヨタ自動車株式会社 内燃機関の制御装置
GB201119036D0 (en) * 2011-11-03 2011-12-14 Univ Oxford Brookes A method of controlling a dynamic physical system
US10227940B2 (en) * 2012-07-17 2019-03-12 Honda Motor Co., Ltd. Control device for internal combustion engine
US20170348638A1 (en) * 2016-06-02 2017-12-07 General Electric Company System and method of reducing oxygen concentration in an exhaust gas stream
DE102018251725A1 (de) * 2018-12-27 2020-07-02 Robert Bosch Gmbh Verfahren zur Regelung einer Füllung eines Abgaskomponentenspeichers eines Katalysators
US11624333B2 (en) 2021-04-20 2023-04-11 Kohler Co. Exhaust safety system for an engine

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JPH11324767A (ja) 1998-05-13 1999-11-26 Honda Motor Co Ltd 内燃機関の空燃比制御装置及びプラントの制御装置
EP1010881A2 (en) * 1998-12-17 2000-06-21 Honda Giken Kogyo Kabushiki Kaisha Plant control system
EP1013915A2 (en) * 1998-12-17 2000-06-28 Honda Giken Kogyo Kabushiki Kaisha Plant control system
EP1045124A2 (en) * 1999-04-14 2000-10-18 Honda Giken Kogyo Kabushiki Kaisha Plant control system
JP2001115881A (ja) * 1999-10-19 2001-04-24 Unisia Jecs Corp 内燃機関の空燃比制御装置
EP1106800A1 (en) 1998-07-17 2001-06-13 Honda Giken Kogyo Kabushiki Kaisha Method of judging deterioration of emission gas control catalyst device

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JP3267188B2 (ja) * 1997-05-12 2002-03-18 トヨタ自動車株式会社 内燃機関の触媒劣化判定装置
JP3354088B2 (ja) * 1997-09-16 2002-12-09 本田技研工業株式会社 内燃機関の排気系の空燃比制御装置
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JP3967524B2 (ja) * 1999-12-22 2007-08-29 本田技研工業株式会社 内燃機関の空燃比制御装置

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Publication number Priority date Publication date Assignee Title
JPH11324767A (ja) 1998-05-13 1999-11-26 Honda Motor Co Ltd 内燃機関の空燃比制御装置及びプラントの制御装置
US6188953B1 (en) 1998-05-13 2001-02-13 Honda Giken Kogyo Kabushiki Kaisha Plant control system
EP1106800A1 (en) 1998-07-17 2001-06-13 Honda Giken Kogyo Kabushiki Kaisha Method of judging deterioration of emission gas control catalyst device
EP1010881A2 (en) * 1998-12-17 2000-06-21 Honda Giken Kogyo Kabushiki Kaisha Plant control system
EP1013915A2 (en) * 1998-12-17 2000-06-28 Honda Giken Kogyo Kabushiki Kaisha Plant control system
EP1045124A2 (en) * 1999-04-14 2000-10-18 Honda Giken Kogyo Kabushiki Kaisha Plant control system
JP2001115881A (ja) * 1999-10-19 2001-04-24 Unisia Jecs Corp 内燃機関の空燃比制御装置

Non-Patent Citations (1)

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Title
See also references of EP1411230A4 *

Also Published As

Publication number Publication date
EP1411230A4 (en) 2008-10-01
EP1411230B1 (en) 2010-06-23
US20040193358A1 (en) 2004-09-30
JP4490000B2 (ja) 2010-06-23
EP1411230A1 (en) 2004-04-21
JP2003003892A (ja) 2003-01-08
US6920388B2 (en) 2005-07-19
DE60236801D1 (de) 2010-08-05

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