KR910012520A - 엔진용 공연비 제어장치 - Google Patents

엔진용 공연비 제어장치

Info

Publication number
KR910012520A
KR910012520A KR1019900020173A KR900020173A KR910012520A KR 910012520 A KR910012520 A KR 910012520A KR 1019900020173 A KR1019900020173 A KR 1019900020173A KR 900020173 A KR900020173 A KR 900020173A KR 910012520 A KR910012520 A KR 910012520A
Authority
KR
South Korea
Prior art keywords
time
fuel ratio
setting means
detection signal
engine
Prior art date
Application number
KR1019900020173A
Other languages
English (en)
Other versions
KR0137133B1 (ko
Inventor
겐지 이꾸다
도시오 곤도오
히로시 하라구지
Original Assignee
오까베 다까시
닛뽕 덴소오 가부시기가이샤
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.)
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Application filed by 오까베 다까시, 닛뽕 덴소오 가부시기가이샤 filed Critical 오까베 다까시
Publication of KR910012520A publication Critical patent/KR910012520A/ko
Application granted granted Critical
Publication of KR0137133B1 publication Critical patent/KR0137133B1/ko

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
    • 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
    • F02D41/02—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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural 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
    • F02D41/02—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)
    • F02D41/1479—Using a comparator with variable reference
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1415—Controller structures or design using a state feedback or a state space representation
    • 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
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • 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
    • 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

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)

Abstract

내용 없음

Description

엔진용 공연비 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 청구권에 대한 대응도.
제 2 도는 본 발명의 한 실시예의 구성도.

Claims (4)

  1. 엔진의 배기관에 배설되어, 배기가스를 정화하기 위한 촉매와 이 촉매의 상류에 배설되어 엔진에 공급되는 혼합기체의 공연비에 대하여 리니어한 제 1 검출신호가 출력되는 제 1 산소농도센서와 촉매의 하류에 배설되어 엔진에 공급되는 혼합기체의 공연비가 이론공연비에 대하여 농후인지 희박인지를 나타낸 제 2 검출신호가 출력되는 제 2 산소농도센서와 제 2 검출신호에 따라서 목표공연비를 설정하는 목표공연비 설정수단과 제 1 검출신호와 목표 공연비에 따라서 엔진이 공급하는 연료분사량을 설정하는 연료분사 설정수단들을 구비한 것을 특징으로 하는 엔진용 공연비 제어장치.
  2. 제 1 항에 있어서 목표공연비 설정수단은 제 2 검출신호가 농후인 경우는 전술한 목표공연비를 단위시간당 소정치씩 서서히 희박한쪽에 설정하고 제 2 검출신호가 희박인 경우는 목표공연비를 단위시간당 소정치씩 서서히 농후한 쪽에 설정하는 제 1 목표 공연비설정 수단을 구비한 것을 특징으로 하는 엔진용 공연지 제어장치.
  3. 제 1 항에 있어서, 목표공연비 설정수단은 제 2 검출신호의 소정주기에 있어서의 농후의 시간의 총시간을 검출하는 제 1 시간 검출수단과, 제 2 검출 신호의 소정시간에 있어서의 희박의 시간의 총시간을 검출하는 제 2 시간 검출수단과 전술한 농후의 시간의 총시간의 희박의 시간의 총시간 보다 길 경우에는 목표공연비를 소정치씩 서서히 희박측에 설정하고 희박의 시간이 총시간이 전술한 농후의 시간의 총시간보다 길 경우에는 목표공연비를 소정치씩 서서히 농후측에 설정하는 제 2 목표 공연비 설정 수단등을 구비한 것을 특징으로 하는 엔진용 공연비 제어장치.
  4. 제 1 - 3 항 중 어느 한항에서 연료분사량 설정수단은 목표공연비를 목표 공연비 설정수단으로 설정되는 목표 공연비에 대하여 소정진폭에 따라 주기적으로 변화시키는 것을 특징으로 하는 엔진용 공연비 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900020173A 1989-12-14 1990-12-08 엔진용 공연비 제어장치 KR0137133B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-324291 1989-12-14
JP1324291A JP2765136B2 (ja) 1989-12-14 1989-12-14 エンジン用空燃比制御装置

Publications (2)

Publication Number Publication Date
KR910012520A true KR910012520A (ko) 1991-08-08
KR0137133B1 KR0137133B1 (ko) 1998-04-25

Family

ID=18164170

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020173A KR0137133B1 (ko) 1989-12-14 1990-12-08 엔진용 공연비 제어장치

Country Status (4)

Country Link
US (1) US5090199A (ko)
JP (1) JP2765136B2 (ko)
KR (1) KR0137133B1 (ko)
DE (1) DE4039876B4 (ko)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315823A (en) * 1991-02-12 1994-05-31 Nippondenso Co., Ltd. Control apparatus for speedily warming up catalyst in internal combustion engine
DE4128997A1 (de) * 1991-08-31 1993-03-04 Abb Patent Gmbh Verfahren und vorrichtung zur regelung und pruefung
JP3651007B2 (ja) * 1991-09-24 2005-05-25 株式会社デンソー 内燃機関の空燃比制御装置
DE4136911A1 (de) * 1991-11-09 1993-05-13 Till Keesmann Verfahren zur katalytischen nachverbrennung der abgase einer mit mehreren zylindern ausgestatteten brennkraftmaschine und vorrichtung zur ausuebung dieses verfahrens
JP2917632B2 (ja) * 1991-12-03 1999-07-12 日産自動車株式会社 エンジンの空燃比制御装置
CA2096382C (en) * 1992-05-19 1998-05-05 Ken Ogawa Air-fuel ratio control system for internal combustion engines
US5487270A (en) * 1992-07-03 1996-01-30 Nippondenso Co., Ltd. Air-fuel ratio control system for internal combustion engine
US5622047A (en) * 1992-07-03 1997-04-22 Nippondenso Co., Ltd. Method and apparatus for detecting saturation gas amount absorbed by catalytic converter
JP3306930B2 (ja) * 1992-07-03 2002-07-24 株式会社デンソー 内燃機関の空燃比制御装置
JP3039162B2 (ja) * 1992-10-13 2000-05-08 株式会社デンソー 内燃機関の空燃比制御装置
JP3197654B2 (ja) * 1993-01-21 2001-08-13 本田技研工業株式会社 内燃エンジンの空燃比センサ劣化検出装置
JP2843878B2 (ja) * 1993-01-21 1999-01-06 本田技研工業株式会社 内燃機関の空燃比制御装置
JPH06229292A (ja) * 1993-01-29 1994-08-16 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JP3179920B2 (ja) * 1993-02-12 2001-06-25 株式会社日立製作所 内燃機関の触媒診断装置
JP2880872B2 (ja) * 1993-02-26 1999-04-12 本田技研工業株式会社 内燃機関の気筒群別空燃比制御装置
US5473889A (en) * 1993-09-24 1995-12-12 Honda Giken Kogyo K.K. (Honda Motor Co., Ltd. In English) Air-fuel ratio control system for internal combustion engines
JP3438298B2 (ja) * 1994-03-25 2003-08-18 マツダ株式会社 空燃比センサの故障検出装置
JP3449011B2 (ja) * 1994-05-31 2003-09-22 株式会社デンソー 内燃機関の空燃比制御装置
US5758490A (en) * 1994-12-30 1998-06-02 Honda Giken Kogyo Kabushiki Kaisha Fuel metering control system for internal combustion engine
US5657735A (en) * 1994-12-30 1997-08-19 Honda Giken Kogyo Kabushiki Kaisha Fuel metering control system for internal combustion engine
KR100407297B1 (ko) * 1994-12-30 2004-05-31 혼다 기켄 고교 가부시키가이샤 내연기관의연료분사제어장치
US5832724A (en) * 1995-01-27 1998-11-10 Mazda Motor Corporation Air-fuel ratio control system for engines
DE19505687A1 (de) * 1995-02-20 1996-08-22 Audi Ag Verfahren zur Steuerung einer Brennkraftmaschine im Sekundärluftbetrieb
JP3841842B2 (ja) * 1995-02-24 2006-11-08 本田技研工業株式会社 内燃機関の制御装置
US5619976A (en) * 1995-02-24 1997-04-15 Honda Giken Kogyo Kabushiki Kaisha Control system employing controller of recurrence formula type for internal combustion engines
JP3581737B2 (ja) * 1995-02-24 2004-10-27 本田技研工業株式会社 内燃機関の空燃比制御装置
JP3498817B2 (ja) * 1995-06-14 2004-02-23 株式会社デンソー 内燃機関の排気系故障診断装置
JP3805408B2 (ja) * 1995-06-15 2006-08-02 株式会社デンソー 内燃機関の空燃比制御装置
DE19626405B4 (de) * 1995-06-30 2008-09-18 Denso Corp., Kariya Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor
JP3765617B2 (ja) * 1996-06-25 2006-04-12 本田技研工業株式会社 内燃機関の空燃比制御装置
JP3887903B2 (ja) * 1997-09-02 2007-02-28 株式会社デンソー 内燃機関の空燃比制御装置
DE19801815A1 (de) * 1998-01-19 1999-07-22 Volkswagen Ag Mager-Regeneration von NOx-Speichern
US6513321B2 (en) * 1999-12-28 2003-02-04 Honda Giken Kogyo Kabushiki Kaisha Exhaust gas purifying apparatus for internal combustion engine
US6539707B2 (en) 2000-10-03 2003-04-01 Denso Corporation Exhaust emission control system for internal combustion engine
US6567738B2 (en) 2001-01-30 2003-05-20 Ford Global Technologies, Llc Fueling control system
FR2833309B1 (fr) * 2001-12-07 2006-01-20 Renault Dispositif de regulation de la richesse d'un moteur a combustion interne
WO2004059151A1 (de) * 2002-12-30 2004-07-15 Volkswagen Ag Verfahren und vorrichtung zur einstellung eines kraftstoff/luftverhältnisses für eine brennkraftmaschine
US7377104B2 (en) * 2004-03-05 2008-05-27 Ford Global Technologies, Llc Engine control system with mixed exhaust gas oxygen sensor types
AU2006203294B2 (en) * 2005-08-31 2011-09-08 Ford Global Technologies, Llc Engine Control System with Mixed Exhaust Gas Oxygen Sensor Types
DE102005061872A1 (de) * 2005-12-23 2007-07-05 Robert Bosch Gmbh Verfahren und Vorrichtung zur Regeneration einer Abgasreinigungsanlage
US7809490B2 (en) * 2007-08-17 2010-10-05 Gm Global Technology Operations, Inc. Phase and frequency error based asymmetrical AFR pulse reference tracking algorithm using the pre-catalyst O2 sensor switching output

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027477A (en) * 1976-04-29 1977-06-07 General Motors Corporation Dual sensor closed loop fuel control system having signal transfer between sensors during warmup
DE2713988A1 (de) * 1977-03-30 1978-10-05 Bosch Gmbh Robert Verfahren und einrichtung zur bestimmung der verhaeltnisanteile des einer brennkraftmaschine zugefuehrten kraftstoff-luftgemisches
JPS5664125A (en) * 1979-10-26 1981-06-01 Matsushita Electric Ind Co Ltd Closed loop fuel injection method
JPS603446A (ja) * 1983-06-21 1985-01-09 Mitsubishi Electric Corp 機関の空燃比制御装置
JPS60243316A (ja) * 1984-05-16 1985-12-03 Nissan Motor Co Ltd エンジンの２次空気制御装置
JPS6183466A (ja) * 1984-09-29 1986-04-28 Suzuki Motor Co Ltd 空燃比制御装置
DE3500594C2 (de) * 1985-01-10 1995-08-17 Bosch Gmbh Robert Zumeßsystem für eine Brennkraftmaschine zur Beeinflussung des Betriebsgemisches
JPS6445913A (en) * 1987-08-11 1989-02-20 Mitsubishi Motors Corp Catalyst deterioration diagnosing device for internal combustion engine
JP2551038B2 (ja) * 1987-10-22 1996-11-06 日本電装株式会社 内燃機関の空燃比制御装置
JP2801596B2 (ja) * 1987-11-05 1998-09-21 日本特殊陶業株式会社 空燃比制御方法
DE3827978A1 (de) * 1987-11-10 1989-05-18 Bosch Gmbh Robert Verfahren und vorrichtung fuer stetige lambdaregelung

Also Published As

Publication number Publication date
KR0137133B1 (ko) 1998-04-25
DE4039876A1 (de) 1991-07-04
JP2765136B2 (ja) 1998-06-11
DE4039876B4 (de) 2006-08-31
US5090199A (en) 1992-02-25
JPH03185244A (ja) 1991-08-13

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