KR970021687A - 내연기관의 제어장치 - Google Patents

내연기관의 제어장치 Download PDF

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Publication number
KR970021687A
KR970021687A KR1019960043347A KR19960043347A KR970021687A KR 970021687 A KR970021687 A KR 970021687A KR 1019960043347 A KR1019960043347 A KR 1019960043347A KR 19960043347 A KR19960043347 A KR 19960043347A KR 970021687 A KR970021687 A KR 970021687A
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South Korea
Prior art keywords
correction
correction means
engine
weight loss
internal combustion
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KR1019960043347A
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English (en)
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KR100187783B1 (ko
Inventor
도시카즈 시노
기미요시 니시자와
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하나와 가즈요시
닛산 지도샤 가부시키가이샤
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Publication of KR970021687A publication Critical patent/KR970021687A/ko
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Publication of KR100187783B1 publication Critical patent/KR100187783B1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1506—Digital data processing using one central computing unit with particular means during starting
    • 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
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • 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
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
    • 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
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/068—Introducing corrections for particular operating conditions for engine starting or warming up for warming-up
    • 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
    • F02D41/08—Introducing corrections for particular operating conditions for idling
    • F02D41/086—Introducing corrections for particular operating conditions for idling taking into account the temperature of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
    • 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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1508—Digital data processing using one central computing unit with particular means during idling
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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

Abstract

공연비 피드백 제어가 개시되기 전의 냉기시에 HC의 전환이 도모되도록 한다. 공연비 피드백 제어의 정지상태에서 또한 아이들 운전상태일 때에는 수온에 따른 증량보정을 행한다. 한편, 공연비 피드백 제어의 정지상태에서 또한 비아이들 운전상태일 때에는 수온에 따른 감량보정을 행하게 한다. 상기 감량보정으로 촉매분위기의 산소농도가 높아지고, 촉매활성에 도달한 단계에서 HC의 전환을 개시시킬 수 있다. 또한, 상기 감량보정시에는 감량률에 따라 점화시기를 진각보정하여 기관의 안정성을 확보한다.

Description

내연기관의 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 청구항 1에 기재된 발명의 구성블록도,
제2도는 실시예의 시스템 구성도,
제3도는 연료분사량의 연산을 나타내는 플로차트,
제4도는 공연비 피드백 보정계수(a)의 설정을 나타내는 플로차트,
제5도는 수온에 따른 연료분사량의 보정제어를 나타내는 플로차트,
제6도는 수온에 따른 연료분사량의 보정제어를 나타내는 플로차트.

Claims (7)

  1. 소정의 운전조건에 있어서, 기관흡입 혼합기의 공연비를 목표 공연비에 접근하도록 기관으로의 연료 공급량을 피드백 제어하는 공연비 피드백 제어수단과, 기관온도에 따라 기관으로의 연료공급량을 증량보정하는 증량보정수단과, 기관온도에 따라 기관으로의 연료공급량을 감량보정하는 감량보정수단과, 상기 공연비 피드백제어수단에 의한 비드백 제어중에, 기관의 운전조건에 따라 상기 중량보정수단과 감량보정수단중 어느 한쪽을 선택하여 작동시키는 보정절환수단을 포함하여 구성된 것을 특징으로 하는 내연기관의 제어장치.
  2. 제1항에 있어서, 상기 보정절환수단이, 기관의 아이들 운전상태에서 증량보정수단을 선택하고, 비아이들 운전상태에서 감량보정수단을 선택하는 것을 특징으로 하는 내연기관의 제어장치.
  3. 제1항 또는 제2항에 있어서, 상기 보정절환수단이, 상기 증량보정수단과 감량보정수단 사이에서의 절환시에, 연료공급량의 보정량을 서서히 변화시키는 것을 특징으로 하는 내연기관의 제어장치.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 감량보정수단에 의한 감량보정량을, 기관부하, 기관회전속도, 스로틀밸브 개도중 적어도 하나에 근거하여 수정하는 감량보정량 수정수단을 형성한 것을 특징으로 하는 내연기관의 제어장치.
  5. 제1항에 내지 제4항 중 어느 한 항에 있어서, 상기 보정절환수단에 의해 감량보정수단이 선택되어 있을 때, 기관의 점화시기를 진각보정하는 진각 보정수단을 형성한 것을 특징으로 하는 내연기관의 제어장치.
  6. 제5항에 있어서, 상기 진각보정수단이, 상기 감량보정수단에 의한 감량보정비율에 따라 진각보정량을 결정하는 것을 특징으로 하는 내연기관의 제어장치.
  7. 제5항 또는 제6항에 있어서, 상기 진각보정수단이, 상기 감량보정수단의 작동개시시부터 서서히 점화시키기의 진각보정량을 중대시키는 동시에, 상기 감량보정수단의 작동정비부터 서서히 점화시키기의 진각보정량을 감소시키는 것을 특징으로 하는 내연기관의 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960043347A 1995-10-02 1996-10-01 내연기관의 제어장치 KR100187783B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-255258 1995-10-02
JP25525895A JP3622290B2 (ja) 1995-10-02 1995-10-02 内燃機関の制御装置

Publications (2)

Publication Number Publication Date
KR970021687A true KR970021687A (ko) 1997-05-28
KR100187783B1 KR100187783B1 (ko) 1999-06-01

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Family Applications (1)

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KR1019960043347A KR100187783B1 (ko) 1995-10-02 1996-10-01 내연기관의 제어장치

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US (1) US5960773A (ko)
JP (1) JP3622290B2 (ko)
KR (1) KR100187783B1 (ko)
DE (1) DE19640809B4 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002195075A (ja) * 2000-12-26 2002-07-10 Isuzu Motors Ltd エンジンの始動制御方法
JP3952733B2 (ja) * 2001-10-22 2007-08-01 日産自動車株式会社 ディーゼルエンジンの排気浄化制御装置
US8434946B2 (en) * 2008-10-29 2013-05-07 Bishop-Wisecarver Corporation System, method, and apparatus for holding a track to a base
JP5443195B2 (ja) * 2010-02-12 2014-03-19 本田技研工業株式会社 汎用型エンジンの空燃比制御装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210137A (en) * 1981-05-15 1982-12-23 Honda Motor Co Ltd Feedback control device of air-fuel ratio in internal combustion engine
JPS59194059A (ja) * 1983-04-19 1984-11-02 Toyota Motor Corp 空燃比および点火時期制御方法並びに装置
JPS603455A (ja) * 1983-06-21 1985-01-09 Honda Motor Co Ltd 内燃エンジンの燃料供給制御方法
JP2785264B2 (ja) * 1988-03-01 1998-08-13 本田技研工業株式会社 内燃エンジンの空燃比フィードバック制御方法
JP2867747B2 (ja) * 1991-02-12 1999-03-10 株式会社デンソー エンジン制御装置
JPH05272394A (ja) * 1992-03-25 1993-10-19 Suzuki Motor Corp 内燃機関の燃料噴射制御装置
US5383432A (en) * 1993-07-06 1995-01-24 Ford Motor Company Method and apparatus for controlling ignition timing based on fuel-air composition during fuel excursions
US5685283A (en) * 1994-07-01 1997-11-11 Mazda Motor Corporation Air-fuel ratio control system for engine
US5483946A (en) * 1994-11-03 1996-01-16 Ford Motor Company Engine control system with rapid catalyst warm-up

Also Published As

Publication number Publication date
DE19640809A1 (de) 1997-04-17
JP3622290B2 (ja) 2005-02-23
US5960773A (en) 1999-10-05
DE19640809B4 (de) 2006-06-29
JPH0996230A (ja) 1997-04-08
KR100187783B1 (ko) 1999-06-01

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