KR100435637B1 - 희박연소엔진을장착한차량에서의공연비제어방법 - Google Patents
희박연소엔진을장착한차량에서의공연비제어방법 Download PDFInfo
- Publication number
- KR100435637B1 KR100435637B1 KR1019970069137A KR19970069137A KR100435637B1 KR 100435637 B1 KR100435637 B1 KR 100435637B1 KR 1019970069137 A KR1019970069137 A KR 1019970069137A KR 19970069137 A KR19970069137 A KR 19970069137A KR 100435637 B1 KR100435637 B1 KR 100435637B1
- Authority
- KR
- South Korea
- Prior art keywords
- fuel ratio
- air
- engine
- fuel
- ratio
- 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.)
- Expired - Fee Related
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Classifications
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- 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
-
- 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
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
Description
Claims (1)
- 희박 연소 엔진의 공연비 제어에 있어서,각 센서의 신호를 판독하여 현재의 연소 모드를 판단하는 단계와;현재의 연소 모드가 이론 공연비의 연소 모드이면 피드백 제어의 상태인지 판단하는 단계와;상기에서 이론 공연비의 연소 모드에서 피드백 제어로 판단되면 이론 공연비로 근접시키기 위한 피드백 제어를 수행하고, 피드백 제어가 수행되지 않는 상태이면 이론 공연비 연소용 맵 테이블 데이터에 따라 연료량을 제어하는 단계와;상기의 판단에서 현재의 연소 모드가 희박 연소 모드로 판정되면 피드백 제어의 상태인지 판단하는 단계와;상기에서 희박 연소 모드에서 피드백 제어가 수행되지 않는 상태이면 희박 연소용 맵 테이블 데이터에 따라 연료량을 제어하고, 피드백 제어의 수행이면 희박 연소 공연비로 근접시키기 위한 피드백 제어를 수행하는 단계로 이루어지는 희박 연소 엔진을 장착한 차량에서의 공연비 제어 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970069137A KR100435637B1 (ko) | 1997-12-16 | 1997-12-16 | 희박연소엔진을장착한차량에서의공연비제어방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970069137A KR100435637B1 (ko) | 1997-12-16 | 1997-12-16 | 희박연소엔진을장착한차량에서의공연비제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990050093A KR19990050093A (ko) | 1999-07-05 |
KR100435637B1 true KR100435637B1 (ko) | 2004-09-04 |
Family
ID=37348807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970069137A Expired - Fee Related KR100435637B1 (ko) | 1997-12-16 | 1997-12-16 | 희박연소엔진을장착한차량에서의공연비제어방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100435637B1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355615A (en) * | 1979-05-04 | 1982-10-26 | Nissan Motor Company, Limited | Air/fuel ratio control device for an internal combustion engine |
JPS5851240A (ja) * | 1981-09-21 | 1983-03-25 | Nippon Denso Co Ltd | 内燃機関の空燃比制御方法 |
US4681077A (en) * | 1984-01-20 | 1987-07-21 | Hitachi, Ltd. | Air-fuel ratio controlling method and apparatus for an internal combustion engine |
JPH01187338A (ja) * | 1988-01-19 | 1989-07-26 | Nippon Denso Co Ltd | 空燃比制御装置 |
EP0803646A2 (en) * | 1996-04-26 | 1997-10-29 | Ford Motor Company Limited | Method and apparatus for improving vehicle fuel economy |
KR100187974B1 (ko) * | 1995-07-31 | 1999-06-01 | 정몽규 | 희박 연소 엔진 차량에 있어서의 공연비 제어방법 |
-
1997
- 1997-12-16 KR KR1019970069137A patent/KR100435637B1/ko not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355615A (en) * | 1979-05-04 | 1982-10-26 | Nissan Motor Company, Limited | Air/fuel ratio control device for an internal combustion engine |
JPS5851240A (ja) * | 1981-09-21 | 1983-03-25 | Nippon Denso Co Ltd | 内燃機関の空燃比制御方法 |
US4681077A (en) * | 1984-01-20 | 1987-07-21 | Hitachi, Ltd. | Air-fuel ratio controlling method and apparatus for an internal combustion engine |
JPH01187338A (ja) * | 1988-01-19 | 1989-07-26 | Nippon Denso Co Ltd | 空燃比制御装置 |
KR100187974B1 (ko) * | 1995-07-31 | 1999-06-01 | 정몽규 | 희박 연소 엔진 차량에 있어서의 공연비 제어방법 |
EP0803646A2 (en) * | 1996-04-26 | 1997-10-29 | Ford Motor Company Limited | Method and apparatus for improving vehicle fuel economy |
Also Published As
Publication number | Publication date |
---|---|
KR19990050093A (ko) | 1999-07-05 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19971216 |
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Patent event code: PA02012R01D Patent event date: 20011206 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19971216 Comment text: Patent Application |
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Comment text: Notification of reason for refusal Patent event date: 20040129 Patent event code: PE09021S01D |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20040428 |
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Comment text: Registration of Establishment Patent event date: 20040602 Patent event code: PR07011E01D |
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