KR930005157B1 - 공연비 제어장치 - Google Patents
공연비 제어장치 Download PDFInfo
- Publication number
- KR930005157B1 KR930005157B1 KR1019890007156A KR890007156A KR930005157B1 KR 930005157 B1 KR930005157 B1 KR 930005157B1 KR 1019890007156 A KR1019890007156 A KR 1019890007156A KR 890007156 A KR890007156 A KR 890007156A KR 930005157 B1 KR930005157 B1 KR 930005157B1
- Authority
- KR
- South Korea
- Prior art keywords
- fuel ratio
- air
- engine
- fuel
- correction
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims description 91
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 230000015654 memory Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Images
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
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
-
- 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
- F02D41/1438—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
- F02D41/24—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
Claims (1)
- 엔진의 배기 가스 성분으로 공연비를 연속적으로 검출하는 광역 공연비 센서와, 엔진 운전 상태에 따라 목표 공연비를 설정하는 수단과, 목표 공연비와 실공연비의 편차에 따라 보정 계수를 결정하는 수단과, 이 보정 계수를 적분하는 수단과, 이 적분값을 보정 정보로서 엔진 운전 상태에 따라 기억하는 비휘발성 메모리와, 엔진 운전 상태에 따라 기본 연료량을 연산하는 연산 수단과, 이 기본 연료 분사량을 상기 보정 정보에 따라 보정하는 수단을 갖춘 것을 특징으로 하는 공연비 제어장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP??63-188805 | 1988-07-27 | ||
| JP188805 | 1988-07-27 | ||
| JP63188805A JPH0237147A (ja) | 1988-07-27 | 1988-07-27 | 空燃比制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900001959A KR900001959A (ko) | 1990-02-27 |
| KR930005157B1 true KR930005157B1 (ko) | 1993-06-16 |
Family
ID=16230112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890007156A Expired - Lifetime KR930005157B1 (ko) | 1988-07-27 | 1989-05-29 | 공연비 제어장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5053968A (ko) |
| JP (1) | JPH0237147A (ko) |
| KR (1) | KR930005157B1 (ko) |
| DE (1) | DE3922448C2 (ko) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2754501B2 (ja) * | 1990-11-29 | 1998-05-20 | 本田技研工業株式会社 | 内燃エンジンの空燃比制御方法及びその空燃比制御に使用する排気濃度センサの劣化検出方法 |
| DE9206472U1 (de) * | 1992-05-13 | 1992-08-20 | G + M Kat GmbH, 4390 Gladbeck | Vorrichtung zur Regelung des Schadstoffgehalts des Abgases eines mit einem Katalysator ausgerüsteten Kraftfahrzeugs |
| JP3326811B2 (ja) * | 1992-05-19 | 2002-09-24 | 株式会社デンソー | 内燃機関のリーンバーン制御装置 |
| DE59306068D1 (de) * | 1992-07-28 | 1997-05-07 | Siemens Ag | Verfahren zur anpassung der luftwerte aus einem ersatzkennfeld, das bei pulsationen der luft im ansaugrohr einer brennkraftmaschine zur steuerung der gemischaufbereitung verwendet wird, an die aktuell herrschenden zustandsgrössen der aussenluft |
| JP3206357B2 (ja) * | 1994-04-19 | 2001-09-10 | トヨタ自動車株式会社 | 内燃機関の燃料噴射量制御装置 |
| JP3257319B2 (ja) * | 1995-01-30 | 2002-02-18 | トヨタ自動車株式会社 | 空燃比検出装置および方法 |
| US5566662A (en) * | 1995-10-02 | 1996-10-22 | Ford Motor Company | Engine air/fuel control system with an adaptively learned range of authority |
| JP3304763B2 (ja) * | 1996-06-06 | 2002-07-22 | トヨタ自動車株式会社 | 内燃機関の空燃比検出装置 |
| US6026794A (en) | 1997-09-11 | 2000-02-22 | Denso Corporation | Control apparatus for internal combustion engine |
| US6601442B1 (en) | 1999-09-20 | 2003-08-05 | Cummins, Inc. | Duty cycle monitoring system for an engine |
| US7175814B2 (en) * | 2003-06-16 | 2007-02-13 | Dionisio James L | Air disinfecting system and cartridge device containing ultraviolet light |
| JP4710615B2 (ja) * | 2006-01-10 | 2011-06-29 | 株式会社デンソー | ガスセンサ用のヒータ制御装置 |
| US7983542B2 (en) * | 2007-10-29 | 2011-07-19 | Smiths Medical Asd, Inc. | PID coefficient adjustment for respiratory heater closed loop control |
| US7856967B2 (en) * | 2008-07-17 | 2010-12-28 | Honda Motor Co., Ltd. | Method of determining ambient pressure for fuel injection |
| US8511651B2 (en) | 2011-03-29 | 2013-08-20 | Smiths Medical Asd, Inc. | Heater unit humidification chamber monitor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5596339A (en) * | 1979-01-13 | 1980-07-22 | Nippon Denso Co Ltd | Air-fuel ratio control method |
| JPS58204942A (ja) * | 1982-05-24 | 1983-11-29 | Nippon Denso Co Ltd | 空燃比制御方法 |
| JPS5825540A (ja) * | 1981-08-10 | 1983-02-15 | Nippon Denso Co Ltd | 空燃比制御方法 |
| DE3500608A1 (de) * | 1985-01-10 | 1986-07-10 | Atlas Fahrzeugtechnik GmbH, 5980 Werdohl | Gemischregelung fuer verbrennungsmotoren |
| EP0187649B1 (de) * | 1985-01-10 | 1990-08-08 | Atlas Fahrzeugtechnik GmbH | Gemischregelungsvorrichtung für einen Verbrennungsmotor |
| JP2601455B2 (ja) * | 1986-04-24 | 1997-04-16 | 本田技研工業株式会社 | 内燃エンジンの空燃比制御方法 |
| JPS6375327A (ja) * | 1986-09-19 | 1988-04-05 | Japan Electronic Control Syst Co Ltd | 内燃機関の燃料供給制御装置 |
| JP2514608B2 (ja) * | 1986-10-08 | 1996-07-10 | 三菱電機株式会社 | 内燃機関の空燃比制御装置 |
-
1988
- 1988-07-27 JP JP63188805A patent/JPH0237147A/ja active Pending
-
1989
- 1989-05-29 KR KR1019890007156A patent/KR930005157B1/ko not_active Expired - Lifetime
- 1989-06-15 US US07/366,794 patent/US5053968A/en not_active Expired - Lifetime
- 1989-07-07 DE DE3922448A patent/DE3922448C2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237147A (ja) | 1990-02-07 |
| US5053968A (en) | 1991-10-01 |
| DE3922448C2 (de) | 1994-05-11 |
| KR900001959A (ko) | 1990-02-27 |
| DE3922448A1 (de) | 1990-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19890529 |
|
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19890529 Comment text: Request for Examination of Application |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19920327 Patent event code: PE09021S01D |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19921027 Patent event code: PE09021S01D |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19930524 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19930825 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19930907 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
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| EXPY | Expiration of term | ||
| PC1801 | Expiration of term |