JPH0228700B2 - - Google Patents
Info
- Publication number
- JPH0228700B2 JPH0228700B2 JP59106460A JP10646084A JPH0228700B2 JP H0228700 B2 JPH0228700 B2 JP H0228700B2 JP 59106460 A JP59106460 A JP 59106460A JP 10646084 A JP10646084 A JP 10646084A JP H0228700 B2 JPH0228700 B2 JP H0228700B2
- Authority
- JP
- Japan
- Prior art keywords
- correction coefficient
- fuel ratio
- air
- injection amount
- learning
- 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 claims description 91
- 238000002347 injection Methods 0.000 claims description 61
- 239000007924 injection Substances 0.000 claims description 61
- 238000004092 self-diagnosis Methods 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 12
- 238000001514 detection method Methods 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
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
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
-
- 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
- F02D41/22—Safety or indicating devices for abnormal 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
- F02D41/24—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
-
- 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
- F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
- F02D41/2483—Methods of calibrating or learning characterised by the method used for learning restricting learned values
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10646084A JPS60252133A (ja) | 1984-05-28 | 1984-05-28 | 電子制御燃料噴射式内燃機関における学習機能付空燃比制御装置の自己診断装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10646084A JPS60252133A (ja) | 1984-05-28 | 1984-05-28 | 電子制御燃料噴射式内燃機関における学習機能付空燃比制御装置の自己診断装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60252133A JPS60252133A (ja) | 1985-12-12 |
| JPH0228700B2 true JPH0228700B2 (bs) | 1990-06-26 |
Family
ID=14434190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10646084A Granted JPS60252133A (ja) | 1984-05-28 | 1984-05-28 | 電子制御燃料噴射式内燃機関における学習機能付空燃比制御装置の自己診断装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60252133A (bs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2712593B2 (ja) * | 1989-07-18 | 1998-02-16 | 本田技研工業株式会社 | 内燃エンジン制御装置の故障検知方法 |
| KR100373023B1 (ko) * | 2000-10-06 | 2003-02-25 | 기아자동차주식회사 | 엠에이피 센서 고장 판정방법 |
| JP5021564B2 (ja) * | 2008-06-04 | 2012-09-12 | ボッシュ株式会社 | 噴射異常検出方法及びコモンレール式燃料噴射制御装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138438A (en) * | 1980-03-28 | 1981-10-29 | Nippon Denso Co Ltd | Control method of air-fuel ratio |
-
1984
- 1984-05-28 JP JP10646084A patent/JPS60252133A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138438A (en) * | 1980-03-28 | 1981-10-29 | Nippon Denso Co Ltd | Control method of air-fuel ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60252133A (ja) | 1985-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |