JPS56126648A - Air-fuel ratio controlling apparatus - Google Patents
Air-fuel ratio controlling apparatusInfo
- Publication number
- JPS56126648A JPS56126648A JP2933180A JP2933180A JPS56126648A JP S56126648 A JPS56126648 A JP S56126648A JP 2933180 A JP2933180 A JP 2933180A JP 2933180 A JP2933180 A JP 2933180A JP S56126648 A JPS56126648 A JP S56126648A
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- center
- output
- wave
- 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.)
- Granted
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
- F02D41/24—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
- F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal
-
- 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
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2933180A JPS56126648A (en) | 1980-03-07 | 1980-03-07 | Air-fuel ratio controlling apparatus |
US06/240,639 US4402292A (en) | 1980-03-07 | 1981-03-05 | Air-fuel ratio control system |
DE19813108581 DE3108581C2 (de) | 1980-03-07 | 1981-03-06 | Regelsystem für das Kraftstoff-Luft-Verhältnis einer Verbrennungskraftmaschine |
GB8107063A GB2071362B (en) | 1980-03-07 | 1981-03-06 | Air-fuel ratio control system |
FR8104656A FR2477639B1 (fr) | 1980-03-07 | 1981-03-09 | Dispositif de commande du rapport air/carburant pour un moteur a combustion interne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2933180A JPS56126648A (en) | 1980-03-07 | 1980-03-07 | Air-fuel ratio controlling apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56126648A true JPS56126648A (en) | 1981-10-03 |
JPS6321017B2 JPS6321017B2 (ja) | 1988-05-02 |
Family
ID=12273237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2933180A Granted JPS56126648A (en) | 1980-03-07 | 1980-03-07 | Air-fuel ratio controlling apparatus |
Country Status (2)
Country | Link |
---|---|
US (1) | US4402292A (ja) |
JP (1) | JPS56126648A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59119052A (ja) * | 1982-12-25 | 1984-07-10 | Kogata Gas Reibou Gijutsu Kenkyu Kumiai | ガス機関の空燃比制御装置 |
JPS6093141A (ja) * | 1983-10-11 | 1985-05-24 | ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 内燃機関の空気燃料混合気形成方法 |
JPS6466441A (en) * | 1987-09-05 | 1989-03-13 | Toyota Motor Corp | Air-fuel ratio control device of internal combustion engine |
US5052177A (en) * | 1989-03-03 | 1991-10-01 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5070693A (en) * | 1989-11-21 | 1991-12-10 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5070692A (en) * | 1989-12-29 | 1991-12-10 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5172320A (en) * | 1989-03-03 | 1992-12-15 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5623533A (en) * | 1979-08-02 | 1981-03-05 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
DE3378698D1 (en) * | 1982-04-12 | 1989-01-19 | Hitachi Ltd | Oxygen concentration control system |
JPS58206848A (ja) * | 1982-05-28 | 1983-12-02 | Honda Motor Co Ltd | 内燃エンジンの排気ガス濃度検出系故障時の空燃比制御方法 |
GB8702460D0 (en) * | 1987-02-04 | 1987-03-11 | Lucas Elect Electron Syst | Electronic control system for i c engine |
JP2806501B2 (ja) * | 1987-03-23 | 1998-09-30 | 富士重工業株式会社 | エンジンの空燃比制御装置 |
US4867125A (en) * | 1988-09-20 | 1989-09-19 | Ford Motor Company | Air/fuel ratio control system |
US7082935B2 (en) * | 2004-10-14 | 2006-08-01 | General Motors Corporation | Apparatus and methods for closed loop fuel control |
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 |
US9157391B2 (en) | 2013-03-14 | 2015-10-13 | EMIT Technologies, Inc. | Systems and methods for controlling a combustion engine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5549550A (en) * | 1978-10-02 | 1980-04-10 | Aisan Ind Co Ltd | Air-fuel ratio control device |
JPS5623532A (en) * | 1979-08-02 | 1981-03-05 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
GB2056723B (en) * | 1979-08-02 | 1983-07-06 | Nissan Motor | Automatic control of air/fuel ratio in ic engines |
US4290400A (en) * | 1980-03-17 | 1981-09-22 | General Motors Corporation | Closed loop fuel control system for an internal combustion engine |
-
1980
- 1980-03-07 JP JP2933180A patent/JPS56126648A/ja active Granted
-
1981
- 1981-03-05 US US06/240,639 patent/US4402292A/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59119052A (ja) * | 1982-12-25 | 1984-07-10 | Kogata Gas Reibou Gijutsu Kenkyu Kumiai | ガス機関の空燃比制御装置 |
JPS6093141A (ja) * | 1983-10-11 | 1985-05-24 | ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 内燃機関の空気燃料混合気形成方法 |
JPS6466441A (en) * | 1987-09-05 | 1989-03-13 | Toyota Motor Corp | Air-fuel ratio control device of internal combustion engine |
US5052177A (en) * | 1989-03-03 | 1991-10-01 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5172320A (en) * | 1989-03-03 | 1992-12-15 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5070693A (en) * | 1989-11-21 | 1991-12-10 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
US5070692A (en) * | 1989-12-29 | 1991-12-10 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
Also Published As
Publication number | Publication date |
---|---|
US4402292A (en) | 1983-09-06 |
JPS6321017B2 (ja) | 1988-05-02 |
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