JPS62183045U - - Google Patents
Info
- Publication number
- JPS62183045U JPS62183045U JP7119686U JP7119686U JPS62183045U JP S62183045 U JPS62183045 U JP S62183045U JP 7119686 U JP7119686 U JP 7119686U JP 7119686 U JP7119686 U JP 7119686U JP S62183045 U JPS62183045 U JP S62183045U
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- correction coefficient
- feedback correction
- injection amount
- engine
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims 3
- 230000001133 acceleration Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案の一実施例を示す構成図、第３図は同上のフ
ローチヤート、第４図及び第５図は同上の作用を
説明するための図、第６図及び第７図は空燃比制
御装置の従来例を説明するための図である。
１……制御装置、２……回転センサ、４……酸
素センサ、５……吸気絞弁開度センサ、６……燃
料噴射弁、７……駆動回路。
Fig. 1 is a diagram corresponding to the claims of the present invention, Fig. 2 is a configuration diagram showing an embodiment of the present invention, Fig. 3 is a flowchart of the same, and Figs. 4 and 5 are for explaining the operation of the same. , FIG. 6, and FIG. 7 are diagrams for explaining conventional examples of air-fuel ratio control devices. DESCRIPTION OF SYMBOLS 1... Control device, 2... Rotation sensor, 4... Oxygen sensor, 5... Intake throttle valve opening sensor, 6... Fuel injection valve, 7... Drive circuit.
Claims (1)
と、機関の吸気絞弁の開弁速度を検出する開弁速
度検出手段と、機関回転数を検出する回転数検出
手段と、機関運転状態を検出する運転状態検出手
段と、機関運転状態に応じて基本噴射量を設定す
る基本噴射量設定手段と、検出された運転状態が
加・減速運転か定常運転かを判定する運転状態判
定手段と、加・減速運転判定時には前記実際の空
燃比と前記吸気絞弁の開弁速度とに基づいて実際
の空燃比が目標空燃比になるようにフイードバツ
ク補正係数を設定する第１フイードバツク補正係
数設定手段と、正常運転時には実際の空燃比と機
関回転数とに基づいて実際の空燃比が目標空燃比
になるようにフイードバツク補正係数を設定する
第２フイードバツク補正係数設定手段と、第１若
しくは第２フイードバツク補正係数設定手段のフ
イードバツク補正係数と前記基本噴射量とに基づ
いて燃料噴射量を演算する燃料噴射量演算手段と
、演算された燃料噴射量に応じた噴射パルス信号
を燃料噴射弁に出力する出力手段と、を備えたこ
とを特徴とする電子制御燃料噴射式内燃機関の空
燃比制御装置。 an air-fuel ratio detection means for detecting the actual air-fuel ratio of the engine; a valve-opening speed detection means for detecting the opening speed of the intake throttle valve of the engine; a rotation speed detection means for detecting the engine speed; An operating state detecting means for detecting, a basic injection amount setting means for setting a basic injection amount according to the engine operating state, an operating state determining means for determining whether the detected operating state is acceleration/deceleration operation or steady operation; a first feedback correction coefficient setting means for setting a feedback correction coefficient so that the actual air-fuel ratio becomes a target air-fuel ratio based on the actual air-fuel ratio and the opening speed of the intake throttle valve when determining acceleration/deceleration operation; , a second feedback correction coefficient setting means for setting a feedback correction coefficient so that the actual air-fuel ratio becomes the target air-fuel ratio based on the actual air-fuel ratio and the engine speed during normal operation; and a first or second feedback correction coefficient. fuel injection amount calculation means for calculating the fuel injection amount based on the feedback correction coefficient of the coefficient setting means and the basic injection amount; and output means for outputting an injection pulse signal according to the calculated fuel injection amount to the fuel injection valve. An air-fuel ratio control device for an electronically controlled fuel injection internal combustion engine, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119686U JPS62183045U (en) | 1986-05-14 | 1986-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119686U JPS62183045U (en) | 1986-05-14 | 1986-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62183045U true JPS62183045U (en) | 1987-11-20 |
Family
ID=30913529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7119686U Pending JPS62183045U (en) | 1986-05-14 | 1986-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183045U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685540A (en) * | 1979-12-13 | 1981-07-11 | Fuji Heavy Ind Ltd | Air-fuel ratio controlling device |
| JPS5799246A (en) * | 1980-10-18 | 1982-06-19 | Bosch Gmbh Robert | Fuel supply control apparatus of internal combustion engine |
| JPS5825543A (en) * | 1981-08-10 | 1983-02-15 | Toyota Motor Corp | Air-to-fuel ratio control method for internal combustion engine |
| JPS5932644A (en) * | 1982-08-16 | 1984-02-22 | Toyota Motor Corp | Air-fuel ratio controlling method for internal combustion engine |
-
1986
- 1986-05-14 JP JP7119686U patent/JPS62183045U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5685540A (en) * | 1979-12-13 | 1981-07-11 | Fuji Heavy Ind Ltd | Air-fuel ratio controlling device |
| JPS5799246A (en) * | 1980-10-18 | 1982-06-19 | Bosch Gmbh Robert | Fuel supply control apparatus of internal combustion engine |
| JPS5825543A (en) * | 1981-08-10 | 1983-02-15 | Toyota Motor Corp | Air-to-fuel ratio control method for internal combustion engine |
| JPS5932644A (en) * | 1982-08-16 | 1984-02-22 | Toyota Motor Corp | Air-fuel ratio controlling method for internal combustion engine |
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