JPH0325837U - - Google Patents
Info
- Publication number
- JPH0325837U JPH0325837U JP8647489U JP8647489U JPH0325837U JP H0325837 U JPH0325837 U JP H0325837U JP 8647489 U JP8647489 U JP 8647489U JP 8647489 U JP8647489 U JP 8647489U JP H0325837 U JPH0325837 U JP H0325837U
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- setting
- feedback correction
- correction amount
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- 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図は同上の作用を説明するた
めの図である。
１…制御装置、２…回転速度センサ、３…エア
フローメータ、５…酸素センサ、６…アイドルス
イツチ、７…燃料噴射弁、８…駆動回路。
Fig. 1 is a diagram corresponding to 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 Fig. 4 is a diagram for explaining the operation of the same. . DESCRIPTION OF SYMBOLS 1...Control device, 2...Rotational speed sensor, 3...Air flow meter, 5...Oxygen sensor, 6...Idle switch, 7...Fuel injection valve, 8...Drive circuit.
Claims (1)
定する基本燃料供給量設定手段と、機関の実際の
空燃比を検出する空燃比検出手段と、非アイドル
運転時に前記空燃比検出手段により検出された空
燃比が目標空燃比になるように第１フイードバツ
ク補正量を設定する第１フイードバツク補正量設
定手段と、アイドル運転時に前記空燃比検出手段
により検出された空燃比が目標空燃比になるよう
に前記第１フイードバツク補正量よりフイードバ
ツク制御周期が長くなるように第２フイードバツ
ク補正量を設定する第２フイードバツク補正量設
定手段と、前記基本燃料供給量と第１若しくは第
２フイードバツク補正量とに基づいて燃量供給量
を設定する燃料供給量設定手段と、設定された燃
料供給量に基づいて燃料供給手段を駆動制御する
駆動制御手段と、を備えたことを特徴とする内燃
機関の空燃比制御装置。 basic fuel supply amount setting means for setting a basic fuel supply amount based on the operating state of the engine; air-fuel ratio detection means for detecting the actual air-fuel ratio of the engine; and air-fuel ratio detection means for detecting the actual air-fuel ratio of the engine during non-idling operation a first feedback correction amount setting means for setting a first feedback correction amount so that the air-fuel ratio becomes a target air-fuel ratio; and a first feedback correction amount setting means for setting a first feedback correction amount so that the air-fuel ratio becomes the target air-fuel ratio; a second feedback correction amount setting means for setting a second feedback correction amount so that the feedback control period is longer than the first feedback correction amount; 1. An air-fuel ratio control device for an internal combustion engine, comprising: a fuel supply amount setting means for setting a fuel supply amount; and a drive control means for driving and controlling the fuel supply means based on the set fuel supply amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8647489U JPH0325837U (en) | 1989-07-25 | 1989-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8647489U JPH0325837U (en) | 1989-07-25 | 1989-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325837U true JPH0325837U (en) | 1991-03-18 |
Family
ID=31636019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8647489U Pending JPH0325837U (en) | 1989-07-25 | 1989-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325837U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217745A (en) * | 1982-06-09 | 1983-12-17 | Nippon Denso Co Ltd | Air-fuel ratio control method for internal-combustion engine |
-
1989
- 1989-07-25 JP JP8647489U patent/JPH0325837U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217745A (en) * | 1982-06-09 | 1983-12-17 | Nippon Denso Co Ltd | Air-fuel ratio control method for internal-combustion engine |