JPH03112546U - - Google Patents
Info
- Publication number
- JPH03112546U JPH03112546U JP2173090U JP2173090U JPH03112546U JP H03112546 U JPH03112546 U JP H03112546U JP 2173090 U JP2173090 U JP 2173090U JP 2173090 U JP2173090 U JP 2173090U JP H03112546 U JPH03112546 U JP H03112546U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- learning
- supply amount
- fuel supply
- air density
- 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 12
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000002040 relaxant effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
エンジンの制御システム図、第２図は実施例にお
ける燃料噴射制御のフローチヤート図、第３，４
図が該制御で用いるマツプの説明図である。
１７……コントロールユニツト（燃料供給量設
定手段、学習手段、吸入吸気密度検出手段、学習
条件変更手段、ガード設定手段）。
The drawings show an embodiment of the present invention; Fig. 1 is an engine control system diagram, Fig. 2 is a flowchart of fuel injection control in the embodiment, and Fig. 3 and 4 are diagrams.
The figure is an explanatory diagram of a map used in the control. 17...Control unit (fuel supply amount setting means, learning means, intake air density detection means, learning condition changing means, guard setting means).
Claims (1)
る燃料供給量設定手段と、該設定手段によつて設
定される燃料供給量を所定の条件下で運転状態に
応じて変更する学習手段とを備えたエンジンの燃
料制御装置であつて、吸入空気密度を検出する吸
入空気密度検出手段と、この密度検出手段によつ
て検出された吸入空気密度に応じて上記学習手段
の学習条件を変更する学習条件変更手段とを有す
ることを特徴とするエンジンの燃料制御装置。 (2) 吸入空気量に基づいて燃料供給量を設定す
る燃料供給量設定手段と、該設定手段によつて設
定される燃料供給量を所定の条件下で運転状態に
応じて変更する学習手段と、該学習手段による燃
料供給量の変更時にその最大値を所定値以下に規
制するガード設定手段とを備えたエンジンの燃料
制御装置であつて、吸入空気密度を検出する吸入
空気密度検出手段と、この密度検出手段によつて
検出される吸入空気密度が大きくなつたときに、
上記学習手段による学習速度を早めると共に、上
記ガード設定手段により設定されるガード条件を
緩和させる学習条件変更手段とを有することを特
徴とするエンジンの燃料制御装置。[Scope of Claim for Utility Model Registration] (1) Fuel supply amount setting means for setting the fuel supply amount based on the intake air amount, and the fuel supply amount set by the setting means under the operating conditions under predetermined conditions. A fuel control device for an engine, comprising: an intake air density detection means for detecting the intake air density; and a learning means for changing the intake air density according to the intake air density detected by the density detection means. 1. A fuel control device for an engine, comprising learning condition changing means for changing learning conditions of the learning means. (2) a fuel supply amount setting means for setting the fuel supply amount based on the intake air amount; and a learning means for changing the fuel supply amount set by the setting means according to the operating state under predetermined conditions. , a guard setting means for regulating the maximum value to a predetermined value or less when the fuel supply amount is changed by the learning means, and an intake air density detection means for detecting the intake air density; When the intake air density detected by this density detection means increases,
A fuel control device for an engine, comprising learning condition changing means for accelerating the learning speed of the learning means and relaxing the guard conditions set by the guard setting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173090U JPH03112546U (en) | 1990-03-02 | 1990-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173090U JPH03112546U (en) | 1990-03-02 | 1990-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112546U true JPH03112546U (en) | 1991-11-18 |
Family
ID=31524762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2173090U Pending JPH03112546U (en) | 1990-03-02 | 1990-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112546U (en) |
-
1990
- 1990-03-02 JP JP2173090U patent/JPH03112546U/ja active Pending