JPS648540U - - Google Patents
Info
- Publication number
- JPS648540U JPS648540U JP10230787U JP10230787U JPS648540U JP S648540 U JPS648540 U JP S648540U JP 10230787 U JP10230787 U JP 10230787U JP 10230787 U JP10230787 U JP 10230787U JP S648540 U JPS648540 U JP S648540U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- operating
- control
- fuel
- 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 9
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の基本概念図、第２〜６図は本
考案の一実施例を示す図であり、第２図はその全
体構成図、第３図はそのコントロールユニツトの
回路構成図、第４図はその絞弁の操作速度を演算
するプログラムを示すフローチヤート、第５図は
その空燃比制御のプログラムを示すフローチヤー
ト、第６図はその各部の作用を説明するための波
形図、第７図は従来の内燃機関の空燃比制御装置
を示すその各部の作用を説明するための波形図で
ある。
１……エンジン、７……インジエクタ（操作手
段）、１６……絞弁開度センサ（開度検出手段）
、２３……コントロールユニツト（操作速度演算
手段、制御手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 6 are diagrams showing an embodiment of the invention, Fig. 2 is a diagram of its overall configuration, and Fig. 3 is a circuit diagram of its control unit. FIG. 4 is a flowchart showing a program for calculating the operating speed of the throttle valve, FIG. 5 is a flowchart showing a program for controlling the air-fuel ratio, and FIG. 6 is a waveform diagram for explaining the action of each part. FIG. 7 is a waveform chart showing the operation of each part of a conventional air-fuel ratio control device for an internal combustion engine. 1... Engine, 7... Injector (operating means), 16... Throttle valve opening sensor (opening detection means)
, 23...control unit (operation speed calculation means, control means).
Claims (1)
段と、 ｂ 絞弁の開度を検出する開度検出手段と、 ｃ 絞弁の開度の変化量から絞弁の操作速度を演
算する操作速度演算手段と、 ｄ 空燃比検出手段の出力に基づいて吸入混合気
の空燃比が目標空燃比となるように吸入空気ある
いは燃料の供給量をフイードバツク制御するとと
もに、前記操作速度が所定値以上になると所定期
間の間前記フイードバツク制御を停止し、オープ
ン制御に切り換える制御手段と、 ｅ 制御手段の出力に基づいて空燃比を変えるよ
うに吸入空気あるいは燃料の供給量を操作する操
作手段と、 を備えたことを特徴とする内燃機関の空燃比制御
装置。[Scope of Claim for Utility Model Registration] a. Air-fuel ratio detection means for detecting the air-fuel ratio of the intake air-fuel mixture; b. Opening detection means for detecting the opening of the throttle valve; c. an operation speed calculation means for calculating the operation speed of the valve; control means for stopping the feedback control for a predetermined period and switching to open control when the operating speed exceeds a predetermined value; e. controlling the supply amount of intake air or fuel to change the air-fuel ratio based on the output of the control means; An air-fuel ratio control device for an internal combustion engine, comprising: an operating means for operating; and an air-fuel ratio control device for an internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10230787U JPS648540U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10230787U JPS648540U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648540U true JPS648540U (en) | 1989-01-18 |
Family
ID=31332099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10230787U Pending JPS648540U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648540U (en) |
-
1987
- 1987-07-02 JP JP10230787U patent/JPS648540U/ja active Pending
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