JPS63198473U - - Google Patents
Info
- Publication number
- JPS63198473U JPS63198473U JP8933187U JP8933187U JPS63198473U JP S63198473 U JPS63198473 U JP S63198473U JP 8933187 U JP8933187 U JP 8933187U JP 8933187 U JP8933187 U JP 8933187U JP S63198473 U JPS63198473 U JP S63198473U
- Authority
- JP
- Japan
- Prior art keywords
- combustion
- ignition timing
- engine
- detecting
- detection means
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Electrical Control Of Ignition Timing (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の基本概念図、第２〜９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図はその各部信号波形を示す波形
図、第４図はその図示平均有効圧と回転変動との
関係を説明するための特性図、第５図はその回転
変動検出のプログラムを示すフローチヤート、第
６図はその燃焼制御のプログラムを示すフローチ
ヤート、第７図はその平均偏差と点火時期補正量
との関係を説明するための特性図、第８図はその
作用を説明するための回転変動の変化を示す特性
図、第９図はその効果を説明するための図示平均
有効圧と回転変動との関係を示す特性図である。
１……クランク角センサ（クランク角検出手段
）、２……コントロールユニツト（燃焼状態検出
手段、点火時期設定手段）、７……アイドルスイ
ツチ（アイドル検出手段）、８……運転状態検出
手段、２１……点火手段。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 9 are diagrams showing one embodiment of the invention, Fig. 2 is its overall configuration diagram, and Fig. 3 is a waveform diagram showing signal waveforms of each part. , Fig. 4 is a characteristic diagram for explaining the relationship between the indicated mean effective pressure and rotation fluctuation, Fig. 5 is a flowchart showing the rotation fluctuation detection program, and Fig. 6 shows the combustion control program. Flowchart, Fig. 7 is a characteristic diagram to explain the relationship between the average deviation and the ignition timing correction amount, Fig. 8 is a characteristic diagram showing changes in rotational fluctuation to explain the effect, and Fig. 9 is a characteristic diagram to explain the relationship between the average deviation and the ignition timing correction amount. FIG. 2 is a characteristic diagram showing the relationship between indicated mean effective pressure and rotation fluctuation for explaining the effect. 1... Crank angle sensor (crank angle detection means), 2... Control unit (combustion state detection means, ignition timing setting means), 7... Idle switch (idle detection means), 8... Operating state detection means, 21 ...Ignition means.
Claims (1)
出手段と、 (b) エンジンのアイドル状態を検出するアイド
ル検出手段と、 (c) 燃焼行程にある気筒の判別が可能な信号お
よび所定の単位クランク角に対応する信号を出力
するクランク角検出手段と、 (d) エンジンがアイドル状態にあるとき、所定
クランク角毎にある区間の角速度を計測し、この
角速度の変化からそのとき燃焼行程にある気筒の
燃焼状態を検出する燃焼状態検出手段と、 (e) エンジンの運転状態に基づいて基本点火時
期を設定し、エンジンがアイドル状態に移行する
と各気筒の角速度の差の平均偏差を求め、この平
均偏差に応じて気筒毎に基本点火時期を補正する
点火時期設定手段と、 (f) 点火時期設定手段の出力に基づいて混合気
に点火する点火手段と、 を備えたことを特徴とする内燃機関の燃焼制御装
置。[Scope of Claim for Utility Model Registration] (a) Operating state detection means for detecting the operating state of the engine; (b) Idle detection means for detecting the idle state of the engine; (c) Discrimination of the cylinder in the combustion stroke. (d) when the engine is in an idling state, measuring the angular velocity in a certain section at every predetermined crank angle and detecting changes in the angular velocity; (e) a combustion state detection means for detecting the combustion state of the cylinders in the combustion stroke at that time; (f) ignition timing setting means for determining the average deviation of the ignition timing and correcting the basic ignition timing for each cylinder according to the average deviation; and (f) ignition means for igniting the air-fuel mixture based on the output of the ignition timing setting means. A combustion control device for an internal combustion engine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933187U JPS63198473U (en) | 1987-06-09 | 1987-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8933187U JPS63198473U (en) | 1987-06-09 | 1987-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198473U true JPS63198473U (en) | 1988-12-21 |
Family
ID=30948227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8933187U Pending JPS63198473U (en) | 1987-06-09 | 1987-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198473U (en) |
-
1987
- 1987-06-09 JP JP8933187U patent/JPS63198473U/ja active Pending