JPH0269039U - - Google Patents
Info
- Publication number
- JPH0269039U JPH0269039U JP14725288U JP14725288U JPH0269039U JP H0269039 U JPH0269039 U JP H0269039U JP 14725288 U JP14725288 U JP 14725288U JP 14725288 U JP14725288 U JP 14725288U JP H0269039 U JPH0269039 U JP H0269039U
- Authority
- JP
- Japan
- Prior art keywords
- state
- engine
- combustion
- correction amount
- parameter
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図Ａは第１の考案の基本概念図、第１図Ｂ
は第２の考案の基本概念図、第２〜６図は第１の
考案に係る内燃機関の燃焼制御装置の一実施例を
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
回転変動検出のプログラムを示すフローチヤート
、第５図はその平均有効圧と回転変動との関係を
示す特性図、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図は第２の考案に係
る内燃機関の燃焼制御装置の一実施例を示すその
燃焼制御のプログラム示すフローチヤート、第８
図は従来の内燃機関の燃焼制御装置の燃焼制御の
プログラムを示すフローチヤートである。
２……コントロールユニツト（基本値設定手段
、補正値演算手段、制御手段）、７……アイドル
スイツチ（アイドル検出手段）、１０……運転状
態検出手段、１１……燃焼状態検出手段、３１…
…点火手段（操作手段）。
Figure 1A is the basic conceptual diagram of the first idea, Figure 1B
2 is a basic conceptual diagram of the second invention, FIGS. 2 to 6 are diagrams showing an embodiment of the combustion control device for an internal combustion engine according to the first invention, FIG. 2 is an overall configuration diagram thereof, and FIG. 4 is a flowchart showing the program for detecting rotational fluctuations, FIG. 5 is a characteristic diagram showing the relationship between the average effective pressure and rotational fluctuation, and FIG. 6 is a diagram showing the combustion. Flowchart showing a control program, FIG. 7 is a flowchart showing a combustion control program showing an embodiment of the combustion control device for an internal combustion engine according to the second invention.
The figure is a flowchart showing a combustion control program of a conventional combustion control device for an internal combustion engine. 2...Control unit (basic value setting means, correction value calculation means, control means), 7...Idle switch (idle detection means), 10...Operating state detection means, 11...Combustion state detection means, 31...
...Ignition means (operating means).
Claims (1)
態検出手段と、 (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) 各気筒の燃焼状態を検出する燃焼状態検
出手段と、 (d) 少なくともエンジンがアイドル状態にあ
るとき、エンジンの運転状態に基づいて燃焼状態
を制御するパラメータの基本値を気筒毎に設定す
る基本値設定手段と、 (e) エンジンがアイドル状態に移行したとき
、燃焼状態検出手段の出力に基づいて燃焼状態を
制御するパラメータが所定の目標状態となるよう
に該パラメータの基本値を補正する補正量を気筒
毎に設定するとともに、エンジン始動後の所定時
期から所定期間における該補正量の平均値を次回
の始動時の補正量の初期値とする補正量演算手段
と、 (f) エンジンが始動するとき前記パラメータ
の基本値を前記補正量の初期値に基づいて補正し
、アイドル状態に移行すると前記パラメータの基
本値を気筒毎に前記補正量に基づき補正して燃焼
状態を制御する制御手段と、 (g) 制御手段の出力に基づいて燃焼状態に関
連するパラメータ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燃焼制御
装置。 (2) (a) 少なくともエンジンの冷却水温を含ん
で、エンジンの運転状態を検出する運転状態検出
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) 各気筒の燃焼状態を検出する燃焼状態検
出手段と、 (d) 少なくともエンジンがアイドル状態にあ
るとき、エンジンの運転状態に基づいて燃焼状態
を制御するパラメータの基本値を気筒毎に設定す
る基本値設定手段と、 (e) エンジンがアイドル状態に移行したとき
、燃焼状態検出手段の出力に基づいて燃焼状態を
制御するパラメータが所定の目標状態となるよう
に該パラメータの基本値を補正する補正量を気筒
毎に設定するとともに、冷却水温に対する最新補
正量で平均した気筒毎の補正量を冷却水温に応じ
て記憶する補正量演算手段と、 (f) エンジンが始動するとき、そのときの冷
却水温に対応する前記補正量を初期値として前記
パラメータの基本値を補正し、アイドル状態に移
行すると前記パラメータの基本値を気筒毎に前記
補正量に基づき補正して燃焼状態を制御する制御
手段と、 (g) 制御手段の出力に基づいて燃焼状態に関
連するパラメータ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燃焼制御
装置。[Scope of claim for utility model registration] (1) (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) Combustion state of each cylinder (d) basic value setting means for setting basic values of parameters for controlling the combustion state for each cylinder based on the operating state of the engine, at least when the engine is in an idle state; e) When the engine shifts to an idle state, a correction amount is set for each cylinder to correct the basic value of the parameter that controls the combustion state so that the parameter that controls the combustion state reaches a predetermined target state based on the output of the combustion state detection means. and (f) a correction amount calculating means that sets the average value of the correction amount for a predetermined period from a predetermined time after engine startup as an initial value of the correction amount at the next startup; (g) control means for correcting the basic value of the parameter based on the initial value of the correction amount, and correcting the basic value of the parameter for each cylinder based on the correction amount when the idle state is entered, to control the combustion state; A combustion control device for an internal combustion engine, comprising: an operating means for operating a parameter related to a combustion state based on the output of the combustion engine. (2) (a) Operating state detection means for detecting the operating state of the engine, including at least the engine cooling water temperature; (b) Idle detection means for detecting the idle state of the engine; and (c) Combustion of each cylinder. (d) basic value setting means for setting basic values of parameters for controlling the combustion state for each cylinder based on the operating state of the engine, at least when the engine is in an idling state; (e) When the engine shifts to an idle state, a correction amount is set for each cylinder to correct the basic value of the parameter that controls the combustion state so that the parameter that controls the combustion state reaches a predetermined target state based on the output of the combustion state detection means. (f) when the engine starts, the correction amount calculation means stores the correction amount for each cylinder averaged by the latest correction amount for the cooling water temperature; (g) control means for correcting the basic value of the parameter using the correction amount as an initial value, and correcting the basic value of the parameter for each cylinder based on the correction amount when transitioning to an idle state to control the combustion state; 1. A combustion control device for an internal combustion engine, comprising: operating means for manipulating parameters related to a combustion state based on the output of the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14725288U JPH068298Y2 (en) | 1988-11-11 | 1988-11-11 | Ignition timing control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14725288U JPH068298Y2 (en) | 1988-11-11 | 1988-11-11 | Ignition timing control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269039U true JPH0269039U (en) | 1990-05-25 |
| JPH068298Y2 JPH068298Y2 (en) | 1994-03-02 |
Family
ID=31417481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14725288U Expired - Lifetime JPH068298Y2 (en) | 1988-11-11 | 1988-11-11 | Ignition timing control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068298Y2 (en) |
-
1988
- 1988-11-11 JP JP14725288U patent/JPH068298Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068298Y2 (en) | 1994-03-02 |
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