JPH0261152U - - Google Patents
Info
- Publication number
- JPH0261152U JPH0261152U JP14076688U JP14076688U JPH0261152U JP H0261152 U JPH0261152 U JP H0261152U JP 14076688 U JP14076688 U JP 14076688U JP 14076688 U JP14076688 U JP 14076688U JP H0261152 U JPH0261152 U JP H0261152U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- combustion
- pressure
- crank angle
- 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 14
- 238000001514 detection method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案の基本概念図、第２〜１０図は
本考案に係る内燃機関の燃焼制御装置の第１実施
例を示す図であり、第２図はその全体構成図、第
３図Ａはその圧力センサの平面図、第３図Ｂはそ
の圧力センサの第３図ＡにおけるＸ―Ｘ矢視断面
図、第４図はその圧力センサを点火プラグに取付
けた状態を示す一部断面図、第５図はそのコント
ロールユニツトのブロツク図、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
はそのＰｉを求めるためのシリンダ内圧力の波形
を示す図、第８図はその水温増量補正量Ｆｔの特
性を示す図、第９図はその高負荷時補正係数ＫＭ
Ｒのテーブルマツプを示す図、第１０図はそのバ
ツテリ電圧補正量Ｔｓの特性を示す図、第１１図
は本考案に係る内燃機関の燃焼制御装置の第２実
施例の燃焼制御のプログラムを示すフローチヤー
トである。
１……エンジン、８……インジエクタ（操作手
段）、１４……点火手段、２２……クランク角セ
ンサ（クランク角検出手段）、２４……圧力セン
サ（圧力検出手段）、２６……運転状態検出手段
、３０……コントロールユニツト（有効圧演算手
段、制御手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 10 are diagrams showing a first embodiment of a combustion control device for an internal combustion engine according to the present invention, Fig. 2 is an overall configuration diagram thereof, and Fig. 3 is a diagram showing a first embodiment of the combustion control device for an internal combustion engine according to the present invention. A is a plan view of the pressure sensor, FIG. 3B is a cross-sectional view of the pressure sensor taken along the line X-X in FIG. 3A, and FIG. 4 is a partial cross-section showing the pressure sensor attached to the spark plug. 5 is a block diagram of the control unit, FIG. 6 is a flowchart showing the combustion control program, FIG. 7 is a diagram showing the waveform of the cylinder pressure for determining Pi, and FIG. A diagram showing the characteristics of the water temperature increase correction amount Ft, Figure 9 is the correction coefficient KM at high load.
FIG. 10 is a diagram showing the characteristics of the battery voltage correction amount Ts, and FIG. 11 is a diagram showing a combustion control program of a second embodiment of the combustion control device for an internal combustion engine according to the present invention. It is a flowchart. DESCRIPTION OF SYMBOLS 1... Engine, 8... Injector (operating means), 14... Ignition means, 22... Crank angle sensor (crank angle detection means), 24... Pressure sensor (pressure detection means), 26... Operating state detection Means, 30...control unit (effective pressure calculation means, control means).
Claims (1)
段と、 (b) エンジンのクランク角を検出するクランク
角検出手段と、 (c) 圧縮上死点から排気下死点までのクランク
角範囲における圧力検出手段の出力に基づいて図
示平均有効圧を演算する有効圧演算手段と、 (d) 有効圧演算手段により演算された図示平均
有効圧に基づいてエンジンの燃焼状態を制御する
制御値を演算する制御手段と、 (e) 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] (a) Pressure detection means for detecting the combustion pressure of the engine; (b) Crank angle detection means for detecting the crank angle of the engine; (c) From compression top dead center to exhaust bottom dead center. (d) effective pressure calculation means for calculating an indicated average effective pressure based on the output of the pressure detection means in the crank angle range up to the point; and (d) a combustion state of the engine based on the indicated average effective pressure calculated by the effective pressure calculation means. A combustion control device for an internal combustion engine, comprising: (e) a control means for calculating a control value for controlling a combustion state; and (e) an operation means for manipulating a parameter related to a combustion state based on an output of the control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14076688U JPH0261152U (en) | 1988-10-27 | 1988-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14076688U JPH0261152U (en) | 1988-10-27 | 1988-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261152U true JPH0261152U (en) | 1990-05-07 |
Family
ID=31405241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14076688U Pending JPH0261152U (en) | 1988-10-27 | 1988-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261152U (en) |
-
1988
- 1988-10-27 JP JP14076688U patent/JPH0261152U/ja active Pending