JPH02105554U - - Google Patents
Info
- Publication number
- JPH02105554U JPH02105554U JP1304489U JP1304489U JPH02105554U JP H02105554 U JPH02105554 U JP H02105554U JP 1304489 U JP1304489 U JP 1304489U JP 1304489 U JP1304489 U JP 1304489U JP H02105554 U JPH02105554 U JP H02105554U
- Authority
- JP
- Japan
- Prior art keywords
- amount
- intake air
- fuel supply
- engine load
- calculating
- 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 7
- 238000001514 detection method Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 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
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示すシステム概略図、第
３図〜第６図はそれぞれ同上実施例における制御
内容を示すフローチヤート、第７図は同上実施例
における制御特性を説明するためのタイムチヤー
ト、第８図は従来の問題点を説明するためのタイ
ムチヤートである。
１……機関、７……スロツトル弁、８……スロ
ツトルセンサ、９……吸気圧センサ、１０……燃
料噴射弁、１１……コントロールユニツト、１５
……クランク角センサ。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a block diagram showing the configuration of the present invention.
The figure is a system schematic diagram showing an embodiment of the present invention, Figures 3 to 6 are flowcharts showing control details in the above embodiment, and Figure 7 is a time chart for explaining control characteristics in the above embodiment. Chart FIG. 8 is a time chart for explaining the conventional problems. DESCRIPTION OF SYMBOLS 1... Engine, 7... Throttle valve, 8... Throttle sensor, 9... Intake pressure sensor, 10... Fuel injection valve, 11... Control unit, 15
...Crank angle sensor.
Claims (1)
検出する吸入空気状態量検出手段と、 前記検出された吸入空気の状態量を少なくとも
含む機関運転状態に基づいて燃料供給量を演算す
る燃料供給量演算手段と、 前記吸入空気状態量検出手段による吸入空気状
態量の最新検出時から所定クランク角位置までの
所要時間を推定演算する時間演算手段と、 可変制御される機関吸気系の開口面積と機関回
転速度とに基づいて機関負荷に関連するパラメー
タを演算する機関負荷パラメータ演算手段と、 前記演算された機関負荷パラメータの変化量を
演算する機関負荷パラメータ変化量演算手段と、 前記演算された所定クランク角位置までの所要
時間と機関負荷パラメータの変化量とに基づいて
吸入空気の状態量の最新検出時から所定クランク
角位置までの機関負荷の推定変化量に見合つた燃
料供給量の補正量を演算する補正量演算手段と、 前記演算された燃料供給量及び補正量に基づい
て燃料供給手段を駆動制御する燃料供給制御手段
と、 を含んで構成したことを特徴とする内燃機関の
燃料供給制御装置。[Claims for Utility Model Registration] Intake air state quantity detection means for detecting a state quantity of intake air related to the amount of intake air in the engine; a fuel supply amount calculation means for calculating the supply amount; a time calculation means for estimating and calculating the time required from the latest detection of the intake air state quantity by the intake air state quantity detection means to a predetermined crank angle position; an engine load parameter calculation means for calculating parameters related to the engine load based on the opening area of the engine intake system and the engine rotational speed; and an engine load parameter change amount calculation means for calculating the amount of change in the calculated engine load parameter. and, based on the calculated time required to reach the predetermined crank angle position and the amount of change in the engine load parameter, the amount of change in the engine load from the latest detection of the state quantity of the intake air to the predetermined crank angle position is calculated. A correction amount calculation means for calculating a correction amount of the fuel supply amount; and a fuel supply control means for driving and controlling the fuel supply means based on the calculated fuel supply amount and correction amount. Fuel supply control device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1304489U JPH02105554U (en) | 1989-02-08 | 1989-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1304489U JPH02105554U (en) | 1989-02-08 | 1989-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02105554U true JPH02105554U (en) | 1990-08-22 |
Family
ID=31223022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1304489U Pending JPH02105554U (en) | 1989-02-08 | 1989-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02105554U (en) |
-
1989
- 1989-02-08 JP JP1304489U patent/JPH02105554U/ja active Pending