JPH03104143U - - Google Patents
Info
- Publication number
- JPH03104143U JPH03104143U JP1240390U JP1240390U JPH03104143U JP H03104143 U JPH03104143 U JP H03104143U JP 1240390 U JP1240390 U JP 1240390U JP 1240390 U JP1240390 U JP 1240390U JP H03104143 U JPH03104143 U JP H03104143U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- rotation speed
- detection means
- flow rate
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
- 101001027622 Homo sapiens Protein adenylyltransferase FICD Proteins 0.000 description 1
- 102100037689 Protein adenylyltransferase FICD Human genes 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はクレーム対応図である。第２図〜第６
図は本考案に係るエンジンの回転数制御装置の一
実施例を説明するもので、第２図が全体構成図、
第３図がアイドル回転数制御のフローチヤート、
第４図がＩＳＣ実行のサブルーチンを示すフロー
チヤート、第５図が目標回転数が上昇する場合の
動作の特性を示す図、第６図が目標回転数が低下
する場合の動作の特性を示す図、第７図が従来の
エンジンの回転数制御装置の動作特性を示す図で
ある。
１……エンジン、２……吸気通路、３……排気
管、４……スロツトルバルブ、５……バイパス通
路、６……ＩＳＣバルブ、７……ＦＩＣＤバルブ
、８……コントロールユニツト、９……回転数セ
ンサ、１０……アイドルスイツチ、１１……負荷
変動検出スイツチ、１０１……回転数検出手段、
１０２……アイドル検出手段、１０３……負荷変
動検出手段、１０４……流量調節手段、１０５…
…制御手段。
FIG. 1 is a complaint correspondence diagram. Figures 2 to 6
The figure is for explaining one embodiment of the engine rotation speed control device according to the present invention, and FIG. 2 is an overall configuration diagram;
Figure 3 is a flowchart of idle speed control.
Figure 4 is a flowchart showing a subroutine for ISC execution, Figure 5 is a diagram showing the characteristics of operation when the target rotation speed increases, and Figure 6 is a diagram showing the characteristics of operation when the target rotation speed decreases. , FIG. 7 is a diagram showing the operating characteristics of a conventional engine rotation speed control device. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake passage, 3... Exhaust pipe, 4... Throttle valve, 5... Bypass passage, 6... ISC valve, 7... FICD valve, 8... Control unit, 9... ... rotation speed sensor, 10 ... idle switch, 11 ... load fluctuation detection switch, 101 ... rotation speed detection means,
102... Idle detection means, 103... Load fluctuation detection means, 104... Flow rate adjustment means, 105...
...control means.
Claims (1)
、 エンジンがアイドル状態にあることを検出する
アイドル検出手段と、 エンジンの負荷変動を検出する負荷変動検出手
段と、 エンジンの空気流量を調節し、エンジン回転数
を制御する流量調節手段と、 エンジンがアイドル状態にあるとき、目標回転
数となるように比例・積分制御により前記流量調
節手段の開度を制御する制御値を演算し、エンジ
ンの負荷が変動すると、積分項の変化率を一定時
間だけ変える制御手段とを備えたことを特徴とす
るエンジンの回転数制御装置。[Claims for Utility Model Registration] A rotation speed detection means for detecting the rotation speed of an engine; an idle detection means for detecting that the engine is in an idle state; a load fluctuation detection means for detecting load fluctuations of the engine; a flow rate adjustment means for adjusting the air flow rate of the engine and controlling the engine speed; and a control value for controlling the opening degree of the flow rate adjustment means by proportional/integral control so as to reach the target rotation speed when the engine is in an idle state. 1. An engine rotation speed control device, comprising: a control means for calculating the change rate of the integral term for a certain period of time when the engine load fluctuates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1240390U JPH03104143U (en) | 1990-02-09 | 1990-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1240390U JPH03104143U (en) | 1990-02-09 | 1990-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104143U true JPH03104143U (en) | 1991-10-29 |
Family
ID=31515885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1240390U Pending JPH03104143U (en) | 1990-02-09 | 1990-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104143U (en) |
-
1990
- 1990-02-09 JP JP1240390U patent/JPH03104143U/ja active Pending