JPH01145960U - - Google Patents
Info
- Publication number
- JPH01145960U JPH01145960U JP4415388U JP4415388U JPH01145960U JP H01145960 U JPH01145960 U JP H01145960U JP 4415388 U JP4415388 U JP 4415388U JP 4415388 U JP4415388 U JP 4415388U JP H01145960 U JPH01145960 U JP H01145960U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- engine
- speed
- fuel supply
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 230000005856 abnormality Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の基本概念図、第２〜９図は本
考案の第１実施例を示す図であり、第２図はその
全体構造図、第３図はそのスロツトルセンサの具
体的構成を示す図、第４図はそのスロツトルセン
サの出力特性を示すグラフ、第５図はその燃料供
給制御のプログラムを示すフローチヤート、第６
図はそのＲｏａｄ Ｌｏａｄ曲線と等速度線とを
示す特性図、第７図はその等速度線を直線近似し
た場合のエンジン回転数と燃料供給量との関係を
示す図、第８図はその異常時の燃料供給量マツプ
、第９図はそのフイードバツク係数を説明するた
めの波形図、第１０図は本考案の第２実施例を示
すその燃料供給制御のプログラムを示すフローチ
ヤート、第１１図は本考案の第３実施例を示すそ
の燃料供給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、７……インジエクタ（燃料供
給手段）、３０……スロツトルセンサ（開度検出
手段）、４２……クランク角センサ（回転数検出
手段）、４６……車速センサ（車速検出手段）、
５０……コントロールユニツト（異常検出手段、
運転負荷演算手段、記憶手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 9 are diagrams showing the first embodiment of the invention, Fig. 2 is an overall structural diagram thereof, and Fig. 3 is a concrete diagram of the throttle sensor. Fig. 4 is a graph showing the output characteristics of the throttle sensor, Fig. 5 is a flowchart showing the fuel supply control program, and Fig. 6 is a diagram showing the configuration.
The figure is a characteristic diagram showing the Road Load curve and the constant velocity line, Figure 7 is a diagram showing the relationship between engine speed and fuel supply amount when the constant velocity line is approximated by a straight line, and Figure 8 is a diagram showing the abnormality. FIG. 9 is a waveform diagram for explaining the feedback coefficient, FIG. 10 is a flowchart showing the fuel supply control program showing the second embodiment of the present invention, and FIG. It is a flow chart showing a fuel supply control program showing a third embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Engine, 7... Injector (fuel supply means), 30... Throttle sensor (opening detection means), 42... Crank angle sensor (rotation speed detection means), 46... Vehicle speed sensor (vehicle speed detection means) ),
50...Control unit (abnormality detection means,
operating load calculation means, storage means).
Claims (1)
段と、 (c) 車両の速度を検出する車速検出手段と、 (d) 開度検出手段の異常を検出する異常検出手
段と、 (e) 絞弁の開度とエンジン回転数とからエンジ
ンの運転負荷を演算する運転負荷演算手段と、 (f) エンジン回転数および車速をパラメータと
して所定の運転領域毎に燃料供給量を設定、記憶
する記憶手段と、 (g) エンジンの運転負荷および回転数に基づい
て燃料供給量を演算するとともに、開度検出手段
の出力が異常であるとき、エンジン回転数および
車速に基づき該当する運転領域から燃料供給量を
読み出す供給量演算手段と、 (h) 供給量演算手段の出力に基づいてエンジン
に燃料を供給する燃料供給手段と、 を備えたことを特徴とする内燃機関の燃料供給
制御装置。[Scope of claim for utility model registration] (a) An opening detection means for detecting the opening of a throttle valve, (b) A rotation speed detection means for detecting the engine rotation speed, and (c) A rotation speed detection means for detecting the speed of a vehicle. vehicle speed detection means; (d) abnormality detection means for detecting an abnormality in the opening degree detection means; (e) operating load calculation means for calculating the operating load of the engine from the opening degree of the throttle valve and the engine rotational speed; f) A storage means for setting and storing the fuel supply amount for each predetermined operating range using engine speed and vehicle speed as parameters; (g) Calculating the fuel supply amount based on the engine operating load and engine speed; (h) supply amount calculation means for reading out the fuel supply amount from the corresponding operating range based on the engine rotational speed and vehicle speed when the output of the fuel consumption detection means is abnormal; A fuel supply control device for an internal combustion engine, comprising: a fuel supply means for supplying fuel;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4415388U JPH0612236Y2 (en) | 1988-03-30 | 1988-03-30 | Fuel supply control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4415388U JPH0612236Y2 (en) | 1988-03-30 | 1988-03-30 | Fuel supply control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01145960U true JPH01145960U (en) | 1989-10-06 |
| JPH0612236Y2 JPH0612236Y2 (en) | 1994-03-30 |
Family
ID=31270526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4415388U Expired - Lifetime JPH0612236Y2 (en) | 1988-03-30 | 1988-03-30 | Fuel supply control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612236Y2 (en) |
-
1988
- 1988-03-30 JP JP4415388U patent/JPH0612236Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612236Y2 (en) | 1994-03-30 |