JPH0241111U - - Google Patents
Info
- Publication number
- JPH0241111U JPH0241111U JP11938288U JP11938288U JPH0241111U JP H0241111 U JPH0241111 U JP H0241111U JP 11938288 U JP11938288 U JP 11938288U JP 11938288 U JP11938288 U JP 11938288U JP H0241111 U JPH0241111 U JP H0241111U
- Authority
- JP
- Japan
- Prior art keywords
- altitude
- change
- tilt
- sensor
- detects
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案に係る高度検出装置の構成を示
す機能ブロツク図、第２図は本考案の一実施例を
示す内燃機関の電子制御燃料噴射装置のシステム
図、第３図は燃料噴射量演算ルーチンのフローチ
ヤート、第４図は空燃比フイードバツク制御ルー
チンのフローチヤート、第５図は学習ルーチンの
フローチヤート、第６図は空燃比フイードバツク
補正係数の変化の様子を示す図、第７図は傾斜セ
ンサの概略図、第８図は傾斜センサ出力電圧と傾
き角との関係を示す線図、第９図は傾き角検出ル
ーチンのフローチヤート、第１０図は高度演算ル
ーチンのフローチヤート、第１１図は高度修正ル
ーチンのフローチヤート、第１２図ａ，ｂは高度
検出の説明図である。
１……機関、７……燃料噴射弁、９……コント
ロールユニツト、１０……吸気圧センサ、１１…
…吸気温センサ、１２……クランク角センサ、１
４……酸素センサ、１５……車速センサ、１６…
…傾斜センサ。
Fig. 1 is a functional block diagram showing the configuration of an altitude detection device according to the present invention, Fig. 2 is a system diagram of an electronically controlled fuel injection device for an internal combustion engine showing an embodiment of the invention, and Fig. 3 is a fuel injection amount. Figure 4 is a flowchart of the calculation routine, Figure 4 is a flowchart of the air-fuel ratio feedback control routine, Figure 5 is a flowchart of the learning routine, Figure 6 is a diagram showing how the air-fuel ratio feedback correction coefficient changes, and Figure 7 is A schematic diagram of the tilt sensor; FIG. 8 is a diagram showing the relationship between the tilt sensor output voltage and the tilt angle; FIG. 9 is a flowchart of the tilt angle detection routine; FIG. 10 is a flowchart of the altitude calculation routine; The figure is a flowchart of the altitude correction routine, and FIGS. 12a and 12b are explanatory diagrams of altitude detection. DESCRIPTION OF SYMBOLS 1... Engine, 7... Fuel injection valve, 9... Control unit, 10... Intake pressure sensor, 11...
...Intake temperature sensor, 12...Crank angle sensor, 1
4...Oxygen sensor, 15...Vehicle speed sensor, 16...
...Tilt sensor.
Claims (1)
ンサを取付けると共に、走行距離計測手段を具備
させ、所定時間毎に傾斜センサにより検出される
傾き角とその間の走行距離とから高度変化量を演
算する高度変化量演算手段と、演算された高度変
化量を積算する積算手段とを設け、その積算値か
ら高度を検出することを特徴とする車両用の高度
検出装置。 A vehicle is equipped with a tilt sensor that detects the tilt angle in the longitudinal direction, and is also equipped with a mileage measuring means, and the amount of change in altitude is calculated from the tilt angle detected by the tilt sensor at predetermined time intervals and the distance traveled during that time. 1. An altitude detection device for a vehicle, comprising an altitude change calculation means and an integration means for accumulating the calculated altitude change, and detects altitude from the integrated value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119382U JPH0518653Y2 (en) | 1988-09-13 | 1988-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119382U JPH0518653Y2 (en) | 1988-09-13 | 1988-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241111U true JPH0241111U (en) | 1990-03-22 |
| JPH0518653Y2 JPH0518653Y2 (en) | 1993-05-18 |
Family
ID=31364563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988119382U Expired - Lifetime JPH0518653Y2 (en) | 1988-09-13 | 1988-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518653Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012152096A (en) * | 2010-12-27 | 2012-08-09 | Honda Motor Co Ltd | Kinetic efficiency determination device |
| JP2018138911A (en) * | 2017-02-24 | 2018-09-06 | セイコーインスツル株式会社 | Altimeter and altitude detection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124010A (en) * | 1980-03-05 | 1981-09-29 | Mitsubishi Motors Corp | Measuring device for travelling height |
-
1988
- 1988-09-13 JP JP1988119382U patent/JPH0518653Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124010A (en) * | 1980-03-05 | 1981-09-29 | Mitsubishi Motors Corp | Measuring device for travelling height |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012152096A (en) * | 2010-12-27 | 2012-08-09 | Honda Motor Co Ltd | Kinetic efficiency determination device |
| JP2018138911A (en) * | 2017-02-24 | 2018-09-06 | セイコーインスツル株式会社 | Altimeter and altitude detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518653Y2 (en) | 1993-05-18 |