JPH0223703U - - Google Patents
Info
- Publication number
- JPH0223703U JPH0223703U JP9742488U JP9742488U JPH0223703U JP H0223703 U JPH0223703 U JP H0223703U JP 9742488 U JP9742488 U JP 9742488U JP 9742488 U JP9742488 U JP 9742488U JP H0223703 U JPH0223703 U JP H0223703U
- Authority
- JP
- Japan
- Prior art keywords
- normality
- operating state
- diagnosed
- diagnosing
- product
- 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
- 238000004092 self-diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Feedback Control In General (AREA)
- Testing Of Engines (AREA)
Description
第１図は、本考案の構成を示すブロツク図、第
２図は、本考案の一実施例の構成を示す図、第３
図〜第１０図は同上実施例における各種ルーチン
のフローチヤートである。
１……内燃機関、２……エアフローメータ、４
……スロツトルセンサ、５……燃料噴射弁、６…
…Ｏ２センサ、７……水温センサ、８……クラン
ク角センサ、９……コントロールユニツト。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a diagram showing the configuration of an embodiment of the present invention, and Figure 3 is a diagram showing the configuration of an embodiment of the present invention.
Figures 1 to 10 are flowcharts of various routines in the above embodiment. 1...Internal combustion engine, 2...Air flow meter, 4
...Throttle sensor, 5...Fuel injection valve, 6...
... O2 sensor, 7...Water temperature sensor, 8...Crank angle sensor, 9...Control unit.
Claims (1)
なされる制御状態に応じた当該被診断品の正常度
をフアジイ量として記憶した正常度記憶手段と、
被診断品の作動状態若しくは該作動に基づく制御
状態に基づいて前記正常度記憶手段からの検索に
より該被診断品の正常度を診断する正常度診断手
段と、診断された正常度をデジタル信号で表示す
る正常度表示手段と、を含んで構成したことを特
徴とする自己診断装置。 normality storage means that stores the normality of the diagnostic object as a fuzzy quantity in accordance with the operating state of the diagnostic object or the control state performed based on the operating state;
normality diagnosing means for diagnosing the normality of the product to be diagnosed by searching from the normality storage means based on the operating state of the product to be diagnosed or the control state based on the operation; A self-diagnosis device comprising: normality display means for displaying a normality level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9742488U JPH0223703U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9742488U JPH0223703U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223703U true JPH0223703U (en) | 1990-02-16 |
Family
ID=31322884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9742488U Pending JPH0223703U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223703U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246458A (en) * | 1975-10-13 | 1977-04-13 | Hitachi Ltd | Abnormal detector of machinery and apparatuses |
| JPS5945509A (en) * | 1982-09-08 | 1984-03-14 | Toshiba Corp | Device for displaying status of process quantity |
-
1988
- 1988-07-25 JP JP9742488U patent/JPH0223703U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246458A (en) * | 1975-10-13 | 1977-04-13 | Hitachi Ltd | Abnormal detector of machinery and apparatuses |
| JPS5945509A (en) * | 1982-09-08 | 1984-03-14 | Toshiba Corp | Device for displaying status of process quantity |
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