JPS55150010A - Plant fault analyzing device - Google Patents
Plant fault analyzing deviceInfo
- Publication number
- JPS55150010A JPS55150010A JP5576579A JP5576579A JPS55150010A JP S55150010 A JPS55150010 A JP S55150010A JP 5576579 A JP5576579 A JP 5576579A JP 5576579 A JP5576579 A JP 5576579A JP S55150010 A JPS55150010 A JP S55150010A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- cause
- cct
- fault
- node
- 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
Abstract
PURPOSE:To perform the correct presumption for the cause even in the course of the fault, by searching fault cause group A which minimizes the valuation function with the time elapsed since occurrence of the fault used for the variable. CONSTITUTION:Data process part 31 decides whether the observation signal group is under the alarm state or not in order to produce observation pattern Z. Analysis part 32 operates on trigger signal TG1 given from part 31 or trigger signal TG2 obtained by the demand of the operator and then delivers presumed cause A by means of causal relation tree CCT stored in memory device 33 plus observation pattern Z. Cause A is displayed at the display part through the method in which the display color is changed at the area of the cause node on the display screen of the CCT. The CCT memorizes the types of the nodes, the destination node of X and the set of the slave nodes of X each with every node X of the CCT. As model pattern R0(A) obtained at model pattern producing part 2 is the pattern which corresponds to the final form of the fault, pattern R(A, t1) of optional time step T1 is produced based on pattern R0(A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5576579A JPS55150010A (en) | 1979-05-09 | 1979-05-09 | Plant fault analyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5576579A JPS55150010A (en) | 1979-05-09 | 1979-05-09 | Plant fault analyzing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55150010A true JPS55150010A (en) | 1980-11-21 |
Family
ID=13007944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5576579A Pending JPS55150010A (en) | 1979-05-09 | 1979-05-09 | Plant fault analyzing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55150010A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013213A (en) * | 1983-07-04 | 1985-01-23 | Meidensha Electric Mfg Co Ltd | Method for monitoring measured value |
| JPH01274209A (en) * | 1988-04-26 | 1989-11-02 | Mitsubishi Heavy Ind Ltd | Plant fault diagnosing device |
| JPH022406A (en) * | 1988-06-13 | 1990-01-08 | Mitsubishi Heavy Ind Ltd | Device for fault diagnosis of plant |
-
1979
- 1979-05-09 JP JP5576579A patent/JPS55150010A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013213A (en) * | 1983-07-04 | 1985-01-23 | Meidensha Electric Mfg Co Ltd | Method for monitoring measured value |
| JPH01274209A (en) * | 1988-04-26 | 1989-11-02 | Mitsubishi Heavy Ind Ltd | Plant fault diagnosing device |
| JPH022406A (en) * | 1988-06-13 | 1990-01-08 | Mitsubishi Heavy Ind Ltd | Device for fault diagnosis of plant |
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