JP2008051601A - Device for analyzing trend of abnormality in plant equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To analyze the trend of abnormalities in plant equipment from a working report on maintenance and inspection work. <P>SOLUTION: A server computer 1 functions as a working report storage means for storing the data in the working report on the maintenance and inspection work on plant equipment sent from a client computer 5 of portable terminal units 4, a word extraction means for extracting a word identical with either of words meaning abnormalities and preregistered words to be used as words meaning regions of the plant equipment from reporting statements in the working report for a time specified by the client computer 5 in the working reports stored by the working report storage means and an extraction frequency counting means for count the extraction frequency of each word extracted by the word extraction means in each interval made by dividing the specified time by a predetermined unit time to create a database 3. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an abnormal tendency distribution apparatus for equipment that analyzes the tendency of abnormality that has occurred in equipment installed in a building.

  Patent Document 1 discloses a plant monitoring apparatus that supports an operator's judgment work in connection with plant monitoring of a nuclear power plant or the like.

  This plant monitoring device includes a detector that outputs measurement signals of operation states of various devices in the plant, a data collection device that records the output signal of the detector, and data sent from the data collection device statistically. A long-term trend analyzer that analyzes in a predetermined time unit using an analysis method, a database that includes monitoring conditions such as threshold values for long-term trend characteristics, and a database threshold for the results calculated by the long-term trend analyzer An abnormality determination means for performing abnormality determination using a monitoring condition such as the above and an alarm device for issuing an alarm by an abnormality determination signal.

In the plant monitoring device configured as described above, data obtained from the output signal of the detector is collected, and the collected data is analyzed by the long-term trend analysis device using a statistical analysis method. An abnormality is determined using monitoring conditions such as threshold values. That is, it is possible to automatically analyze the tendency of occurrence for a predetermined abnormality.
JP-A-8-220278

  By the way, not only information obtained from an output signal of a detector but also information obtained from a work report created at the time of maintenance / inspection of the equipment is included in the information regarding abnormality of the equipment. As described above, the plant monitoring device can analyze the tendency of occurrence of abnormality of the equipment from the output signal of the detector, but cannot analyze the tendency of occurrence of abnormality of the equipment from the work report.

  The present invention has been made in consideration of the above-described actual situation, and the purpose of the present invention is to analyze the tendency of occurrence of abnormality in equipment and equipment from the work report of maintenance / inspection work. To provide an apparatus.

[1] In order to achieve the above-mentioned object, the present invention provides a work report storage means for storing work reports of maintenance / inspection work for equipment and the work reports stored by the work report storage means. Among the documents, a word that matches one of a plurality of pre-registered words used as a word meaning an abnormality and a word meaning a part of equipment from the report of the work report for a specified time A word extracting unit for extracting, and an extraction number measuring unit for measuring the number of extractions of each word extracted by the word extracting unit for each section in which the specified time is divided by a predetermined unit time. It is characterized by.

  In the present invention configured as described above, the report of the work report for a specified time, for example, for six months, among the work reports of the maintenance / inspection work of the facility equipment stored in the work report storage means. From the sentence, the word extracting means extracts a word that matches any of a plurality of pre-registered words used as a word meaning abnormality and a word meaning a part of the equipment. Next, the number of times of extraction of each word extracted by the word extraction means is measured for each section in which the designated time is divided by a predetermined unit time, for example, for each month. That is, the number of occurrences of abnormalities reported in six months is analyzed. Accordingly, it is possible to achieve the above-mentioned object of providing an abnormality occurrence tendency analyzing apparatus for facility equipment that can analyze the occurrence tendency of abnormality of facility equipment from a work report of maintenance / inspection work.

[2] According to the present invention, in the invention described in “[1]”, the plurality of pre-registered words include a word meaning an abnormality that rarely occurs but is likely to develop into a serious accident. It is characterized by.

[3] The present invention relates to the invention described in “[1]” or “[2]”, wherein an increase for determining whether or not an increase rate of the number of extractions of each word is higher than a predetermined increase rate. It is characterized by comprising rate determining means and display means for displaying the determination result by the increase rate determining means.

  According to the present invention, it is possible to provide an equipment device abnormality occurrence tendency analysis device capable of analyzing the equipment device abnormality occurrence tendency from a maintenance / inspection work report, thereby contributing to maintenance and inspection of equipment equipment. .

  One embodiment of an abnormality occurrence tendency analyzer for facility equipment of the present invention will be described.

  FIG. 1 is a block diagram showing an embodiment of an abnormality trend analysis apparatus for facility equipment according to the present invention. As shown in FIG. 1, the abnormality occurrence tendency analysis apparatus of this embodiment includes a server computer 1. The server computer 1 can communicate with a client computer 5 built in a portable terminal device 4 carried by a maintenance / inspector of building equipment.

  The client computer 5 is installed with work report production software for creating a work report of maintenance / inspection work.

  The server computer 1 is installed with database creation software 2 for creating the database 3. The database creation software 2 includes a work report storage program 2a, a word extraction program 2b, an extraction frequency measurement program 2c, an increase rate determination program 2d, and an analysis result storage program 2e.

  The work report storage program 2a serves as work report storage means for storing work report data of maintenance / inspection work of equipment transmitted from the mobile terminal device 4 in a predetermined memory in which the database 3 is stored. It is a program for causing the server computer 1 to function.

  The word extraction program 2b reports a work report for a specified time period as a word that matches one of a plurality of pre-registered words used as a word meaning abnormality and a word meaning a part of equipment. It is a program for causing the server computer 1 to function as word extraction means for extracting from a sentence.

  The extraction count measurement program 2c measures the number of extractions for measuring the number of extractions of each word extracted by the word extraction means for each section in which a specified time is divided by a predetermined unit time, for example, for each month. It is a program for causing the server computer 1 to function as means.

  The increase rate determination program 2d determines whether or not the increase rate of the number of extractions of each word extracted by the word extraction unit is higher than a predetermined increase rate, for example, extraction of each extracted word by month This is a program for causing the server computer 1 to function as an increase rate determination means for determining whether or not the number of times has increased by 10 times or more than the number of extractions in the previous month of the month.

  The analysis result storage program 2e uses the server computer 1 as analysis result storage means for accumulating the measurement result by the extraction number measurement means and the determination result by the increase rate determination means in a predetermined memory in which the database 3 is stored. It is a program to make it function.

  A browser 7 for displaying information in the database 3 of the server computer 1 on the liquid crystal display device 8 of the mobile terminal device 4 is installed in the client computer 5. That is, from the client computer 5 and the liquid crystal display device 8 operating according to the browser 7, a display for displaying a work report contained in the database 3, a measurement result by the extraction number measuring means, and a determination result by the increase rate determining means. Means are configured.

  The operation of the present embodiment configured as described above will be described with reference to FIGS. 2 to 8 by taking as an example the case where the equipment as a maintenance / inspection object is an elevator.

  FIG. 2 is a flowchart showing a processing procedure performed by the embodiment shown in FIG. 1 when analyzing the tendency of an abnormality in an elevator, which is equipment, and FIG. 3 is handled in the embodiment shown in FIG. 4 is a diagram showing a word extracted by the first extraction process from the report sentence shown in FIG. 3, and FIG. 5 is a second extraction process from among the words shown in FIG. FIG. 6 is a diagram illustrating an example of an exclusion word registered in advance as a word to be excluded, and FIG. 6 is an example of a word registered in advance as a serious word meaning an abnormality that rarely occurs but is likely to develop into a serious accident. FIG. 7 is a diagram showing words that are determined as synonyms when measuring the number of extractions of words from the report shown in FIG. 3, and FIG. 8 is a liquid crystal of the mobile terminal device shown in FIG. Measurement results of the number of word extractions displayed on the display device, and Is a diagram illustrating an example of the determination result of the increase rate of the extracted words.

  When the work report data of the elevator maintenance / inspection work is transmitted from the client computer 5 of the portable terminal device 4, the server computer 1 operates according to the work report storage program 2a, that is, as work report storage means. Functions and adds work report data to the database 3.

  When the maintenance / inspector instructs the server computer 1 from the client computer 5 of the portable terminal device 4 to analyze the tendency of the occurrence of abnormality from April to September, the server computer 1 operates according to the word extraction program 2b. That is, it functions as a word extraction means, reads work reports for April-September from the database 3, and stores a plurality of pre-registered words used as a word meaning an abnormality and a word meaning a part of equipment. A word that matches any one is extracted from the report sentence of each work report (step S1).

  In this procedure S1, the first to third extraction processes are performed on the report sentences of each work report to extract words. The first to third extraction processes are performed in Report A, which is a work report, “Abnormal sound is generated from the rail of the elevator”, and in Report B, which is a work report, A description will be given by taking as an example Report B in which “Sound is generated from rail” is described as an abnormal content.

  In the first extraction process, the report sentence “Abnormal sound is generated from the rails of the elevator” is “Elevator”, “No”, “Rail”, “From”, “Abnormal sound”, “Ga” and “Occurrence” "The sound from the main rail of the EL due to running out of oil" is "Out of oil", "By", "Ele", "No", "Main rail", "From" , “Sound”, “Ga” and “Generation”. Note that “Ele”, which is a word in the report sentence of Report B, is an abbreviation for “Elevator”.

  In the second extraction process, a word that matches one of a plurality of extracted words (including abbreviations) registered in advance as a noun to be extracted is extracted from each report sentence. As a result, as shown in FIG. 4, “elevator”, “rail”, “abnormal sound” and “occurrence” are extracted from the report sentence of report A, and “out of oil” from the report sentence of report B. , “Ele”, “main rail”, “sound” and “occurrence” are extracted.

  In the third extraction process, a plurality of excluded words (including abbreviations) registered in advance as nouns and verbs to be excluded, for example, coincide with the excluded words “Ele”, “Elevator”, and “Occurrence” shown in FIG. The word is excluded from the words extracted in the first extraction process (see FIG. 4). That is, the names of the entire equipment and the words indicating verbs that are not necessary for analyzing the tendency of occurrence of abnormality are excluded from the report sentence.

  As described above, by performing the first to third extraction processes in the procedure S1, the word “rail”, which is one of the words that mean the part of the equipment, from the report sentence of the report A, One “abnormal sound” is finally extracted, and from the report sentence of report B, “main rail”, which is one of the words meaning the part of the equipment, is one of the words meaning the abnormality. Certain “out of oil” and “abnormal sound” are finally extracted.

  As shown in FIG. 6, serious words meaning abnormalities that rarely occur but are likely to develop into serious accidents, such as “fire” and “smoke”, are also used in the first to third extraction processes described above. Are registered in advance as words finally extracted.

  The server computer 1 that has finished the procedure S1 operates in accordance with the extraction count measurement program 2c, that is, functions as an extraction count measurement means, and measures the number of extractions of each word extracted by the word extraction means by month (procedure S2). . As shown in FIG. 7, the word “sound” is registered in advance as a synonym with the standard word “abnormal sound”, and the word “main rail” is synonymous with the standard word “rail”. As registered in advance. Therefore, the number of extractions of each word is measured so that “sound” is included in the number of extractions of “abnormal sound” and “main rail” is included in the number of extractions of “rail”.

  The server computer 1 that has finished the procedure S2 operates according to the increase rate determination program 2d, that is, functions as an increase rate determination unit, and the number of times of extraction of each word extracted by the word extraction unit is the extraction of the previous month of the month. It is determined whether or not the number of times has increased by 10 times or more (step S3).

  The server computer 1 that has finished the step S3 operates according to the analysis result storage program 2e, that is, functions as an analysis result storage unit, and stores the measurement result by the extraction number measurement unit and the determination result by the increase rate determination unit in a database. 3 is stored in a predetermined memory (step S4), and the process is terminated.

  The maintenance / inspector operates the mobile terminal device 4 and uses the browser 7 to display the measurement result by the extraction number measurement means and the determination result by the increase rate determination means stored in the server computer 1 on a liquid crystal display. It is displayed on the device 8. Thereby, on the liquid crystal display device 8, for example, as shown in FIG. 8, the measurement result by the extraction number measurement unit and the determination result by the increase rate determination unit are displayed in a table format. In FIG. 8, the ▲ mark displayed in the rail row in the June column indicates the determination result by the increase rate determining means, that is, for example, the number of “Rail” extracted in May is “ The determination result that the number of extractions of the “rail” is 10 times or more is shown.

  According to this embodiment, the following effects can be obtained.

  In the present embodiment, the server computer 1 is set so as to function as a work report accumulation unit, a word extraction unit, and an extraction number measurement unit. Thereby, it is possible to analyze the tendency of occurrence of abnormality of the equipment from the work report of the maintenance / inspection work.

  In the present embodiment, serious words such as “ignition” and “smoke”, which mean abnormalities that rarely occur but are likely to develop into serious accidents, are finally extracted from the report of the work report. It is registered in advance as a word. Thereby, a serious accident can be prevented beforehand.

  In the present embodiment, the server computer 1 functions as an increase rate determination unit, and a determination result by the increase rate determination unit can be displayed on the liquid crystal display device 8 of the mobile terminal device 4. Thereby, it is possible to easily grasp the tendency of occurrence of abnormality.

It is a block diagram which shows one Embodiment of the abnormality generation tendency analyzer of the equipment of this invention. It is a flowchart which shows the procedure of the process which embodiment shown by FIG. 1 performs, when analyzing the tendency of generation | occurrence | production of the abnormality of the elevator which is equipment. It is a figure which shows the work report handled by embodiment shown by FIG. It is a figure which shows the word extracted by the 1st extraction process from the report sentence shown by FIG. It is a figure which shows an example of the exclusion word previously registered as a word excluded by the 2nd extraction process from among the words shown by FIG. It is a figure which shows an example of the word previously registered as a serious word which means the abnormality which has a rare occurrence but has a high possibility of developing into a serious accident. It is a figure which shows the word judged to be a synonym when measuring the frequency | count of extraction of a word from the report sentence shown by FIG. It is a figure which shows an example of the measurement result of the frequency | count of extraction of the word displayed on the liquid crystal display device of the portable terminal device shown by FIG. 1, and the determination result of the increase rate of the extracted word.

Explanation of symbols

1 Server computer 2 Database creation software 2
2a Work report storage program 2b Word extraction program 2c Extraction count measurement program 2d Increase rate determination program 2e Analysis result storage program 3 Database 4 Mobile terminal device 5 Client computer 6 Work report creation software 6
7 Browser 7
8 Liquid crystal display device

Claims (3)

Work report storage means for storing work reports on maintenance and inspection work for equipment and equipment,
Of the work reports accumulated by the work report accumulation means, from the report sentence of the work report for a specified time, used in advance as a word meaning an abnormality and a word meaning a part of equipment. Word extraction means for extracting a word that matches any of a plurality of registered words;
An extraction number measuring means for measuring the number of extractions of each word extracted by the word extracting means for each section in which the designated time is divided by a predetermined unit time. Equipment for abnormal trend analysis of equipment. In the invention of claim 1,
An abnormality occurrence tendency analysis apparatus for facility equipment, characterized in that a plurality of words registered in advance include words meaning an abnormality that rarely occurs but is likely to develop into a serious accident. In the invention according to claim 1 or 2,
An increase rate determination means for determining whether an increase rate of the number of extractions of each word is higher than a predetermined increase rate;
An abnormality occurrence tendency analysis apparatus for facility equipment, comprising display means for displaying a determination result by the increase rate determination means.

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