WO2013047146A1 - Ft図作成支援装置及びft図作成支援プログラム - Google Patents
Ft図作成支援装置及びft図作成支援プログラム Download PDFInfo
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- WO2013047146A1 WO2013047146A1 PCT/JP2012/072782 JP2012072782W WO2013047146A1 WO 2013047146 A1 WO2013047146 A1 WO 2013047146A1 JP 2012072782 W JP2012072782 W JP 2012072782W WO 2013047146 A1 WO2013047146 A1 WO 2013047146A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
- G06F40/14—Tree-structured documents
- G06F40/143—Markup, e.g. Standard Generalized Markup Language [SGML] or Document Type Definition [DTD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/177—Editing, e.g. inserting or deleting of tables; using ruled lines
- G06F40/18—Editing, e.g. inserting or deleting of tables; using ruled lines of spreadsheets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/20—Natural language analysis
- G06F40/205—Parsing
- G06F40/226—Validation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/60—Editing figures and text; Combining figures or text
Definitions
- the present invention relates to a technique for analyzing the cause of failure of a device, system, etc. and improving its reliability.
- FTA Fault Tree Analysis
- FIG. 19 is an example of an FT diagram.
- the failure event “the transmission loss by the belt vehicle is large” is analyzed. Since this failure event occurs when “slip amount is large” or “friction force is large”, “slip amount is large” and “friction force is large” are subordinate events of the failure event, and their relationship is Logical OR.
- the upper event and the lower event are simply connected by a ruled line, and it is not described whether the lower event in the same row is a logical sum or logical product.
- This is a logical product of the lower-order events in the same row, since in many cases the logical sum is used, the logical sum is simply connected between the higher-order event and the lower-order event and between the lower-order events in the same row with ruled lines. This is because “AND” indicating a logical product is described beside the ruled line connecting the upper event and the lower event.
- FT diagrams are often created using the ruled line function of spreadsheet software such as Microsoft's Excel (registered trademark). This is because the spread rate of spreadsheet software is high, and because the spread rate is high, it is suitable for another engineer to use an FT diagram created by a certain engineer.
- spreadsheet software such as Microsoft's Excel (registered trademark).
- An object of the present invention is to make it easy to edit an FT diagram.
- an FT diagram creation support apparatus wherein a ruled line is generated from first data which is data of an FT diagram in which a tree structure is expressed by ruled lines and character strings on a sheet of spreadsheet software.
- a connection relationship and a character string are acquired, and an event included in the FT diagram and a connection relationship between the events are obtained from the acquired connection relationship and character string of the ruled line.
- the tree structure of the FT diagram is marked up as a markup language.
- An import unit that generates the second data described in (2), and an editing unit that edits the second data and generates third data that describes the tree structure of the edited FT diagram in a markup language.
- connection relationship between the ruled lines and the character strings from the first data which is the data of the FT diagram in which the tree structure is expressed by the ruled lines and the character strings on the sheet of the spreadsheet software.
- the FT diagram can be easily edited.
- FIG. 1 is an overall configuration diagram of an FT diagram creation support apparatus.
- FIG. 2 is a diagram for explaining the function of the FT diagram creation support apparatus.
- FIG. 3 is a flowchart showing the processing contents of the import unit.
- FIG. 4 is a diagram showing a state in which an event is searched from data of an FT diagram created by spreadsheet software by the import unit.
- FIG. 5 is a diagram showing XML data generated by the import process.
- FIG. 6 is an example of a tree structure displayed on the display unit.
- FIG. 7 is a diagram illustrating a state in which a lower event is added to the top event.
- FIG. 8 is a diagram illustrating a state in which a lower event is deleted.
- FIG. 9 is a diagram illustrating a state in which a lower event is moved.
- FIG. 1 is an overall configuration diagram of an FT diagram creation support apparatus.
- FIG. 2 is a diagram for explaining the function of the FT diagram creation support apparatus.
- FIG. 3 is
- FIG. 10 is a diagram illustrating a state in which a lower event is copied.
- FIG. 11 is a flowchart showing the processing contents of the event analysis unit.
- FIG. 12 is a diagram showing the state of analysis by the event analysis unit.
- FIG. 13 is a diagram showing an example of a term dictionary of fault value terms.
- FIG. 14 is a diagram illustrating an example of a term dictionary of physical quantity terms.
- FIG. 15 is a flowchart showing the processing contents of the consistency verification unit.
- FIG. 16 is a diagram showing display on the display unit and XML data before and after the consistency verification.
- FIG. 17 is a flowchart showing the processing contents of the export unit.
- FIG. 18 is a diagram showing how the XML data is converted into the data format of the spreadsheet software by the export unit.
- FIG. 19 is a diagram showing an example of an FT diagram.
- FIG. 1 shows the overall configuration of the FT diagram creation support apparatus 100.
- the apparatus 100 includes an input / output unit 1, a processing unit 2, a storage unit 3, a display unit 4, and an operation unit 5, and as shown in FIG. -Import function that imports FT diagram data created by Excel (registered trademark) of Macrosoft Corporation and converts it into data written in markup language-FT written in markup language Editing function for editing a diagram on the display unit 4
- Event analysis function for analyzing the specific contents of an event of an FT diagram described in a markup language FT of an FT diagram described in a markup language before or after editing
- Consistency verification function for verifying consistency (whether or not the development of subordinate events is correct)-FT diagram data described in the markup language after editing is converted into a spreadsheet software data format and exported It has a function.
- the data of the FT diagram created by the spreadsheet software is the data of the FT diagram in which the tree structure is expressed by ruled lines and character strings on the sheet of the spreadsheet software. As shown in FIG. 19, a character string written in a cell surrounded by a ruled line is regarded as an event, and the tree structure of the FT diagram is expressed by connecting each event with a ruled line.
- FT diagram data described in a markup language is XML (Extensible Markup Language) data, and the contents and tree structure of each event in the FT diagram are described using tags. .
- FT diagram data described in a markup language is assumed to be XML data.
- each event element is composed of a start tag ⁇ FaultTreeNode> and an end tag ⁇ / FaultTreeNode>.
- the start tag ⁇ FaultTreeNode> there are various attributes of the corresponding event (label attribute indicating the contents of the event, unit attribute indicating the unit of physical quantity handled by the event, qstate attribute indicating the fault value state of the event, and the relationship between the lower events Logic attribute indicating logical sum or logical product and verification attribute indicating physical quantity consistency verification result) are included.
- the vertical relationship between the lower event and the higher event is expressed by placing the lower event element between the start tag ⁇ FaultTreeNode> and the end tag ⁇ / FaultTreeNode> of the higher event.
- events in the same row are expressed by arranging those elements in parallel.
- the end tag ⁇ / FaultTreeNode> can be omitted as appropriate when the relationship between events is clear only with the start tag ⁇ FaultTreeNode>.
- the input / output unit 1 is a wired or wireless network interface, a card reader, a USB connector, Bluetooth (registered trademark), or the like.
- the input / output unit 1 is used for exchanging data with an external server, personal computer or the like.
- the data to be exchanged mainly includes FT diagram data created by spreadsheet software for importing into the apparatus 100, and spreadsheet software edited or created by the apparatus 100 and exported from the apparatus 100. FT diagram data in data format.
- the processing unit 2 includes a microprocessor, RAM, ROM, and the like.
- the microprocessor reads the program stored in the ROM or the storage unit 3 (to be described later) into the RAM and executes it, thereby executing the import unit 21, the editing unit 22, the event analysis unit 23, and the consistency verification unit. 24 and the export unit 25. Specific processing contents of each unit will be described later.
- the storage unit 3 is a storage device such as a hard disk or a flash memory.
- the storage unit 3 stores data and programs necessary for the processing of the processing unit 2.
- the display unit 4 is a display device such as a liquid crystal display.
- the display unit 4 displays the tree structure of the FT diagram, the consistency verification result of the FT diagram, the XML data being edited or created, and the like.
- the operation unit 5 is an input device such as a keyboard, a mouse, and a touch panel.
- the operation unit 5 receives various operations from the user.
- the import unit 21 has a function of reading the data of the FT diagram created by the spreadsheet software through the input / output unit 1 and converting the data into XML data.
- FIG. 3 is a flowchart showing the processing contents (program contents) of the import unit 21.
- the processing contents of the import unit 21 will be described with reference to this.
- the import unit 21 searches for a top event from an FT diagram created by spreadsheet software in S1.
- a top event is an event in which there is no further event above it.
- the import unit 21 searches for cells surrounded by ruled lines in order from the upper left of the sheet.
- the import unit 21 determines whether a top event has been found. If it is determined that a top event has been found, the process proceeds to S3, and if not, the process ends.
- the import unit 21 sets the found top event cell as an analysis target cell. Further, the import unit 21 prepares XML data including a start tag ⁇ FaultTreeDocument> and an end tag ⁇ / FaultTreeDocument> indicating that the data is FT diagram data, and adds a top event to the XML data. Specifically, the top event element including the start tag ⁇ FaultTreeNode> and the end tag ⁇ / FaultTreeNode> is added between the start tag ⁇ FaultTreeDocument> and the end tag ⁇ / FaultTreeDocument>.
- the import unit 21 acquires a character string from the analysis target cell, and sets the acquired character string as the label attribute of the event corresponding to the analysis target cell. Further, the import unit 21 searches the area on the right side of the analysis target cell. If there is a character string “AND”, the import unit 21 determines that the lower event of the event corresponding to the analysis target cell is a logical product. It is judged that. Then, the import unit 21 sets “OR” for the logical sum and “AND” for the logical product as the logic attribute of the event corresponding to the analysis target cell.
- the import unit 21 searches for a lower event of the analysis target cell. Specifically, a ruled line extending to the right side from the analysis target cell is traced, and a cell surrounded by the ruled line ahead is searched.
- the import unit 21 determines whether a lower event has been found. If it is determined that a subordinate event has been found, the process proceeds to S7, and if not, the process proceeds to S8.
- the import unit 21 sets the discovered lower event cell as the analysis target cell, and adds the lower event to the XML data.
- the element of the lower event is arranged between the start tag ⁇ FaultTreeNode> and the end tag ⁇ / FaultTreeNode> of the upper event, thereby expressing that it is a lower event.
- the process returns to S4, the label attribute is set for the lower event, and further lower events are searched.
- the import unit 21 repeats the processes from S4 to S7 until no lower events are found.
- the import unit 21 searches for an event in the same row as the analysis target cell (hereinafter referred to as the same row event). Specifically, a ruled line branching downward from a ruled line extending to the left from the analysis target cell is traced, and a cell surrounded by a ruled line ahead of the ruled line is searched.
- the import unit 21 determines whether the same event has been found. If it is determined that a similar event has been found, the process proceeds to S10; otherwise, the process proceeds to S11.
- the import unit 21 sets a cell of the found same-order event as an analysis target cell, and adds the same-order event to the XML data. Elements of the same event are arranged so as to be in parallel with other elements of the same event, thereby expressing that they are the same event. Then, the process returns to S4, the label attribute is set for the same event, and the lower event and the same event are searched again.
- the import unit 21 repeats the processes from S4 to S10 until no parallel event is found.
- the import unit 21 sets the upper event of the same-line event found immediately before in the analysis target cell.
- the import unit 21 determines whether the event corresponding to the analysis target cell is a top event. If the event is a top event, the import unit 21 ends the process. If not, the import unit 21 returns to S8 and searches for the same event again. .
- FT diagram data created with spreadsheet software is converted to XML data by the above processing.
- FIG. 4 shows how the import unit 21 searches for events from the data of the FT diagram created by the spreadsheet software.
- FIG. 5 shows the XML data generated by the import process.
- the tree structure of the FT diagram is expressed by the inclusion relationship of the tags ⁇ FaultTreeNode> ⁇ / FaultTreeNode>, and each event has a label attribute, a logic attribute, and a verification attribute. However, since the physical quantity consistency verification has not yet been performed, the verification attribute contains a temporary value.
- the display unit 4 displays the tree structure in a format as shown in FIG.
- the displayed tree structure is the same as the tree structure of the FT diagram expressed by ruled lines and character strings, but to make the tree structure easier to see, click the folder illustration displayed on the left side of the event with lower events. Then, it becomes possible to fold or expand the subordinate events.
- the editing unit 22 has a function of correcting the tree structure on the display unit 4 while viewing the tree structure of the FT diagram displayed on the display unit 4.
- the editing unit 22 reflects the changed content in the XML data.
- FIG. 7 shows a state in which a lower event is added to the top event.
- the left side in the figure is the display content of the display unit 4, and the right side in the figure is the XML data corresponding thereto. Further, the upper side in the figure shows a state before editing, and the lower side in the figure shows a state after editing (the same applies to FIGS. 8 to 10).
- the editing unit 22 displays an editing menu (not shown) on the display unit 4.
- the edit menu includes “Add”, and when the user selects it, a window for inputting event attributes opens.
- the editing unit 22 causes the display unit 4 to display ⁇ event> below the top event.
- the editing unit 22 reflects the content in the XML data in real time, and an element of ⁇ event> is added to the XML data as shown on the right side in the figure.
- ⁇ event> is a subordinate event of the top event
- the element of ⁇ event> is arranged under the top event start tag ⁇ FaultTreeNode>.
- the top event end tag ⁇ / FaultTreeNode> is omitted.
- FIG. 8 shows a state in which a lower event is deleted.
- the editing unit 22 displays an editing menu (not shown) on the display unit 4.
- the edit menu includes “delete”, and when the user selects this, the editing unit 22 deletes ⁇ event> in the display unit 4.
- the editing unit 22 reflects the content in the XML data in real time, and the element of ⁇ event> is deleted from the XML data as shown on the right side in the figure.
- FIG. 9 shows a state where the lower event is moved.
- “event A”, “event B”, and “event C” are arranged in the same row below the top event.
- the editing unit 22 changes “event A” to “event B” on the display unit 4. Move down.
- the editing unit 22 reflects the contents in the XML data in real time, and as shown on the right side in the figure, the element of “event A” is “ It is moved between the start tag ⁇ FaultTreeNode> and the end tag ⁇ / FaultTreeNode> of “event B”.
- FIG. 10 shows a state when a lower event is copied.
- “event B” and “event C” are arranged in the same row below the top event, and “event A” is arranged below “event B”.
- the editing unit 22 causes the display unit 4 to display an editing menu (not shown).
- the editing menu includes “Copy” and “Paste”.
- the editing unit 22 displays the display unit. 4, “event B” and “event A” are moved below “event C”.
- the editing unit 22 reflects the contents in the XML data in real time, and, as shown on the right side in the figure, in the XML data, the ⁇ EventC> ⁇ FaultTreeNode > And an end tag ⁇ / FaultTreeNode> are added elements of “event B” and “event A”.
- the editing function described here is a part of the function of the editing unit 22, but similarly for other functions, when the tree structure of the FT diagram is changed on the display unit 4, the changed content is changed to XML. Reflected in the data in real time.
- the user does not need to be aware of the XML tag and the description method. If the tree structure displayed on the display unit 4 is edited on the display unit 4, the XML data can be easily rewritten. it can.
- the event analysis unit 23 has a function of analyzing a unit of physical quantity and a failure value state from the label attribute of each event and adding a unit attribute and a qstate attribute to each event.
- FIG. 11 is a flowchart showing the processing contents (program contents) of the event analysis unit 23.
- the processing contents of the event analysis unit 23 will be described with reference to this.
- the event analysis unit 23 extracts all events from the XML data and adds their label attributes to the event list in S21.
- the event list is text data for the work of this analysis.
- the event analysis unit 23 determines whether the event list is empty. If the event list is empty, the process ends. If the event list includes an event, the process proceeds to S23.
- the event analysis unit 23 sets the event at the top of the list as a target event that is an event to be analyzed, and sets the content as a target character string.
- the event analysis unit 23 searches for a fault value term from the rear side of the target character string as shown in FIG.
- the search is performed by matching with the term dictionary using the term dictionary shown in FIG.
- the fault value term is a term that indicates what state the physical quantity included in the event will cause the failure.For example, if the event is ⁇ high voltage '', it is ⁇ high '', ⁇ length '' If the event is “short”, “short” becomes the fault value term.
- the event analysis unit 23 determines whether a fault value term has been found. If a fault value term is found, the process proceeds to S26, and if not, the process proceeds to S28.
- the fault value state attribute corresponding to the found fault value term is read, and this is set as the qstate attribute of the event to be analyzed.
- the qstate attribute is, for example, “+” if “high”, and “ ⁇ ” if “short”.
- the event analysis unit 23 deletes the fault value term from the target character string.
- the event analysis unit 23 further searches for a physical quantity term from the rear side of the target character string.
- the term dictionary shown in FIG. 14 is used, and a physical quantity term is searched by matching with the term dictionary.
- the physical quantity term is, for example, “voltage” if the event is “high voltage”, and “length” if the event is “short”.
- the event analysis unit 23 determines whether a physical quantity term has been found. If a physical quantity term is found, the process proceeds to S30, and if not, the process proceeds to S31.
- the event analysis unit 23 refers to the term dictionary shown in FIG. 14, reads the unit of the discovered physical quantity term, and sets this as the unit attribute of the event to be analyzed.
- the attribute of the physical quantity term is, for example, “V” for “voltage” and “m” for “length”.
- the consistency verification unit 24 verifies whether or not the lower event is appropriately developed based on the physical quantity relationship between the upper event and the lower event in the XML data before or after editing, and each event based on the verification result. Has a function to set the verification attribute.
- FIG. 15 is a flowchart showing the processing contents (program contents) of the consistency verification unit 24.
- the processing content of the consistency verification unit 24 will be described with reference to this.
- the consistency verification unit 24 determines in S41 whether the event to be verified is a basic event.
- a basic event is a subordinate event that does not have a subordinate event. If the event to be verified is a basic event, there is no point in verifying the consistency. Therefore, the process proceeds to S42, and the verification attribute of the event to be verified is set to 0 indicating “unverified”. If the event to be verified is not a basic event, the process proceeds to S43.
- the consistency verification unit 24 determines whether any of the following is established. -The event to be verified does not include physical quantities. -None of the sub-events of the event to be verified contains physics.
- the unit of the physical quantity of the event to be verified can be expressed by adding or subtracting the unit of the physical quantity of the lower event. That is, the physical quantity of the event to be verified and the physical quantity of the lower event are the same unit.
- the unit of the physical quantity of the event to be verified can be expressed by multiplication / division or power multiplication of the unit of the physical quantity of the lower event. That is, the unit of the physical quantity of the event to be verified can be expressed using the unit of the physical quantity of the lower event.
- This process is performed for all events included in the XML data, and the verification attribute is set for all events.
- FIG. 16 shows the display on the display unit 4 and the XML data before and after the consistency verification.
- the value of the verification attribute of each event is set, and the tree structure displayed on the display unit 4 is an illustration showing the verification result, for example, “match” indicates a circle, “invalid” A “match” is displayed on the right side of each event, and a “hyphen” is displayed on the right side of each event.
- the user can easily know the possibility that the expansion of the sub-event has not been properly performed and the location where the expansion has not been appropriately performed, and can refer to it when correcting the FT diagram. .
- the export unit 25 has a function of converting the XML data edited by the editing unit 22 into a data format of spreadsheet software.
- FIG. 17 is a flowchart showing the processing contents (program contents) of the export unit 25.
- the processing contents of the export unit 25 will be described with reference to this.
- the export unit 25 determines whether a top event is included in the XML data in S51. If the top event is not included, the process ends. If the top event is included, the process proceeds to S52.
- the export unit 25 prepares an empty sheet of spreadsheet software, and sets a predetermined cell at the upper left of the sheet as an editing target cell. Furthermore, the top event of the XML data is set as the target event.
- the export unit 25 writes the contents of the label attribute of the target event in the edit target cell and surrounds the cell with a ruled line.
- the export unit 25 determines whether there is a lower event in the target event. If there is a lower event, the process proceeds to S55, and if not, the process proceeds to S56.
- the export unit 25 changes the editing target cell to a cell on the right side by a predetermined cell, and draws a ruled line extending to the cell.
- the relationship between the target event and the lower event is a logical product
- the character “AND” is written in the blank cell located above the ruled line. Then, the target event is changed to the lower event.
- the process returns to S53, and the export unit 25 writes the contents of the label attribute of the target event in the edit target cell and surrounds the cell with a ruled line.
- the export unit 25 determines whether the same event exists in the target event. If the same event exists, the process proceeds to S57, and if not, the process proceeds to S58.
- the export unit 25 changes the cell to be edited to a cell lower by a predetermined cell, and draws a ruled line extending to the cell. Then, the target event is changed to the same event.
- the process returns to S53, and the export unit 25 writes the contents of the label attribute of the target event in the edit target cell and surrounds the cell with a ruled line.
- the export unit 25 moves the editing target cell to the cell corresponding to the upper event and changes the target event to the upper event corresponding to the cell.
- the export unit 25 determines whether the target event is a top event. If it is not a top event, the process returns to S56, where it is further determined whether there is an event that is the same as the target event, and if it is determined that it is a top event, the process ends.
- XML data is converted into the spreadsheet software data format.
- FIG. 18 shows a state in which the XML data is converted into the data format of the spreadsheet software by the export unit 25.
- the loss of transmission by the belt wheel is large which is the content of the label attribute of the top event, is written in a predetermined cell at the upper left of the spreadsheet sheet, and the cell is surrounded by a ruled line. ((1) in the figure).
- a ruled line is drawn from the cell at the top event to the cell to the right of the three cells, and the label attribute of the lower event “Large slip amount” is written in the cell, and the cell is surrounded by the ruled line (in the figure) (2)).
- a ruled line is drawn to the cell two cells below the cell where “slip amount is large” is written, and “high frictional force” which is the content of the label attribute of the same-line event is written to the cell,
- the cell is surrounded by a ruled line ((3) in the figure).
- the FT diagram is created on the spreadsheet sheet as described above.
- the created data can be transferred to a server or personal computer outside the apparatus via the input / output unit.
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Abstract
Description
図1はFT図作成支援装置100の全体構成を示している。本装置100は、入出力部1、処理部2、記憶部3、表示部4及び操作部5を有し、図2に示すように、以下の機能:
・表計算ソフト(例えば、マクロソフト社のExcel(登録商標)で作成されたFT図のデータをインポートし、マークアップ言語で記述されたデータに変換するインポート機能
・マークアップ言語で記述されたFT図を表示部4上で編集する編集機能
・マークアップ言語で記述されたFT図の事象の具体的内容を解析する事象解析機能
・編集前又は編集後のマークアップ言語で記述されたFT図の整合性(下位事象の展開が正しいか否か)を検証する整合性検証機能
・編集後のマークアップ言語で記述されたFT図のデータを、表計算ソフトのデータ形式に変換し、エクスポートするエクスポート機能
を有している。
インポート部21は、表計算ソフトで作成されたFT図のデータを入出力部1を介して読み込み、これをXMLデータに変換する機能を有する。
編集部22は、表示部4に表示されたFT図のツリー構造を見ながら、表示部4上でツリー構造の修正を行う機能を有する。ユーザーが操作部5を操作することによって表示部4上でFT図のツリー構造を変更すると、編集部22は、その変更内容をXMLデータに反映する。
図7は、頂上事象に下位事象を追加する場合の様子を示している。図中左側は表示部4の表示内容であり、図中右側はこれに対応するXMLデータである。また、図中上側は編集前の状態、図中下側は編集後の状態を示している(図8~図10も同様)。
図8は、下位事象を削除する場合の様子を示している。
図9は、下位事象を移動する場合の様子を示している。
図10は、下位事象をコピーする場合の様子を示している。
事象解析部23は、各事象のlabel属性から、物理量の単位、及び、故障値状態を解析し、各事象にunit属性、qstate属性を追加する機能を有する。
整合性検証部24は、編集前又は編集後のXMLデータにおいて、上位事象と下位事象との物理量の関係に基づき、下位事象の展開が適切に行われているか検証し、検証結果に基づき各事象のverification属性を設定する機能を有する。
・検証対象の事象が物理量を含まない。
・検証対象の事象の下位事象がいずれも物理を含まない。
・検証対象の事象の物理量の単位が下位事象の物理量の単位の加減算で表現できる。すなわち、検証対象の事象の物理量と下位事象の物理量とが同じ単位である。
・検証対象の事象の物理量の単位が下位事象の物理量の単位の乗除又はべき乗算で表現できる。すなわち、検証対象の事象の物理量の単位が下位事象の物理量の単位を用いて表現できる。
エクスポート部25は、編集部22で編集された後のXMLデータを、表計算ソフトのデータ形式に変換する機能を有する。
Claims (8)
- FT図作成支援装置であって、
表計算ソフトのシート上に罫線と文字列とでツリー構造が表現されたFT図のデータである第1のデータから罫線の接続関係及び文字列を取得し、取得された前記罫線の接続関係及び文字列から前記FT図に含まれる事象及び事象間の接続関係を求め、これに基づき前記FT図のツリー構造をマークアップ言語で記述する第2のデータを生成するインポート部と、
前記第2のデータを編集し、編集後のFT図のツリー構造をマークアップ言語で記述する第3のデータを生成する編集部と、
を備えたFT図作成支援装置。 - 請求項1に記載のFT図作成支援装置であって、
前記第3のデータに基づき前記表計算ソフトのシート上に罫線と文字列とで前記FT図のツリー構造を表現し、これによって第4のデータを生成するエクスポート部をさらに備えたFT図作成支援装置。 - 請求項1又は2に記載のFT図作成支援装置であって、
前記第2又は第3のデータから各事象の物理量を取得し、上位事象の物理量と下位事象の物理量との関係に基づき前記第2又は第3のデータの整合性を検証する整合性検証部をさらに備えたFT図作成支援装置。 - 請求項1から3のいずれか一つに記載のFT図作成支援装置であって、
表示部をさらに備え、
前記編集部は、前記第2のデータに基づき前記FT図を前記表示部に表示し、前記表示部上で前記FT図の修正が指示されると、当該修正の内容を前記第2のデータに反映し、これによって前記第3のデータを生成する、
FT図作成支援装置。 - コンピュータに、
表計算ソフトのシート上に罫線と文字列とでツリー構造が表現されたFT図のデータである第1のデータから罫線の接続関係及び文字列を取得し、取得された前記罫線の接続関係及び前記文字列から前記FT図に含まれる事象及び事象間の接続関係を求め、これに基づき前記FT図のツリー構造をマークアップ言語で記述する第2のデータを生成するインポート機能と、
前記第2のデータを編集し、FT図のツリー構造をマークアップ言語で記述する第3のデータを生成する編集機能と、
を実現させるためのプログラム。 - 請求項5に記載のプログラムであって、
前記コンピュータに、さらに、前記第3のデータに基づき前記表計算ソフトのシート上に罫線と文字列とで前記FT図のツリー構造を表現し、これによって第4のデータを生成するエクスポート機能を実現するためのプログラム。 - 請求項5又は6に記載のプログラムであって、
前記コンピュータに、さらに、前記第2又は第3のデータから各事象の物理量を取得し、上位事象の物理量と下位事象の物理量との関係に基づき前記第2又は第3のデータの整合性を検証する整合性検証機能を実現するためのプログラム。 - 請求項5から7のいずれか一つに記載のプログラムであって、
前記編集機能は、前記第2のデータに基づき前記FT図を前記コンピュータの表示部に表示し、前記表示部上で前記FT図の修正が指示されると、当該修正の内容を前記第2のデータに反映し、これによって前記第3のデータを生成する機能である、
ことを特徴とするプログラム。
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EP12835352.1A EP2752811A4 (en) | 2011-09-27 | 2012-09-06 | FOURIER TRANSFORMATION DIAGRAM CREATION DEVICE (FT) AND METHOD FOR AIDING FT DIAGRAM CREATION |
CN201280040559.6A CN103765470B (zh) | 2011-09-27 | 2012-09-06 | 树结构图制作辅助装置以及树结构图制作辅助方法 |
KR1020147005252A KR20140054149A (ko) | 2011-09-27 | 2012-09-06 | Ft도 작성 지원 장치 및 ft도 작성 지원 프로그램을 저장한 기억 매체 |
US14/343,646 US9524288B2 (en) | 2011-09-27 | 2012-09-06 | FT diagram generation aid device and FT diagram generation aid program |
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JP2006171820A (ja) * | 2004-12-13 | 2006-06-29 | Hitachi Ltd | 流通在庫に起因する損益指標算出システム |
JP2009289020A (ja) | 2008-05-29 | 2009-12-10 | Omron Corp | Ft図作成プログラム、ft図作成装置、記録媒体及びft図作成方法 |
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US7017112B2 (en) * | 2003-02-28 | 2006-03-21 | Microsoft Corporation | Importing and exporting markup language data in a spreadsheet application document |
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US8744821B2 (en) * | 2011-07-07 | 2014-06-03 | Xldyn, Llc | Spreadsheet-based templates for supporting the systems engineering process |
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JP2006171820A (ja) * | 2004-12-13 | 2006-06-29 | Hitachi Ltd | 流通在庫に起因する損益指標算出システム |
JP2009289020A (ja) | 2008-05-29 | 2009-12-10 | Omron Corp | Ft図作成プログラム、ft図作成装置、記録媒体及びft図作成方法 |
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EP2752811A4 (en) | 2015-08-26 |
EP2752811A1 (en) | 2014-07-09 |
JP2013073384A (ja) | 2013-04-22 |
CN103765470B (zh) | 2017-02-08 |
US9524288B2 (en) | 2016-12-20 |
KR20140054149A (ko) | 2014-05-08 |
JP5334140B2 (ja) | 2013-11-06 |
CN103765470A (zh) | 2014-04-30 |
US20140215300A1 (en) | 2014-07-31 |
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