WO2014141837A1 - ノウハウ可視化装置及びノウハウ可視化方法 - Google Patents
ノウハウ可視化装置及びノウハウ可視化方法 Download PDFInfo
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- WO2014141837A1 WO2014141837A1 PCT/JP2014/053904 JP2014053904W WO2014141837A1 WO 2014141837 A1 WO2014141837 A1 WO 2014141837A1 JP 2014053904 W JP2014053904 W JP 2014053904W WO 2014141837 A1 WO2014141837 A1 WO 2014141837A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
- G05B23/0272—Presentation of monitored results, e.g. selection of status reports to be displayed; Filtering information to the user
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
Definitions
- Embodiments of the present invention include monitoring and control of water and sewage facilities including industrial water used in industrial facilities such as steel factories, paper factories, semiconductor factories, and food processing factories, and water treatment facilities that treat water drained therefrom.
- the present invention relates to a know-how visualization device used in the system and a know-how visualization method used in this device.
- the purpose is to support operators by extracting operation know-how from the history of operation data of skilled operators and visualizing and displaying the extracted operation know-how to operators in the monitoring and control system of water and sewage facilities. It is an object of the present invention to provide a know-how visualization device that can be used and a know-how visualization method used in this device.
- the know-how visualization device includes a narrowing unit, an extraction unit, and a display unit.
- the narrowing-down unit determines whether the process data collected at the water and sewage facility is data on which of the plurality of processing processes at the water and sewage facility.
- the extraction unit obtains an operation data history of the operator for the determined process and process data corresponding thereto, and determines an operation amount included in the history of the operation data from the acquired process data.
- the state quantity referred to at the time is extracted, and the know-how visualization data is generated by dividing the extracted state quantity into a plurality of cells based on the operation quantity.
- the display unit displays the know-how visualization data generated by the extraction unit as operation know-how.
- FIG. 1 is a block diagram illustrating a functional configuration of a monitoring control system provided with the know-how visualization device according to the present embodiment.
- FIG. 2 is a block diagram illustrating a functional configuration of the extraction unit illustrated in FIG. 1.
- FIG. 3 is a diagram for explaining clustering processing by the dividing unit shown in FIG.
- FIG. 4 is a diagram for explaining clustering processing by the dividing unit shown in FIG.
- FIG. 5 shows a diagram when the number of divisions divided by the dividing unit shown in FIG. 2 is evaluated using the value of the index H by the evaluation unit.
- FIG. 6 is a diagram illustrating a display example of operation know-how displayed on the display unit illustrated in FIG. 1.
- FIG. 7 is a diagram illustrating a display example of operation know-how displayed on the display unit illustrated in FIG.
- FIG. 8 is a flowchart showing processing when the know-how visualization device shown in FIG. 1 displays operation know-how.
- FIG. 9 is a diagram illustrating another example of the extraction unit illustrated in FIG. 2.
- FIG. 10 is a diagram showing guidance added to the matrix display displayed on the display unit shown in FIG.
- FIG. 11 is a diagram illustrating another example of the extraction unit illustrated in FIG. 2.
- FIG. 12 is a diagram illustrating a flowchart created by the flowchart creation unit.
- FIG. 13 is a diagram illustrating another example of the extraction unit illustrated in FIG. 2.
- FIG. 14 is a diagram illustrating another example of the extraction unit illustrated in FIG. 2.
- FIG. 15 is a diagram illustrating the cell order when the order of the state quantities on the vertical axis and the horizontal axis of the matrix display is changed.
- FIG. 16 is a diagram illustrating the cell order when the order of the state quantities on the vertical axis and the horizontal axis of the matrix display is changed.
- FIG. 17 is a diagram illustrating the cell order when the order of the state quantities on the vertical and horizontal axes of the matrix display is changed.
- FIG. 18 is a diagram illustrating the cell order when the order of the state quantities on the vertical and horizontal axes of the matrix display is changed.
- FIG. 19 is a diagram showing evaluation results for the cell order shown in FIG. 15 to FIG.
- FIG. 20 is a diagram illustrating a display example of operation know-how displayed on the display unit illustrated in FIG. 1.
- FIG. 1 is a block diagram illustrating a functional configuration of a monitoring control system in which a know-how visualization device 10 according to the present embodiment is provided.
- the monitoring control system shown in FIG. 1 monitors the state of a water and sewage facility.
- the supervisory control system controls the water and sewage facility in order to operate the water and sewage facility safely and stably.
- the water and sewage facilities include, for example, water treatment facilities for treating industrial water used in industrial facilities and water discharged from the industrial facilities.
- Industrial facilities include, for example, steel mills, paper mills, semiconductor manufacturing factories, food processing factories, and the like.
- a water purification plant facility is described as an example of a water and sewage facility.
- the pump of the raw water tank for example, the pump of the raw water tank, the driving motor of the flocculant charging device, the driving unit of the discharge valve for discharging the sediment in the coagulating tank, the driving unit of the filtration device, the driving motor of the disinfectant charging device,
- the power source for the UV disinfection lamp and the water pump for the water purification pond are included.
- the monitoring control system includes a know-how visualization device 10, a data input / output unit 20, a control controller 30, and a database 40.
- the data input / output unit 20 collects and collects process data and other data (not shown) acquired by various devices of the water treatment plant facility monitored and controlled by the monitoring control system.
- the process data includes raw data actually measured for each device and pseudo data obtained by simulation using computer simulation. Further, the process data is converted into a signal and supplied to the data input / output unit 20.
- Specific process data necessary for the operation and management of water purification plant facilities include the following.
- the flow rate of the raw water flowing through the pipe is included in the process data.
- the flocculant is added, the pH and turbidity before and after the addition are included in the process data.
- the treated water is distributed, the discharge pressure of the distribution pump, the flow rate, the pressure at the distribution end, and the like are included in the process data.
- the process data indicates a state quantity such as a sensor measurement value for monitoring the process state.
- the data input / output unit 20 outputs the collected process data to the database 40.
- the data input / output unit 20 receives a control signal transmitted from the control controller 30, and outputs the received control signal to each device of the water purification plant facility. Thereby, the process object required for operation and management of a water purification plant facility is controlled.
- the control signal for example, the valve opening degree for directly operating the behavior of the device to be processed, the chemical injection rate (or injection amount), and the like are controlled.
- the controller 30 receives a driving operation from an operator.
- the operator refers to the display unit 13 provided in the know-how visualization device 10 and grasps the processing necessary for the water purification plant facility.
- the control controller 30 outputs a control signal based on the input driving operation to the data input / output unit 20. Further, the control controller 30 outputs driving operation data based on the input driving operation to the database 40.
- the driving operation data indicates an operation amount related to the driving of the operator such as a flow rate and a pH target value.
- the control signal for controlling the valve opening degree, the chemical injection rate and the like is also included in the operation operation data.
- the database 40 records process data output from the data input / output unit 20 and driving operation data output from the controller 30 for control.
- the database 40 records a history of past driving operation data and process data acquired as a result of an operation according to the driving operation data.
- the database 40 outputs the process data and the operation data to be recorded to the know-how visualization device 10 in response to a read request from the know-how visualization device 10.
- the know-how visualization device 10 includes, for example, a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and other programs and data storage areas for the CPU to execute processing.
- the know-how visualization device 10 constructs the narrowing-down unit 11 and the extraction unit 12 by causing the CPU to execute an application program.
- the know-how visualization device 10 includes a display unit 13.
- the narrowing-down unit 11 reads out process data and driving operation data about the target process selected by the operator from the database 40.
- the narrowing-down part 11 discriminate
- the narrowing-down unit 11 outputs the determination result to the extraction unit 12.
- the narrowing-down unit 11 may directly capture process data from the data input / output unit 20.
- the process data and operation data stored in the database 40 are in a state of being classified and arranged. Therefore, it is possible to quickly reach the search target by fetching the process data and the driving operation data via the database 40, and the search result is also highly accurate.
- the extraction unit 12 includes a division unit 121 and an evaluation unit 122 as shown in FIG.
- the dividing unit 121 reads past driving operation data and process data corresponding to the process determined by the narrowing unit 11 from the database 40.
- the dividing unit 121 extracts the state amount referred to by the skilled operator from the read process data.
- the state quantity is, for example, raw water turbidity, water temperature, pH, alkalinity, and the like.
- the dividing unit 121 associates the extracted state quantity with the operation quantity included in the driving operation data.
- the dividing unit 121 performs clustering on the operation amount associated with the state amount. By performing clustering, the dividing unit 121 groups the driving operation data having the same operation amount with those having the corresponding state amounts close to each other.
- K-means method As for the clustering method, K-means method, group average method, single connection method, complete connection method, Ward method, centroid method, median method, M-Cut method, EM (ExpectationimMaximization) algorithm, and SVM (Support Vector Machine) ) Etc. should be used.
- the K-means method is a method of dividing data so that the distance between all data in the group from the center of gravity of the group is minimized.
- the group average method, the single connection method, the complete connection method, the Ward method, the centroid method and the median method are grouping methods in a hierarchical manner.
- the M-Cut method is an application of graph theory.
- the EM algorithm is a method using maximum likelihood estimation.
- SVM is a method using kernel tricks.
- FIG. 3 and 4 are diagrams for explaining the clustering process.
- FIG. 3 shows a case where the operation amount “high injection amount” operation and the “low injection amount” operation are grouped into two based on the state amount x1.
- FIG. 4 shows a case where the operation amount “high injection amount” operation and the “low injection amount” operation are grouped into four based on the state amounts x1 and x2.
- the evaluation unit 122 evaluates whether the number of divisions obtained by the division unit 121 is appropriate. From the viewpoint of visualization, it is better to have a smaller number of divisions, but if the number of divisions is too small, operational know-how cannot be expressed well. Therefore, the evaluation unit 122 calculates an evaluation index for a cell indicating a division into which each state quantity is divided, and adopts the division number with the best evaluation index.
- a mapping x i ⁇ k i (1 ⁇ k i ⁇ N i ) from each state quantity to the cluster is obtained by clustering.
- a vector ⁇ K ⁇ [k 1 , k 2 ,..., K s ] that summarizes the clustering results is called a cell (where ⁇ K ⁇ is a bold letter K). In other words, the total number of cell types is
- the evaluation unit 122 performs clustering on the state quantities of each evaluation data, and sets a data group corresponding to the cell ⁇ K ⁇ as a cluster result as all events. Of all the events, the frequency of data including the manipulated variable y [j] is Y [j] ⁇ K ⁇ .
- the manipulated variable y takes discrete values y [1] ,..., Y [m] .
- H ⁇ K ⁇ is obtained from the following equation.
- the evaluation unit 122 evaluates that the operation is more appropriate in the cell as the value of H ⁇ K ⁇ is smaller.
- the evaluation unit 122 When evaluating the number of divisions, first, the evaluation unit 122 calculates H ⁇ K ⁇ for all cells. Then, the evaluation unit 122 adds the calculated H ⁇ K ⁇ as shown in the following expression.
- the evaluation unit 122 calculates H for each set number of divisions while changing the setting of the number of divisions of the state quantity. The evaluation unit 122 uses the calculated H, and evaluates that the smaller the value of H, the more appropriate the number of divisions.
- FIG. 5 shows an example diagram when the number of divisions divided by the dividing unit 121 is evaluated by the evaluation unit 122 using the index H.
- the state quantities x 1 to x 4 included in the process data corresponding to the past driving operation data are clustered by the division number 2.
- the raw water turbidity k1, the water temperature k2, the pH k3, and the alkalinity k4 are divided into “1: high” and “2: low”, respectively.
- the division result is displayed in a matrix on the display unit 13 as shown in FIG. Although such a matrix display is not performed in the extraction unit 12, FIG. 5 will be described while designating cells in the matrix display.
- the evaluation unit 122 calculates the value of H ⁇ K ⁇ for all the cells, and then calculates H based on Expression (3).
- This H is an index when the number of divisions of the state quantities x 1 to x 4 is 2.
- the evaluation unit 122 also performs the above calculation for the other division numbers, and compares H calculated for each division number.
- the evaluation unit 122 evaluates the number of divisions based on how many blank cells with no attributed operation amount data exist in the divided cells. For example, the evaluation unit 122 uses the blank degree E defined as follows as an evaluation index.
- the evaluation unit 122 evaluates that the smaller the value of the evaluation index H and the value of the blankness E, the more appropriate the number of divisions.
- the evaluation unit 122 includes state quantities such as turbidity, water temperature, pH, and alkalinity, the number of divisions determined to be optimal by evaluation, the upper and lower limit values of the divided cells, and the operation amount set for the divided cells.
- the know-how visualization data for visualizing the know-how is output to the display unit 13.
- the display unit 13 displays the operation know-how by, for example, matrix display based on the know-how visualization data output from the extraction unit 12.
- FIG. 6 is a diagram illustrating a display example of operation know-how displayed on the display unit 13.
- the coagulant injection rate which is the operation amount y included in the past operation data of the plant
- two state quantities x 1 and x 2 that affect the coagulant injection rate are pH values in the process data.
- the water temperature is shown.
- the operation know-how regarding the state quantity pH and the water temperature that are divided into two parts is shown in a matrix display.
- FIG. 6 shows that when the pH is low (6.4 to 7.0), the flocculant injection rate has been operated at 21 ppm regardless of the water temperature.
- the pH is high (7.0 to 7.7), it is indicated that the flocculant injection rate has been changed according to the water temperature.
- FIG. 7 is a diagram illustrating a display example of operation know-how displayed on the display unit 13.
- operational know-how regarding four-dimensional state quantities (raw water turbidity, water temperature, pH, and alkalinity), each of which is divided into two, is shown in a matrix display. In the cell shown in FIG. 7, the operation amount is actually described.
- the number of dimensions of the state quantity in the matrix display is not limited to two.
- FIG. 8 is a flowchart showing processing when the know-how visualization device 10 according to the present embodiment displays operation know-how.
- the narrowing down unit 11 determines which process in the water treatment plant the process data read from the database 40 is for (Step S81).
- the division unit 121 in the extraction unit 12 reads past operation data and process data corresponding to the processing process determined by the narrowing unit 11 from the database 40 (step S82).
- the dividing unit 121 determines the number of divisions for the state quantity (step S83), and executes clustering for each state quantity so that the grouping is performed with the determined number of divisions (step S84). Thereby, the state quantity is divided according to the operation amount included in the driving operation data, and the upper and lower limit values of the divided section are obtained.
- the evaluation unit 122 of the extraction unit 12 evaluates the number of divisions using the value of the evaluation index H and the value of the blankness E (Step S85).
- the dividing unit 121 determines whether or not steps S83 to S85 have been executed a predetermined number of times set in advance (step S86). If not executed (No in step S86), the process proceeds to step S83. The processes in steps S83 to S85 are repeated.
- the dividing unit 121 determines the number of divisions having the smallest value of the evaluation index H and the value of the blankness E from the evaluated number of divisions. Is determined (step S87).
- the dividing unit 121 outputs know-how visualization data such as the state quantity, the number of divisions determined to be optimal by evaluation, the upper and lower limit values of the divided cells, and the operation amount set to the divided cells to the display unit 13. (Step S88).
- the display unit 13 displays operational know-how based on the know-how visualization data (step S89).
- the narrowing-down unit 11 determines which process the read process data is for.
- the extraction unit 12 classifies and organizes the history of driving operation data accumulated in the database 40 and the operation amounts and state amounts included in the process data corresponding thereto.
- the extraction unit 12 includes the state quantity referred to when determining the operation quantity, the number of divisions of the optimum state quantity for specifying the operation quantity, the upper and lower limit values of the divided cells, and the operation set for each cell.
- the know-how visualization data is created by extracting the quantity and the like from the history of the driving operation data and the process data corresponding thereto.
- the display unit 13 displays the know-how visualization data as operation know-how.
- the know-how visualization device 10 can acquire operation know-how from the history of driving operation data, and can support the operator with the acquired operation know-how. Further, the know-how visualization device 10 can systematically collect and visualize the operation know-how, so that the operation know-how can be efficiently transmitted to an operator who has little experience in a short period of time.
- the know-how visualization device 10 has a printing unit for printing data output from the extraction unit 12 instead of the display unit 13 or an output unit for outputting data output from the extraction unit 12 to the outside. May be provided.
- the extraction part 12 may be provided with the guidance addition part 123 as shown in FIG.
- the guidance adding unit 123 issues an instruction to add guidance to a position corresponding to the current state quantity in the matrix display displayed on the display unit 13.
- FIG. 10 is a diagram illustrating an example of a black triangle that is guidance added to the matrix display.
- the number of cells in the matrix is 1). Therefore, in the case of complicated operation know-how, it is difficult to grasp a cell corresponding to the current state quantity during operation from a huge number of cells.
- the guidance addition part 123 showed as an example the case where guidance as shown in FIG. 10 is added to the display part 13, it is not limited to this. Any other means may be used as long as the information regarding the current state quantity is added to the matrix display to facilitate the understanding of the operator.
- the extraction unit 12 may further include a flowchart creation unit 124 as shown in FIG.
- the flowchart creation unit 124 creates a flowchart based on the know-how visualization data created by the dividing unit 121 and the evaluation unit 122. At this time, the flowchart creation unit 124 refers to the created know-how visualization data and creates a flowchart so that the number of judgments by which the operator judges the operation amount is as small as possible.
- FIG. 12 shows a flowchart created based on FIG.
- the display unit 13 displays the created flowchart.
- the know-how visualization device 10 allows the skilled operator to know the plant operation know-how based on past operation data related to fluctuations between data. It is possible to display in accordance with the process of thinking when judging. Since the thought process when determining the operation amount from the state quantity related to the driving operation is displayed in order, an inexperienced operator can grasp the thought process when the skilled operator judges the operation amount. It becomes possible.
- the extraction unit 12 may include an abnormality determination unit 125 as shown in FIG.
- the abnormality determination unit 125 determines whether or not the operation amount for the cell corresponding to the current state amount exists in the past driving operation data. If present, the abnormality determination unit 125 waits for an operation from the operator. On the other hand, when it does not exist, the abnormality determination unit 125 determines that the situation is abnormal and notifies the operator that the situation is abnormal. This notification includes a warning indicating abnormality and a display for prompting attention.
- the abnormality determination unit 125 determines that an abnormality has occurred in the plant. The abnormality determination unit 125 notifies the operator of the abnormal situation because it is necessary to operate the plant as an abnormal situation.
- the operator can determine whether or not it is necessary to operate the know-how visualization device away from the support.
- the abnormality determination unit 125 determines that an abnormal situation occurs when the operation amount currently given to the controller as a driving operation and the cell operation amount corresponding to the current state amount of the matrix display are more than a certain threshold. You may make it judge that it is.
- the extraction unit 12 may further include a matrix rearrangement unit 126 as shown in FIG.
- the matrix rearrangement unit 126 displays the vertical and horizontal axes of the matrix that provides the most easily viewable matrix display for the number of divisions determined to be optimal by the evaluation unit 122 and the upper and lower limit values acquired by the division unit 121. Calculate the order.
- the matrix rearrangement unit 126 introduces an evaluation index for evaluating the order of the horizontal and vertical axes of the matrix in order to automatically calculate the order of the vertical and horizontal axes of the matrix.
- the evaluation index used here include the number of divided regions and the maximum area value.
- the area division number indicates the number of areas into which the matrix display is divided, with a set of cells in which adjacent cells have the same operation amount as one area. It is assumed that a smaller value is appropriate for the number of area divisions.
- the area maximum value indicates the number of adjacent cells having the same operation amount. It is assumed that a larger area maximum value is appropriate.
- the matrix rearrangement unit 126 calculates an evaluation index every time the order of the vertical axis and the horizontal axis of the matrix is rearranged, and adopts the order of the vertical axis and the horizontal axis of the matrix with the best evaluation index.
- FIGS. 15 to 18 two-dimensional state quantities are divided by the number of divisions 2, and the order of the state quantities on the vertical and horizontal axes of the matrix display in which the upper and lower limit values of the divided sections are the same is changed.
- FIG. 6 is a diagram showing cell order (1) to (4) at the time.
- FIG. 19 is a diagram showing evaluation indices for the cell orders (1) to (4) shown in FIGS. 15 to 18, respectively.
- the matrix rearrangement unit determines that the cell order (1) shown in FIG. 15 having the smallest number of area divisions and the largest area value is the best order of the vertical and horizontal axes of the matrix. .
- the matrix rearrangement unit includes information on the best cell order in the know-how visualization data and outputs the information to the display unit 13.
- the know-how visualization device uses the matrix rearrangement unit to rearrange the order of the vertical and horizontal axes of the matrix in the optimal order with reference to the evaluation index, thereby making it easier for the operator to determine the driving operation. I try to make it.
- the display unit 13 may display the know-how visualization data by, for example, a graph display with contour lines shown in FIG.
- the horizontal axis represents the pH state quantity
- the vertical axis represents the water temperature state quantity
- the level of the manipulated variable at that time is expressed by shading.
- FIG. 20 when the water temperature is low and the pH is high, the flocculant injection rate should be low.
- the know-how visualization device in the monitoring and control system of the water and sewage facility, the operation know-how is extracted from the history of operation data of the skilled operator, and the extracted operation know-how is visualized to the operator. Can be displayed. As a result, the operator can confirm the know-how of plant operation and operate and manage the water purification plant facility safely, securely and efficiently.
Abstract
Description
図1は、本実施形態に係るノウハウ可視化装置10が設けられる監視制御システムの機能構成を示すブロック図である。図1に示す監視制御システムは、上下水道施設の状態を監視する。監視制御システムは、上下水道施設を安全かつ安定的に運用するために、上下水道施設を制御する。ここで、上下水道施設には、例えば、産業施設で使用される工業用水及び産業施設から排水される水の処理を行う水処理施設が含まれる。産業施設には、例えば、製鉄所、製紙工場、半導体製造工場及び食品加工工場等が含まれる。なお、図1では、上下水道施設の例として、浄水場施設を記載する。浄水場施設には、例えば、原水槽のポンプ、凝集剤投入装置の駆動モータ、凝集槽内の沈殿物を排出する排出バルブの駆動部、ろ過装置の駆動部、消毒剤投入装置の駆動モータ、紫外線消毒ランプの電源、及び、浄水池の送水ポンプ等が含まれる。
Claims (14)
- 上下水道施設で収集されたプロセスデータが、前記上下水道施設における複数の処理プロセスのうちいずれのプロセスについてのデータかを判別する絞込み部と、
前記判別されたプロセスに対する運転員の運転操作データの履歴及びこれに対応するプロセスデータを取得し、前記取得したプロセスデータから、前記運転操作データの履歴に含まれる操作量を決定した際に参照された状態量を抽出し、前記抽出した状態量を、前記操作量に基づいて複数のセルに分割することでノウハウ可視化データを生成する抽出部と、
前記抽出部で生成されたノウハウ可視化データを運用ノウハウとして表示する表示部とを具備するノウハウ可視化装置。 - 前記抽出部は、
前記取得したプロセスデータから、前記状態量を抽出し、前記抽出した状態量を、前記操作量に基づいて複数のセルに分割し、前記分割するセルの上下限値を取得する分割部と、
前記複数のセルの分割数が妥当であるか否かを予め設定される指標を用いて判断し、最も妥当であると判断した分割数、この分割数について取得される上下限値、前記状態量、及び、前記セルに設定される操作量を前記ノウハウ可視化データとして前記表示部へ出力する評価部と
を備える請求項1記載のノウハウ可視化装置。 - 前記表示部は、前記ノウハウ可視化データを、マトリクス表示で表示し、
前記抽出部は、前記マトリクス表示における、前記プロセスの現在の状態量に対応する位置にガイダンスを付加するように、前記表示部へ指示を出すガイダンス付加部を備える請求項2記載のノウハウ可視化装置。 - 前記抽出部は、前記ノウハウ可視化データに基づき、運転員が操作量を判断する判断数がなるべく少なくなるようにフローチャートを作成するフローチャート作成部を備え、
前記表示部は、前記フローチャートを表示する請求項2記載のノウハウ可視化装置。 - 前記抽出部は、前記プロセスの現在の状態量に対応する操作量が、前記取得した運転操作データの履歴に存在していない場合、異常が発生したと判定する請求項2記載のノウハウ可視化装置。
- 前記表示部は、前記ノウハウ可視化データを、マトリクスで表示し、
前記抽出部は、前記マトリクスにおける前記セルの表示順序を、視認性を評価する第2の指標を用いて前記セルの配列を変更するマトリクス再配列部を備える請求項2記載のノウハウ可視化装置。 - 前記表示部は、前記ノウハウ可視化データを、等高線によるグラフで表示する請求項1記載のノウハウ可視化装置。
- 上下水道施設で収集されたプロセスデータが、前記上下水道施設における複数の処理プロセスのうちいずれのプロセスについてのデータかを判別し、
前記判別されたプロセスに対する運転員の運転操作データの履歴及びこれに対応するプロセスデータを取得し、
前記取得したプロセスデータから、前記運転操作データの履歴に含まれる操作量を決定した際に参照された状態量を抽出し、
前記抽出した状態量を、前記操作量に基づいて複数のセルに分割することでノウハウ可視化データを生成し、
前記生成したノウハウ可視化データを運用ノウハウとして表示するノウハウ可視化方法。 - 前記取得したプロセスデータから、前記状態量を抽出し、前記抽出した状態量を、前記操作量に基づいて複数のセルに分割し、
前記分割するセルの上下限値を取得し、
前記複数のセルの分割数が妥当であるか否かを予め設定される指標を用いて判断し、
最も妥当であると判断した分割数、この分割数について取得される上下限値、前記状態量、及び、前記セルに設定される操作量を前記ノウハウ可視化データとして生成する請求項8記載のノウハウ可視化方法。 - 前記表示部により、前記運用ノウハウを、マトリクス表示で表示し、
前記マトリクス表示における、前記プロセスの現在の状態量に対応する位置にガイダンスを付加する請求項9記載のノウハウ可視化方法。 - 前記ノウハウ可視化データに基づき、判断数がなるべく少なくなるようにフローチャートを作成し、
前記作成したフローチャートを表示する請求項9記載のノウハウ可視化方法。 - 前記プロセスの現在の状態量に対応する操作量が、前記取得した運転操作データの履歴に存在していない場合、異常が発生したと判定し、
異常が発生した旨を表示する請求項9記載のノウハウ可視化方法。 - 前記ノウハウ可視化データを、マトリクス表示で表示する際、前記マトリクス表示における前記セルの表示順序を、視認性を評価する第2の指標を用いて評価し、前記評価が最も高い表示順序となるように、前記セルの配列を変更する請求項9記載のノウハウ可視化方法。
- 前記取得したノウハウ可視化データを、等高線によるグラフで表示する請求項8記載のノウハウ可視化方法。
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