JP2013050819A - Plant monitoring control device and plant monitoring control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant monitoring control device that notifies an operator of guidance required to restore a control state of a plant to a normal control state when multiple alarms are simultaneously activated and allows the operator to select optimum guidance from the notified guidance.SOLUTION: A plant monitoring control device of one embodiment determines whether or not a control state of a plant is abnormal and connects a plurality of tag data containing control value information and alarm information to a controller for executing management and notification thereof. In the plant monitoring control device, an alarm relevance factor is calculated on the basis of a number of pieces of alarm information in each of the plurality of notified tag data, a number of alarms indicated by activated alarm information in read state information, and a number of alarms conforming to one another out of alarms indicated by the alarm information and the alarms indicated by the activated alarm information. Further, the calculated alarm relevance factor is caused to be displayed.

Description

  Embodiments described herein relate generally to a plant monitoring control apparatus and a plant monitoring control method.

  2. Description of the Related Art There is known a plant monitoring control device that communicates with a controller that controls a plant constituted by a plurality of control loops, and that monitors the control state of the plant based on a control value controlled by the controller. Here, in the controller, tag data including control value information indicating a large number of control values and an alarm (alarm) indicating an abnormality in the control state is registered in advance for each control loop. Further, the controller determines that the control state of the plant is abnormal when the control value being controlled exceeds a preset abnormal range threshold, and tag data including control value information indicating the control value and an alarm is transmitted to the plant. Sent to the supervisory controller.

  Thereby, the plant monitoring and control apparatus can monitor and control tag data including control value information indicating a plurality of control values for the controller to determine whether or not the control state of the plant is abnormal.

  This plant monitoring and control device generally has a function of displaying tag data on a display, a function of checking an alarm issued from the controller when the control state of the plant is abnormal, and a work for recovering the control state of the plant from which the alarm is issued. It has a function of notifying the operator of the suggested guidance and a function of sending a control request to a controller that manages a plurality of tag data.

  Thus, when an alarm is issued from the controller, an operator (also called a supervisor or a plant operator) can receive a notification of guidance from the plant monitoring control device, and based on this guidance, an appropriate control request is sent to the controller. It becomes possible to send.

JP 2006-39648 A JP 2000-89873 A

  However, in the plant monitoring and control apparatus configured as described above, when an alarm is issued simultaneously and frequently from the controller, a large number of guidances are notified to the operator. For this reason, there arises a disadvantage that the operator has to select an optimum guidance from the notified many guidances. Further, when alarms are issued simultaneously and a large number of guidances are notified to the operator, all of these guidances are not necessarily required to restore the control state of the plant.

  The problem to be solved by the present invention is to notify an operator of guidance necessary for recovering the control state of the plant when alarms are issued simultaneously and to the operator. An object of the present invention is to provide a plant monitoring and control apparatus capable of selecting optimum guidance from guidance.

  The plant monitoring and control apparatus of the embodiment has control value information indicating a plurality of control values for the controller to determine whether or not the control state of the plant is abnormal, and when the control state is determined to be abnormal Among the plurality of alarms generated by the controller, the controller is connected to the controller for managing and notifying a plurality of tag data including alarm information indicating the currently occurring alarm.

  In the plant monitoring and control device, history information storage means includes history information including time information and history content information indicating how control value information and alarm information in each managed tag data have changed. Remember.

  In the plant monitoring and control device, the state information storage means includes state information including a period information indicating a period in which the control state is abnormal, and generated alarm information indicating the alarm generated in the period indicated by the period information. Remember.

  In the plant monitoring and control apparatus, the period information is written in the state information storage unit in response to an operation by an operator.

  In the plant monitoring and control apparatus, when the period information is written in the state information storage unit, the alarm information in each notified tag data is written as the generated alarm information in the state information storage unit, and The history information having the time information indicating the time within the period indicated by the period information is read from the history information storage means, and it is indicated that the history information is changed to be newly generated by the history content information in the read history information. An alarm is written in the state information storage means as the generated alarm information.

  In the plant monitoring control device, the value of at least one information among the information included in the stored state information is set as a search condition.

  In the plant monitoring control device, based on the set search condition, the state information matching the search condition is read from the state information storage means.

  In the plant monitoring and control apparatus, the number of alarm information in each notified tag data, the number of alarms indicated by the generated alarm information in the read state information, the alarm indicated by the alarm information, and Based on the number of matching alarms among the alarms indicated by the generated alarm information, the alarm adaptation rate is calculated.

  In the plant monitoring control device, the calculated alarm adaptation rate is displayed.

  In the plant monitoring control apparatus, when the guidance information storage means matches the guidance ID information, the condition information indicating the combination of the alarms, and the alarm information matches the combination of alarms indicated by the condition information, the operator Guidance information including guidance content information indicating the content of guidance to be notified is stored.

  In the plant monitoring control apparatus, the guidance information having the alarm combination matching the alarm indicated by the written occurrence alarm information as the condition information is read from the guidance information storage means, and the read guidance information The guidance ID information is written in the state information storage means as the generation guidance information.

  In the plant monitoring and control apparatus, the guidance content information included in the read guidance information is displayed to notify the operator of the guidance content information.

  In the plant monitoring and control apparatus, the number of guidance information having guidance content information notified to the operator, the number of guidances indicated by the generated guidance information in the read state information, and the guidance information The guidance relevance ratio is calculated based on the guidance ID information and the number of pieces of guidance ID information that match each other among the guidance ID information indicated by the generated guidance information.

  The plant supervisory control device displays the calculated guidance conformity rate.

It is a schematic diagram which shows the structural example of the plant monitoring system containing the plant monitoring control apparatus which concerns on 1st Embodiment. It is a mimetic diagram showing an example of history information in the embodiment. It is a schematic diagram which shows an example of the guidance information in the embodiment. It is a schematic diagram which shows an example of the status information in the embodiment. It is a flowchart which shows the operation example of the plant monitoring control apparatus in the embodiment. It is a schematic diagram which shows the example of a screen of the registration screen in the embodiment. It is a schematic diagram which shows the example of a search screen in the embodiment. It is a schematic diagram which shows the example of a search result screen in the embodiment. It is a schematic diagram which shows the example of a screen of the calculation result screen in the embodiment. It is a schematic diagram which shows the structural example of the plant monitoring system containing the plant monitoring control apparatus which concerns on 2nd Embodiment. It is a schematic diagram which shows an example of the plant information in the embodiment. It is a flowchart which shows an example of the plant information generation operation | movement of the plant monitoring control apparatus in the embodiment. It is a schematic diagram which shows the structural example of the plant monitoring system containing the plant monitoring control apparatus which concerns on 3rd Embodiment. It is a flowchart which shows an example of the log | history execution operation | movement of the plant monitoring control apparatus in the embodiment.

(First embodiment)
FIG. 1 is a schematic diagram illustrating a configuration example of a plant monitoring system including a plant monitoring control device according to the first embodiment. The plant monitoring system 1 includes a controller 10, a plant monitoring control device 20, an input device 30 and a display device 40.

  The controller 10 includes a tag data storage unit 11 and a management unit 12.

  The tag data storage unit 11 stores a plurality of tag data including control value information and alarm information. The control value information indicates a plurality of control values (for example, a current value, a target value, a set value, an upper limit value, etc.) for the management unit 12 to determine whether or not the control state of the plant is abnormal. In addition, the alarm information is currently occurring among a plurality of alarms created by the management unit 12 when it is determined that the control state of the plant is abnormal because each control value indicated by the control value information varies. Indicates an alarm.

  When the management unit 12 determines that the control state of the plant is abnormal, the management unit 12 creates (generates) alarm information and writes the alarm information in each tag data stored in the tag data storage unit 11 (or each tag data It has a function to rewrite alarm information in In addition, the management unit 12 writes the alarm information in each tag data (or rewrites the alarm information in each tag data), and notifies the plant monitoring control device 20 of the tag data including the alarm information. Have

  Here, the plant monitoring control device 20 includes a history information storage unit 21, a guidance information storage unit 22, a state information storage unit 23, an input reception unit 24, a display unit 25, and a monitoring control unit 26.

  The history information storage unit 21 stores history information 21a including time information and history content information as shown in FIG. The time information indicates the time. The history content information indicates how the control value information and alarm information in each tag data managed (notified) by the controller 10 has changed. In the present embodiment, the time information is expressed in 24-hour notation, but the present invention is not limited to this. For example, notation using AM (AM) and PM (PM) is applicable.

  The guidance information storage unit 22 stores guidance information 22a including guidance ID information, condition information, and guidance content information as shown in FIG. The guidance ID information indicates identification information for identifying the guidance information 22a. The condition information indicates a condition for notifying the operator of the guidance, and indicates a combination of alarms issued from the plant. Furthermore, the guidance content information indicates the content of guidance to be notified to the operator when the combination of alarms occurring in the plant matches the combination of alarms indicated by the condition information.

  In the present embodiment, the plant monitoring control device 20 includes the history information storage unit 21 and the guidance information storage unit 22, but is not limited thereto. For example, the history information storage unit 21 and the guidance information are provided. A configuration including a storage unit that stores information stored in the storage unit 22 is applicable.

  The state information storage unit 23 stores state information 23a including registration ID information, period information, generated alarm information, generated guidance information, memo information, and history information as shown in FIG. The registration ID information indicates identification information for identifying the state information 23a. The period information indicates a period during which the plant control state is abnormal. The generated alarm information indicates an alarm that has occurred within the period indicated by the period information. The occurrence guidance information indicates guidance issued (notified) to the operator based on a combination of alarms indicated by the occurrence alarm information. Further, the memo information indicates a document that can be arbitrarily input by the operator. For example, the memo information indicates a document or the like for explaining what work the operator was performing within the period indicated by the period information.

  The input receiving unit 24 has a function of receiving information (for example, period information and memo information) input by the input device 30 in accordance with the operation of the operator.

  The display unit 25 has a function of generating screen information based on a screen display request transmitted from the monitoring control unit 26 described later, and causing the display device 40 to display the generated screen information.

  The monitoring control unit 26 has, for example, the following functions (f26-1) to (f26-8).

  (f26-1) A function of writing the period information and memo information received by the input receiving unit 24 in the state information storage unit 23.

  (f26-2) When the period information and the memo information are written in the state information storage unit 23, the alarm information in each tag data managed (notified) by the controller 10 is written in the state information storage unit 23 as the generated alarm information. The history information 21a having time information indicating the time within the period indicated by the period information is read from the history information storage unit 21, and changed so as to be newly generated by the history content information in the read history information 21a. An alarm information writing function for writing an alarm indicating that it has occurred to the status information storage unit 23 as generated alarm information.

  (f26-3) A function of writing the history information 21a read out by the alarm information writing function (f26-2) into the state information storage unit 23.

  (f26-4) Guidance information 22a having, as condition information, a combination of alarms matching the alarm indicated by the generated alarm information written by the alarm information writing function (f26-2) is read from the guidance information storage unit 22, A guidance information writing function for writing the guidance ID information in the read guidance information 22a into the state information storage unit 23 as generated guidance information.

  (f26-5) A search condition setting function for setting a value of at least one information among the information included in the state information 23a stored in the state information storage unit 23 as a search condition.

  (f26-6) State information reading function for reading (extracting) state information 23a matching the search condition from the state information storage unit 23 based on the search condition set by the search condition setting function (f26-5) .

  (f26-7) The number of alarm information in each tag data managed (notified) by the controller 10 and the alarm indicated by the generated alarm information in the status information 23a read by the status information reading function (f26-6) Of calculating the alarm conformance rate based on the number of alarms and the number of matching alarms among the alarms indicated by the alarm information and the alarms indicated by the generated alarm information.

  (f26-8) The number of guidance information 22a having guidance content information notified to the operator and the guidance information indicated by the generated guidance information in the status information 23a read by the status information reading function (f26-6) A function for calculating the guidance relevance rate based on the number of pieces of guidance ID information in the guidance information 22a and the guidance ID information indicated by the generated guidance information.

  The input device 30 is connected to the plant monitoring control device 20 and has a function of inputting period information and memo information to the plant monitoring control device 20 in accordance with an operation of the operator. Indicates equipment.

  The display device 40 is connected to the plant monitoring control device 20 and has a function of displaying each screen described later based on the screen information transmitted from the display unit 25 in the plant monitoring control device 20.

  Next, an example of operation | movement of the plant monitoring control apparatus comprised as mentioned above is demonstrated, referring the flowchart of FIG. 5, and the schematic diagram of FIGS.

  First, the input receiving unit 24 receives the input of the period information and the memo information input by the input device 30 according to the operation of the operator, and then detects the pressing of the registration button g1. Information and memo information are transmitted to the monitoring control unit 26 (step S101). Here, as shown in FIG. 6, the input receiving unit 24 receives input of period information “09: 30-10: 10” and memo information “working on plant regular inspection A”. FIG. 6 shows an example of the registration screen G1 displayed on the display device 40. The registration screen G1 is displayed on the display device 40 as a message in a dialog format, for example.

  Subsequently, when receiving the period information and the memo information transmitted from the input receiving unit 24, the monitoring control unit 26 receives the received period information “09: 30-10: 10” and the memo information “working on plant regular inspection A. Is written in the state information storage unit 23 (step S102).

  In the present embodiment, the monitoring control unit 26 is configured to write the period information and the memo information in the state information storage unit 23. However, the present invention is not limited to this. For example, the input receiving unit 24 includes the period information and the memo information. A configuration in which the received period information and memo information are written in the state information storage unit 23 after receiving the input is applicable.

  Next, the monitoring control unit 26 writes the alarm information notified from the controller 10 into the state information storage unit 23 as generated alarm information (step S103). Here, the monitoring control unit 26 writes the generated alarm information “alarm B” in the state information storage unit 23.

  Subsequently, the monitoring control unit 26 stores history information 21 a having time information indicating the time within the period indicated by the period information “09: 30-10: 10” written in step S <b> 102 from the history information storage unit 21. Reading and writing the read history information 21a into the state information storage unit 23 (step S104). Here, the monitoring control unit 26 reads the history information 21 a having the time information “09:59, 10:00, 10:01” from the history information storage unit 21, and the history information “09:59 tag A alarm A Occurrence, 10:00 Tag A parameter change Current value 90 → 50, 10:01 Tag A Alarm A recovery ”is written in the status information storage unit 23.

  Next, the monitoring control unit 26 writes the recovered alarm indicated by the history information written in step S104 into the state information storage unit 23 as generated alarm information (step S105). Here, the monitoring control unit 26 writes the generated alarm information “alarm A” in the state information storage unit 23. As a method for the monitoring control unit 26 to read a recovered alarm from the written history information, for example, “recovery” is set in advance as a keyword, and an alarm name positioned before this keyword is set. A method of reading as a recovered alarm is applicable.

  Subsequently, the monitoring control unit 26 reads out the guidance information 22a having the combination that matches the “alarm A, alarm B” written as the generated alarm information in steps S103 and S105 from the guidance information storage unit 22, The guidance ID information in the read guidance information 22a is written into the state information storage unit 23 as generated guidance information (step S106). Here, the monitoring control unit 26 writes the generated guidance information “guidance A” in the state information storage unit 23. Further, the monitoring control unit 26 sends a screen display request for causing the display device 40 to display the guidance content information included in the guidance information 22a read out in step S106, to the display unit 25. The display unit 25 Based on the above, the process of displaying the guidance content information on the display device 40 (that is, the process of transmitting the generated screen information to the display device 40 after generating the screen information for displaying the guidance content information) is executed. To do. Thereby, the guidance content information is notified to the operator.

  When the processing of steps S101 to S106 is executed, the monitoring control unit 26 sends a screen display request for displaying the search screen G2 on the display device 40 to the display unit 25, and the display unit 25 displays the screen display. Based on the request, a process for displaying the search screen G2 on the display device 40 (that is, a process for generating the screen information for displaying the search screen G2 and then transmitting the generated screen information to the display device 40). Run.

  Next, the input receiving unit 24 receives input to a plurality of search condition fields in the search screen G2 according to the operation of the operator (step S107). Here, the input reception unit 24 receives an input of “09: 30-10: 30” for the period item among the plurality of search condition columns.

  Next, the monitoring control unit 26 determines whether or not the search button g2 in the search screen G2 has been pressed (that is, whether or not a signal indicating that the search button g2 has been pressed is transmitted from the input receiving unit 24). Determination is made (step S108). If the determination result in step S108 indicates NO (step S108: “No”), the process returns to step S107.

  When the processing of steps S107 and S108 is executed, the monitoring control unit 26 sends a screen display request for displaying the search result screen G3 on the display device 40 to the display unit 25, and the display unit 25 displays this screen. Based on the display request, a process for displaying the search result screen G3 on the display device 40 (that is, after generating screen information for displaying the search result screen G3, the generated screen information is transmitted to the display device 40. Process).

  When the result of determination in step S108 indicates that it has been pressed (step S108: “Yes”), the monitoring control unit 26 sets the input value received by the input receiving unit 24 as a search condition, and the setting is performed. The state information 23a that matches the search condition is read from the state information storage unit 23 (step S109). Here, as shown in FIG. 8, the monitoring control unit 26 reads the state information 23 a having the registration ID information “2” from the state information storage unit 23.

  Subsequently, the monitoring control unit 26 determines whether or not the execution button g3 in the search result screen G3 has been pressed (that is, whether or not a signal transmitted from the input receiving unit 24 and indicating the pressing of the execution button g3 has been received). Is determined (step S110). When the determination result in step S110 indicates NO (step S110: “No”), for example, the monitoring control unit 26 displays message information indicating that there is no state information that matches the search condition, on the display unit. After the display on the display device 40 via 25, the operation in the plant monitoring control device 20 is terminated.

  When the result of the determination in step S110 indicates that it has been pressed (step S110: “Yes”), the monitoring control unit 26 includes the number of alarm information notified from the controller 10 and the read status information. The alarm adaptation rate is calculated based on the number of alarms indicated by the generated alarm information and the number of matching alarms among the alarm indicated by the alarm information and the alarm indicated by the generated alarm information (step S111). . Here, the monitoring control unit 26 sets the number of alarm information “1 (alarm B)”, the number of generated alarm information “2 (alarm A, alarm B)”, and the number of matching alarms “1 (alarm B)”. ”And the alarm relevance rate is calculated.

  The alarm adaptation rate is calculated based on the following equation (1).

Alarm conformance rate = number of matching alarms / (number of alarm information or number of generated alarm information, whichever is larger) × 100 (1)
That is, the alarm matching rate indicates “50 (= ½ × 100) [%]” based on the equation (1).

  Thereafter, as shown in FIG. 9, the display unit 25 causes the display device 40 to display a calculation result screen G4 indicating the calculated alarm adaptation rate “50 [%]” (step S112). The operation in the control device 20 is finished.

  Here, the alarm matching rate is shown as a reference for determining whether or not the guidance should be preferentially executed by the operator. As the alarm matching rate becomes higher, as shown in FIG. This indicates that the priority (that is, the priority order) for executing the content of the guidance indicated by the occurrence guidance information associated with the precision ratio information (alarm precision ratio) is high.

  In the present embodiment, it is assumed that the monitoring control unit 26 calculates only the alarm conformance rate. However, after calculating the alarm conformance rate (that is, after the processing of step S111), the guidance conformity rate may be calculated. Good.

  In this case, the monitoring control unit 26 includes the number of guidance information 22a having guidance content information notified to the operator, the number of guidances indicated by the generated guidance information in the state information 23a read in step S109, Based on the guidance ID information in the guidance information 22a and the guidance ID information indicated by the generated guidance information, the guidance relevance ratio is calculated based on the number of matching guidance ID information. Here, the monitoring control unit 26 calculates the guidance relevance rate based on the number of guidance information “0”, the number of guidance “1” indicated by the generated guidance information, and the number of matching guidance ID information “0”. calculate.

  The guidance relevance rate is calculated based on the following equation (2).

Guidance relevance rate = number of matching guidance ID information / (the number of guidance information or the number of guidances indicated by the generated guidance information, whichever is greater) × 100
... Formula (2)
That is, the guidance conformity rate indicates “0 (= 0/1 × 100) [%]” based on Expression (2).

  Here, the guidance relevance rate is shown as a reference for determining whether or not the guidance should be preferentially executed by the operator when a plurality of alarm relevance rates calculated in step S111 show the same value. This indicates that the priority for executing the content of the guidance indicated by the generated guidance information associated with the accuracy information increases as the guidance accuracy rate increases.

  According to the first embodiment described above, the functions (f26-1) to (f26-4) that support the registration work for notifying the necessary guidance, the alarm conformance rate, and the guidance conformance rate are calculated. With the configuration provided with the functions (f26-5) to (f26-8), the operator is notified of the necessary guidance and at the same time the optimum guidance by referring to the alarm conformance rate and the guidance conformity value. Can be selected.

(Second Embodiment)
FIG. 10 is a schematic diagram illustrating a configuration example of a plant monitoring system including the plant monitoring control device according to the second embodiment. Unlike the configuration illustrated in FIG. 1, plant information is included in the plant monitoring control device 20. The generation unit 27 is further provided.

  Here, as shown in FIG. 11, the plant information generation unit 27 generates plant information 27a including time information and plant state information indicating the state of the plant at the time indicated by the time information, and the generated plant For example, the information 27a is written in a memory (not shown).

  Next, the plant information generation operation of the plant monitoring control device configured as described above will be described with reference to the schematic diagram of FIG. 11 and the flowchart of FIG. However, it is assumed that the input receiving unit 24 receives an input of “09: 30-10: 30” in the period item of the search condition column in the search screen G2 according to the operation of the operator.

  First, the plant information generation unit 27 acquires current time information indicating the current time from a clock unit (not shown) (step S201). Here, it is assumed that the plant information generation unit 27 has acquired the current time information “10:15”.

  Subsequently, the plant information generation unit 27 has time information indicating a time before the current time indicated by the acquired current time information, and has been received by the input reception unit 24 (that is, the search condition by the monitoring control unit 26). The history information 21a having the time information indicating the time within the period indicated by the search condition “09: 30-10: 30” is set from the history information storage unit 21 (step S202). Here, the plant information generation unit 27 reads the history information 21 a having the time information “09:59, 10:00, 10:01” from the history information storage unit 21.

  Next, the plant information generation unit 27 designates history information 21a having time information indicating the time closest to the current time indicated by the acquired current time information among the read history information 21a (step S203). ). Here, the plant information generation unit 27 designates the history information 21a having the time information “10:01”.

  Subsequently, the plant information generation unit 27 determines whether or not the history content information in the designated history information 21a includes content indicating “alarm recovery” (step S204). As a method for determining whether or not the content indicating the alarm recovery is included, for example, “alarm recovery” is set as a keyword in advance, and determination is performed to determine whether or not this keyword is detected. Methods etc. are applicable.

  When indicating that the determination result in step S204 is included (step S204: “Yes”), the plant information generation unit 27 indicates the time information “10:01” in the specified history information 21a. The state information 23a having the period information including the time to be read is read from the state information storage unit 23 (step S205). Here, the plant information generation unit 27 reads the state information 23 a having the period information “09: 30-10: 10” from the state information storage unit 23.

  If the result of the determination in step S204 indicates no (step S204: “No”), the process proceeds to step S207 described later.

  Next, the plant information generation unit 27 generates time information “10:01” in the designated history information 21a and an alarm indicated by the generated alarm information in the read state information 23a (that is, “alarm A, Among the alarms B ”), plant information 27a including the plant state information indicating the alarm“ alarm B ”excluding the alarm (ie,“ alarm A ”) included in the keyword detected in step S204 is generated (step S206). ).

  Subsequently, the plant information generation unit 27 determines whether or not history information excluding the designated history information is included in the read history information 21a (step S207). If the result of the determination in step S207 indicates NO (step S207: “No”), the plant information generation operation in the plant monitoring control device 20 is terminated.

  If it is indicated that the result of determination in step S207 is included (step S207: “Yes”), the process returns to step S203.

  Each time the plant information 27a is generated by the plant information generator 27, the plant information generator 27 writes the plant information 27a in a memory or the like (not shown). The plant information generation operation is executed when the search button g2 in the search screen G2 is pressed (that is, when the input receiving unit 24 receives an input indicating that the search button is pressed), and is generated by the plant information generating unit 27. The plant information 27a to be displayed may be displayed on the display device 40 together with the state information indicating the search result in the search result screen G3.

  According to the second embodiment described above, the configuration including the plant information generation unit 27 that generates the plant information 27a allows the guidance registration work for notifying the operator of necessary guidance more smoothly. it can.

(Third embodiment)
FIG. 13 is a schematic diagram illustrating a configuration example of a plant monitoring system including a plant monitoring control device according to the third embodiment. Unlike the configuration illustrated in FIGS. 1 and 10, the plant monitoring control device 20 includes a plant monitoring control device 20. The history execution unit 28 is further provided.

  Here, the history execution unit 28 sets the current control value so as to coincide with the change in the control value information indicated in the history content information in the history information in the status information 23a searched (extracted) by the monitoring control unit 26. It has a function to execute control processing for information.

  Next, the history execution operation of the plant monitoring control apparatus configured as described above will be described with reference to the flowchart of FIG. However, it is assumed that the input receiving unit 24 receives an input of “09: 30-10: 30” in the period item of the search condition column in the search screen G2 according to the operation of the operator. Further, it is assumed that the monitoring control unit 26 sets the received input value as a search condition and executes a search process.

  First, the history execution unit 28 reads the history information in the state information 23a searched (extracted) by the monitoring control unit 26 (step S301). Here, as shown in FIG. 8, the history execution unit 28 generates history information “09:59 tag A alarm A occurrence, 10:00 tag A parameter change current value 90 → 50, 10:01 tag A alarm A Read "Recovery".

  Next, the history execution unit 28 designates history information having time information indicating the earliest time among the read history information (step S302). Here, the history execution unit 28 designates history information “09:59 tag A alarm A occurrence” having time information “09:59”.

  Subsequently, the history execution unit 28 determines whether or not the history content indicated by the specified history information is history content indicating that each control value managed by the controller 10 is controlled (step S303). . If the result of the determination in step S303 indicates NO (step S303: “No”), the process proceeds to step S305 described later.

  As a method for determining whether or not the history content indicates that each control value is controlled, for example, “parameter change” is preset as a keyword, and it is determined whether or not this keyword is detected. A determination method or the like can be applied.

  When the result of determination in step S303 is history content indicating that each control value is controlled (step S303: “Yes”), the history execution unit 28 executes the control process indicated by the specified history information. (Step S304).

  Next, the history execution unit 28 determines whether or not history information excluding the designated history information is included in the read history information (step S305). In addition, when the result of the determination in step S305 indicates NO (step S305: “No”), the history execution operation in the plant monitoring control device 20 is terminated.

  When it is indicated that the determination result in step S305 is included (step S305: “Yes”), the process returns to step S302.

  According to the third embodiment described above, a series that is necessary to recover the control state of the plant by the configuration including the history execution unit 28 that executes the control process indicated by the history information in the state information 23a. The control process can be executed.

  According to at least one embodiment described above, the configuration including the monitoring control unit 26 that supports the registration work for registering necessary guidance in advance and calculates the alarm conformance rate and the guidance conformance rate can be performed simultaneously. When multiple alarms are issued, it is possible to notify the operator of guidance necessary for restoring the control state of the plant, and the operator can select the optimal guidance from the notified notification. .

  In addition, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  DESCRIPTION OF SYMBOLS 1 ... Plant monitoring system, 10 ... Controller, 11 ... Tag data storage part, 12 ... Management part, 20 ... Plant monitoring control apparatus, 21 ... History information storage part, 21a ... History information, 22 ... Guidance information storage part, 22a ... Guidance information, 23 ... State information storage unit, 23a ... State information, 24 ... Input reception unit, 25 ... Display unit, 26 ... Monitoring control unit, 27 ... Plant information generation unit, 28 ... History execution unit, 30 ... Input device, 40 ... display device, G1 ... registration screen, G2 ... search screen, G3 ... search result screen, G4 ... calculation result screen, g1 ... registration button, g2 ... search button, g3 ... execution button.

Claims (4)

Control value information indicating a plurality of control values for the controller to determine whether or not the control state of the plant is abnormal, and a plurality of alarms generated by the controller when the control state is determined to be abnormal Among them, a plant monitoring and control device connected to the controller for managing and notifying a plurality of tag data including alarm information indicating an alarm currently occurring,
History information storage means for storing history information including time information and history content information indicating how control value information and alarm information in each managed tag data has changed;
State information storage means for storing state information including period information indicating a period in which the control state is abnormal, and generated alarm information indicating the generated alarm in a period indicated by the period information;
Means for writing the period information into the state information storage means in response to an operation by an operator;
When the period information is written in the state information storage means, the alarm information in the notified tag data is written in the state information storage means as the generated alarm information, and within the period indicated by the period information The history information having the time information indicating the time is read from the history information storage means, and an alarm indicating that a change is newly generated by the history content information in the read history information is used as the generated alarm information. Means for writing to the state information storage means;
Means for setting a value of at least one information among the information included in the stored state information as a search condition;
Based on the set search condition, means for reading out state information that matches the search condition from the state information storage means;
The number of alarm information in each notified tag data, the number of alarms indicated by the generated alarm information in the read status information, the alarm indicated by the alarm information and the alarm indicated by the generated alarm information Means for calculating an alarm relevance rate based on the number of matching alarms of
Means for displaying the calculated alarm compliance rate;
Guidance ID information, condition information indicating the combination of alarms, and guidance content information indicating the contents of guidance to be notified to the operator when the alarm information matches the alarm combination indicated by the condition information Guidance information storage means for storing guidance information;
Guidance information having a combination of alarms matching the alarm indicated by the written occurrence alarm information as the condition information is read from the guidance information storage means, and the guidance ID information in the read guidance information is generated as guidance information. Means for writing into the state information storage means as
Means for notifying the operator of the guidance content information by displaying guidance content information included in the read guidance information;
The number of guidance information having guidance content information notified to the operator, the number of guidances indicated by the generated guidance information in the read state information, the guidance ID information in the guidance information, and the generated guidance Means for calculating a guidance relevance rate based on the number of pieces of guidance ID information that match each other among the guidance ID information indicated by the information;
And a means for displaying the calculated guidance relevance ratio. In the plant monitoring control device according to claim 1,
Means for obtaining current time information indicating the current time;
A means for setting a period search condition indicating a period to be searched according to an operation by the operator;
History information having time information indicating a time before the time indicated by the acquired current time information and having time information indicating a time within a period indicated by the period search condition is read from the history information storage means. Means,
Designation means for designating history information having time information indicating the time closest to the time indicated by the acquired current time information among the read history information;
Determination means for determining whether or not a keyword indicating that the alarm has been recovered is included in the history content information in the specified history information;
In the case of indicating that the result of this determination is included, reading means for reading out state information having period information including the time indicated by the time information in the designated history information from the state information storage means;
Time information in the designated history information and plant state information indicating an alarm excluding an alarm included in the keyword included in the determination among alarms indicated by the generated alarm information in the read state information. Generating means for generating plant information including:
It is determined whether or not history information excluding the specified history information is included in the read history information. When the history information is included as a result of the determination, the history information is included. Means for repeatedly executing the specifying means, the determining means, the reading means, and the generating means until it is determined that there is not,
A plant monitoring and control apparatus, further comprising: In the plant monitoring control device according to claim 1,
Means for writing the read history information into the state information storage means;
Means for executing a control process for the current control value information so as to coincide with a change in the control value information indicated in the history content information in the history information in the written state information. A plant monitoring and control device. Control value information indicating a plurality of control values for the controller to determine whether or not the control state of the plant is abnormal, and a plurality of alarms generated by the controller when the control state is determined to be abnormal Connected to the controller for managing and notifying a plurality of tag data including alarm information indicating currently occurring alarms, time information, control value information and alarm information in each managed tag data The history information storage unit stores history information including history content information indicating how the information has changed, period information indicating a period in which the control state is abnormal, and the occurrence in the period indicated by the period information A status information storage unit that stores status information including generated alarm information indicating an alarm that has occurred, guidance ID information, and condition information indicating a combination of the alarms And a guidance information storage unit that stores guidance information including guidance content information indicating the content of guidance to be notified to an operator when the alarm information matches a combination of alarms indicated by the condition information. A plant monitoring control method executed by a monitoring control device,
Writing the period information into the state information storage unit in response to an operation by the operator;
When the period information is written in the state information storage unit, the alarm information in the notified tag data is written in the state information storage unit as the generated alarm information, and the period information indicated by the period information The history information having the time information indicating the time is read from the history information storage unit, and an alarm indicating that a change is newly generated by the history content information in the read history information is used as the generated alarm information. Writing to the state information storage unit;
A step of setting a value of at least one information among the information included in the stored state information as a search condition;
Reading state information matching the search condition from the state information storage unit based on the set search condition;
The number of alarm information in each notified tag data, the number of alarms indicated by the generated alarm information in the read status information, the alarm indicated by the alarm information and the alarm indicated by the generated alarm information Calculating an alarm matching rate based on the number of matching alarms of
Displaying the calculated alarm compliance rate;
Guidance information having a combination of alarms matching the alarm indicated by the written occurrence alarm information as the condition information is read from the guidance information storage unit, and guidance ID information in the read guidance information is generated as guidance information. Writing into the state information storage unit as
Notifying the operator of the guidance content information by displaying guidance content information included in the read guidance information;
The number of guidance information having guidance content information notified to the operator, the number of guidances indicated by the generated guidance information in the read state information, the guidance ID information in the guidance information, and the generated guidance Calculating a guidance relevance rate based on the number of pieces of guidance ID information that match each other among the guidance ID information indicated by the information;
A plant monitoring control method comprising: displaying the calculated guidance conformity rate.

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