WO2023162575A1 - Système de commande, dispositif d'assistance, et programme d'assistance - Google Patents

Système de commande, dispositif d'assistance, et programme d'assistance Download PDF

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Publication number
WO2023162575A1
WO2023162575A1 PCT/JP2023/002600 JP2023002600W WO2023162575A1 WO 2023162575 A1 WO2023162575 A1 WO 2023162575A1 JP 2023002600 W JP2023002600 W JP 2023002600W WO 2023162575 A1 WO2023162575 A1 WO 2023162575A1
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Prior art keywords
event
data
unit
control
control system
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PCT/JP2023/002600
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English (en)
Japanese (ja)
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武紀 日下
雄大 永田
泰正 笹野
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オムロン株式会社
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Publication of WO2023162575A1 publication Critical patent/WO2023162575A1/fr

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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
    • 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
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Definitions

  • the present invention relates to control systems, support devices, and support programs.
  • a plant consisting of equipment and facilities is controlled by a control device such as a PLC (Programmable Logic Controller). If any problem occurs in the plant, it is required to solve the problem as early as possible.
  • a control device such as a PLC (Programmable Logic Controller). If any problem occurs in the plant, it is required to solve the problem as early as possible.
  • Patent Document 1 discloses a control system and the like that makes it easy for even users with little knowledge and experience to eliminate abnormalities.
  • the control device has the information necessary to control the equipment and facilities.
  • the number and amount of information such controllers may contain can be enormous.
  • the present invention provides a mechanism for efficiently using information acquired from a control device or the like to assist in solving the problem when some problem occurs.
  • a control system includes one or more control devices that cyclically execute control operations, and support devices.
  • the support device includes an acquisition unit that acquires device information held by one or more control devices, an analysis unit that analyzes an event related to a problem that occurred in the control device, and an acquisition based on the analysis result of the event.
  • a data extracting unit that extracts related data that can lead to problem solving from data included in the device information that has been generated; and an output unit for visualizing and outputting data selected from related data.
  • the data to be visualized can be selected from the related data extracted based on the analysis result of the event. It is possible to increase the possibility of selecting data that leads to the solution of the problem. As a result, when some problem occurs, the information acquired from the control device or the like can be efficiently used to support the solution of the problem.
  • the analysis unit may extract named entities included in the event text data by natural language processing. According to this configuration, by extracting the named entity included in the text data of the event, it is possible to more efficiently extract data that may be related to the occurrence of the event.
  • the data extraction unit may extract related data based on the extracted named entity and the degree of similarity. According to this configuration, data similar to the extracted named entity can be extracted as unique data.
  • the event extraction unit may extract event candidates based on the temporal proximity to the date and time of occurrence of the event. According to this configuration, an event that occurred at a time close to the occurrence of the event can be extracted as an event candidate.
  • the output unit may selectively output related data and event candidates. According to this configuration, both related data and event candidates can be referred to in solving a problem.
  • the support device may further include a storage unit that stores information for specifying one or more pieces of data leading to solution of the problem. According to this configuration, the target data can be selected more efficiently by referring to the information when solving a similar problem that may occur in the future.
  • the analysis unit may analyze the other selected event. According to this configuration, if another event closer to the essence of the problem than the event that occurred is found, the problem can be solved more efficiently by analyzing the other event.
  • a support device that is directly or indirectly connected to one or more controllers that cyclically execute control operations.
  • the support device includes an acquisition unit that acquires device information held by one or more control devices, an analysis unit that analyzes an event related to a problem that occurred in the control device, and an acquisition based on the analysis result of the event.
  • a data extracting unit that extracts related data that can lead to problem solving from data included in the device information that has been generated; and an output unit for visualizing and outputting data selected from related data.
  • a support program executed by a computer directly or indirectly connected to one or more controllers that cyclically execute control operations.
  • the support program causes the computer to acquire device information held by one or more control devices, analyze an event related to a problem that occurred in the control device, and based on the event analysis result, A step of extracting related data that can lead to solving the problem from data included in the acquired device information, and extracting event candidates that are one or more other events that can lead to solving the problem in relation to the event. and a step of visualizing and outputting data selected from related data.
  • the present invention when a problem occurs, it is possible to provide a mechanism for efficiently using information obtained from a control device or the like to assist in solving the problem.
  • FIG. 1 is a schematic diagram showing an example of the overall configuration of a control system according to an embodiment
  • FIG. 2 is a block diagram showing an example hardware configuration of a control device of the control system according to the present embodiment
  • FIG. 2 is a block diagram showing an example hardware configuration of HMI of the control system according to the present embodiment
  • FIG. 2 is a block diagram showing a hardware configuration example of a support device for the control system according to the present embodiment
  • FIG. 1 is a schematic diagram showing a functional configuration example of a control system according to an embodiment
  • FIG. FIG. 3 is a diagram for explaining an outline of support processing provided by the support device according to the present embodiment
  • FIG. 5 is a flow chart showing a processing procedure of support processing provided by the support device according to the present embodiment
  • FIG. 2 is a schematic diagram showing an example functional configuration of a control device according to the present embodiment
  • FIG. 5 is a schematic diagram showing a functional configuration example of a control system according to Modification 1 of the present embodiment
  • FIG. 11 is a schematic diagram showing still another functional configuration example of the control system according to Modification 2 of the present embodiment
  • FIG. 12 is a schematic diagram showing yet another functional configuration example of the control system according to Modification 3 of the present embodiment
  • FIG. 1 is a schematic diagram showing an example of the overall configuration of a control system 1 according to this embodiment.
  • a control system 1 according to the present embodiment includes one or more control devices 200, one or more HMIs (Human Machine Interfaces) 300, and a support device 100 as main components.
  • HMIs Human Machine Interfaces
  • the control device 200 is a kind of computer such as a PLC (Programmable Logic Controller).
  • the control device 200 typically cyclically executes control calculations for controlling devices and equipment that constitute a plant or the like.
  • control system 1 includes four control devices 200-1 to 200-4 and the control devices 200-1 to 200-4 via field buses 4-1 to 4-4, respectively. HMIs 300-1 to 300-4 connected to each other.
  • the control devices 200-1 to 200-4 are connected to remote I/O (Input/Output) devices 400-1 to 400-4, respectively, which are examples of field devices that exchange process signals with the plant.
  • Remote I/O devices 400-1 to 400-4 are connected to control devices 200-1 to 200-4 via field buses 2-1 to 2-4, respectively.
  • control device 200 is a generic term for the control devices 200-1 to 200-4
  • HMI 300 is a generic term for the HMIs 300-1 to 300-4
  • the field bus 2 is a field bus. 2-1 to 2-4
  • the field bus 4 is a generic name for the field buses 4-1 to 4-4.
  • Fieldbus 2 and Fieldbus 4 preferably adopt an industrial communication protocol.
  • EtherCAT registered trademark
  • EtherNet/IP registered trademark
  • DeviceNet registered trademark
  • CompoNet registered trademark
  • the support device 100 is connected to each of the HMIs 300-1 to 300-4 via the host network 6. At this time, the support device 100 can access the control devices 200-1 to 200-4 via the HMIs 300-1 to 300-4, respectively. Thus, the support device 100 is directly or indirectly connected to one or more control devices 200 .
  • the support device 100 Based on the device information acquired from the control device 200 and/or the HMI 300, the support device 100 provides the user with information for solving problems described later.
  • FIG. 2 is a block diagram showing a hardware configuration example of control device 200 of control system 1 according to the present embodiment.
  • control device 200 includes a processor 202 such as a CPU (Central Processing Unit) or MPU (Micro-Processing Unit), a chipset 204, a main memory device 206, a secondary memory device 208, A host network controller 210, a USB (Universal Serial Bus) controller 212, a memory card interface 214, field bus controllers 218 and 220, an internal bus controller 222, and I/O units 224-1, 224-2, . including.
  • the processor 202 reads out various programs stored in the secondary storage device 208, deploys them in the main storage device 206, and executes them, thereby realizing the processing required by the control device 200.
  • the chipset 204 controls data transmission and the like between the processor 202 and each component.
  • the secondary storage device 208 stores a system program 231, a user program 232 that describes the contents of control calculations, an application execution environment program 233 that provides an environment for executing any application, and any one or more An application program 234 describing an application is stored.
  • the program stored in the secondary storage device 208 is executed to cause the control device 200, which is a computer, to execute the processes described herein, and to cause the control device 200, which is a computer, to perform the processes described herein. realize a functional configuration.
  • the host network controller 210 controls data exchange with other devices via the host network 6 .
  • the USB controller 212 controls data exchange with the support device 100 via a USB connection.
  • the memory card interface 214 is configured such that a memory card 216 can be attached/detached, and data can be written to the memory card 216 and various data (user program, trace data, etc.) can be read from the memory card 216.
  • the fieldbus controller 220 controls data exchange with other devices via the fieldbus 2 .
  • Fieldbus controller 220 controls data exchange with other devices via fieldbus 2 .
  • the internal bus controller 222 is an interface that exchanges data with the I/O units 224-1, 224-2, .
  • FIG. 2 shows a configuration example in which necessary functions are provided by the processor 202 executing a program.
  • a program Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • the main part of the control device 200 may be implemented using hardware conforming to a general-purpose architecture (for example, an industrial personal computer based on a general-purpose personal computer).
  • virtualization technology may be used to run multiple OSs (Operating Systems) for different purposes in parallel, and to run necessary applications on each OS.
  • FIG. 3 is a block diagram showing a hardware configuration example of HMI 300 of control system 1 according to the present embodiment.
  • HMI 300 according to the present embodiment is configured by, for example, a general-purpose computer having hardware conforming to a general-purpose architecture.
  • the HMI 300 includes a processor 302 such as a CPU or GPU (Graphics Processing Unit), a main memory device 306, a secondary memory device 308, a USB controller 312, a network controller 314, and a fieldbus controller. 315 , an input unit 316 , a display unit 318 and a touch panel 319 . These components are connected via bus 320 .
  • processor 302 such as a CPU or GPU (Graphics Processing Unit)
  • main memory device 306 such as a main memory device 306, a secondary memory device 308, a USB controller 312, a network controller 314, and a fieldbus controller.
  • 315 an input unit 316
  • display unit 318 and a touch panel 319 are connected via bus 320 .
  • the processor 302 reads various programs stored in the secondary storage device 308, develops them in the main storage device 306, and executes them, thereby realizing arbitrary processing.
  • the secondary storage device 308 typically stores an OS 322 and a support system program 324 for performing processing as described later.
  • the secondary storage device 308 may store necessary programs other than the programs shown in FIG.
  • HMI 300 may be installed via a computer-readable recording medium, or may be installed by being downloaded from a server device on the network. Further, the processing executed by HMI 300 according to the present embodiment may be realized by using some of the modules provided by OS 322 .
  • the USB controller 312 controls data exchange with any device via a USB connection.
  • a network controller 314 controls data exchange with other devices via the host network 6 .
  • the input unit 316 is composed of a keyboard, mouse, etc., and receives user operations.
  • a display unit 318 includes a display, various indicators, a printer, and the like, and outputs processing results from the processor 302 and the like.
  • a touch panel 319 is configured integrally with the display unit 318 and receives user operations.
  • FIG. 3 shows a configuration example in which necessary functions are provided by the processor 302 executing a program. Alternatively, it may be implemented using an FPGA, etc.).
  • FIG. 4 is a block diagram showing a hardware configuration example of support device 100 of control system 1 according to the present embodiment.
  • Supporting device 100 according to the present embodiment is configured by, for example, a general-purpose computer having hardware conforming to a general-purpose architecture.
  • support device 100 includes processor 102 such as a CPU or GPU, optical drive 104, main storage device 106, secondary storage device 108, USB controller 112, network controller 114, input A portion 116 and a display portion 118 are included. These components are connected via bus 120 .
  • processor 102 such as a CPU or GPU
  • optical drive 104 main storage device 106
  • secondary storage device 108 secondary storage device 108
  • USB controller 112 network controller 114
  • input A portion 116 and a display portion 118 are included. These components are connected via bus 120 .
  • the processor 102 reads various programs stored in the secondary storage device 108, develops them in the main storage device 106, and executes them, thereby realizing arbitrary processing.
  • the secondary storage device 108 typically stores an OS 122 and a browser program 124 .
  • the secondary storage device 108 may store necessary programs other than the programs shown in FIG.
  • the supporting device 100 By executing the program stored in the secondary storage device 108, the supporting device 100, which is a computer, executes the processes described herein, and the supporting device 100, which is a computer, executes the processes described herein. realize a functional configuration.
  • the support device 100 has an optical drive 104, and from a recording medium 105 (for example, an optical recording medium such as a DVD (Digital Versatile Disc)) that stores a computer-readable program in a non-transitory manner.
  • a recording medium 105 for example, an optical recording medium such as a DVD (Digital Versatile Disc)
  • the stored program is read and installed in the secondary storage device 108 or the like.
  • Various programs executed by the support device 100 may be installed via the computer-readable recording medium 105, or may be installed by downloading from a server device on the network. Further, the processing executed by support device 100 according to the present embodiment may be realized by using some of the modules provided by OS 122 .
  • the USB controller 112 controls data exchange with the control device 200 via a USB connection.
  • Network controller 114 controls the exchange of data to and from other devices over any network.
  • the input unit 116 is composed of a keyboard, mouse, etc., and receives user operations.
  • a display unit 118 includes a display, various indicators, a printer, and the like, and outputs processing results from the processor 102 and the like.
  • FIG. 4 shows a configuration example in which necessary functions are provided by the processor 102 executing a program. Alternatively, it may be implemented using an FPGA, etc.).
  • FIG. 5 is a schematic diagram showing a functional configuration example of the control system 1 according to the present embodiment.
  • control devices 200-1 to 200-4 respectively have device information 250-1 to 250-4 (hereinafter also collectively referred to as "device information 250").
  • the contents of the device information 250 are updated according to the control calculations that are cyclically executed by the control device 200 .
  • the HMIs 300-1 to 300-4 respectively have device information 350-1 to 350-4 (hereinafter also collectively referred to as "device information 350").
  • the contents of the device information 350 are updated according to the processing executed in the HMI 300 .
  • the device information 250 and the device information 350 include, for example, variables managed by each device, details of alarms output by each device, and details of events occurring in each device.
  • the HMIs 300-1 to 300-4 include Web servers 360-1 to 360-4 (hereinafter collectively referred to as “Web servers 360") and access interfaces 370-1 to 370-4 (hereinafter also referred to as “access interfaces 370"). collectively).
  • Web servers 360 Web servers 360-1 to 360-4
  • access interfaces 370 access interfaces 370
  • the web server 360 manages access from the support device 100 (eg, access using HTTP or HTTPS).
  • the access interface 370 responds with the content of the device information 250 managed by the control device 200 and/or the content of the device information 350 managed by the HMI 300 in response to a request from the support device 100 .
  • the support device 100 includes a browser 150 and application code 160 executed by the browser 150 .
  • Application code 160 may be written, for example, in the form of an HTML document.
  • the application code 160 accesses the Web server 360 of the HMI 300 and is an instruction code (for example, , JavaScript (registered trademark), Java (registered trademark), Ruby, Python, PHP, and other languages).
  • the request for information and the provision of information in response to the request may be implemented, for example, using a web service model that complies with REST (REpresentational State Transfer).
  • REST REpresentational State Transfer
  • a data format such as JSON (JavaScript Object Notation) can also be used.
  • the application code 160 may be stored in the support device 100 in advance, or may be stored in the web server 360 (HMI 300) in advance. In the latter case, the application code 160 may be provided by the support device 100 accessing the HMI 300 . At this time, if multiple control devices 200 and/or multiple HMIs 300 are present, the application code 160 may be provided for each control device 200 or each HMI 300 .
  • the application code 160 may be generated each time the support device 100 and/or the HMI 300 respond to user requests.
  • the configuration information of the control system 1 and the like may be referred to, and the application code 160 corresponding to the processing executed by the control device 200 and/or the HMI 300 may be generated.
  • the support device 100 supports solving the problem (cause identification, cause elimination, etc.) when a problem occurs in the plant controlled by the control system 1 and/or in the control system 1 itself.
  • FIG. 6 is a diagram for explaining an overview of support processing provided by support device 100 according to the present embodiment.
  • the user operates support device 100 to open a support screen (step S1).
  • the support screen is realized by browser 150 executing application code 160 . That is, the support screen may be provided as a web application. Further, processing executed by the support device 100 to be described later is also realized by the support device 100 executing instruction codes described in the application code 160 .
  • the support screen may be individually optimized according to the target control device 200 and/or HMI 300.
  • the support device 100 acquires events that have occurred in the control device 200 and/or the HMI 300 included in the control system 1 (step S2).
  • the event is the generation of a message (text data) by control device 200 and/or HMI 300 when a predetermined state change occurs and when a predetermined abnormality occurs. It is the message itself. Since event messages are associated with the date and time of occurrence and sorted according to the date and time of occurrence, the support device 100 acquires time-series text data as an event.
  • events include predetermined system-defined events and user-defined events that can be arbitrarily defined by the user.
  • the support device 100 analyzes the event that occurred (step S3).
  • the support device 100 analyzes the text data of the event that has occurred and extracts information useful for solving the problem. More specifically, the following processing is executed.
  • Simplification processing may be executed, and the order of execution may be changed as appropriate.
  • Specific processing for extracting named entities by natural language processing includes processing for extracting one or more terms included in text data. For example, if "Unexpected value C was entered in input value B of function A” is entered as event text data, two terms “function A” and “input value B” are extracted. . That is, the target problem is presumed to be related to "function A”, and also presumed to be related to "input value B".
  • delimiters underscores, dots, etc.
  • variables used in control operations names for specifying values, functions, function blocks, etc.
  • a named entity including delimiters may be divided. For example, when "Function_Latch_Status_Lamp" is extracted as a unique expression included in the text data of the event, the underscore is determined to be the delimiter, and four Divided into terms.
  • EtherCAT which is an example of the communication protocol of Fieldbus, is sometimes abbreviated as “ECAT” or “CAT”. ” may be corrected as “EtherCAT”.
  • the specific processing of the simplification process excludes information judged not to be effective in solving the problem.
  • threshold processing or the like based on the appearance frequency of each term can be employed.
  • terms with a high appearance frequency are likely to be general terms, and thus cannot be considered as information for solving the target problem. Therefore, such frequently appearing terms may not be included in the content proposed as a solution to the problem.
  • "Function” meaning a function
  • "Status” meaning a state, which are a kind of instruction, appear frequently and may be judged not to be effective in solving the problem.
  • the support device 100 acquires device information (step S4).
  • the support device 100 acquires device information not only from the device that generated the acquired event, but also from the control device 200 and the HMI 300 that configure the control system 1 .
  • the variables managed by each of control device 200 and/or HMI 300, the contents of alarms output by each device, and the contents of events occurring in each device are acquired.
  • the support device 100 extracts related data based on the analysis result of the event as described above and presents it to the user (step S5). That is, the support device 100 extracts data (related data) that can lead to solution of the problem from the acquired device information based on the analysis result of the event.
  • Associated data may include variables, alarm content, event content.
  • the process for extracting related data may be performed by searching for related data that leads to identification of the cause of the problem, based on similarity to the analysis result of the event (extracted named entity, for example). good. At this time, a fuzzy search of natural language processing may be used.
  • the support device 100 extracts one or more other events (event candidates) that lead to the solution of the problem in relation to the acquired event, and presents them to the user. (step S6). That is, since there is a possibility that the acquired event may not directly lead to identification of the cause of the problem that has occurred, the support device 100 extracts other events that can lead to the solution of the problem based on the event analysis result. . More specifically, the following processing is executed.
  • Processing to search for other events that lead to the cause of the problem, based on the temporal closeness to the date and time of occurrence of the acquired event (2) Search for past events that are highly similar to the acquired event Process of searching from assets as a specific example of the process of (2) searching for other events that may lead to the cause of the problem, based on the temporal closeness to the date and time of occurrence of the acquired event, the following is an example: It may include processing such as
  • step S5 Processing of searching for other events that lead to the cause of the problem that is occurring, from a predetermined number of events before and after the occurrence of the acquired event (1-2) Excluding events that are occurring constantly (1-3) Processing for filtering events based on importance The user solves the problem that has occurred while referring to the presented related data (step S5) and event candidates (step S6). (cause identification, cause elimination, etc.) are attempted (step S7).
  • the user selects some data from among the related data, and confirms the current value and a graph of changes over time including the current value. The user then identifies the appropriate data to help solve the problem.
  • the temporal change graph may include past temporal changes (changes in values that occurred in the past).
  • the support device 100 visualizes the selected data and provides it to the user.
  • the user can use the newly selected event to solve the problem that has occurred. (cause identification and cause elimination, etc.).
  • the support device 100 capitalizes a series of findings up to the solution (step S8). More specifically, the support device 100 stores one or a plurality of data (information for specifying) that has led to the solution of the problem.
  • the storage destination may be a server (not shown) or the inside of the support device 100 .
  • the control device 200 and/or the HMI 300 may be provided with a storage destination for the capitalized information.
  • the support device 100 adds (1) additional information such as the name, summary, and content, (2) the event leading to the solution of the problem, and (3) Associate extracted event candidates, etc. Information that has been capitalized in this way is referred to when solving problems that occur in the future.
  • FIG. 7 is a flowchart showing the procedure of support processing provided by support device 100 according to the present embodiment. Each step shown in FIG. 7 is typically realized by having the processor 102 of the support device 100 execute the browser program 124 and executing the application code 160 in the browser program 124 .
  • support device 100 displays a support screen according to a user's operation (step S100). Subsequently, the support device 100 acquires a list of events occurring in the selected device (the control device 200 and/or the HMI 300) according to the user's operation (step S102), and displays the acquired event list. (step S104).
  • the support device 100 analyzes the selected event (step S106).
  • the support device 100 also acquires device information from the control device 200 and the HMI 300 that configure the control system 1 (step S108).
  • the support device 100 extracts data (related data) that can lead to solving the problem based on the analysis result of the event (step S110). In addition, the support device 100 extracts one or more other events (event candidates) that lead to identification of the cause of the problem that has occurred in relation to the acquired event based on the analysis result of the event (step S112). ).
  • the support device 100 determines whether or not the display of the related data has been instructed by the user (step S114). When the user instructs display of related data (YES in step S114), support device 100 displays a list of extracted related data (step S116). Then, when the user selects any related data from the displayed list of related data, the support device 100 displays a graph of the selected related data (step S118).
  • the support device 100 determines whether or not the display of event candidates is instructed by the user (step S120). When the user instructs to display event candidates (YES in step S120), support device 100 displays a list of extracted event candidates (step S122). Then, when the user selects one of the event candidates from the displayed list of event candidates (YES in step S124), the support device 100 executes the processes from step S106 onwards again for the selected event candidate.
  • step S124 If the user does not select any event candidate from the displayed list of event candidates (NO in step S124), the processing from step S126 onwards is executed.
  • the support device 100 determines whether or not it has received a user operation indicating that the problem that has occurred has been resolved (step S126). If the user's operation indicating that the problem that has occurred has been solved has not been received (NO in step S126), the processes from step S114 onward are repeated.
  • support device 100 Upon receiving a user operation indicating that the problem that has occurred has been resolved (YES in step S126), support device 100 collects information necessary for capitalization from a series of user operations (step S128), and the user inputs It is stored in the database in association with various information (step S130). Then the process ends.
  • FIG. 8 is a schematic diagram showing a functional configuration example of control device 200 according to the present embodiment.
  • Each module shown in FIG. 8 is typically implemented by causing the processor 102 of the support device 100 to execute the browser program 124 and executing the application code 160 in the browser program 124 .
  • support apparatus 100 includes, as a functional configuration, acquisition unit 130, buffer 132, analysis unit 134, related data extraction unit 136, event candidate extraction unit 138, output unit 140, asset A portion 142 and a storage portion 144 are included.
  • the acquisition unit 130 acquires device information held by the control device 200 and/or the HMI 300 included in the control system 1 .
  • the buffer 132 stores the device information acquired by the acquisition unit 130 .
  • the analysis unit 134 analyzes events related to problems occurring in the control device 200 .
  • the analysis unit 134 may analyze the text data of the event that has occurred and extract information effective for solving the problem. For example, the analysis unit 134 may extract the named entity included in the text data of the event by natural language processing.
  • the analysis unit 134 may analyze the other selected event.
  • the related data extraction 136 extracts related data that can lead to problem solving from the data included in the acquired device information based on the analysis result of the event. For example, the related data extraction 136 may extract related data based on the extracted named entity and the degree of similarity.
  • the event candidate extraction unit 138 extracts event candidates, which are one or more other events that can lead to problem solving in relation to the event.
  • the output unit 140 visualizes and outputs data selected from the related data.
  • the output unit 140 also selectively outputs related data and event candidates.
  • the capitalization unit 142 capitalizes a series of findings up to the solution of the problem. More specifically, the capitalization unit 142 stores in the storage unit 144 information for specifying one or more pieces of data leading to the solution of the problem.
  • FIG. 9 is a schematic diagram showing a functional configuration example of the control system 1 according to Modification 1 of the present embodiment.
  • FIG. 9 shows a configuration example in which a plurality of control devices 200 are connected to one HMI 300.
  • HMI 300-1 is connected to control devices 200-1 and 200-2
  • HMI 300-2 is connected to control devices 200-3 and 200-4.
  • support device 100 acquires device information of control devices 200-1 to 200-4 via HMI 300-1 and HMI 300-2.
  • FIG. 10 is a schematic diagram showing yet another functional configuration example of the control system 1 according to Modification 2 of the present embodiment.
  • FIG. 10 shows a configuration example in which each of the control devices 200 has a web server 360 and an access interface 370 instead of the HMI 300 .
  • the control devices 200-1 to 200-4 include Web servers 260-1 to 260-4 (hereinafter collectively referred to as "Web servers 260") and access interfaces 270-1 to 270-4 ( hereinafter also collectively referred to as “access interface 270”).
  • Web servers 260 Web servers 260
  • access interfaces 270-1 to 270-4 hereinafter also collectively referred to as “access interface 270”.
  • each of the control devices 200-1 to 200-4 in response to a request from the support device 100, updates the device information 250-1 to 250-4 managed by the control devices 200-1 to 200-4. Respond with content.
  • FIG. 11 is a schematic diagram showing still another functional configuration example of the control system 1 according to Modification 3 of the present embodiment.
  • FIG. 11 shows a configuration example in which an expansion unit 280 including a web server 260 and an access interface 270 is attached to the control device 200.
  • expansion units 280-1 to 280-4 having Web servers 260-1 to 260-4 and access interfaces 270-1 to 270-4 are connected to control devices 200-1 to 200-4. 4 is installed.
  • each of expansion units 280-1 to 280-4 attached to control devices 200-1 to 200-4 responds to a request from support device 100 to control devices 200-1 to 200-4. responds with the contents of the device information 250-1 to 250-4 managed by .
  • any configuration example may be adopted as long as the support device 100 can acquire at least the device information 250 that the control device 200 has, without being limited to the configuration example described above.
  • the support device is an acquisition unit (130) for acquiring device information (250) held by the one or more control devices; an analysis unit (134) for analyzing events related to problems occurring in the control device; a data extracting unit (136) for extracting related data that may lead to solving the problem from data included in the acquired device information based on the analysis result of the event; an event extraction unit (138) for extracting event candidates, which are one or more other events that may lead to solving the problem, in relation to the event; A control system comprising an output unit (140) that visualizes and outputs data selected from the related data.
  • 1 control system, 2, 4 fieldbus, 6 upper network 100 support device, 102, 202, 302 processor, 104 optical drive, 105 recording medium, 106, 206, 306 main storage device, 108, 208, 308 secondary storage Device, 112, 212, 312 USB controller, 114, 314 network controller, 116, 316 input section, 118, 318 display section, 120, 320 bus, 122, 322 OS, 124 browser program, 130 acquisition section, 132 buffer, 134 Analysis unit 136 Related data extraction 138 Event candidate extraction unit 140 Output unit 142 Asset conversion unit 144 Storage unit 150 Browser 160 Application code 200 Control device 204 Chipset 210 Upper network controller 214 Memory card interface, 216 memory card, 218, 220, 315 fieldbus controller, 222 internal bus controller, 224 I/O unit, 231 system program, 232 user program, 233 application execution environment program, 234 application program, 250, 350 device information, 260, 360 web server, 270, 370 access interface, 280 expansion unit, 300 HMI, 319

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

Ce système de commande comprend : un ou plusieurs dispositifs de commande qui effectuent une exécution cyclique de calcul de commande ; et un dispositif d'assistance. Le dispositif d'assistance comprend : une unité d'acquisition qui acquiert des informations de dispositif conservées par le ou les dispositifs de commande ; une unité d'analyse qui analyse un événement relatif à un problème se produisant au niveau d'un dispositif de commande ; une unité d'extraction de données qui, sur la base du résultat d'analyse de l'événement et parmi des données incluses dans les informations de dispositif acquises, extrait des données associées qui pourraient conduire à une solution du problème ; une unité d'extraction d'événement qui, en relation avec l'événement, extrait un événement candidat, qui est un seul événement ou une pluralité d'autres événements qui pourraient conduire à une solution du problème ; et une unité de sortie qui restitue visuellement et délivre en sortie des données sélectionnées parmi les données associées.
PCT/JP2023/002600 2022-02-22 2023-01-27 Système de commande, dispositif d'assistance, et programme d'assistance WO2023162575A1 (fr)

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JP2022-025733 2022-02-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075636A (ja) * 1999-09-07 2001-03-23 Toshiba Corp プラント運転支援装置
JP2006330774A (ja) * 2005-05-23 2006-12-07 Yokogawa Electric Corp プロセス異常状態回復操作支援システム
WO2015136959A1 (fr) * 2014-03-14 2015-09-17 オムロン株式会社 Système de commande, procédé, programme et dispositif de traitement d'informations
JP2017227973A (ja) * 2016-06-20 2017-12-28 富士電機株式会社 異常解析支援システム、および異常解析支援装置
JP2020134986A (ja) * 2019-02-12 2020-08-31 株式会社キーエンス プログラマブルロジックコントローラ用プログラム作成支援装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075636A (ja) * 1999-09-07 2001-03-23 Toshiba Corp プラント運転支援装置
JP2006330774A (ja) * 2005-05-23 2006-12-07 Yokogawa Electric Corp プロセス異常状態回復操作支援システム
WO2015136959A1 (fr) * 2014-03-14 2015-09-17 オムロン株式会社 Système de commande, procédé, programme et dispositif de traitement d'informations
JP2017227973A (ja) * 2016-06-20 2017-12-28 富士電機株式会社 異常解析支援システム、および異常解析支援装置
JP2020134986A (ja) * 2019-02-12 2020-08-31 株式会社キーエンス プログラマブルロジックコントローラ用プログラム作成支援装置

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