WO2022061925A1 - Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur - Google Patents

Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur Download PDF

Info

Publication number
WO2022061925A1
WO2022061925A1 PCT/CN2020/118545 CN2020118545W WO2022061925A1 WO 2022061925 A1 WO2022061925 A1 WO 2022061925A1 CN 2020118545 W CN2020118545 W CN 2020118545W WO 2022061925 A1 WO2022061925 A1 WO 2022061925A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
control system
data item
knowledge graph
module
Prior art date
Application number
PCT/CN2020/118545
Other languages
English (en)
Chinese (zh)
Inventor
王同舟
李冬
王岩
张传雨
彭延斌
熊磊
Original Assignee
西门子股份公司
西门子（中国）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西门子股份公司, 西门子（中国）有限公司 filed Critical 西门子股份公司
Priority to PCT/CN2020/118545 priority Critical patent/WO2022061925A1/fr
Publication of WO2022061925A1 publication Critical patent/WO2022061925A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/26—Visual data mining; Browsing structured data

Definitions

  • the present invention relates to the technical field of automation control, and in particular, to a method, an apparatus and a computer-readable medium for generating a control diagram of an automation control system.
  • a knowledge graph is a knowledge base represented in the form of a semantic network. It describes the entities, concepts and their relationships in the objective world in the form of graphs.
  • the nodes represent entities or concepts, and the edges represent each entity/concept. It expresses the Internet information into the form of human cognition of the world, and provides a better ability to organize, manage and understand the massive information on the Internet.
  • the knowledge graph-based search engine can intuitively feed back structured knowledge to users in a graphical way. .
  • the existing knowledge graph is mainly a semantic model established for text data objects, which cannot be applied to the control charts widely used in the field of automation, and cannot realize the graph-to-graph search built on the control graphs, especially the control graphs in the control graphs.
  • the control logic relationship can only be obtained by the engineer's reasoning and analysis of the control diagram. The engineer cannot directly obtain the control logic relationship in the control diagram, and cannot intuitively and quickly determine the relationship between various entities and concepts, resulting in the engineer reading the control diagram. The difficulty is high and the degree of sharing is low.
  • the method, device and computer-readable medium for generating a control diagram of an automatic control system provided by the present invention can enable an engineer to quickly and accurately determine the control logic relationship in the automatic control system.
  • an embodiment of the present invention provides a method for generating a control diagram of an automated control system, including:
  • the knowledge graph records at least one component and at least one data item included in the automated control system, and records the relationship between each of the components and at least one of the data items.
  • each of the function blocks is used to implement at least one control strategy included in the automation control system, and different function blocks are used to implement different control strategies, each The control strategy implemented by the function block constitutes the control logic of the automatic control system, and the connection line between any two function blocks is used to represent the data flow between the two function blocks;
  • Each of the functional blocks is added to the knowledge graph, and each of the functional blocks is respectively connected with a target data item associated with it, wherein the target data item is the
  • the control strategy has data items with input and output relationships;
  • each of the target data items is connected in the knowledge graph to which the functional blocks are added to generate a control graph of the automatic control system.
  • the generation of at least two connected functional blocks includes:
  • At least one of the control strategies that can achieve the same control objective is packaged into one of the functional blocks, wherein any one of the control strategies and the other at least two of the functional blocks of the control strategies are included.
  • a data flow relationship exists between the control strategies;
  • each of the target data items is connected in the knowledge graph to which the functional blocks are added to generate a control graph of the automated control system.
  • each of the functional block chains includes at least two of the functional blocks connected in sequence;
  • the first target data item and the second target data item are connected in the knowledge graph to which the functional block is added.
  • the at least one hardware structure diagram is added to the knowledge graph, and each of the components is marked on the hardware structure diagram.
  • control diagram of the automatic control system after generating the control diagram of the automatic control system, it further includes:
  • the element association group includes the element and other elements directly connected to the element;
  • a visualization effect is respectively set for each of the element association groups, wherein the visualization effect is used to highlight each of the elements in the element association group after any one of the elements in the element association group is triggered .
  • control diagram of the automatic control system after generating the control diagram of the automatic control system, it further includes:
  • the modification operation includes at least one of the following: adding an element, deleting an element, adding a connection between elements, deleting a connection between elements, and adding label information, wherein the element includes the component, the data item or the functional block;
  • the modified control diagram is stored.
  • an embodiment of the present invention further provides an apparatus for generating a control diagram of an automated control system, including: a first acquiring module, a first generating module, an adding module, and a second generating module;
  • the first acquisition module is used to acquire the knowledge graph of the automated control system, wherein the knowledge graph records at least one component and at least one data item included in the automated control system, and records each of the a control logic relationship between a component and at least one of the data items;
  • the first generation module is used to generate at least two connected functional blocks, wherein each of the functional blocks is used to implement at least one control strategy included in the automatic control system, and different functional blocks are used to Implement different control strategies, the control strategies implemented by each of the functional blocks constitute the control logic of the automated control system, and the connection line between any two functional blocks is used to represent the relationship between the two functional blocks. data flow;
  • the adding module is configured to add each of the functional blocks generated by the first generation module to the knowledge graph acquired by the first acquisition module, and to associate each of the functional blocks with it respectively
  • the target data items are connected to each other, wherein, the target data items are data items that have an input-output relationship in the control strategy represented by the corresponding functional block;
  • the second generation module is configured to connect each of the target data items in the knowledge graph to which the function blocks are added by the adding module according to the data flow direction between the function blocks, and generate the Control diagram of an automated control system.
  • the first generating module includes: a first determining unit, a second determining unit, a packaging unit and a first connecting unit;
  • the first determination unit configured to determine at least two of the control strategies included in the automatic control system
  • the second determining unit is configured to respectively determine the control objectives that can be achieved by each of the control strategies determined by the first determining unit, and respectively determine the relationship between each of the control strategies and the other control strategies data flow relationship;
  • the packaging unit is configured to package at least one of the control strategies capable of realizing the same control target determined by the second determination unit into one of the functional blocks, wherein at least two of the control strategies are included There is a data flow relationship between any one of the control strategies in the functional blocks of the strategy and at least one of the other control strategies;
  • the first connection unit is configured to connect each of the functional blocks generated by the packaging unit with a data flow relationship.
  • the second generating module includes: a third determining unit, a fourth determining unit, a fifth determining unit, and a second connecting unit;
  • the third determination unit is configured to determine at least one function block chain according to the data flow direction between the function blocks, wherein each of the function block chains includes at least two of the functions connected in sequence Piece;
  • the fourth determining unit is configured to, for each of the functional block chains determined by the third determining unit, determine the first functional block and the second functional block respectively located at both ends of the functional block chain;
  • the fifth determination unit is configured to determine the first target data item connected to the first function block determined by the fourth determination unit, and determine the first target data item connected to the first function block determined by the fourth determination unit.
  • the second connecting unit is configured to connect the first target data item determined by the fifth determining unit with the second target data item in the knowledge graph to which the function block is added.
  • the automatic control system control map generating device further includes: a second acquiring module
  • the second acquisition module is configured to acquire at least one hardware structure diagram included in the automatic control system, add the at least one hardware structure diagram to the knowledge graph, and mark each of the components in the on the hardware structure diagram.
  • the automatic control system control map generating device further includes: a setting module
  • the setting module is configured to, for any element in the control diagram, determine an element association group corresponding to the element, and set a visualization effect for each of the element association groups, wherein the element includes all the elements.
  • the component, the data item or the function block, the element association group corresponding to one of the elements includes the element and other elements directly connected to the element, and the visualization effect is used in one of the described elements. After any one of the elements in the element association group is triggered, each of the elements in the element association group is highlighted.
  • an embodiment of the present invention further provides another apparatus for generating a control diagram of an automated control system, including: at least one memory and at least one processor;
  • the at least one memory for storing a machine-readable program
  • the at least one processor is configured to invoke the machine-readable program to execute the method for generating a control diagram of an automated control system provided by the first aspect or any possible implementation manner of the first aspect.
  • an embodiment of the present invention further provides a computer-readable medium, where computer instructions are stored on the computer-readable medium, and when executed by a processor, the computer instructions cause the processor to execute the above-mentioned first A method for generating a control chart of an automated control system provided by the aspect or any possible implementation manner of the first aspect.
  • the method, device, and computer-readable medium for generating a control graph of an automated control system provided by the embodiments of the present invention, after acquiring the knowledge graph of the automated control system, at least two connected functional blocks are generated to represent the control strategy included in the automated control system , add the connected functional blocks to the acquired knowledge graph, and connect each functional block with the target data item associated with it, so that according to the data flow direction between the functional blocks, add the In the knowledge map of the function block, each target data item is connected to generate the control diagram of the automatic control system. It can be seen that after obtaining the knowledge graph of the automatic control system, the relationship between the components and data items in the automatic control system can be effectively and intuitively expressed in a graphical way with the help of the knowledge graph.
  • the connected functional blocks can realize the visualization of the control strategy, and then reason and analyze the connection relationship between the target data items according to the data flow direction between the functional blocks, so that the connection relationship between the target data items can describe each target data item.
  • the relationship between the target data items, and then the engineer can quickly and accurately determine the control logic relationship of the automatic control system through the generated control diagram.
  • FIG. 1 is a flowchart of a method for generating a control diagram of an automated control system provided by an embodiment of the present invention
  • FIG. 3 is a flowchart of another method for generating a control diagram of an automated control system provided by an embodiment of the present invention.
  • FIG. 4 is a knowledge map of an air conditioning and ventilation monitoring system including functional blocks provided by an embodiment of the present invention
  • FIG. 5 is a flowchart of another method for generating a control diagram of an automated control system provided by an embodiment of the present invention.
  • FIG. 6 is a control diagram of an air conditioning and ventilation monitoring system provided by an embodiment of the present invention.
  • FIG. 7 is a flowchart of yet another method for generating a control diagram of an automated control system provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a device for generating a control diagram of an automated control system provided by an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a first generation module provided by an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a second generation module provided by an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of another automatic control system control diagram generation device provided by an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of yet another apparatus for generating a control diagram of an automated control system according to an embodiment of the present invention.
  • the first program module 211 The second program module 212: The third program module
  • PID control module 214 Structure diagram of temperature adjustment device 215: Structure diagram of ventilation monitoring system
  • the second generation module 805 The second acquisition module 806: The setting module
  • Update Module 901 Memory 902: Processor
  • an embodiment of the present invention provides a method 100 for generating a control diagram of an automated control system, and the method may include the following steps:
  • Step 101 Obtain a knowledge graph of the automated control system, wherein the knowledge graph records at least one component and at least one data item included in the automated control system, and records the control logic relationship between each component and at least one data item;
  • Step 102 Generate at least two connected functional blocks, wherein each functional block is used to implement at least one control strategy included in the automation control system, different functional blocks are used to implement different control strategies, and the control implemented by each functional block
  • the strategy constitutes the control logic of the automation control system, and the connection line between any two function blocks is used to represent the data flow between the two function blocks;
  • Step 103 Add each functional block to the knowledge graph, and connect each functional block with its associated target data item, wherein the target data item is the control strategy represented by the corresponding functional block that has an input-output relationship. data item;
  • Step 104 According to the data flow direction between the function blocks, connect each target data item in the knowledge graph to which the function blocks are added to generate a control diagram of the automatic control system.
  • the method for generating a control graph of an automated control system After acquiring the knowledge graph of the automated control system, at least two connected functional blocks are generated to represent the control strategy included in the automated control system, and each connected functional block is generated. Function blocks are added to the acquired knowledge graph, and each function block is connected to its associated target data item, so that according to the data flow direction between the function blocks, the knowledge graph with the function blocks is added. Each target data item is connected to generate the control chart of the automatic control system. It can be seen that after obtaining the knowledge graph of the automatic control system, the relationship between the components and data items in the automatic control system can be effectively and intuitively expressed in a graphical way with the help of the knowledge graph.
  • the connected functional blocks can realize the visualization of the control strategy, and then reason and analyze the connection relationship between the target data items according to the data flow direction between the functional blocks, so that the connection relationship between the target data items can describe the target.
  • the relationship between data items, and then the engineer can quickly and accurately determine the control logic relationship in the automatic control system through the generated control diagram.
  • the knowledge graph that has been constructed in advance may be directly acquired, or the knowledge graph may be constructed by yourself.
  • the acquired knowledge graph includes each component and data item in the automatic control system, and also includes the control logic relationship between components, between data items, and between components and data items represented by connecting lines, wherein the above-mentioned control logic
  • the relationship includes the control relationship between components and data items, the description relationship between data items and component attributes, the control relationship between components, and the description relationship between data.
  • the control logic relationship between each component, between data items, and between components and data items is a piece of information, so converting text information into structured data can not only help the computer to quickly understand the automatic control system, but also help the computer to quickly understand the automatic control system.
  • the graphical method is also convenient for computer storage. At the same time, engineers no longer need to reason about the control logic relationship in the automatic control system from a large number of texts, which reduces the difficulty of acquisition, so that engineers can intuitively obtain and quickly understand the control logic relationship in the automatic control system. .
  • the function block generated in step 102 may be an organization module, a program module, an arithmetic module, a control module, a logic module, a math module, a selection module, a timer module, or a custom module, etc., each of which All function blocks can implement at least one control strategy in the automation control system, and different function blocks are used to implement different control strategies.
  • the control logic of the automation control system is divided into multiple function blocks, the function blocks that interact with each other are connected according to the data flow relationship between the function blocks.
  • the connection relationship between the function blocks can deduce the control logic of the entire automation control system, so that the control process of the automation control system can be visualized.
  • the input-output relationship between each function block and each data item needs to be determined first. If a data item is output by a function block or will be input to the function block, the data item is determined as the target data item of the function block, and then each function block is connected to its target data item, wherein the same data item may be used as a different function block , and different data items can be used as the target data items of the same function block. In this way, the function blocks are added to the knowledge graph, and the function blocks are connected with their corresponding target data items.
  • the relationship between the components, the relationship between the component and the data item, and the relationship between the data item and the data item can be determined according to the knowledge graph.
  • the relationship between function blocks is still unable to determine the relationship between some data items, so it is still impossible to intuitively determine the entire control logic of the automation control system.
  • the implicit control logic relationship between each target data item can be inferred according to the data flow direction between each functional block, so that each target data item with an implicit control logic relationship can be connected in the knowledge graph.
  • Generate a control diagram at this time the control diagram can reflect all the control logic of the automatic control system. Therefore, the engineer can quickly and accurately determine the control logic in the automatic control system according to the generated control diagram, without the need for reasoning and analysis of the automatic control system.
  • FIG. 2 shows a knowledge graph 200 in an air conditioning and ventilation monitoring system in the field of building automation in one embodiment.
  • components or data items are represented by circles, and the components and the The control logic relationship between the data items is represented by lines with arrows, and the components include the temperature adjustment device 201, the sensor 202 and the ventilation damper 203, and the data items include the set temperature 204, the current temperature 205, the damper opening 206, Temperature 207, temperature value 208, and temperature unit 209, wherein the temperature adjustment device 201 controls the set temperature 204, the sensor 202 detects the current temperature 205, and the ventilation damper 203 has the damper opening 206 parameter, the set temperature
  • the data forms of 204 and the current temperature 205 are both temperature 207, and the temperature 207 consists of the value 208 of the temperature and the unit 209 of the temperature.
  • step 102 on the basis of the method for generating a control diagram of an automated control system shown in FIG. 1 , as shown in FIG. 3 , the generation of at least two connected functional blocks in step 102 can be implemented in the following manner:
  • Step 301 Determine at least two control strategies included in the automated control system
  • Step 302 respectively determine the control objectives that each control strategy can achieve, and respectively determine the data flow relationship between each control strategy and other control strategies;
  • Step 303 Package at least one control strategy that can achieve the same control objective into a functional block, wherein there is a data flow relationship between any control strategy in the functional block including at least two control strategies and at least one other control strategy ;
  • Step 304 Connect each functional block with a data flow relationship.
  • At least two control strategies included in the automatic control system are first determined, then the control objectives that can be achieved by each control strategy are determined respectively, and the data flow between each control strategy and other control strategies is determined. Then, each control strategy that can achieve the same control objective is packaged into a functional block, and there is a data flow relationship between any control strategy in the functional block and at least one other control strategy.
  • the data flow relationship between the function blocks can be determined according to the data flow relationship, and then the function blocks that have the data flow relationship are related to each other. Connections are used to characterize the control logic between functional blocks.
  • each functional block After adding the generated functional blocks to the knowledge graph, it is first necessary to determine the input-output relationship between each functional block and each data item. If a data item is output by a functional block or will be input to the function block, the data item is determined as the target data item of the function block, and then each function block is connected to its target data item respectively.
  • each connected functional block is added to the knowledge graph shown in FIG. 2 , and each functional block is connected with its associated target data item to obtain the knowledge shown in FIG. 4 .
  • Atlas 300 As shown in Figure 4, in the knowledge graph, the function blocks are represented by boxes, the input-output relationship between the function block and its target data item is represented by the line segment with direction, and the data flow relationship between the function blocks is also represented by the line segment with direction. Line segment representation.
  • the function block includes a first program module 210, a second program module 211, a third program module 212, and a PID control module 213. The output data of the first program module 210 is input to the third program module 212 via the PID control module 213.
  • the second program module The output data of the module 211 is input to the third program module 212 via the PID control module 213 . Since the first program module 210 can control the set temperature 204 , the first program module 210 is connected with the set temperature 204 . Since the second program module 211 can control the current temperature 205 , the second program module 211 is connected with the current temperature 205 . Since the third program module 212 can control the damper opening degree 206 , the third program module 212 is connected with the damper opening degree 206 .
  • the generated at least two connected function blocks may be referred to as a function block diagram
  • the function block diagram may be used in a graphic language for programmable logic controller design, which describes the functions between the input and the output and
  • the connecting lines are displayed in the form of blocks, and the control strategies that can be achieved by each control strategy are determined by acquiring each control strategy included in the automatic control system, and the control strategies that can achieve the same control goal are packaged into a functional block.
  • Such different function blocks can achieve different control objectives, and the connection relationship between each function block is determined according to the data flow relationship between each control strategy. Therefore, the programming method of the function block diagram can simply and intuitively represent the automation system. Control applications, and even descriptions of control diagrams containing complex control functions, allow engineers to intuitively understand the control process in an automated system.
  • each target data item is added to the knowledge graph with the function blocks.
  • Connected to generate the control diagram of the automation control system which can be achieved in the following ways:
  • Step 501 Determine at least one function block chain according to the data flow direction between the function blocks, wherein each function block chain includes at least two function blocks connected in sequence;
  • Step 502 For each function block chain, determine the first function block and the second function block respectively located at both ends of the function block chain;
  • Step 503 for each functional block chain, determine the first target data item connected with the first functional block, and determine the second target data item connected with the second functional block;
  • Step 504 For each function block chain, connect the first target data item with the second target data item in the knowledge graph to which the function block is added.
  • each function block chain has multiple function blocks connected in sequence. For each function block chain, first determine the first function block and the second function block located at both ends of the function block chain, and then determine the first target data item connected to the first function block and the second function block. and then connect the first target data item with the second target data item in the knowledge graph with function blocks added to generate the control diagram of the automatic control system.
  • each function block chain has multiple function blocks connected in sequence.
  • Different control targets correspond to different data items in the knowledge graph, so the function blocks corresponding to the target data items can be determined, and then the two function blocks at both ends of the function block chain can be determined.
  • the function block is connected with two different target data items, so according to the data flow direction of the function block chain, it can be inferred that there is an implicit control logic relationship between the two target data items, so as to connect the two target data items , so that the intricate control logic relationship can be displayed intuitively. Therefore, engineers can quickly and accurately determine the control logic in the automatic control system without the need for reasoning and analysis of the automatic control system.
  • the control diagram shown in FIG. 6 is obtained after connecting the target data items in FIG. 4 with implicit control logic relationships respectively.
  • the control diagram of the air conditioning and ventilation monitoring system in the building automation field includes two function block chains, wherein the first function block chain is: the first program module 210--PID control module 213-- The third program module 212, the second function block chain is: the second program module 211--PID control module 213--the third program module 212.
  • the target data item connected to the program module 210 is the set temperature 204
  • the target data item connected to the second program module 211 is the current temperature 205
  • the target data item connected to the third program module 212 is the damper opening 206 , then connect the set temperature 204 and the damper opening 206, and connect the current temperature 205 and the damper opening 206, which means that the set temperature 204 can control the damper opening 206, and the current temperature 205 can control the damper opening 206 .
  • At least one hardware structure diagram is added to the knowledge graph, and each component is marked on the hardware structure diagram.
  • each hardware structure diagram included in the automated control system is acquired, and each hardware structure diagram is added to the knowledge graph , improve the readability and visualization of the knowledge graph, and then mark each component in the knowledge graph on the hardware structure diagram where the component exists, and further associate the knowledge graph with the actual application scenario, so that the knowledge graph It is easier to understand and improves the information sharing degree of the control diagram in the automatic control system.
  • the control diagram in the control diagram of the air conditioning and ventilation monitoring system in the field of building automation, the control diagram also includes a temperature adjustment device structure diagram 214 and a ventilation monitoring system.
  • the method further includes:
  • the element association group corresponding to the element determines the element association group corresponding to the element, wherein the element includes a component, a data item or a function block, and the element association group corresponding to an element includes the element and the element directly related to the element. other elements of the connection;
  • a visualization effect is respectively set for each element association group, wherein the visualization effect is used to highlight each element in an element association group after any element in the element association group is triggered.
  • the element may be a component, a data item, or a function block
  • other elements directly connected to the element are determined, and combined into a Center the element association group that includes the element and other elements directly connected to the element, and then set the visualization for each element association group separately to highlight the target element centered on the element when the element is triggered Associate each element in the group, so that the engineer can quickly and accurately determine the control logic relationship for a certain element in the control diagram, and thus realize the search from diagram to diagram based on the diagram.
  • control chart generation method shown in Fig. 1 after generating the control chart of the automatic control system, further comprises:
  • the modification operation includes at least one of the following: adding an element, deleting an element, adding a connection between elements, deleting a connection between elements, and adding label information, wherein the element includes components, data items or function blocks;
  • the modified control diagram is stored.
  • the modified control chart is updated for storage, which increases the circulation of the control chart in the automation control system, and also improves the work efficiency of engineers, making it easier for engineers to reflect their design ideas in the control chart for display. and cooperation and exchanges.
  • control diagram of the air conditioning and ventilation monitoring system can be modified accordingly. Some sensors are deleted, and intelligent temperature sensors are added, and then the modified control diagram is updated for storage. This increase can improve the work efficiency of engineers, so that engineers can reflect their design ideas in the control diagram for display and cooperation and exchange , which further increases the flow of control charts in the automation control system.
  • FIG. 7 a method 700 for generating a control diagram of an automated control system provided by an embodiment of the present invention is described in detail below, which specifically includes:
  • Step 701 Obtain the knowledge graph of the automatic control system.
  • the knowledge graph records at least one component and at least one data item included in the automatic control system, and records the control logic relationship between each component and at least one data item.
  • Step 702 Determine at least two control strategies included in the automatic control system.
  • Step 703 Determine the control objectives that can be achieved by each control strategy.
  • Step 704 Package at least one control strategy capable of achieving the same control objective into a functional block.
  • a data flow relationship exists between any control strategy in the functional block including at least two control strategies and at least one other control strategy.
  • Step 705 Generate at least two connected function blocks.
  • each functional block with a data flow relationship is connected, each functional block is used to implement at least one control strategy included in the automated control system, different functional blocks are used to implement different control strategies, and the control implemented by each functional block
  • the strategy constitutes the control logic of the automatic control system, and the connection line between any two function blocks is used to represent the data flow between the two function blocks.
  • Step 706 Add each functional block to the knowledge graph.
  • each function block is respectively connected with a target data item associated with it, and the target data item is a data item whose control strategy represented by the corresponding function block has an input-output relationship.
  • Step 707 Add the hardware structure diagram to the knowledge graph.
  • At least one hardware structure diagram included in the automation control system is acquired, the at least one hardware structure diagram is added to the knowledge graph, and each component is marked on the hardware structure diagram.
  • Step 708 Determine at least one functional block chain.
  • At least one functional block chain is determined according to the data flow direction between the functional blocks, wherein each functional block chain includes at least two functional blocks connected in sequence.
  • Step 709 Determine the first function block and the second function block respectively located at both ends of each function block chain.
  • Step 710 Determine two target data items respectively connected to the function blocks at both ends of each function block chain.
  • a first target data item connected with the first function block is determined, and a second target data item connected with the second function block is determined.
  • Step 711 Generate a control diagram of the automatic control system.
  • the first target data item and the second target data item are connected in the knowledge graph to which the function block is added, so as to generate a control graph of the automatic control system.
  • step 707 can be executed at any position between step 701 and step 711 .
  • an embodiment of the present invention provides an automatic control system control diagram generating device 800, including: a first obtaining module 801, a first generating module 802, an adding module 803, and a second generating module 804;
  • the first acquisition module 801 is used to acquire the knowledge graph of the automated control system, wherein the knowledge graph records at least one component and at least one data item included in the automated control system, and records the relationship between each component and at least one data item. control logic relationship;
  • the first generation module 802 is used to generate at least two connected function blocks, wherein each function block is used to implement at least one control strategy included in the automation control system, and different function blocks are used to implement different control strategies, and each function block is used to implement different control strategies.
  • the control strategy implemented by the function block constitutes the control logic of the automatic control system, and the connection line between any two function blocks is used to represent the data flow between the two function blocks;
  • the adding module 803 is configured to add each functional block generated by the first generating module 802 to the knowledge graph acquired by the first acquiring module 801, and respectively connect each functional block with its associated target data item, wherein,
  • the target data item is a data item that has an input-output relationship in the control strategy represented by the corresponding function block;
  • the second generating module 804 is configured to connect each target data item in the knowledge graph to which the functional blocks are added by the adding module 803 according to the data flow direction between the functional blocks to generate a control graph of the automatic control system.
  • the first acquiring module 801 can be used to perform step 101 in the above method embodiments
  • the first generating module 802 can be used to perform step 102 in the above method embodiments
  • the adding module 803 can be used to perform the above method embodiments
  • the second generation module 804 may be configured to execute step 104 in the above method embodiment.
  • the first generating module 802 includes: a first determining unit 8021, a second determining unit 8022, a packaging unit 8023, and a first determining unit 8022. a connection unit 8024;
  • a first determining unit 8021 configured to determine at least two control strategies included in the automated control system
  • the second determining unit 8022 is used to respectively determine the control objectives that can be achieved by each control strategy determined by the first determining unit 8021, and respectively determine the data flow relationship between each control strategy and other control strategies;
  • the packaging unit 8023 is configured to package at least one control strategy capable of realizing the same control target determined by the second determining unit 8022 into a functional block, wherein any control strategy in the functional block including at least two control strategies is included There is a data flow relationship with at least one other control strategy;
  • the first connection unit 8024 is configured to connect the functional blocks generated by the packaging unit 8023 that have a data flow relationship.
  • the first determining unit 8021 may be configured to perform step 301 in the foregoing method embodiments
  • the second determining unit 8022 may be configured to perform step 302 in the foregoing method embodiments
  • the packaging unit 8023 may be configured to perform the foregoing method implementations
  • the first connection unit 8024 may be configured to perform step 304 in the above method embodiments.
  • the second generating module 804 includes: a third determining unit 8041 , a fourth determining unit 8042 , and a fifth determining unit 8043 and the second connection unit 8044;
  • the third determining unit 8041 is configured to determine at least one functional block chain according to the data flow direction between the functional blocks, wherein each functional block chain includes at least two functional blocks connected in sequence;
  • a fourth determining unit 8042 configured to determine, for each functional block chain determined by the third determining unit 8041, the first functional block and the second functional block respectively located at both ends of the functional block chain;
  • the fifth determination unit 8043 is configured to determine the first target data item connected to the first functional block determined by the fourth determination unit 8042, and to determine the first target data item connected to the second functional block determined by the fourth determination unit 8042. Two target data items;
  • the second connecting unit 8044 is configured to connect the first target data item determined by the fifth determining unit 8043 with the second target data item in the knowledge graph to which the function block is added.
  • the third determining unit 8041 may be configured to perform step 501 in the foregoing method embodiments
  • the fourth determining unit 8042 may be configured to perform step 502 in the foregoing method embodiments
  • the fifth determining unit 8043 may be configured to execute the foregoing method embodiments.
  • the second connection unit 8044 may be configured to perform step 504 in the above method embodiment.
  • the device further includes: a second obtaining module 805 ;
  • the second acquiring module 805 is configured to acquire at least one hardware structure diagram included in the automation control system, add the at least one hardware structure diagram to the knowledge graph, and mark each component on the hardware structure diagram.
  • the device further includes: a setting module 806 ;
  • the setting module 806 is used to determine an element association group corresponding to the element for any element in the control diagram, and set a visualization effect for each element association group respectively, wherein the element includes a component, a data item or a function block,
  • the element association group corresponding to an element includes the element and other elements directly connected to the element.
  • the visualization effect is used to highlight each element in the element association group after any element in the element association group is triggered. .
  • the device further includes: an update module 807;
  • the update module 807 is used to detect whether the user has performed a modification operation on the control diagram, and after detecting that the user has performed a modification operation on the control diagram, the modified control diagram is stored, wherein the modification operation includes at least one of the following: Add elements, delete elements, add connections between elements, delete connections between elements, and add label information.
  • Elements include components, data items, or function blocks.
  • an embodiment of the present invention provides an automatic control system control diagram generating apparatus 900, including: at least one memory 901 and at least one processor 902;
  • the at least one memory 901 configured to store executable instructions
  • the at least one processor 902 coupled with the at least one memory 901, executes the method for generating a control diagram of an automated control system in any embodiment of the present invention.
  • the present invention also provides a computer-readable medium storing instructions for causing a machine to perform the method for generating a control diagram for an automated control system as described herein.
  • a system or device equipped with a storage medium on which software program codes for implementing the functions of any of the above-described embodiments are stored, and which enables a computer (or CPU or MPU of the system or device) ) to read and execute the program code stored in the storage medium.
  • the program code itself read from the storage medium can implement the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code form part of the present invention.
  • Examples of storage media for providing program code include floppy disks, hard disks, magneto-optical disks, optical disks (eg CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), Magnetic tapes, non-volatile memory cards and ROMs.
  • the program code may be downloaded from a server computer over a communications network.
  • the program code read from the storage medium is written into the memory provided in the expansion board inserted into the computer or into the memory provided in the expansion module connected with the computer, and then based on the program code
  • the instructions cause the CPU or the like installed on the expansion board or expansion module to perform part and all of the actual operations, so as to realize the functions of any one of the above-mentioned embodiments.
  • the method, device, and computer-readable medium for generating a control diagram of an automated control system provided by various embodiments of the present invention have at least the following beneficial effects:
  • At least two connected function blocks are generated to represent the control strategy included in the automated control system, and each connected functional block is added to the acquired and connect each functional block with its associated target data item respectively, so that according to the data flow direction between each functional block, each target data item is added to the knowledge graph with the functional block added. It is connected to generate the control diagram of the automation control system. It can be seen that after obtaining the knowledge graph of the automatic control system, the relationship between the components and data items in the automatic control system can be effectively and intuitively expressed in a graphical way with the help of the knowledge graph.
  • the connected functional blocks can realize the visualization of the control strategy, and then reason and analyze the connection relationship between the target data items according to the data flow direction between the functional blocks, so that the connection relationship between the target data items can describe the target.
  • the relationship between data items, and then the engineer can quickly and accurately determine the control logic relationship in the automatic control system through the generated control diagram.
  • the generated at least two connected function blocks can be called a function block diagram, and the function block diagram can be used in a graphic language for programmable logic controller design, which describes the relationship between input and output.
  • the functions are displayed in the form of blocks through connecting lines.
  • a plurality of functional block chains can be determined, and each functional block chain has a plurality of functional blocks connected in sequence.
  • Blocks correspond to different control targets, and different control targets correspond to different data items in the knowledge graph, so the function block corresponding to the target data item can be determined, and then the two function blocks at both ends of the function block chain can be determined.
  • the two function blocks are connected with two different target data items, so according to the data flow direction of the function block chain, it can be inferred that there is an implicit control logic relationship between the two target data items, so that the two target data items are connected. connected, so that the intricate control logic relationship can be displayed intuitively. Therefore, engineers can quickly and accurately determine the control logic in the automatic control system without the need for reasoning and analysis of the automatic control system.
  • the element can be a component, a data item or a function block
  • other elements directly connected to the element are determined, and combined into a
  • the element as the center includes the element association group of the element and other elements directly connected to the element, and then sets the visualization effect for each element association group separately, so that after the element is triggered, the element centered on the element is highlighted.
  • the target element is associated with each element in the group, so that the engineer can quickly and accurately determine the control logic relationship for a certain element in the control diagram, thus realizing the search from diagram to diagram based on the diagram.
  • the modified control chart is updated for storage, which increases the circulation of the control chart in the automation control system, and also improves the work efficiency of the engineer, making it easier for the engineer to reflect his design ideas in the control chart. Showcase and collaborate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Programmable Controllers (AREA)

Abstract

La présente invention concerne un procédé et un appareil de génération d'un graphique de commande d'un système de commande automatique et un support lisible par ordinateur. Le procédé comprend : l'acquisition d'un graphe de connaissances du système de commande d'automatisation, le graphe de connaissances enregistrant au moins un composant, au moins un élément de données et une relation logique de commande entre le composant et l'élément de données, qui sont inclus dans le système de commande d'automatisation ; la génération d'au moins deux blocs fonctionnels reliés l'un à l'autre, chaque bloc fonctionnel étant utilisé pour mettre en œuvre au moins une politique de commande incluse dans le système de commande automatique, et les politiques de commande mises en œuvre par chaque bloc fonctionnel constituant une logique de commande du système de commande automatique ; l'ajout de chaque bloc fonctionnel au graphe de connaissances, et la connexion de chaque bloc fonctionnel respectivement à un élément de données cible associé ; et en fonction de la direction de transfert de données entre les blocs fonctionnels, la connexion des éléments de données cibles dans le graphe de connaissances ajouté aux blocs fonctionnels, pour générer un graphique de commande du système de commande automatique. Cette solution permet à des ingénieurs de déterminer rapidement et avec précision les relations de logique de commande dans un système de commande automatique.
PCT/CN2020/118545 2020-09-28 2020-09-28 Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur WO2022061925A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/118545 WO2022061925A1 (fr) 2020-09-28 2020-09-28 Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/118545 WO2022061925A1 (fr) 2020-09-28 2020-09-28 Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur

Publications (1)

Publication Number Publication Date
WO2022061925A1 true WO2022061925A1 (fr) 2022-03-31

Family

ID=80846153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/118545 WO2022061925A1 (fr) 2020-09-28 2020-09-28 Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur

Country Status (1)

Country Link
WO (1) WO2022061925A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090150356A1 (en) * 2007-12-02 2009-06-11 Leviton Manufacturing Company, Inc. Method For Discovering Network of Home or Building Control Devices
CN102608934A (zh) * 2012-02-08 2012-07-25 浙江中控技术股份有限公司 基于信息流的功能块排序方法
CN105446200A (zh) * 2015-12-31 2016-03-30 浙江中控软件技术有限公司 一种自动控制方法及装置
CN105589439A (zh) * 2014-11-12 2016-05-18 横河电机株式会社 过程控制系统和配置系统
CN106713083A (zh) * 2016-11-24 2017-05-24 海信集团有限公司 基于知识图谱的智能家居设备控制方法、装置及系统
CN108595449A (zh) * 2017-11-23 2018-09-28 北京科东电力控制系统有限责任公司 调度自动化系统知识图谱的构建与应用方法
CN108919669A (zh) * 2018-09-11 2018-11-30 深圳和而泰数据资源与云技术有限公司 一种智能家居动态决策方法、装置和服务终端
CN109754804A (zh) * 2019-02-21 2019-05-14 珠海格力电器股份有限公司 一种语音控制方法、装置、存储介质及智能家居系统
CN110377648A (zh) * 2018-04-11 2019-10-25 西安邮电大学 一种面向智能制造的多源异构数据分析平台

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090150356A1 (en) * 2007-12-02 2009-06-11 Leviton Manufacturing Company, Inc. Method For Discovering Network of Home or Building Control Devices
CN102608934A (zh) * 2012-02-08 2012-07-25 浙江中控技术股份有限公司 基于信息流的功能块排序方法
CN105589439A (zh) * 2014-11-12 2016-05-18 横河电机株式会社 过程控制系统和配置系统
CN105446200A (zh) * 2015-12-31 2016-03-30 浙江中控软件技术有限公司 一种自动控制方法及装置
CN106713083A (zh) * 2016-11-24 2017-05-24 海信集团有限公司 基于知识图谱的智能家居设备控制方法、装置及系统
CN108595449A (zh) * 2017-11-23 2018-09-28 北京科东电力控制系统有限责任公司 调度自动化系统知识图谱的构建与应用方法
CN110377648A (zh) * 2018-04-11 2019-10-25 西安邮电大学 一种面向智能制造的多源异构数据分析平台
CN108919669A (zh) * 2018-09-11 2018-11-30 深圳和而泰数据资源与云技术有限公司 一种智能家居动态决策方法、装置和服务终端
CN109754804A (zh) * 2019-02-21 2019-05-14 珠海格力电器股份有限公司 一种语音控制方法、装置、存储介质及智能家居系统

Similar Documents

Publication Publication Date Title
US20220237189A1 (en) Building management system with eventseries processing
US10579927B2 (en) Automated creation of semantically-enriched diagnosis models
Pauwels et al. Semantic web technologies in AEC industry: A literature overview
JP4738885B2 (ja) グラフ分析および同期の方法およびシステム
US10545967B2 (en) Control apparatus of an automation system
US7600234B2 (en) Method for launching applications
Suri et al. Semantic framework for internet of things-aware business process development
US20180088566A1 (en) Selective online and offline access to searchable industrial automation data
JP2015502620A (ja) 矛盾するルールを伴うケースの検出
CN107305353A (zh) 将建筑自动化算法与建筑自动化系统相匹配
Schmetz et al. Evaluation of industry 4.0 data formats for digital twin of optical components
WO2022061925A1 (fr) Procédé et appareil de génération d'un graphique de commande d'un système de commande automatique, et support lisible par ordinateur
US20210224046A1 (en) Workflow engine for generating code based on visualizations
JP2006114033A (ja) データを編成することを円滑にするシステム
Fierro Self-Adapting Software for Cyberphysical Systems
US20060184715A1 (en) Method and system for exchanging description data between projects
US20180025277A1 (en) Automated acquisition of a logical deduction path in a mivar knowledge base
Ollesch et al. Engineering Events in CPS-Experiences and Lessons Learned
Haubeck et al. A Knowledge Carrying Service-Component Architecture for Smart Cyber Physical Systems: An Example based on self-documenting production systems
Alelaimat et al. Abductive design of BDI agent-based digital twins of organizations
US20240103478A1 (en) Validation Logic for OPC UA Connected Devices
KR102188562B1 (ko) 시각 블록 언어 기반 IoT 응용 프로그램 개발 도구 및 그 동작 방법
US20220171900A1 (en) Method and device for generating a data integration device
Quinn DATA ONTOLOGY ASSESSMENT TO SUPPORT SMART AND ONGOING COMMISSIONING OF BUILDINGS
JPWO2020090076A1 (ja) 回答統合装置、回答統合方法および回答統合プログラム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20954773

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20954773

Country of ref document: EP

Kind code of ref document: A1