WO2025002531A1 - Module technique chorégographié ayant une fonctionnalité d'orchestration - Google Patents

Module technique chorégographié ayant une fonctionnalité d'orchestration Download PDF

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Publication number
WO2025002531A1
WO2025002531A1 PCT/EP2023/067336 EP2023067336W WO2025002531A1 WO 2025002531 A1 WO2025002531 A1 WO 2025002531A1 EP 2023067336 W EP2023067336 W EP 2023067336W WO 2025002531 A1 WO2025002531 A1 WO 2025002531A1
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WO
WIPO (PCT)
Prior art keywords
technical
module
technical module
designed
instructions
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
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PCT/EP2023/067336
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German (de)
English (en)
Inventor
Andreas Stutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to PCT/EP2023/067336 priority Critical patent/WO2025002531A1/fr
Publication of WO2025002531A1 publication Critical patent/WO2025002531A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • 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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31094—Data exchange between modules, cells, devices, processors

Definitions

  • the invention relates to a technical module comprising a plurality of technical objects, each of which is designed and provided to carry out a technical function,
  • control unit designed and intended to control the technical objects
  • a communication unit which is designed to exchange data with external communication partners, in particular other technical modules, via communication connections
  • the communication unit has a computer-implemented connection service which is designed to manage the communication connections of the technical module
  • the communication unit has a computer-implemented reading service which is designed to read data which is received from external communication partners via the communication connections of the technical module managed by the connection service
  • the invention also relates to a technical system comprising at least one technical module.
  • the invention also relates to a method for operating a technical module in a technical system.
  • the invention also relates to a computer program with a corn- computer-executable program code instructions and a computer-readable medium.
  • Modular systems enable system operators to significantly shorten the so-called "time to market” and to respond quickly to changing market conditions by converting the system with little effort.
  • system operators can build up a pool of modular units (e.g. process units) with which they can put together a specific system using what is known as orchestration. If the system is to be converted, individual modules are removed and replaced by others, for example more powerful modules.
  • the publication WO 2016/074730 A1 describes a method of creating a modular technical system using self-description information of the modules. This method is based on self-description information of the individual modules that is available online. However, in an orchestration process of a modular system, this information is usually not available (online), since the planning is done offline on the basis of static type description information such as the Module Type Package (MTP) (cf. draft of the standard "VDI/VDE/NAMUR 2658" published by the Association of German Engineers (VDI) on 4 January 2018).
  • MTP Module Type Package
  • the "unit operation" is implemented by the plant operator in the orchestration instance by orchestrating small-scale functions using purely procedural relationships, usually solved using step transition logic.
  • the orchestration in the orchestration instance also requires consideration of regulatory and locking relationships.
  • the orchestration instance has a data hub that reads values from a source and writes them to a sink. Between reading and writing, the orchestration instance has the option of inserting configurable conversions.
  • the orchestration of the small-scale functions and the realization of the regulatory and locking relationships place high performance and real-time demands on the orchestration instance.
  • the "unit operation” is implemented natively in a (control) program of a controller of the technical module.
  • a step transition logic is usually used. Regulatory and locking tasks can in this case be implemented within the controller of the technical module.
  • flexibility is limited with this solution, since the function at the level of a “unit operation” must be very specific for a certain application case.
  • the mechanical engineer who implements the technical module develops, manufactures, tests and (in some industries) sells with appropriate validation certificates, do not have the process knowledge to implement the "unit operation” in the technical module.
  • the Module Type Package (MTP) concept is a standardization activity that specifies runtime interfaces and semantic information models to enable a largely automated integration process of intelligent modules, so-called device assemblies, into a higher-level control system, the so-called orchestration layer.
  • the standard introduces an automation service concept using a central orchestration mechanism for linking several automation services.
  • the use of a choreography mechanism is already proposed as a solution for implementing cross-device and cross-module automation functions.
  • choreographies are ideal for assigning device assemblies, especially when it comes to controls that are closed across device assembly boundaries.
  • automation software for each device assembly involved in a choreography called choreography participant, must be expanded to include function blocks that correspond to a specific choreography pattern. This represented a limitation in some cases.
  • a choreography consists of at least two services that are designed to perform procedural, regulatory, circuit and parameter system variables can be exchanged via direct cross-communication.
  • System variables are service states, parameters, process values or status information from individual control elements that are provided via standardized interfaces.
  • the service In a choreography, the service is provided with the system variables of other services that are required for its own task, and with a configured set of rules that define how the service must react to changes in the system variables. In this way, it is defined how the behavior of a service is influenced by the system variables of its environment. Together, this forms the functional knowledge that a service must have in order to interact with the surrounding services.
  • the interaction of all services in a choreography thus implements a new associated automation function that can be accessed via a new service interface that maps the entire choreography.
  • This interface consists of the interface of a service (the so-called "leader”) and other services (the so-called “followers”) that are required for the associated functionality.
  • control unit designed and intended to control the technical objects
  • a communication unit which is designed to exchange data with external communication partners, in particular other technical modules, via communication connections
  • the communication unit has a computer-implemented connection service which is designed to manage the communication connections of the technical module
  • the communication unit has a computer-implemented reading service which is designed to read data which is received from external communication partners via the communication connections of the technical module managed by the communication unit
  • - a logic unit that can be configured during the runtime of the technical module and is designed to generate information necessary for the control unit to control the technical objects for operating the technical module in the technical system on the basis of choreography instructions received from an orchestration instance via the reading unit.
  • the technical module is characterized by the fact that the configurable logic unit is additionally is designed to generate instructions for a control unit of a further technical module for controlling technical objects for operating the further technical module in the technical system on the basis of the choreography instructions received from the orchestration instance via the reading unit, wherein the technical module has a computer-implemented writing service which is designed to transmit the instructions generated by the logic unit to the further technical module via the communication connections managed by the connection service, so that the technical module is designed as a further orchestration instance for the further technical module.
  • a “technical module” is understood to mean a self-contained technical unit that can be integrated into a (higher-level) orchestration instance of the technical system. Such a technical module can, for example, be a combination of several measuring points or a larger part of the technical system.
  • a technical module can include any combination of individual control elements, sensors or automation components.
  • software-technical representations of, for example, individual control elements can also be part of a technical module.
  • the technical module comprises a plurality of technical objects with the help of which a technical process can be carried out.
  • a technical object can be a boiler with which a liquid can be heated or a conveyor belt with which a medium or an object can be transported.
  • the technical module includes (at least) one control unit. This controls (and regulates, if necessary) the technical objects on the basis of rules and interconnections stored or that can be stored in the technical module. These can be partially specified by a manufacturer of the technical module and stored in the technical module.
  • the technical module is designed to carry out a complex technical function in the technical system, such as the controlled pumping of liquid, heating water and maintaining a certain temperature in a tank, carrying out a filtering function and the like.
  • the technical module can have, for example, valves, tanks, sensors and the like as technical objects.
  • the technical module also has a communication unit that is used to exchange data with external communication partners.
  • This communication unit can include a server, in particular an OPC UA server.
  • the communication unit can also include a publisher, in particular an OPC UA publisher.
  • Publish/subscribe is a widely used and well-known mechanism through which subscribers receive information from publishers in the form of messages.
  • the orchestration instance can be, for example, a control system for a technical system such as a process system.
  • the orchestration instance wants, for example, to have a specific product produced by the technical module (and possibly other technical modules). To do this, it has gained knowledge in advance about which technical function(s) (services) the technical module offers. This information has been communicated to the orchestration instance, for example, by importing a so-called MTP file (Module Type Package). It is particularly advantageous that one or more technical functions can be addressed by the control unit as a service that can be carried out in accordance with the VDI/VDE/NAMUR 2658 standard, which is valid at the time of the present patent application.
  • the standard mentioned is becoming increasingly popular, particularly in the context of modular production or manufacturing, which means that a suitably designed technical module can be particularly easily integrated into the automation of a technical system.
  • the orchestration instance creates choreography instructions in order to achieve the creation of the desired product. These choreography instructions are transmitted to the communication unit of the technical module (wirelessly or wired using suitable communication protocols).
  • the choreography instruction is converted by the configurable logic unit into information that the control unit of the technical module requires to operate the technical module in the technical system.
  • the choreography instruction also contains information about which other technical functions/services interact with the respective technical function/service of the technical module. These other technical functions/services can be contained in other technical modules that can be effectively connected to the technical module.
  • the logic unit can have computer-implemented function blocks that are configured according to the choreography instructions received. It is possible that the technical module already contains rules and interconnections for the individual technical objects, and that the configuration of the logic unit leads to a revised interconnection of the technical objects that are (only) valid for the execution of the instructed technical function(s). It can be provided that rules and interconnections already stored in the technical module, which have been created, for example, by the manufacturer of the technical module, cannot be changed due to the external instruction received.
  • a significant innovation compared to known technical modules is the special design of the configurable logic unit in the technical module.
  • “In the technical module” means that the logic unit is computer-implemented on computing/storage units that are physically part of the technical module.
  • the logic unit is designed to generate instructions based on the choreography instructions received from the orchestration instance, which can be transmitted to another technical module by a computer-implemented writing service of the technical module, which is also not yet known. These instructions represent orchestration instructions which the other technical module needs for its operation.
  • the (first) technical module is therefore designed in a particularly advantageous manner both as a participant in a choreography of the orchestration instance and, in relation to the other technical module, as another orchestration instance.
  • This design of the technical module according to the invention allows the signal propagation times between the individual technical modules and the higher-level orchestration instance such as the control system to be significantly reduced and the volume of communication to be kept to a minimum.
  • the main idea behind this is that the technical module is generally located much closer to the other technical module (which is connected to the first technical module). nic module) is known as the orchestration
  • the communication unit can be designed to exchange data with external communication partners via the communication connections based on the OPC UA specification that is valid at the time of this patent application, and the computer-implemented connection service can be designed to manage the OPC UA connections of the technical module in accordance with the PLCopen OPC UA specification that is valid at the time of this patent application, and the computer-implemented read service can be designed to read data that is received from external communication partners via the OPC UA communication connections of the technical module managed by the communication unit, and the computer-implemented write service can be designed to transmit the instructions generated by the logic unit to the other technical module via the OPC UA communication connections managed by the connection service.
  • the communication unit can have an archive in which information relating to communication with external communication partners can be stored, for example network addresses of the communication partners.
  • the previously formulated task is also solved by a technical system, in particular a manufacturing or process system, comprising at least one technical module as previously explained and at least one orchestration instance developed separately for the technical module.
  • the technical system can be a system from the process industry, such as a chemical, pharmaceutical, petrochemical or a system from the food and beverage industry. This also includes any technical system from the production industry, factories in which, for example, cars or goods of all kinds are produced. Wind turbines, solar systems or power plants for generating energy are also included in the term technical system.
  • the technical system preferably comprises a visualization system that is designed to visualize the choreography instructions used to control the technical objects of the technical module.
  • a visualization system that is designed to visualize the choreography instructions used to control the technical objects of the technical module.
  • the technical module can be integrated or choreographed more easily and efficiently into the technical system for carrying out a technical process.
  • the visualization system makes it possible to obtain an overview of the technical functions currently applicable or active in the technical module and to supplement these if necessary.
  • the visualization information required for the visualization can be transmitted to the visualization system in a format according to the aforementioned standard VDI / VDE / NAMUR 2658.
  • the higher-level control unit can be designed as a control system which includes an operator station server for the visualization and/or orchestration of the technical module.
  • an "operator station server” is understood to mean a server which centrally records and stores data from an operating and monitoring system as well as, as a rule, alarm and measured value archives from the control system of the technical system. makes it available to users.
  • the operator station server generally establishes a communication link to the automation systems of the technical plant and forwards data from the technical plant to so-called clients, which are used to operate and monitor the operation of the individual functional elements of the technical plant.
  • the operator station server can have client functions to access the data (archives, messages, tags, variables) of other operator station servers. This means that images of the operation of the technical plant on the operator station server can be combined with variables from other operator station servers (server-server communication).
  • the operator station server can be, but is not limited to, a SIMATIC PCS 7 Industrial Workstation Server from SIEMENS.
  • the technical system preferably comprises a further technical module in addition to the (first) technical module.
  • the further technical module is connected to the technical module via communication technology and is designed to control the technical objects of the further technical module based on the instructions generated by the logic unit of the technical module and transmitted to the further technical module.
  • the further technical module is not orchestrated or choreographed by the central orchestration instance, but by the (first) technical module, which acts as its own, additional orchestration instance.
  • the technical system may have a further technical module which is connected to the (first) technical module by means of communication technology and which is named according to the generic term of the technical module explained above, or according to the generic term and the characterizing part of the technical module explained above.
  • the further technical module can therefore at least be choreographed. However, it can also be designed in a similar way to the technical module according to the invention.
  • the previously formulated task is also solved by a method for operating a technical module in a technical plant, in particular a manufacturing or process plant, the technical module comprising:
  • a computer-implemented writing service comprising: a) integrating the technical module into the technical system, in the course of which a communication connection of the technical module to an orchestration instance of the technical system, in particular a control system of the technical system, is set up, b) transmitting a choreography instruction to the communication unit by the orchestration instance as an external communication partner of the technical module and forwarding it to the configurable logic unit of the technical module, c) generating necessary information on the basis of choreography instructions that are transmitted via the reading unit received from an orchestration instance for the control unit for controlling the technical objects for operating the technical module in the technical system, d) Based on the choreography instructions received from the orchestration instance via the reading unit, generating instructions for a control unit of another technical module for controlling technical objects for operating the other technical module in the technical system, e) Transmitting the instructions generated by the logic unit to the other technical module via the communication connections managed by the connection service by the writing service, f) Operating the technical module in the technical system.
  • method step b is carried out on the basis of a server, in particular an OPC UA server.
  • method step b is carried out on the basis of a publisher, in particular an OPC UA publisher.
  • the additional technical module is also operated on the basis of the (orchestration) instructions transmitted by the writing service of the technical module.
  • a further technical module is additionally operated, which is designed according to the generic term of the technical module according to the invention, or according to the generic term and the characterizing part of the technical module, wherein the further technical module is operated on the basis of choreography instructions which it receives from the orchestration instance.
  • the object is further achieved by a computer program with computer-executable program code instructions for implementing a previously described method, and by a computer-readable medium comprising instructions which, when executed by a computer, cause the computer to carry out a previously described method.
  • the figure shows a modular technical system 1.
  • the technical system 1 comprises a first technical module 2, a second technical module 3, a third technical module 4, a further technical module 5 and a control system 8 for the technical system.
  • the control system 8 has an operator station server 6, which is designed as an orchestration instance for the creation of a product in the technical system.
  • the operator station server 6 of the control system 8 has an operator station client 7, by means of which the technical system 1 with the technical modules 2, 3, 4, 5 can be orchestrated, operated and monitored.
  • the technical modules 2, 3, 4, 5 are designed for modular use in the technical system 1. For this purpose, they have a plurality of technical objects such as sensors and actuators, each of which is designed to perform technical functions.
  • a technical function can, for example, be a heating stirring, moving, measuring or the like.
  • the operator station server 6 is designed to communicate with the technical modules 2, 3, 4, 5 via an OPC UA connection and to exchange data.
  • the first technical module 2, the second technical module 3 and the third technical module 4 are each designed to provide a cumulation of technical functions/services to the control system 8 as an orchestrating instance as part of a choreography of their technical functions/services. In other words, this means that they are able to implement more complex choreography instructions 9 that they receive from the control system 8.
  • these choreography instructions 9 refer not only to the own technical functions provided by the first technical module 2, but also to the technical functions of the respective neighboring modules 3, 4. This is expressed by interaction double arrows 10a, 10b in FIG 1.
  • the second technical module 3 and the third technical module 4 are also able to process the choreography instructions 9 of the control system 8 and, together with the first technical module 2, to provide the cumulation of their technical functions as a "service package".
  • the further technical module 5 is not able to participate in the choreography and can only be orchestrated.
  • a detailed structure of the first technical module 2 can be seen in FIG 2.
  • a control unit 11 is implemented in the first technical module 2, which is designed and intended to control the technical objects of the technical module 2 on the basis of rules and interconnections of the individual objects.
  • the control unit 11 has access to a configurable logic unit. unit 12 of the first technical module 2.
  • the first technical module 2 has a communication unit 13, which has a computer-implemented connection service 14, a computer-implemented read service 15 and a computer-implemented write service 16.
  • the communication unit 14 can communicate with external communication partners such as the second technical module 3 or the further technical module 5 via an OPC UA interface 17.
  • a method for operating the technical modules 2, 3, 4, 5 in the technical system 1 is explained below: First, the technical modules 2, 3, 4, 5 are integrated into the technical system 1. In the process, logistical steps are carried out that are not explained in detail here (cables, power supply, placement, etc.). During the setup, a communication connection is also set up from the operator station server 6 to the technical modules 2, 3, 4. The additional technical module 5 is communicatively connected to the first technical module 2.
  • a choreography instruction is transmitted automatically or by manual input from an operator of the technical system from the operator station server 6 to the communication unit 14 of the first technical module 2 as well as to the second technical module 3 and to the third technical module 4.
  • the choreography instruction is a recipe.
  • the recipe contains one or more steps that are to be processed by the technical modules 2, 3, 4, 5.
  • the recipe also includes parameters that are relevant for processing the individual steps.
  • a recipe can include the following information:
  • the communication unit 14 of the first technical module 2 forwards the received choreography instruction to the configurable logic unit 12 of the first technical module 2.
  • the instruction can follow the formal structure according to the VID/VDE/NAMUR 2658 standard and address individual "services" that the first technical module 2 offers as a "service”.
  • the logic unit 12 generates the information required for operation on the basis of the choreography instructions 9 for the control unit 11 for controlling the technical objects for operating the first technical module 2 in the technical system.
  • Corresponding logic units of the second and third technical modules 3, 4 carry out analogous steps.
  • the choreography instructions 9 also include, as already explained, interactions between the technical modules 2, 3, 4.
  • the logic unit 12 of the first technical module 2 On the basis of the received choreography instructions 9, the logic unit 12 of the first technical module 2 also generates instructions 18 for a control unit of the further technical module 5 for controlling technical objects for operating the further technical module 5 in the technical system 1. These instructions 18 generated by the logic unit 12 are transmitted to the further technical module 5 by the writing service 16 via the OPC UA communication connections managed by the connection service 14. Based on these configurations, the technical modules 2, 3, 4, 5 are operated and the product required by the recipe is produced.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

L'invention concerne un module technique (2) comprenant : - une pluralité d'objets techniques, chacun étant conçu et prévu pour exécuter une fonction technique, - une unité de commande (11) qui est conçue et prévue pour commander les objets techniques, - une unité de communication (13) qui est conçue pour échanger des données avec des partenaires de communication externes, en particulier avec d'autres modules techniques (3, 4, 5), par l'intermédiaire de liaisons de communication, l'unité de communication (13) ayant un service de connexion mis en œuvre par ordinateur (14) qui est conçu pour gérer les liaisons de communication du module technique (2), et l'unité de communication (13) ayant un service de lecture mis en œuvre par ordinateur (15) qui est conçu pour lire des données reçues en provenance de partenaires de communication externes par l'intermédiaire des liaisons de communication du module technique (2) qui sont gérées par l'unité de communication (13), - une unité logique (12) qui peut être conçue pendant l'exécution du module technique (2) et qui est conçue pour générer, sur la base d'instructions de chorégraphie (9) qui sont reçues en provenance d'une instance d'orchestration (8) par l'intermédiaire de l'unité de lecture (15), des informations requises par l'unité de commande (11) pour commander les objets techniques afin de faire fonctionner le module technique (2) dans un système technique (1).
PCT/EP2023/067336 2023-06-26 2023-06-26 Module technique chorégographié ayant une fonctionnalité d'orchestration Ceased WO2025002531A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133096A2 (fr) * 2005-06-08 2006-12-14 Brooks Automation, Inc. Systeme de controle des mouvements echelonnable
WO2016074730A1 (fr) 2014-11-13 2016-05-19 Siemens Aktiengesellschaft Procédé de planification pour la fabrication d'un produit et module de production avec information d'autodescription
WO2019099111A1 (fr) * 2017-11-16 2019-05-23 Intel Corporation Systèmes industriels définis par logiciel distribués

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133096A2 (fr) * 2005-06-08 2006-12-14 Brooks Automation, Inc. Systeme de controle des mouvements echelonnable
WO2016074730A1 (fr) 2014-11-13 2016-05-19 Siemens Aktiengesellschaft Procédé de planification pour la fabrication d'un produit et module de production avec information d'autodescription
WO2019099111A1 (fr) * 2017-11-16 2019-05-23 Intel Corporation Systèmes industriels définis par logiciel distribués

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BLUMENSTEIN MICHELLE ET AL: "Coordination of Modular Packaging Lines Using Automation Service Choreographies", 2022 IEEE 27TH INTERNATIONAL CONFERENCE ON EMERGING TECHNOLOGIES AND FACTORY AUTOMATION (ETFA), IEEE, 6 September 2022 (2022-09-06), pages 1 - 8, XP034213634, [retrieved on 20221024], DOI: 10.1109/ETFA52439.2022.9921609 *

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