EP4423660A1 - Simulation assistée par ordinateur d'un système modulaire - Google Patents

Simulation assistée par ordinateur d'un système modulaire

Info

Publication number
EP4423660A1
EP4423660A1 EP22834652.4A EP22834652A EP4423660A1 EP 4423660 A1 EP4423660 A1 EP 4423660A1 EP 22834652 A EP22834652 A EP 22834652A EP 4423660 A1 EP4423660 A1 EP 4423660A1
Authority
EP
European Patent Office
Prior art keywords
module
computer
modular system
simulation
simulation model
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.)
Pending
Application number
EP22834652.4A
Other languages
German (de)
English (en)
Inventor
Bernhard Agthe
Andrés Botero Halblaub
Harald Held
Benjamin Lee
Veronika LIEBIG
Annelie Sohr
Christoph Wincheringer
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
Publication of EP4423660A1 publication Critical patent/EP4423660A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • 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
    • G05B17/00—Systems involving the use of models or simulators of said systems
    • G05B17/02—Systems involving the use of models or simulators of said systems electric
    • 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]
    • G05B19/41885—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 modeling, simulation of the manufacturing system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • 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
    • G05B2219/32—Operator till task planning
    • G05B2219/32352—Modular modeling, decompose large system in smaller systems to simulate
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00—Details relating to CAD techniques
    • G06F2111/02—CAD in a network environment, e.g. collaborative CAD or distributed simulation

Definitions

  • the invention relates to a computer-implemented method and a device for computer-aided simulation of a modular system, as well as a computer program product.
  • Industrial systems increasingly have a modular structure and include a large number of modules/machines coupled with one another.
  • the individual modules/machines generally include the respectively required automation technology and analysis functionalities as well as computing capacities, for example for an operational computer-aided simulation and/or analysis.
  • a distributed simulation and/or analysis of the modular system can also be implemented on edge devices.
  • a computer-aided simulation model of a modular system can be defined in particular according to the "System Structure & Parameterization" (SSP) standard (https://ssp-standard.org/).
  • SSP System Structure & Parameterization
  • the invention relates to a computer-implemented method for computer-aided simulation of a modular system using a computer-aided simulation model of the modular system, the computer-aided simulation model comprising module-specific simulation models of the respective modules of the modular system are at least partially executable on a respective module according to a distributed simulation architecture, with the method steps:
  • a structure data set which is assigned to the computer-aided simulation model, the structure data set describing module types and module parameters of the module-specific simulation models of the modules, couplings between these module-specific simulation models of the modules,
  • the invention relates to a device for computer-aided simulation of a modular system by means of a computer-aided simulation model of the modular system, the computer-aided simulation model comprising module-specific simulation models of each module of the modular system, which, according to a distributed simulation architecture, are at least partially based on a j respective module, comprising :
  • a first interface which is set up in such a way, a structure data record that the computer-aided simulation onsmodell is assigned to read in, wherein the structure data record describes module types and module parameters of the module-specific simulation models of the modules, couplings between these module-specific simulation models of the modules and the distributed simulation architecture for executing the computer-aided simulation model,
  • a detection unit that is set up in such a way to detect a change in a module of the modular system
  • an analysis unit that is set up in such a way to determine a module type of the modified module and at least one piece of coupling information about a coupling of the module to at least one other module of the system
  • a second interface that is set up to provide a configuration rule depending on the module type of the modified module
  • An update unit that is set up to update the structure data set and the computer-aided simulation model based on the configuration rule and depending on the coupling information of the modified module, and an updated structure data set, which includes an updated, distributed simulation architecture, and an updated, computer-aided simulation model output, and
  • An execution unit that is set up in such a way to execute the updated computer-aided simulation model, taking into account the updated, distributed simulation architecture.
  • the terms “perform”, “calculate”, “computer-aided”, “calculate”, “determine”, “generate”, “configure”, “reconstruct” and The like preferably to actions and/or processes and/or processing steps that change and/or generate data and/or convert the data into other data, with the data being represented or present in particular as physical quantities, for example as electrical impulses.
  • the term “computer” should be used whenever possible be interpreted broadly, in order to cover in particular all electronic devices with data processing properties.
  • Computers can thus be, for example, personal computers, servers, programmable logic controllers (PLCs), handheld computer systems, Pocket PC devices, mobile radio devices and other communication devices that can process computer-aided data, processors and other electronic devices for data processing.
  • “computer-aided” or “computer-aided” can be understood, for example, as an implementation of the method in which, in particular, a processor executes at least one method step of the method.
  • a processor can be understood to mean, for example, a machine or an electronic circuit.
  • a processor can in particular be a main processor (Central Processing Unit, CPU), a microprocessor or a microcontroller.
  • a processor can, for example, also be an IC (integrated circuit), in particular an FPGA (field programmable gate array) or an AS IC (application-specific integrated circuit). ) , or a DSP (Digital Signal Processor) or a GPU (Graphic Processing Unit).
  • a processor can also be understood to mean a virtualized processor, a virtual machine or a soft CPU.
  • a programmable processor can also be a programmable processor, for example, which is equipped with configuration steps for executing the mentioned method according to the invention or is configured with configuration steps in such a way that the programmable processor implements the inventive features of the method, the component, the modules, or other aspects and / or realized partial aspects of the invention.
  • a "unit" can be understood, for example, as a processor and/or a memory unit for storing program instructions to implement or realize a step of the method according to the invention.
  • a “modular system” or a “modular, technical system” can be understood in particular as an industrial plant, such as a production plant, factory plant or process plant.
  • an industrial system includes a large number of (technical) modules, such as devices, machines or driverless transport vehicles (Automated Guided Vehicle, AGV) that are coupled to one another, i.e. they exchange data or physical products/objects, for example.
  • a modular system can also be an energy network, for example, which can include a large number of consumers and energy producers.
  • the modules of a modular system can be dynamically changeable, such as being added, removed, reorganized and/or modified/reconfigured. For example, an AGV can leave an industrial facility and thus (at least temporarily) no longer be considered part of the industrial facility.
  • a "computer-aided simulation model" of a technical system or a modular (technical) system can be understood in particular as a digital twin of the technical system
  • a module-specific simulation model is also preferably computer-aided and is designed to simulate the respectively assigned module
  • a module type and/or module parameters of a module can preferably be defined accordingly in the assigned module-specific simulation model.
  • a module of a modular system can in particular include an edge device or be designed as an edge device which includes computing capacities in order, for example, to execute a respective module-specific simulation model.
  • a "distributed simulation architecture” can be understood in particular as a hardware or software architecture that includes a large number of distributed or decentralized processors. For example, this involves a large number of edge devices, each of which is part of the The distributed simulation architecture specifies, in particular, on which hardware at least part of a computer-aided simulation model is executed.
  • a "structure data set” can be understood in particular as a data set or a data structure, such as a document that is set up in accordance with the SSP standard.
  • the structure data set is in particular clearly assigned to the computer-aided simulation model Computer-aided simulation model and the simulation architecture defined for it are described by the structure data set.
  • a “configuration rule” can be understood in particular as a regulation for configuring and/or changing the structural data set and/or the computer-aided simulation model.
  • the configuration rule for a respective module is preferably defined in advance on the basis of the module type.
  • the configuration rule includes at least one regulation How a simulation model of a newly added module of the respective module type is to be coupled to a simulation model of an existing module of the modular system.
  • "Coupling" of modules can mean, for example, a (wireless or wired) communication or data connection, a physical connection and /or an interaction between the respective modules to be understood . Coupling takes place in particular via suitable interfaces.
  • the corresponding computerized simulation model of the modular system can be automatically adjusted and run on the appropriately adjusted simulation architecture.
  • the structure data set is automatically updated, so that the updated structure data set describes the changed structure of the modular system and the changed simulation architecture.
  • the simulation architecture can be updated using an optimization method for the optimized distribution of computing power.
  • the simulation architecture in particular can be optimally adapted, i . H . an optimal distribution of the calculations on available edge and/or cloud hardware.
  • the distribution of the computing power of the hardware used can be optimized in terms of costs and/or energy consumption.
  • changing a module of the modular system can include adding a new module, removing an existing module, and/or reorganizing or reconfiguring at least one existing module of the modular system.
  • a modular system can be modified by adding a module, removing a module, or reconfiguring or reorganizing an existing module. This can, for example, with a suitable detector such. B. a camera, are determined. A change can be detected in particular by regularly monitoring the existing modules of the modular system.
  • a change in a module of the modular system can include a change in the computing power of a module in the system for executing the respective module-specific simulation model.
  • an overall computing power for the modular system may change if a module on which at least a portion of the computer-aided simulation can be executed is removed.
  • the structure data set and the computer-aided simulation model can be updated depending on the module parameters of the module-specific simulation model of the modified module.
  • the configuration rule can be dependent on at least one module parameter of the module-specific simulation model of the changed module.
  • the structure data set can be defined according to the "System Structure &Parameterization" standard.
  • the invention relates to a computer program product that can be loaded directly into a programmable computer, comprising program code parts that, when the program is executed by a computer, cause the computer to carry out the steps of a method according to the invention.
  • a computer program product can, for example, be stored on a storage medium such as B. memory card, USB stick, CD-ROM, DVD, non-transitory storage medium or in the form of a downloadable file provided or supplied by a server on a network.
  • a storage medium such as B. memory card, USB stick, CD-ROM, DVD, non-transitory storage medium or in the form of a downloadable file provided or supplied by a server on a network.
  • Fig. 1 an exemplary embodiment of the method according to the invention for simulating a modular system
  • Fig. 2 An exemplary embodiment of the device according to the invention for simulating a modular system.
  • FIG. 1 shows a flow chart with the method steps of a computer-implemented method for simulating a modular system.
  • the modular system can be an industrial plant, for example.
  • a computer-aided simulation can be carried out in parallel with the operation of the industrial plant, for example to control the industrial plant and/or to carry out analyses, such as e.g. B. Analysis of the causes of errors to be carried out on the system.
  • the system can be controlled, for example, using a result of the computer-aided simulation.
  • the computer-aided simulation model can include a large number of module-specific simulation models, each of which depicts the modules of the modular system.
  • a respective module-specific simulation model preferably includes information about the respective module type, such as. B. "Automated guided vehicle” as well as module parameters and corresponding values of the module parameters, such as e.g. Speed.
  • At least some of the module-specific simulation models can be run on the respective module achieve the computer-aided (overall) simulation model of the plant.
  • the method described below is preferably carried out when there is a change to the modular system. Alternatively, the method can be carried out or repeated in predetermined magazines.
  • a structure data set that is assigned to the computer-aided simulation model is provided.
  • the structure data record describes module types, i.e. a type of module, and module parameters, i.e. parameters and parameter values, of the module-specific simulation models of the modules, couplings between these module-specific simulation models and the distributed simulation architecture.
  • the couplings between the module-specific simulation models preferably correspond to the couplings of the corresponding real modules of the modular system.
  • a coupling can be, for example, data exchange via an interface, a physical link or a dependency (e.g. in the case of process steps).
  • the structure data record can be defined according to the "System Structure & Parameterization" standard.
  • a change in a module of the modular system is detected.
  • a sensor can detect that a module is being added, removed, reconfigured, and/or reorganized.
  • a module can be deactivated or removed.
  • a mobile module such as a transport vehicle, can be coupled to the modular system. It follows from the change to the modular system that the associated simulation model of the modular system should be adapted according to this change and run on an equally updated simulation architecture.
  • a change can in particular also relate to a changed computing capacity of a module. For example, a computer performance increased, insufficient or temporarily unavailable.
  • a module-specific simulation model is provided for the identified, changed module (ie, the removed, added, reconfigured, or reorganized module).
  • an assigned module-specific simulation model can be read in for a newly added module.
  • the respective module-specific simulation model includes specific information and parameters of the respective module and is set up to simulate this module with the aid of a computer.
  • the module type of the changed module and at least one piece of coupling information about a coupling of the changed module to at least one other module of the modular system are determined. These couplings can be mapped using the respective module-specific simulation models.
  • the module type of the modified module and at least one item of coupling information about a coupling of the modified module with at least one other module of the modular system can also be determined directly using the module-specific simulation model of the modified module.
  • a type of coupling with other modules of the system such as e.g. B.
  • modules of the system such as e.g. B.
  • module parameters and parameter values of the changed module can also be determined and made available.
  • a configuration rule is provided based on the module type.
  • the configuration rule for a module type is preferably defined in advance.
  • the configuration rule can also be defined as a function of the module parameters of the module-specific simulation model of the changed module.
  • the configuration rule determines, for example, a way of using the module for a respective module-specific simulation model and/or a coupling to a further module-specific simulation model.
  • the configuration rule stipulates that when a module is added to the modular system, it is linked to a specified module and consequently the respective module-specific simulation models must be linked to one another accordingly.
  • the configuration rule thus also determines in particular the changes to the structure data record.
  • the structure data record and the computer-aided simulation model are updated based on the configuration rule and as a function of the coupling information of the modified module.
  • the structure data record and the computer-aided simulation model can be updated depending on the module parameters of the module-specific simulation model of the modified module.
  • the configuration of the modules in the structure data record is first updated.
  • the distributed simulation architecture is then adapted to the modified modular system.
  • the distributed simulation architecture is updated depending on the updated structure data record, which now describes the changed configuration of the modular system.
  • the simulation architecture can preferably be updated by means of an optimization method for optimizing the distributed computing power with regard to energy and/or cost consumption.
  • the updated structure data set which in particular includes the updated, distributed simulation architecture, and the updated, computer-aided simulation model are output.
  • the updated, computer-aided simulation model can be applied, taking into account the updated, distributed simulation architecture.
  • the computer-aided simulation is thus executed on the updated simulation architecture.
  • the modular system can be controlled and/or analyzed using an operational simulation.
  • FIG. 2 shows an exemplary embodiment of the device 100 according to the invention for the computer-aided simulation of a modular, technical system TS in a schematic block diagram.
  • the modular, technical system TS can, for example, be a modular, industrial system that includes a large number of modules M.
  • the modules can, for example, machines, robots, transport vehicles, etc. be .
  • the respective modules M can each comprise at least one processor, so that a computer-aided simulation can be carried out at least partially distributed on the modules.
  • the device 100 and the modular system TS are preferably coupled to one another.
  • the coupling can be a data connection via which information can be transmitted to the device 100 via the modular system TS.
  • a computer-assisted simulation model SM is assigned C to the industrial installation TS, which depicts a technical, physical and/or chemical behavior of the industrial installation TS.
  • the computer-aided simulation model SM preferably includes module-specific simulation models SMi of the respective modules M of the industrial installation TS.
  • the computer-aided simulation model SM can, for example, be carried out during operation of the industrial plant TS.
  • a structure data record SSP is assigned to the computer-assisted simulation model SM.
  • the structure data set SSP describes module types and module parameters of the module-specific simulation models SMi of the modules M and couplings between these module-specific simulation models of the modules, speaking of the coupling of the real modules M .
  • the structure data set SSP preferably describes the distributed simulation architecture SA for executing the computer-aided simulation model SM, ie. H . to what extent the execution of the computer-aided simulation model is distributed over individual modules.
  • the device 100 can be implemented, for example, as part of a control unit of the industrial installation.
  • the industrial plant can be controlled by means of a computer-aided simulation.
  • the device 100 comprises a first interface 101 , a detection unit 102 , an analysis unit 103 , a second interface 104 , a first update unit 105 , a second update unit 106 and an execution unit 106 .
  • these units can be coupled to one another in order to exchange data/information.
  • the computer-aided simulation model SM and the structure data set SSP assigned to the simulation model are read in via the first interface 101 .
  • the simulation model SM and the structure data set SSP can be read in from a memory unit that is assigned to the device 100 .
  • the detection unit 102 is connected, for example, to a sensor in the industrial system TS, which collects data about active or existing modules M of the industrial plant supplies.
  • the detection unit 102 is set up in such a way to detect a change in a module and to output information about the changed module M*. For example, a new module M* can be put into operation in the industrial installation TS and coupled with at least one other module M in the industrial installation TS.
  • a module-specific simulation model SMi* which maps the changed module M*, can be read in via the first interface 101.
  • the analysis unit 103 is set up in such a way that it determines a module type TYP of the changed module M* and at least one piece of coupling information LINK about a coupling of the module M* to at least one other module of the installation TS. For example, this information can be read from the module-specific simulation model SMi*.
  • the second interface 104 is set up in such a way that it provides a configuration rule R depending on the module type TYP and/or depending on module parameters of the changed module M*.
  • the update unit 105 is set up in such a way to update the structure data set SSP and the computer-aided simulation model SM using the configuration rule R and as a function of the link information LINK of the changed module.
  • the simulation model SM and the structure data record SSP are thus set up in accordance with the current configuration of the industrial installation.
  • a change in a module M* is consequently mapped correctly in the simulation model SM and in the structure data record SSP.
  • the module-specific simulation model SMi* of the new module M* is included in the structure data record SSP and the links to other modules are stored accordingly.
  • the distributed simulation architecture SA depending on the updated configuration of the modules M, M* or the updated configuration of the module-specific simulation models.
  • the simulation architecture SA can change by adding the new module M* with a corresponding computing capacity, for example for executing the module-specific simulation model SMi*.
  • the execution unit 106 is set up in such a way that the updated computer-aided simulation model SM* is executed taking into account the updated, distributed simulation architecture SA*.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

L'invention concerne un procédé mis en œuvre par ordinateur et un dispositif de simulation assistée par ordinateur d'un système modulaire au moyen d'un modèle de simulation assisté par ordinateur, le modèle de simulation assisté par ordinateur comprenant des modèles de simulation spécifiques de module de modules respectifs (M) du système modulaire (TS), qui peuvent être exécutés au moins en partie sur un module respectif selon une architecture de simulation (SA) répartie. Un ensemble de données de structure (SSP) qui est associé au modèle de simulation assisté par ordinateur (SM) et qui décrit les types et paramètres des modèles de simulation spécifiques de module des modules, des couplages entre ces modèles de simulation spécifiques de module des modules et l'architecture de simulation (SA) répartie pour exécuter le modèle de simulation assisté par ordinateur (SM). En cas de modification d'un module du système modulaire, l'ensemble de données de structure et le modèle de simulation assisté par ordinateur sont mis à jour à l'aide d'une règle de configuration (R) et en fonction de l'information de couplage (LINK) du module modifié. L'architecture de simulation (SA) répartie est ensuite mise à jour en fonction de l'ensemble de données de structure mis à jour (SSP*) et le modèle de simulation assisté par ordinateur mis à jour (SM*) est exécuté en tenant compte de l'architecture de simulation distribuée mise à jour (SA*).
EP22834652.4A 2021-12-17 2022-12-14 Simulation assistée par ordinateur d'un système modulaire Pending EP4423660A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21215747.3A EP4198802A1 (fr) 2021-12-17 2021-12-17 Simulation assistée par ordinateur d'un système modulaire
PCT/EP2022/085784 WO2023110975A1 (fr) 2021-12-17 2022-12-14 Simulation assistée par ordinateur d'un système modulaire

Publications (1)

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EP4423660A1 true EP4423660A1 (fr) 2024-09-04

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EP21215747.3A Withdrawn EP4198802A1 (fr) 2021-12-17 2021-12-17 Simulation assistée par ordinateur d'un système modulaire
EP22834652.4A Pending EP4423660A1 (fr) 2021-12-17 2022-12-14 Simulation assistée par ordinateur d'un système modulaire

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4703824A1 (fr) * 2024-08-30 2026-03-04 Murrelektronik GmbH Procédé de sélection d'une topologie optimale de composants d'une installation électrotechnique pour une installation industrielle

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WO2023110975A1 (fr) 2023-06-22

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