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Digitaler Zwilling

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> Definition Digitaler Zwilling (1): [Virtuelle digitale Repräsentanz](http://i40.iosb.fraunhofer.de/Virtuelle%20Repr%C3%A4sentation) physischer [Assets](http://i40.iosb.fraunhofer.de/Asset)

> Anmerkung 1: Wenn die Entwicklung des Digitalen Zwillings sich wie bisher fortsetzt, wird der Digitale Zwilling in Zukunft Synonym zur [Verwaltungsschale](http://i40.iosb.fraunhofer.de/Verwaltungsschale)

> Anmerkung 2: Im Industrie 4.0 Umfeld wird der Begriff [Verwaltungsschale](http://i40.iosb.fraunhofer.de/Verwaltungsschale) präferiert.

> Definition Digitaler Zwilling (2): Simulationsmodell

### Quelle

>    - Unterschiede in Zielen der Verwaltungsschale und des Digitalen Zwilling
>    - https://gi.de/informatiklexikon/digitaler-zwilling/
>    - https://en.wikipedia.org/wiki/Digital_twin
>    - https://www2.deloitte.com/de/de/pages/technology-media-and-telecommunications/articles/digital-twins.html
>    - http://www.hannovermesse.de/de/news/top-themen/digital-twin/

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# digital twin

> Definition 1: Virtual digital representation of physical assets.

> Note 1: In future, the digital twin will be a synonym for the asset administration shell if the development will continue as before.

> Note 2: In the context of Industrie 4.0, the term asset administration shell is preferred.

> Definition 2: Simulation model

### source

>    - differences in goals of administration shell and digital twin 
>    - https://gi.de/informatiklexikon/digitaler-zwilling/
>    - https://en.wikipedia.org/wiki/Digital_twin
>    - https://www2.deloitte.com/de/de/pages/technology-media-and-telecommunications/articles/digital-twins.html
>    - http://www.hannovermesse.de/de/news/top-themen/digital-twin/

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Reifegrad
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Kommentare
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    - IIC Discussion Digital Factory, 2/2019
        - Vocabulary
            - Digital representation of an entity, including all necessary attributes and behaviors, sufficient to meet the requirements of a set of use cases
            - entity = item that has recognizably distinct existence note: e.g. a person, an organization, a device, a subsystem or a group of such items
            - attribute = characteristic or property of an entity that can be used to describe its state, appearance or other aspects
            - data = content represented in a digital and formalized manner suitable for communication, storage, interpretation or processing
            - asset = major application, general support system, high impact program, physical plant, mission critical system, personnel, equipment or a logically related group of systems
            - process = type of composition whose elements are composed into a sequence or flow of activities and interactions with the objective of carrying out certain work
        - Rejected Definitions
            - A digital twin is the enriched digital representation of an asset. (Chicago Definition)
            - Digital twins are software representations of assets and processes that are used to understand, predict, and optimize performance in order to achieve improved business outcomes. Digital twins consist of three components: a data model, a set of analytics or algorithms, and knowledge.
            - Digital Twin-a perceived complete digital representation (including attributes and behaviors) of an entity given a specific context.
            - A digital representation of an entity, complete enough to achieve a specific use case, and in particular including attributes and behaviors
            - digital representation of an entity, sufficient to achieve a specific use case, with all necessary attributes and behaviors
    - Weitere Quellen:
          - Unterschiede in Zielen der Verwaltungsschale und des Digitalen Zwilling
          - https://gi.de/informatiklexikon/digitaler-zwilling/
          - https://en.wikipedia.org/wiki/Digital_twin
          - https://www2.deloitte.com/de/de/pages/technology-media-and-telecommunications/articles/digital-twins.html
          - http://www.hannovermesse.de/de/news/top-themen/digital-twin/
    - Vor Sitzung am 1.9.17:
          - Virtuelle digitale Repräsentanz physischer Assets
          - Anmerkung 1: Wenn die Entwicklung des Digitalen Zwillings sich wie bisher fortsetzt, wird der Digitale Zwilling in Zukunft Synonym zur Verwaltungsschale
          - Anmerkung 2: Ursprüngliche Intention war das Simulationsmodell
    - Sitzung 16.3.17:
          - Digitaler Schatten/Engel/Klon  --> Digitaler Zwilling wird genutzt, die anderen Begriffe nicht mehr
          - Bezug reales Asset --> Aber: Keine Schnittstelle zu Diensten des realen Assets
          - Wird sukzessive erweitert, Aspekte der Verwaltungsschale berücksichtigt
          - Virtueller Anteil zur I4.0 Komponente
          - Akt. Definition der Verwaltungsschale:= Virtuelle digitale und aktive Repräsentanz einer I4.0 Komponente im I4.0 System
          - Basys Papier Automation thematisiert dies 

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