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Auflistung nach Autor:in "Kuhn, Thomas"

1 - 4 von 4
  • Zeitschriftenartikel
    A Service-Based Production Ecosystem Architecture for Industrie 4.0
    (KI - Künstliche Intelligenz: Vol. 33, No. 2, 2019) Kuhn, Thomas; Sadikow, Siwara; Antonino, Pablo
    Changeability is one major goal of Industrie 4.0. Existing production architectures limit changeability, because programmable logic controllers (PLC) that are responsible for the execution of real-time production steps also define the order of production steps that are executed for every product. PLC programming therefore implicitly defines the production process. Consequently, any change of a production process requires changes in PLC code, causes potential side effects due to unknown controller dependencies, and requires extensive testing. We propose a service-based architecture approach that encapsulates production steps into re-useable services. Production cells invoke services, and comparable to multi-agent systems autonomously decide about optimal service invocations based on shared information. In this article, we outline our service-based architecture concept and describe a use-case that illustrates the decentral organization of production systems and the cooperative optimization of production steps.
  • Zeitschriftenartikel
    Digitaler Zwilling
    (Informatik Spektrum: Vol. 40, No. 5, 2017) Kuhn, Thomas
  • Konferenzbeitrag
    Frühzeitiges Absichern von Entwurfsentscheidungen durch Virtuelle Deployments
    (Informatik 2014, 2014) Kuhn, Thomas
    Multi-Core ECUs ermöglichen eine Vielzahl neuartiger Software- und Systemarchitekturen, fordern Architekten jedoch auch viele grundlegende Entscheidungen ab, die oft weichenstellend für die spätere Implementierung sind. Diese Entscheidungen sind oft schwierig zu revidieren, müssen jedoch oft basierend auf Entscheidungen getroffen werden, da es nicht möglich ist deren Auswirkungen frühzeitig zu untersuchen. In diesem Paper stellen wir das Simulationsframework FERAL vor, dass es ermöglicht bestehende oder prototypische Verhaltenskomponenten in einer simulierten Umgebung auszuführen, die die relevanten Eigenschaften der geplanten Softwarearchitekturen widerspiegelt. Die Verhaltenskomponenten müssen dafür nicht modifiziert werden. Auswirkungen von Designund Deploymententscheidungen können so frühzeitig vorhergesagt und gegebenenfalls korrigiert werden.
  • Konferenzbeitrag
    Virtual validation of cyber physical systems
    (Software-engineering and management 2015, 2015) Feth, Patrik; Bauer, Thomas; Kuhn, Thomas
    The increasing importance of Cyber Physical Systems (CPS) yields new challenges for their systematic and efficient quality assurance. CPS are characterized by open and heterogeneous architectures and environments. For embedded systems, this implies a separation of the currently very tight integration of hardware and software components. Development and testing of these systems require new development environments that enable prototyping and testing of system concepts on different levels of abstraction. In this paper, we describe the extension of our FERAL framework to support the prototyping of automotive CPS by adding an AUTOSAR simulation environment. This supports the virtual development of next generation open architectures that integrate software components from multiple suppliers on one hardware platform.