Cyber-Physical Systems of Systems: Foundations – A by Andrea Bondavalli, Sara Bouchenak, Hermann Kopetz

By Andrea Bondavalli, Sara Bouchenak, Hermann Kopetz

This ebook is open entry below a CC by way of 4.0 license.

Technical Systems-of-Systems (SoS) – within the kind of networked, self sufficient constituent computing platforms briefly participating to accomplish a well-defined target – shape the spine of so much of today’s infrastructure. The power grid, so much transportation structures, the worldwide banking undefined, the water-supply method, the army gear, many embedded structures, and an exceptional quantity extra, strongly depend upon systems-of-systems. the right kind operation and non-stop availability of those underlying systems-of-systems are primary for the functioning of our glossy society.

The eight papers offered during this ebook rfile the most insights on Cyber-Physical method of platforms (CPSoSs) that have been won throughout the paintings within the FP7-610535 ecu examine venture AMADEOS (acronym for Architecture for Multi-criticality Agile accountable Evolutionary Open System-of-Systems). it's the goal of this ebook to provide, in one constant physique, the foundational options and their relationships. those shape a conceptual foundation for the outline and knowing of SoSs and cross deeper in what we ponder the characterizing and distinguishing components of SoSs: time, emergence, evolution and dynamicity.

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Additional resources for Cyber-Physical Systems of Systems: Foundations – A Conceptual Model and Some Derivations: The AMADEOS Legacy

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The data field contains the payload of a message that, from the point of view of transport, is an unstructured bit vector. The trailer contains redundant information that allows the receiver to check whether the bit vector in the message has been corrupted during transport. Since a corrupted message is Basic Concepts on Systems of Systems 23 discarded, we can assume (as the fault model on a higher level) that the communication system delivers either a correct message or no message at all. 2 Basic Transport Service A basic transport service transfers a message from a sender to one or more receivers.

Second, we discuss evolution of CPSoSs and how to manage it by applying our proposed interface design. The following section gives a brief overview of related work. Section 3 conceptualizes interfaces in CPSoSs and introduces the Relied Upon Interface (RUI) of a CS which is an interface the operational service of the overall CPSoS relies upon. Section 4 discusses the design of RUIs. Section 5 suggests how evolution can be managed at the RUI. Section 6 concludes this chapter. 2 Related Work In the domain of safety-critical real-time systems several simplification principles concerning the integration of models of distributed computer systems with models of physical processes have been suggested [25]: abstraction, separation of concerns, causality by determinism, temporal segmentation, independence of entities, observability, and consistent time.

They are constituted by several CSs which interact with each other. Due to their complexity, well defined design methodologies should be used, in order to avoid that some SoS requirement is not fulfilled and to ease the maintainability of the SoS. 1 Architecture The architecture of a system can have some variants or even can vary during its operation. We recognize this adaptability of a system architecture by the following three concepts. Evolvable architecture: An architecture that is adaptable and then is able to incorporate known and unknown changes in the environment or in itself.

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