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Methodische und technische Grundlagen

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Echtzeitsysteme

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Zusammenfassung

Zweck diese Kapitels ist es, die formalen und technischen Voraussetzungen zu schaffen, damit in den nachfolgenden Kapiteln die Konzepte und Verfahren der Planung bei Echtzeitsystemen in konsistenter und einleuchtender Weise dargestellt werden können. Dazu geht es zunächst um Begrifflichkeiten, Notationen und Abläufe, die mit dem Planen verbunden sind (siehe Abschn. 2.1). Im Anschluss daran erfolgt eine umfangreiche Beschäftigung mit der Zeit und ihrer Erfassung, beginnend mit der Sicht der Physik, dann aus verschieden Sichten, die die Informatik auf die Zeit hat (siehe Abschn. 2.2). Der nachfolgende Abschnitt befasst sich mit zwei für die Planung wichtigen Prozessparametern: der Ausführungszeit und der Frist (siehe Abschn. 2.3). Aufbauend auf dem Prozessbegriff wird die Parallelausführung von Prozessen und in der Folge die Notwendigkeit der Beschränkung der Parallelität thematisiert (siehe Abschn. 2.4). Schließlich werden vernetzte Rechensysteme betrachtet, die mittels Nachrichten miteinander kommunizieren (siehe Abschn. 2.5).

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    Dieter Zöbel

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Zöbel, D. (2020). Methodische und technische Grundlagen. In: Echtzeitsysteme. Springer Vieweg, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-60421-2_2

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