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Loosely Time-Triggered Architectures for Cyber-Physical Systems

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1 Author(s)
Benveniste, A. ; IRISA/INRIA, Rennes, France

Cyber-Physical Systems require distributed architectures to support safety critical real-time control. Kopetz' Time-Triggered Architectures (TTA) have been proposed as both an architecture and a comprehensive paradigm for systems architecture, for such systems. To relax the strict requirements on synchronization imposed by TTA, Loosely Time-Triggered Architectures (LTTA) have been recently proposed. In LTTA, computation and communication units at all triggered by autonomous, non synchronized, clocks. Communication media act as shared memories between writers and readers and communication is non blocking. In this paper we review the different variants of LTTA and discuss their principles and usage.

Published in:

Design, Automation & Test in Europe Conference & Exhibition (DATE), 2010

Date of Conference:

8-12 March 2010