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Energy consumption is a major issue in the design of embedded systems that are battery-driven. At the architectural level energy savings can be realized by a diversity of mechanisms. This paper presents the energy-savings mechanisms that are part of the time-triggered architecture (TTA). The paper starts with a general section on energy dissipation in VSLI circuits and an outline of the architectural...
The design and implementation of Real-Time Embedded Systems is now heavily relying on Model-Driven Engineering (MDE) as a central place to define and then analyze or implement a system. MDE toolchains are taking a key role as to gather most of functional and not functional properties in a central framework, and then exploit this information. Such toolchain is based on both 1) a modeling notation,...
AADL is an architecture description language intended for model-based engineering of high-integrity systems. The AADL Behavior Annex is an extension allowing the refinement of behavioral aspects described through AADL. When implementing Distributed Real-time Embedded system, fault tolerance concerns are integrated by applying replication patterns. We considered a simplified design of the primary backup...
High-integrity systems are deployed in order to realize safety-critical applications. To meet the rigorous requirements in this domain, these systems require a sophisticated approach to design, verification, and certification. Not only safety consideration shave an impact on a product's overall dependability, but also security has to be taken into account. In this paper we analyze the Time-Triggered...
In recent times real-time distributed systems have definitively become peer-to-peer organized. The common interactions are those of different real-time components dealing with sensors or actuators, implementing controllers, performing monitoring and surveillance tasks, and interacting between them in a dynamic decentralized way. There is a need for mechanisms that allow the integration of these independent...
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