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Welcome to the 12th IEEE International Symposium on Industrial Embedded Systems and Toulouse, France. The aim of the symposium is to bring together researchers and practitioners from industry and academia and provide them with a platform to report on recent developments, deployments, technology trends and research results, as well as initiatives related to embedded systems and their applications in...
Spacecraft on-board digital processing devices and software have become one of the major cost drivers, rapidly growing in volume and complexity. Reprogrammable FPGA, System On Chip, Multi-core and Many-core processing devices will provide higher on-board computing performance for payloads as well as being an opportunity for more functional integration. But changing from a single to several processors...
Mobile health monitoring technology has the potential to bring a doctor’s office to the patient’s smartphone. In this context, we consider an end-to-end soft real-time out-ofhospital use-case that concerns transmission of patient ECG data from ST BodyGateway pulse sensor via an Android device (Patient App) to a Cloud server for ECG analysis and annotation and then to another Android device (Doctor...
Worst-case delay analysis of real-time networks is mandatory, since distributed real-time applications require bounded end-to-end delays. Switched Ethernet technologies have become popular solutions in the context of real-time systems. Several approaches, based on Network Calculus, trajectories, ..., have been proposed for the worst-case analysis of such technologies. They compute pessimistic upper...
System-on-Chip (SoC) designers face many challenges to improve at the same time performance and energy efficiency, due to the continuous increase of the architecture complexity. Designers use Electronic System Level (ESL) tools and virtual prototyping to face this complexity in the early step of the system design. Power consumption includes dynamic power and static power. Power consumption and performance...
This paper presents some work in progress on the development of fast and accurate support for complex floatingpoint arithmetic on embedded processors. Focusing on the case of multiplication, we describe algorithms and implementations for computing both the real and imaginary parts with high relative accuracy. We show that, in practice, such accuracy guarantees can be achieved with reasonable overhead...
NoC-based designs provide a scalable and flexible communication solution for the rising number of processing cores on a single chip. To master the complexity of the software design in such a NoC-based multi-core architecture, advanced incremental integration testing solutions are required. This work presents a virtual platform based software testing and debugging approach for a synchronous application...
For the past few decades, automatic accident detection, especially using video analysis, has become a very important subject. It is important not only for traffic management but also, for Intelligent Transportation Systems (ITS) through its contribution to avoid the escalation of accidents especially on highways. In this paper a novel vision-based road accident detection algorithm on highways and...
Over the last few years, considerable interest has arisen in measurement-based probabilistic timing analysis. The term MBPTA has been used to indistinctly refer to a variety of different applications of Extreme Value Theory (EVT) to the timing analysis problem. The successful application of MBPTA techniques to a score of case studies has not fully dispelled the concerns that industrial stakeholders...
The Avionics Full-Duplex Switched Ethernet (AFDX) network has established itself as a reference in aeronautical embedded communications to comply with the growth of bandwidth needs and the reliability requirements. Its determinism property imposes that AFDX frames have to transit through the network in a limited amount of time. Due to potential delays in the processing frames at a reception End-System,...
This paper presents a new aperiodic request server in real-time energy harvesting system. This server handles hard periodic tasks and soft aperiodic tasks, using ED-H in order to schedule periodic tasks. The main principle of the server is to minimize response times of aperiodic tasks without compromising the schedulability of periodic tasks. The server, known as SSP (Slack stealing with Energy Preserving),...
Due to rising integrations, low voltage operations, and environmental influences such as electromagnetic interference and radiation, transient faults may cause soft errors and corrupt the execution state. Such soft errors can be recovered by applying fault-tolerant techniques. Therefore, the execution time of a job of a sporadic/periodic task may differ, depending upon the occurrence of soft errors...
Reliably upperbounding contention in multicore shared resources is of prominent importance in the early design phases of critical real-time systems to properly allocate time budgets to applications. However, during early stages applications are not yet consolidated and IP constraints may prevent sharing them across providers, challenging the estimation of contention bounds. In this paper, we propose...
Embedded systems empower many products and are used in a variety of applications ranging from smart homes to modern cars. Respective technologies enable new functional features and at the same time improve also non-functional aspects like environmental efficiency. Especially, their inter-connection and coupling with existing networks – in particular to the Internet – allow for an unprecedented boost...
This paper proposes hyper-period thermal management to minimize the peak temperature while guaranteeing hard real-time constraints for real-time systems. To establish the criterion of the optimal solution, a closed-form representation of the peak temperature is derived. With this formulation and the linear convex hull of an arrival curve, an approach which derives hyper-periodic thermal management...
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