6 Search Results for "Nehmer, Jürgen"

Document
Industrial Challenge Description
DOI: 10.4230/LIPIcs.ECRTS.2025.22
Embedded Reconfiguration of TSN (Industrial Challenge Description)

Authors: Marc Boyer and Rafik Henia

Published in: LIPIcs, Volume 335, 37th Euromicro Conference on Real-Time Systems (ECRTS 2025)

Abstract
The sets of Ethernet extensions known as "Time Sensitive Networking" (TSN) is a promising candidate as the next backbone of real-time distributed systems. The flexibility of TSN is also an opportunity to reconfigure the network in presence of faults. This white paper presents an avionic case study for a TSN reconfiguration.
Cite as

Marc Boyer and Rafik Henia. Embedded Reconfiguration of TSN (Industrial Challenge Description). In 37th Euromicro Conference on Real-Time Systems (ECRTS 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 335, pp. 22:1-22:11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025)

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@InProceedings{boyer_et_al:LIPIcs.ECRTS.2025.22,
  author =	{Boyer, Marc and Henia, Rafik},
  title =	{{Embedded Reconfiguration of TSN}},
  booktitle =	{37th Euromicro Conference on Real-Time Systems (ECRTS 2025)},
  pages =	{22:1--22:11},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-377-5},
  ISSN =	{1868-8969},
  year =	{2025},
  volume =	{335},
  editor =	{Mancuso, Renato},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECRTS.2025.22},
  URN =		{urn:nbn:de:0030-drops-237709},
  doi =		{10.4230/LIPIcs.ECRTS.2025.22},
  annote =	{Keywords: Real-time network, Time Sensitive Networks, TSN, Time Aware Shaper, TAS, Credit Based Shaper, CBS, Reconfiguration}
}
Document
DOI: 10.4230/LITES-v002-i002-a001
From Dataflow Specification to Multiprocessor Partitioned Time-triggered Real-time Implementation

Authors: Thomas Carle, Dumitru Potop-Butucaru, Yves Sorel, and David Lesens

Published in: LITES, Volume 2, Issue 2 (2015). Leibniz Transactions on Embedded Systems, Volume 2, Issue 2

Abstract
Our objective is to facilitate the development of complex time-triggered systems by automating the allocation and scheduling steps. We show that full automation is possible while taking into account the elements of complexity needed by a complex embedded control system. More precisely, we consider deterministic functional specifications provided (as often in an industrial setting) by means of synchronous data-flow models with multiple modes and multiple relative periods. We first extend this functional model with an original real-time characterization that takes advantage of our time-triggered framework to provide a simpler representation of complex end-to-end flow requirements. We also extend our specifications with additional non-functional properties specifying partitioning, allocation, and preemptability constraints. Then, we provide novel algorithms for the off-line scheduling of these extended specifications onto partitioned time-triggered architectures à la ARINC 653. The main originality of our work is that it takes into account at the same time multiple complexity elements: various types of non-functional properties (real-time, partitioning, allocation, preemptability) and functional specifications with conditional execution and multiple modes. Allocation of time slots/windows to partitions can be fully or partially provided, or synthesized by our tool. Our algorithms allow the automatic allocation and scheduling onto multi-processor (distributed) systems with a global time base, taking into account communication costs. We demonstrate our technique on a model of space flight software system with strong real-time determinism requirements.
Cite as

Thomas Carle, Dumitru Potop-Butucaru, Yves Sorel, and David Lesens. From Dataflow Specification to Multiprocessor Partitioned Time-triggered Real-time Implementation. In LITES, Volume 2, Issue 2 (2015). Leibniz Transactions on Embedded Systems, Volume 2, Issue 2, pp. 01:1-01:30, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@Article{carle_et_al:LITES-v002-i002-a001,
  author =	{Carle, Thomas and Potop-Butucaru, Dumitru and Sorel, Yves and Lesens, David},
  title =	{{From Dataflow Specification to Multiprocessor Partitioned Time-triggered Real-time Implementation}},
  journal =	{Leibniz Transactions on Embedded Systems},
  pages =	{01:1--01:30},
  ISSN =	{2199-2002},
  year =	{2015},
  volume =	{2},
  number =	{2},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LITES-v002-i002-a001},
  URN =		{urn:nbn:de:0030-drops-192540},
  doi =		{10.4230/LITES-v002-i002-a001},
  annote =	{Keywords: Time-triggered, Off-line real-time scheduling, Temporal partitioning}
}
Document
DOI: 10.4230/DagSemProc.07462.1
07462 Abstracts Collection – Assisted Living Systems - Models, Architectures and Engineering Approaches

Authors: Arthur I. Karshmer, Jürgen Nehmer, Hartmut Raffler, and Gerhard Tröster

Published in: Dagstuhl Seminar Proceedings, Volume 7462, Assisted Living Systems - Models, Architectures and Engineering Approaches (2008)

Abstract
From 11.11. to 17.11.2007, the Dagstuhl Seminar 07462 ``Assisted Living Systems - Models, Architectures and Engineering Approaches'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Arthur I. Karshmer, Jürgen Nehmer, Hartmut Raffler, and Gerhard Tröster. 07462 Abstracts Collection – Assisted Living Systems - Models, Architectures and Engineering Approaches. In Assisted Living Systems - Models, Architectures and Engineering Approaches. Dagstuhl Seminar Proceedings, Volume 7462, pp. 1-14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{karshmer_et_al:DagSemProc.07462.1,
  author =	{Karshmer, Arthur I. and Nehmer, J\"{u}rgen and Raffler, Hartmut and Tr\"{o}ster, Gerhard},
  title =	{{07462 Abstracts Collection – Assisted Living Systems - Models, Architectures and Engineering Approaches}},
  booktitle =	{Assisted Living Systems - Models, Architectures and Engineering Approaches},
  pages =	{1--14},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{7462},
  editor =	{Arthur I. Karshmer and J\"{u}rgen Nehmer and Hartmut Raffler and Gerhard Tr\"{o}ster},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07462.1},
  URN =		{urn:nbn:de:0030-drops-14794},
  doi =		{10.4230/DagSemProc.07462.1},
  annote =	{Keywords: Assisted Living Systems, Models, Architectures, Engineering Approaches, Aging, Ambient Technology, Human Interfaces, Sensor Technology, Software Technology}
}
Document
DOI: 10.4230/DagSemProc.07462.2
07462 Summary – Assisted Living Systems - Models, Architectures and Engineering Approaches

Authors: Jürgen Nehmer and Thomas Kleinberger

Published in: Dagstuhl Seminar Proceedings, Volume 7462, Assisted Living Systems - Models, Architectures and Engineering Approaches (2008)

Abstract
The Dagstuhl seminar on Assisted Living Systems (Seminar 07462) took place in November 2007 (14.11.2007 – 17.11.2007). The seminar was attended by more than 40 specialists from 14 nations and 5 continents. The key question was, if assistive technologies based on computer-based Ambience Intelligence Technology can help to substantially extend the period of self-determined life for elderly people. Assisted living systems were discussed from three different viewpoints: the medical/psychologists viewpoint, the outside viewpoint (users and industry), and the inside viewpoint (sensor and software technology). This was reflected in 5 sessions on the phenomena of aging, ambient technology, human interfaces, sensor technology, and software technology.
Cite as

Jürgen Nehmer and Thomas Kleinberger. 07462 Summary – Assisted Living Systems - Models, Architectures and Engineering Approaches. In Assisted Living Systems - Models, Architectures and Engineering Approaches. Dagstuhl Seminar Proceedings, Volume 7462, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{nehmer_et_al:DagSemProc.07462.2,
  author =	{Nehmer, J\"{u}rgen and Kleinberger, Thomas},
  title =	{{07462 Summary – Assisted Living Systems - Models, Architectures and Engineering Approaches}},
  booktitle =	{Assisted Living Systems - Models, Architectures and Engineering Approaches},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{7462},
  editor =	{Arthur I. Karshmer and J\"{u}rgen Nehmer and Hartmut Raffler and Gerhard Tr\"{o}ster},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07462.2},
  URN =		{urn:nbn:de:0030-drops-14746},
  doi =		{10.4230/DagSemProc.07462.2},
  annote =	{Keywords: Assisted Living Systems, Models, Architectures, Engineering Approaches, Aging, Ambient Technology, Human Interfaces, Sensor Technology, Software Techn}
}
Document
DOI: 10.4230/DagSemProc.07462.26
The impact of sensor-enhanced regional health information systems

Authors: Klaus-Hendrik Wolf, Michael Marschollek, Jürgen Howe, and Reinhold Haux

Published in: Dagstuhl Seminar Proceedings, Volume 7462, Assisted Living Systems - Models, Architectures and Engineering Approaches (2008)

Abstract
The expected economic impact of new health enabling technologies is often used as motivation for their development. Another motivation is the predicted positive impact on health care in general. The objective of this paper is to give a simple example for an economic calculation based on statistical data. A positive effect on health care in general can only be gained if the new technologies are sustainably integrated in health care processes.
Cite as

Klaus-Hendrik Wolf, Michael Marschollek, Jürgen Howe, and Reinhold Haux. The impact of sensor-enhanced regional health information systems. In Assisted Living Systems - Models, Architectures and Engineering Approaches. Dagstuhl Seminar Proceedings, Volume 7462, pp. 1-3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)

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@InProceedings{wolf_et_al:DagSemProc.07462.26,
  author =	{Wolf, Klaus-Hendrik and Marschollek, Michael and Howe, J\"{u}rgen and Haux, Reinhold},
  title =	{{The impact of sensor-enhanced regional health information systems}},
  booktitle =	{Assisted Living Systems - Models, Architectures and Engineering Approaches},
  pages =	{1--3},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2008},
  volume =	{7462},
  editor =	{Arthur I. Karshmer and J\"{u}rgen Nehmer and Hartmut Raffler and Gerhard Tr\"{o}ster},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07462.26},
  URN =		{urn:nbn:de:0030-drops-14535},
  doi =		{10.4230/DagSemProc.07462.26},
  annote =	{Keywords: Ageing society, health information systems, sensors}
}
Document
DOI: 10.4230/DagSemRep.18
Operating Systems of the 90s and Beyond (Dagstuhl Seminar 9128)

Authors: Arthur I. Karshmer and Jürgen Nehmer

Published in: Dagstuhl Seminar Reports. Dagstuhl Seminar Reports, Volume 1 (2021)

Abstract
Cite as

Arthur I. Karshmer and Jürgen Nehmer. Operating Systems of the 90s and Beyond (Dagstuhl Seminar 9128). Dagstuhl Seminar Report 18, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (1992)

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@TechReport{karshmer_et_al:DagSemRep.18,
  author =	{Karshmer, Arthur I. and Nehmer, J\"{u}rgen},
  title =	{{Operating Systems of the 90s and Beyond (Dagstuhl Seminar 9128)}},
  pages =	{1--16},
  ISSN =	{1619-0203},
  year =	{1992},
  type = 	{Dagstuhl Seminar Report},
  number =	{18},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemRep.18},
  URN =		{urn:nbn:de:0030-drops-149060},
  doi =		{10.4230/DagSemRep.18},
}
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