Publikationen

2009

• Fast Rerouting for IP Multicast in Managed IPTV Networks

  Lübben, R., Li, G., Wang, D., Doverspike, R., & Fu, X. (2009). Fast Rerouting for IP Multicast in Managed IPTV Networks. In IEEE IWQoS. http://doi.org/10.1109/IWQoS.2009.5201406 (Original work published 2025)

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    • Lübben, Ralf

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2009
  • Conference Paper
  • • Ralf Lübben
    • G. Li
    • D. Wang
    • R. Doverspike
    • X. Fu

• Control of the Pareto Optimality of Systems with Unknown Disturbances

  Geisler, J., & Trächtler, A. (2009). Control of the Pareto Optimality of Systems with Unknown Disturbances. In Proceedings of the 7th International Conference on Control and Automation (ICCA09). Christchurch, New Zealand. http://doi.org/10.1109/ICCA.2009.5410424 (Original work published Dezember 2009)

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  In this paper we treat the classical linear-quadratic regulator (LQR) design as an online multi-objective optimization problem where the compromise between the multiple objective functions is not resolved until run-time. For this purpose the unknown Pareto front is locally approximated by the gradient of the objective functions. Then, using a superordinated control loop, the Pareto optimality is adjusted to an arbitrary point on the Pareto front. This makes it possible to react to unknown or slowly varying stochastic disturbances or changing optimality requirements. Also, the control engineer is no longer concerned with determining suitable weighting matrices as in the classical LQR design. Instead, a compromise between the contradicting objectives is sought by means of physically or economically interpretable rules. It is shown that the gradients of the objective functions that depend on the currently effective disturbances can be computed from the system state through fictitious outputs. This allows a very efficient implementation of the proposed regulator scheme without knowledge of the disturbances.

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    • Geisler, Jens

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  • 2009
  • Conference Paper
  • • Jens Geisler
    • Ansgar Trächtler

• Verlässlichkeit im aktiven selbstoptimierenden Spurführungsmodul eines schienengebundenen Fahrzeugs

  Sondermann-Wölke, C., Geisler, J., Hirsch, M., & Hemsel, T. (2009). Verlässlichkeit im aktiven selbstoptimierenden Spurführungsmodul eines schienengebundenen Fahrzeugs. In J. Gausemeier, F. J. Rammig, W. Schäfer, & A. Trächtler (Hrsg.), Entwurf mechatronischer Systeme (Bd. 250). Paderborn: HNI-Verlagsschriftenreihe. (Original work published April 2009)

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    • Geisler, Jens

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  • 2009
  • Book Chapter
  • • Christoph Sondermann-Wölke
    • Jens Geisler
    • M. Hirsch
    • T. Hemsel
    • J. Gausemeier
    • F. Rammig
    • W. Schäfer
    • A. Trächtler

• Novel thermoacidophilic chitinase from the crenarchaeon Sulfolobus tokodaii

  Staufenberger, T., Labes, A., & Imhoff, J. F. (2009). Novel thermoacidophilic chitinase from the crenarchaeon Sulfolobus tokodaii. 9th International Conference of the European Chitin Society. Abgerufen von http://oceanrep.geomar.de/975/

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  • 2009
  • Unpublished
  • • Tim Staufenberger
    • Antje Labes
    • Johannes Imhoff

• Richtlinie für Weiterbetrieb von Windenergieanlagen / Guideline for the Continued Operation of Wind Turbines

  Faber, P. D.-I. T. (2009). Richtlinie für Weiterbetrieb von Windenergieanlagen / Guideline for the Continued Operation of Wind Turbines.

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    • Faber, Torsten

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  • 2009
  • Report
  • • Prof. Dr.-Ing. Torsten Faber

• Extended metallization reliability testing: Combining standard wafer level with product tests to increase test sensitivity

  Born, V., Beck, M., Bosholm, O., Dalleau, D., Glenz, S., Haverkamp, I., … Vest, A. (2009). Extended metallization reliability testing: Combining standard wafer level with product tests to increase test sensitivity. Microelectronics Reliability, 49. http://doi.org/https://doi.org/10.1016/j.microrel.2008.10.017

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    • Vest, Anja

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  • 2009
  • Journal Article
  • • V. Born
    • M. Beck
    • O. Bosholm
    • D. Dalleau
    • S. Glenz
    • I. Haverkamp
    • G. Kurz
    • F. Lange
    • Anja Vest

• The waterfall model in large-scale development

  Petersen, K., Wohlin, C., & Baca, D. (2009). The waterfall model in large-scale development. In International Conference on Product-Focused Software Process Improvement (S. 386–400).

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    • Petersen, Kai

  • Abteilung/Einrichtung

    • FLAIR - Flensburg Artificial Intelligence Research

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  • 2009
  • Conference Paper
  • • Kai Petersen
    • Claes Wohlin
    • Dejan Baca

• Screening for chitin degrading microorganism in different marine habitats

  Staufenberger, T., Heindl, H., Gärtner, A., Labes, A., & Imhoff, J. F. (2009). Screening for chitin degrading microorganism in different marine habitats. VAAM Jahrestagung. Abgerufen von http://oceanrep.geomar.de/2727/

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  • 2009
  • Unpublished
  • • Tim Staufenberger
    • Herwig Heindl
    • Andrea Gärtner
    • Antje Labes
    • Johannes Imhoff
  • • Poster

• A Systematic Approach to Analyze the Optimization Potential for ICT-Tools Supporting Collaborative Work Processes in Healthcare

  Fuchs, D., & Friesdorf, W. (2009). A Systematic Approach to Analyze the Optimization Potential for ICT-Tools Supporting Collaborative Work Processes in Healthcare. In B. Podtschaske & I. Marsolek (Hrsg.), World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany (S. 381–384). Berlin, Heidelberg: Springer . http://doi.org/10.1007/978-3-642-03904-1_106

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  Over the past, the continuous increase of medical knowledge in combination with a high number of medical and technological innovations has lead to an enormous quality improvement in healthcare. But this development also requires a professional staff specialization resulting in an increased fragmentation and division of the entire patient treatment processes to individual specialists and/or departments. Therefore the improvement potential associated with the introduction of modern Information and Communication Technology (ICT) supporting the cooperation of all involved medical actors seems to be obvious. However, in reality the majority of such ICT-Tools does not meet those high expectations. A major reason for this is often an insufficient functionality directly resulting from an inadequate user integration into the development process. In this context a systematic analysis approach has been developed for the identification of optimization potential for ICT-Tools supporting collaborative work processes in healthcare based on a participatory analysis of the underlying medical treatment processes and a cooperative functionality definition. In a first investigative study this system ergonomic analysis approach was tested for the identification of the existing optimization potential for a web-based patient record to be introduced into the pre-, in- and post-hospital treatment processes of an emergency abdominal surgery. Together with the involved medical users a total number of 11 functionality requirements have been identified being essential for a systematic improvement of the underlying communication and coordination processes, whereas an improvement of the shared knowledge was rather less important for the later users. However, a broader optimization of web-based patient records in general will only be possible when also the treatment processes of different patient groups are taken into account.

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    • Podtschaske, Beatrice

  • Profilbereich

    • Gesundheit und Life Sciences

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2009
  • Conference Paper
  • • Daniela Fuchs
    • Beatrice Podtschaske
    • Ingo Marsolek
    • Wolfgang Friesdorf

• GL-Technical Note for Cold Climate – An Overview

  Faber, P. D.-I. T. (2009). GL-Technical Note for Cold Climate – An Overview.

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    • Faber, Torsten

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  • 2009
  • Report
  • • Prof. Dr.-Ing. Torsten Faber