Publikationen

2009

• Autonomous Optimization of UWB Link Access

  Pérez-Guirao, M. D., Lübben, R., & Kaiser, T. (2009). Autonomous Optimization of UWB Link Access. Frequenz, 63, 196-199. http://doi.org/10.1515/FREQ.2009.63.9-10.196 (Original work published oct)

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    • Lübben, Ralf

  • Fachbereich

    • Fachbereich 4: Wirtschaft

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  • 2009
  • Journal Article
  • • M. Pérez-Guirao
    • Ralf Lübben
    • T. Kaiser

• Development of a wind turbine LiDAR simulator

  Schlipf, D., Trujillo, J. J., Basterra, V., & Kühn, M. (2009). Development of a wind turbine LiDAR simulator. In European Wind Energy Conference. Marseille, France. http://doi.org/10.18419/opus-3914 (Original work published mar)

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    • Schlipf, David

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  • 2009
  • Conference Paper
  • • David Schlipf
    • Juan Trujillo
    • Valeria Basterra
    • Martin Kühn

• 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 jul)

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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 12/2009)

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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, Rammig, F. J., Schäfer, W., & Trächtler, A. (Hrsg.), Entwurf mechatronischer Systeme (Bd. 250). Paderborn: HNI-Verlagsschriftenreihe. (Original work published 04/2009)

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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

• 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

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

• Variability of the algae-associated bacterial communities among coexisting Fucus vesiculosus (Phaephyceae) and Delesseria sanguinea (Rhodophyta) in the Baltic Sea

  Goecke, F. R., Wiese, J., Labes, A., & Imhoff, J. F. (2009). Variability of the algae-associated bacterial communities among coexisting Fucus vesiculosus (Phaephyceae) and Delesseria sanguinea (Rhodophyta) in the Baltic Sea. VAAM Jahrestagung. Abgerufen von http://oceanrep.geomar.de/2324/

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  • 2009
  • Unpublished
  • • Franz Goecke
    • Jutta Wiese
    • Antje Labes
    • Johannes Imhoff
  • • Poster

• MILP-based campaign scheduling in a specialty chemicals plant: a case study

  Brandenburg, M., & Tölle, F. -J. (2009). MILP-based campaign scheduling in a specialty chemicals plant: a case study. In Supply Chain Planning. Berlin, Heidelberg: Springer. http://doi.org/10.1007/978-3-540-93775-3_12

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  Supply chain management in chemical process industry focuses onproduction planning and scheduling to reduce production cost and inventories andsimultaneously increase the utilization of production capacities and the service level.These objectives and the specific characteristics of chemical production processesresult in complex planning problems. To handle this complexity, advanced planningsystems (APS) are implemented and often enhanced by tailor-made optimization algo-rithms. In this article, we focus on a real-world problem of production planning arisingfrom a specialty chemicals plant. Formulations for finished products comprise severalproduction and refinement processes which result in all types of material flows. Mostprocesses cannot be operated on only one multi-purpose facility, but on a choice ofdifferent facilities. Due to sequence dependencies, several batches of identical pro-cesses are grouped together to form production campaigns. We describe a methodfor multicriteria optimization of short- and mid-term production campaign schedulingwhich is based on a time-continuous MILP formulation. In a preparatory step, deter-ministic algorithms calculate the structures of the formulations and solve the bills ofmaterial for each primary demand. The facility selection for each production campaignis done in a first MILP step. Optimized campaign scheduling is performed in a secondstep, which again is based on MILP. We show how this method can be successfullyadapted to compute optimized schedules even for problem instances of real-worldsize, and we furthermore outline implementation issues including integration with anAPS.

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    • Brandenburg, Marcus

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  • 2009
  • Book Chapter
  • • Marcus Brandenburg
    • Franz-Josef Tölle
  • • Supply chain management
    • Campaign planning and scheduling
    • Chemical process industry
    • MILP
    • Advanced planning systems

• Biological role of secondary metabolites from marine microorganisms

  Baumann, H. I., Wiese, J., Gärtner, A., Goecke, F. R., Heindl, H., Kajahn, I., u. a. (2009). Biological role of secondary metabolites from marine microorganisms. VAAM-Symposium "Symbiotische Interaktionen". Abgerufen von http://oceanrep.geomar.de/3859/

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  • 2009
  • Unpublished
  • • Heike Baumann
    • Jutta Wiese
    • Andrea Gärtner
    • Franz Goecke
    • Herwig Heindl
    • Inga Kajahn
    • Katrin Kleinschmidt
    • Antje Labes
    • Kerstin Nagel
    • Sven Neulinger
    • Birgit Ohlendorf
    • Imke Schneemann
    • Dirk Schulz
    • Tim Staufenberger
    • Vera Thiel
    • Heidi Zinecker
    • Johannes Imhoff

• Chitin modifying enzymes

  Staufenberger, T., Labes, A., & Imhoff, J. F. (2009). Chitin modifying enzymes. Seminar aquatische Mikrobiologie am Leibniz-Institut für Gewässerökologie und Binnenfischerei. Abgerufen von http://oceanrep.geomar.de/6680/

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