From Energy Accounting to Energy Management

  • Embedded systems, e.g. nodes within sensor networks, often have tight bound goals for lifetime while running from a not renewable energy source. Mostly batteries are used, which are vulnerable to temperature and non-linear effects. Additionally, variations within the hardware or induced by the software make the prediction of the available and consumed energy a complicated task. To reach certain lifetime goals under these influences, online energy management is necessary. For a fine-grained management on the level of individual sub-tasks, it is necessary to know where in the system the energy is consumed. In this work, we extend our online energy accounting approach to enable online energy management. We present ways to control application and device behavior, and, thus, energy using energy budgets. First experiments yield promising results, reaching their lifetime goals while maintaining a high application quality.

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Metadaten
Author: André Sieber, Reinhardt KarnapkeORCiD, Jörg Nolte
Title of the source (English):13. GI/ITG Fachgespräch Sensornetze, 25. und 26. September 2014 an der Universität Potsdam
Publisher:Universität
Place of publication:Potsdam
Document Type:Conference Proceeding
Language:English
Year of publication:2014
Tag:Energy accounting; Energy management; Wireless sensor networks
First Page:25
Last Page:28
Series ; volume number:Berichte, Institut für Informatik und Computational Science ; TR-2014,1
Faculty/Chair:Fakultät 1 MINT - Mathematik, Informatik, Physik, Elektro- und Informationstechnik / FG Verteilte Systeme und Betriebssysteme
Institution name at the time of publication:Fakultät für Mathematik, Naturwissenschaften und Informatik (eBTU) / LS Verteilte Systeme / Betriebssysteme
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