A first Experimental Investigation of the Practical Efficiency of Battery Scheduling


Miliche, Damien and Graaf, Maurits de and Hoekstra, Gerard and Jongerden, Marijn and Haverkort, Boudewijn (2010) A first Experimental Investigation of the Practical Efficiency of Battery Scheduling. In: Workshop on Ultra-Low Power Sensor Networks (WUPS), 23 Feb 2010, Hannover, Germany (pp. pp. 241-246).

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Abstract:Nowadays, mobile devices are used more and more, and their battery lifetime is a key concern. In this paper, we concentrate on a method called battery scheduling with the aim to optimize the battery lifetime of mobile devices. This technique has already been largely theoretically studied in other papers. It consists, for systems containing multiple batteries, in switching the load from one battery to the other. Then, while following a given scheduling sequence, advantage can be taken from the recovery and rate capacity effects. However, little studies with experimental data of battery scheduling have been found. In this paper we describe a simple setup for measuring the possible gain of battery scheduling, and give some exploratory results for two types of real batteries: a smart Li-Ion battery used in the Thales personal communication system and a more commonly used NiCd battery. The results, so far, show that system lifetime extension is not systematic, and generally can only reach less then 10%.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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