Towards wearable autonomous microsystems

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Abstract

This paper presents our work towards a wearable autonomous microsystem for context recognition. The design process needs to take into account the properties of a wearable environment in terms of sensor placement for data extraction, energy harvesting, comfort and easy integration into clothes and accessories. We suggest to encapsulate the system in an embroidery or a button. The study of a microsystem consisting of a light sensor, a microphone, an accelerometer, a microprocessor and a RF transceiver shows that it is feasible to integrate such a system in a button-like form of 12 mm diameter and 4 mm thickness. We discuss packaging and assembly aspects of such a system. Additionally, we argue that a solar cell on top of the button - together with a lithium polymer battery as energy storage - is capable to power the system even for a user who works predominantly indoors. © Springer-Verlag 2004.

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Bharatula, N. B., Ossevoort, S., Stäger, M., & Tröster, G. (2004). Towards wearable autonomous microsystems. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3001, 225–237. https://doi.org/10.1007/978-3-540-24646-6_17

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