DALMA – location aware alarm system for people with disabilities

Authors:
Roberto Casas;Álvaro Marco;Jorge L. Falcó;Héctor Gracia;José I. Artigas
Affiliations:
TecnoDiscap Group, University of Zaragoza, Zaragoza, Spain;TecnoDiscap Group, University of Zaragoza, Zaragoza, Spain;TecnoDiscap Group, University of Zaragoza, Zaragoza, Spain;TecnoDiscap Group, University of Zaragoza, Zaragoza, Spain;TecnoDiscap Group, University of Zaragoza, Zaragoza, Spain
Venue:
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
Year:
2006

Citing 4
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Abstract

This paper presents a location aware alarm system developed to give each person greater and safer mobility by automatically detecting risk situations. Location awareness has been possible thanks to an indoors positioning system (IPS) based on Bluetooth and ultrasounds, developed by the authors. The IPS is able to give accuracies of several centimetres, using a reduced infrastructure (6 fixed beacons every 100 m2). The alarm system has been implemented in several stances of a special education school. Preliminary evaluation results show its reliability and usability