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Evaluation of a low cost wireless chemical sensor network for environmental monitoring

Hayes, Jer and Beirne, Stephen and Lau, King-Tong and Diamond, Dermot (2008) Evaluation of a low cost wireless chemical sensor network for environmental monitoring. In: IEEE Sensors 2008, 26-29 October 2008, Lecce, Italy.

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Abstract

We present work on the development and testing of a low-cost wireless chemical sensor network (WCSN) for monitoring irritant/toxic gases in the environment. The WCSN used in this work takes advantage of recent advances in low power wireless communication platforms and uses colorimetric sensors to detect the presence of certain target gases. This sensor network adopts a star configuration and performs one way RF communications from individual sensor nodes to the base-station. Each node in the network is composed of a multiple sensor platform that measures light intensity, temperature and motion. The light sensor was used as the chemical sensing platform in such a way that the node is housed in a specially constructed sealed container that has a colorimetric chemical sensing film coated PMMA window aperture directly above the light sensor. The light intensity reaching the light sensor is modulated by changes in the colour of the sensing film and such changes indicate the presence of chemical plumes.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Refereed:No
Subjects:Computer Science > Computer networks
Physical Sciences > Environmental chemistry
Physical Sciences > Detectors
Engineering > Environmental engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
Publisher:Institute of Electrical and Electronics Engineers
Official URL:http://www.ieee-sensors2008.org
Copyright Information:©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Funders:Marine Institute, Marine Institute AT/04/01/06, Science Foundation Ireland, SFI 03/IN.3/1361, SFI 07/RFP/MASF81Z
ID Code:699
Deposited On:03 Nov 2008 15:31 by Jer Hayes. Last Modified 26 Apr 2010 12:32

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