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Chemical event tracking using a low-cost wireless chemical sensing network

Beirne, Stephen and Corcoran, Brian and Lau, King-Tong and Diamond, Dermot (2008) Chemical event tracking using a low-cost wireless chemical sensing network. In: IEEE Sensors 2008, 26-29 October 2008, Lecce, Italy.

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Abstract

A recently developed low-cost light emitting diode (LED) chemical sensing technique is integrated with a Mica2Dot wireless communications platform to form a deployable wireless chemical event indicator network. The operation of the colorimetric sensing node has been evaluated to determine its reproducibility and limit of detection for an acidic airborne contaminant. A test-scale network of five similar chemical sensing nodes is deployed in a star communication topology at fixed points within a custom built Environmental Sensing Chamber (ESC). Presented data sets collected from the deployed wireless chemical sensor network (WCSN) show that during an acidic event scenario it is possible to track the plume speed and direction, and estimate the concentration of chemical plume by examining the collective sensor data relative to individual sensor node location within the monitored environment.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Refereed:Yes
Uncontrolled Keywords:Wireless Network; LED; Chemical Sensor; Plume Tracking;
Subjects:Physical Sciences > Chemical detectors
Physical Sciences > Environmental chemistry
Engineering > Environmental engineering
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Mechanical and Manufacturing Engineering
Research Initiatives and Centres > CLARITY: The Centre for Sensor Web Technologies
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Official URL:http://dx.doi.org/10.1109/ICSENS.2008.4716760
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:Science Foundation Ireland, SFI 03/IN3/1361, SFI 07/CE/I1147, PROETEX FP6-2004-IST-4-026987
ID Code:2482
Deposited On:16 Mar 2009 11:12 by Stephen Beirne. Last Modified 26 Apr 2010 12:11

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