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Sensors 2016, 16(1), 121; doi:10.3390/s16010121

Realtime Gas Emission Monitoring at Hazardous Sites Using a Distributed Point-Source Sensing Infrastructure

1
Department of Information Engineering (DINFO), Università di Firenze, via Santa Marta 3 50139 Firenze, Italy
2
Eni Spa; Piazzale Enrico Mattei, 1 00144 Roma, Italy
3
Netsens Srl, via S.Pertini 93 50019 Sesto Fiorentino (Fi), Italy
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Davide Brunelli
Received: 14 September 2015 / Revised: 14 January 2016 / Accepted: 14 January 2016 / Published: 20 January 2016
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Abstract

This paper describes a distributed point-source monitoring platform for gas level and leakage detection in hazardous environments. The platform, based on a wireless sensor network (WSN) architecture, is organised into sub-networks to be positioned in the plant’s critical areas; each sub-net includes a gateway unit wirelessly connected to the WSN nodes, hence providing an easily deployable, stand-alone infrastructure featuring a high degree of scalability and reconfigurability. Furthermore, the system provides automated calibration routines which can be accomplished by non-specialized maintenance operators without system reliability reduction issues. Internet connectivity is provided via TCP/IP over GPRS (Internet standard protocols over mobile networks) gateways at a one-minute sampling rate. Environmental and process data are forwarded to a remote server and made available to authenticated users through a user interface that provides data rendering in various formats and multi-sensor data fusion. The platform is able to provide real-time plant management with an effective; accurate tool for immediate warning in case of critical events. View Full-Text
Keywords: VOC monitoring; wireless sensor networks; photoionization detectors VOC monitoring; wireless sensor networks; photoionization detectors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Manes, G.; Collodi, G.; Gelpi, L.; Fusco, R.; Ricci, G.; Manes, A.; Passafiume, M. Realtime Gas Emission Monitoring at Hazardous Sites Using a Distributed Point-Source Sensing Infrastructure. Sensors 2016, 16, 121.

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