continuous remote monitoring in hazardous sites using sensor technologies推荐.pdf

Hindawi Publishing Corporation International Journal of Distributed Sensor Networks Volume 2012, Article ID 317020, 13 pages doi:10.1155/2012/317020 Research Article Continuous Remote Monitoring in Hazardous Sites Using Sensor Technologies Gianfranco Manes,1 Giovanni Collodi,1 Rosanna Fusco,2 Leonardo Gelpi,2 and Antonio Manes3 1 University of Florence and The MIDRA Consortium, 50139 Florence, Italy 2 Health, Safety, Environment and Quality Department, Eni S.p.A., 00144 Rome, Italy 3 Netsens s.r.l, Sesto Fiorentino, 50019 Florence, Italy Correspondence should be addressed to Gianfranco Manes, gianfranco.manes@unifi.it Received 12 March 2012; Revised 14 May 2012; Accepted 18 May 2012 Academic Editor: Chih-Yung Chang Copyright © 2012 Gianfranco Manes et al. 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. The deployment of a distributed point source monitoring system based on wireless sensor networks in an industrial site where dangerous substances are produced, used, and stored is described. Seven essential features, fundamental prerequisites for our estimating emissions method, were identified. The system, consisting of a wireless sensor network (WSN) using photoionisation detectors (PIDs), continuously monitors the volatile organic compound (VOC) concentration at a petrochemical plant on an unprecedented time/space scale. Internet connectivity is provided via TCP/IP over GPRS gateways in real time at a one-minute sampling rate, thus providing plant management and, if necessary, environmental authorities with an unprecedented tool for immediate warning in case critical events happen. T