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Wireless Remote Monitoring of Toxic Gases in Shipbuilding
AtlantTIC, Universidade de Vigo, EI Telecomunicación, Rúa Maxwell S/N, Vigo 36310, Spain
* Author to whom correspondence should be addressed.
Received: 25 December 2013; in revised form: 28 January 2014 / Accepted: 8 February 2014 / Published: 14 February 2014
Abstract: Large-scale wireless sensor networks have not achieved market impact, so far. Nevertheless, this technology may be applied successfully to small-scale niche markets. Shipyards are hazardous working environments with many potential risks to worker safety. Toxic gases generated in soldering processes in enclosed spaces (e.g., cargo holds) are one such risk. The dynamic environment of a ship under construction makes it very difficult to plan gas detection fixed infrastructures connected to external monitoring stations via wired links. While portable devices with gas level indicators exist, they require workers to monitor measurements, often in situations where they are focused on other tasks for relatively long periods. In this work, we present a wireless multihop remote gas monitoring system for shipyard environments that has been tested in a real ship under construction. Using this system, we validate IEEE 802.15.4/Zigbee wireless networks as a suitable technology to connect gas detectors to control stations outside the ships. These networks have the added benefit that they reconfigure themselves dynamically in case of network failure or redeployment, for example when a relay is moved to a new location. Performance measurements include round trip time (which determines the alert response time for safety teams) and link quality indicator and packet error rate (which determine communication robustness).
Keywords: WSN; IEEE 802.15.4; Zigbee; wireless communications in confined spaces; shipbuilding
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MDPI and ACS Style
Pérez-Garrido, C.; González-Castaño, F.J.; Chaves-Díeguez, D.; Rodríguez-Hernández, P.S. Wireless Remote Monitoring of Toxic Gases in Shipbuilding. Sensors 2014, 14, 2981-3000.
Pérez-Garrido C, González-Castaño FJ, Chaves-Díeguez D, Rodríguez-Hernández PS. Wireless Remote Monitoring of Toxic Gases in Shipbuilding. Sensors. 2014; 14(2):2981-3000.
Pérez-Garrido, Carlos; González-Castaño, Francisco J.; Chaves-Díeguez, David; Rodríguez-Hernández, Pedro S. 2014. "Wireless Remote Monitoring of Toxic Gases in Shipbuilding." Sensors 14, no. 2: 2981-3000.