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High availability wireless temperature sensors for harsh environments

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4 Author(s)
Sisinni, E. ; Dept. of Inf. Eng., Univ. of Brescia, Brescia, Italy ; Archetti, P. ; Manenti, M. ; Piana, E.

The recent improvements in RF devices transformed wireless sensor networking into a reality. Advantages deriving from the cable removal are well known, especially in industrial applications where large part of the cost is due to wire routing and related maintenance. A lot of studies have been proposed in the past to analyze and anticipate obtainable performance in harsh environments, but only few reports real world experiments. In this work, a wireless system for temperature measurement is proposed. Specifically, a distributed coordinator approach allows implementing a redundant star network topology ensuring high availability and reliability also in harsh environments. The realized system is designed to operate into a vessel subject to very extreme conditions, including an extended temperature and pressure range (from -5 to +140 °C and up to 5 bar) with the presence of humidity (RH 100% condensing). In particular, the RF signal quality has been experimentally verified also in such a critical environment.

Published in:

Sensors Applications Symposium (SAS), 2012 IEEE

Date of Conference:

7-9 Feb. 2012

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