Sustainable unattended sensors for security and environmental monitoring

Edward M. Carapezza; Trent M. Molter

doi:10.1117/12.802619

20 October 2008 Sustainable unattended sensors for security and environmental monitoring

Edward M. Carapezza, Trent M. Molter

Proceedings Volume 7112, Unmanned/Unattended Sensors and Sensor Networks V; 71120O (2008) https://doi.org/10.1117/12.802619
Event: SPIE Security + Defence, 2008, Cardiff, Wales, United Kingdom

Abstract

This paper describes two ocean energy harvesting approaches and technologies for providing sustainable power for distributed unattended sensor and unmanned underwater vehicle networks in open ocean and in coastal and riverine areas. Technologies and systems described include energy harvesting using bottom mounted microbial fuel cells and energy harvesting from naturally occurring methane and methane hydrate deposits. The potential continuous power that could be extracted using these methods ranges from milliwatts for very small microbial fuel cells to tens of kilowatts for methane hydrate processing systems. Exploiting the appropriate naturally occurring ocean or coastal energy source will enable the placement and use of large networks of unattended sensors, both fixed in position and on rechargeable unmanned undersea vehicles. The continuous operation of such systems will have a profound impact on our knowledge of marine biological, physical and chemical processes and systems and will also facilitate improved homeland security and port surveillance.

Citation Download Citation

Edward M. Carapezza and Trent M. Molter "Sustainable unattended sensors for security and environmental monitoring", Proc. SPIE 7112, Unmanned/Unattended Sensors and Sensor Networks V, 71120O (20 October 2008); https://doi.org/10.1117/12.802619

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