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Underwater Sensor Networks (USN) constitute a key technology in the study of oceanic resources. For scientists and researchers it is often difficult and costly to extract information from submarine regions. This is true especially for video (or photography) which usually involves expensive exploration expeditions in which divers or robots are submerged with cameras. Video transmissions in USNs would...
Nowadays, marine scientists have a growing interest to know what happens in the ocean water column. One potential technology is to use underwater acoustic sensor networks that providing continuous sea environmental data. Although a number of MAC techniques can be used in these networks, Spatial-TDMA is one of the most efficient in terms of energy, which is a critical parameter in underwater networks...
Conveyors are cheaper, simpler and faster than automated guided vehicles (AGVs), but the latter have become an affordable option with pluses like flexibility and adaptability. In this work, we have explored how AGVs can replace a conveyor system in an automated laboratory for clinical analyses. Often, these facilities feature a conveyor system to transport samples from one machine to another at the...
A safety valve that prevents liquid from flowing through a fluidic circuit when its pressure is larger than a certain threshold is presented in this paper. The valve has been designed to be integrable in PCB fluidic systems, and its parameters can be modified easily to adapt the threshold pressure. Fabrication process uses PCB as the substrate, and the copper present as a sacrificial layer. Structural...
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