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Our hypothesis is that in order to extract relevant information from a sensor network placed to monitor or control urban behavior, the data received has to be first manipulated to determine the most impactful components and then analyzed. At urban construction sites, huge numbers of automatic monitoring sensors are installed in the influence zone of the construction along the city, above ground and...
In recent years data center services have been extended to the entire market mostly due to the decrease of associated costs and the proliferation of cloud computing. This paper describes a model for improving data center efficiency and carbon footprint by using wind generated electricity and a modularized and containerized data center structure. The work proposes an architecture based on a distributed...
Quality and integrity of equipment used in aircraft manufacturing determine safety in the aerospace field. An important part of manufacturing process is to ensure good quality testing platforms, able to give full image information about the tested parts. This article is based on testing aircraft wheeled parts, parts subject to wear and stress. In order to achieve this test, a gear testing mechanical...
This paper present the design of a current sensor based on Faraday Effect using optical fibers devices and a polarizing beam splitter (PBS). Two different schematics are to be taken into account, for high currents and for smaller ones. A single polarized laser signal is sent to the PBS prism and two angular components are separated. From here, these optical signals are processed using some interfaces,...
The today concern in educational software is to allow students maximum flexibility and autonomy in their laboratory work, combined with higher accuracy of measurements. This paper present a client-server system used as a virtual instrument for laboratory, built with LabVIEW stand-alone subVI's, designed for several different laboratories in the Electrical Measurements Department. Such systems are...
The reengineering of power grid networks is a necessary step that allow us to pass to the next generation of Distributed Power Networks. The frequent use of alternative green energies demand for better equipped networks including elements of smart grids, newer sensors, data transmission capabilities and extensive use of optical fiber. All these efforts implies higher costs, flexibility and scalability...
The use of photovoltaic power generation systems is increasing all around the world. However, photovoltaic systems use inverters and other electronics to convert and control DC power from panels to AC power. This may lead to increased power losses, decreased efficiency and power factor, overheating due to higher parasitic currents, and possible damages of the devices designed to work with smoother...
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