Michele Tartaglia

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This paper deals with the problem of the estimation of regions of asymptotic stability for continnons, antonomom, nonlinear systems. The first part of the work provides a comprehensive survey of the existing methods and of their applications in engineering fields. In the serond part certain topological considerations are first developed and the “trajectory(More)
This paper presents the operational planning of an integrated trigenerative system.The installation of a CHCP plant depends on the financial investments. This work shows an optimization procedure to foresee a management of the system aimed to increase yield of investment. The optimization procedure seems to work well as foreseen PBP is short if compared(More)
The analytical study of grounding systems is only possible for basic electrodes, i.e., hemispherical and spherical electrodes, rods, and horizontal wires. However, it is normal practice to employ more complex earthing systems, such as grounding grids integrated with rods, in order to obtain lower resistances to ground and improve the electrical safety of(More)
Tubal factor infertility may be reversed using porcine small-intestinal submucosa (SIS). The method uses as a model the New Zealand White rabbit uerine horn. In surgery, SIS grafts were prepared from porcine jejunum; the uterine horn segment was resected and a graft was placed; then the contralateral adnexa was resected. Fecundability was tested with(More)
This paper presents the problem of power penetration of photovoltaic (PV) systems in urban networks. After a qualitative problem description, two different environments for PV systems have been analyzed: rural and urban networks. Concerning the rural network, a single line has been simulated in order to evaluate the relation between the number of PV systems(More)
One of the main purposes of grounding systems is to safely inject fault currents into the soil; such currents flow through any buried conductive objects (e.g., other earth electrodes) eventually present along their path to the source. As a result, even though grounding systems may be metallically isolated, they become coupled due to the flow of the(More)
The worldwide global market requires electrical engineers to have a deep understanding of the bonding and earthing practices adopted in different countries around the world. This knowledge is essential to obtain effective designs and high safety standards and can promote the elimination of technical obstacles that can still create market barriers. The full(More)
The bonding of electrical equipment plays a crucial role in maintaining the same potential between conductive parts likely to be energized and conductive parts liable to introduce a “zero” potential into the premises. Voltage rises between such parts are unsafe, as they may induce harmful currents through the human body, the magnitude of which(More)
The European Commission is supporting many projects intended to improve the use of renewable energy sources and a special attention has been devoted to the case of large-scale urban areas. The Polycity project represents a significant demonstration of this energy policy, which was applied to 3 cities: Barcelona, Stuttgart and Torino. The case of Torino(More)