CINECA IRIS Institutional Research Information System

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Prodotti recenti

Absence of Lavrentiev gap for non-autonomous functionals with (p,q)-growth

We consider non-autonomous functionals of the form F(u,ω) = int_ω f(x,Du(x))dx,where u : ω →ℝ^N , ω subset ℝ^n . We assume that f(x, z) grows at least as |z|^p and at most as |z|^q.Moreover, f(x, z) is Holder continuous with respect to x and convex with respect&...

Remote Monitoring of Joints Status on In-Service High-Voltage Overhead Lines

This work presents the feasibility study of an on-line monitoring technique aimed to discover unwanted variations of longitudinal impedance along the line (also named “impedance discontinuities”) and, possibly, incipient faults typically occurring on high voltage power transmission lines, ...

An intelligent wire fault diagnosis approach using time domain reflectometry and pattern recognition network

The aim of this paper is to develop a new approach for wiring networks diagnosis. This approach is based on time domain reflectometry (TDR) and pattern recognition network all combined with a simple localisation and characterisation algorithm. The developed approach has the advantage&#x...

Most Valuable Player Algorithm for Circular Antenna Arrays Optimization to Maximum Sidelobe Levels Reduction

Optimally designed arrays are used to obtain high gain and directivity. Based on the desired application, different radiation patterns can be generated. These patterns have generally a main beam and some sidelobes. These last ones are undesirable because they can cause electromagnetic i...

Decoupling Capacitors Placement for a Multichip PDN by a Nature-Inspired Algorithm

This contribution deals with the optimal placement of the decoupling capacitances on the gridded power delivery network of a multichip assembly with interposer. The optimization is performed by means of a nature-inspired algorithm of the genetic class. Different placement strategies are cons...