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COST is supported by the EU Framework Programme Horizon 2020
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University of Salerno, Faculty of Engineering

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via ponte don Melillo 1
I-84084 Fisciano (SA)

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Brief presentation of the institution

Since its fundation in 2004 by prof. Vincenzo Tucci,
the laboratory of Electromagnetic characterization of material (LCEM) has focused on the correlation beetween
experimental "measured" data, concerning the electromagnetic (EM) properties of the materials, and experimental
 "simulated" data, obtained by using electrophysic models.
The comparison between the actual behaviour of the materials with direct developped or/and the literature available
 models lead to promote understanding of fundamental physics underlying the EM behaviour of the matter.
The Laboratory is part of the Department of Computer and Electrical Engineering and Applied Mathematics (DIEM)
within the Faculty of Engineering at the University of Salerno, located in Fisciano (SA), in the south part of Italy.
The members – electronic and electrical engineers - are involved both in research and education (undergraduate as well as graduate).

Main Electroporation related topics

The experience of the reaserchers involved in the LCEM group about high voltage systems represents a suitable expertise
in the context of PEF application. First activity in the Electroporation context was just the design and built of
an high-voltage pulse generators with non-conventional technologies and the installations of a PEF treatment system
for food fluids application (non-thermal pasteurization, extraction of substances, etc..).

The competence about mathematical modeling and optimization theory has been meet with previous experience about high
voltage systems leading to EM modelling of biological cells subjected to impulsive electrical fields for applications
in medicine and biotechnology. In particular the EM cell membrane behaviour is reproduced by means of circuital/lattice or
electrophisiological model solved with FDTD or FEM approaches. Both model are implemented both in 2 that in 3 dimensional domain.
As a results it is possible to use global-variables,  like as voltage or current in a circuit, or local quantities,
like as current density or electric potential distribution in a field solution, in order to interpretate the PEF induced
Electroporation phenomenon. The proposed models are solved primary in time domain, leading to consider accurately the
involved non linearity of the matter and the non ideal shape of the applied electric stress.
Moreover also the nsPEF are easly take in to consideration with the use of opportune sampling time.

Main Electroporation related research techniques and equipment

-hardware and software for finite-element modeling (COMSOL Multiphysics 4.2)
-hardware and hand-made software for circuital based lattice recontruction of the cell
-hand-made software for optimization by using genetic algorithms, montecarlo optimization, Design of Experiment approach,
response surface methodology, interval analysis and manage of uncertainty systems.

Research topics, techniques and equipment not related to Electroporation



The experimental activities carried out in the Lab. of  Electromagnetic Characterization of Materials (LCEM) concern
the analysis and the improvement of properties and characteristics of innovative materials and devices employed in
electric and electronic applications.

Recently, the attention has been focused on:
1) analysis of the performances of high thermal class, insulation systems for inverters fed adjustable speed drives (ASD),
including life models under non sinusoidal stresses and monitoring of the aging level by suitable diagnostic methods;
2) analysis of the electrical characteristics and study of the charge transport properties in non linear, non isotropic
materials for electric field grading in high voltage cable accessories;
3) measurement, development and optimization of conductive nanocomposites for aeronautic application (National project DENSE and EU7hP funding project IASS) with particular reference to percolation theory (development of physical model based on structural property of multiphase material and circuital model of the measured EM properties ino rder to understand the conduction mechanism)
4) nanointeconnects based on MWCNT (EU7hP funding project CATHERINE) with particular activity on the uncertainty in the
production process (robust design)
5) Characterization of the aging level of the bearing/lubrication system for inverters fed ASD traction motor assemblies (cooperation with Ansaldo group)
6) Analysis and models of skin and proximity losses under non sinusoidal stresses in magnetic components adopted in high frequency power converters.

Brief information on available facilites

facilities for computation, simulation, and programming,

class room of the faculty;

experimental desk with
DC High Voltage generators with different characteristics (Vmax= 30kV, Imax=10mA)
Square Wave High Voltage generators  up to 6 kV, frequency 10¸20 kHz, slew rates 1, 2 o 3 kV/µs.
Picoammeter able to measure current form ±100aA to ±21mA, resistance from 10mΩ to 210GΩ, electric charge from 10fC to 21µC.
Partial Discharges Systems  with UHB detection system.
Impedance Analyzers (10Hz¸2GHz)
Dielectric Analyzer for solid and liquid samples, frequency from 0.003Hz to 100kHz, temperature from -150 to 500°C, with pressure control.
Digital oscilloscope Tektronix mod. 3540, 4 channels, 500 MHz, 5 GS/s;
Tektronix High Voltage probes mod. P6015A (1000x, up to 40kV, bandwidth 75MHz);

Willingness to accept/host visiting researchers



Project Office

Working groups

Steering Committee

Founding members

DC Rapporteurs

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