Carlo Petrarca
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View article: On the effectiveness of electrical characterization of mature Staphylococcal Biofilm
On the effectiveness of electrical characterization of mature Staphylococcal Biofilm Open
In this paper, the authors describe an experimental study carried out on biological samples consisting of a 96-h mature Methicillin-Resistant-Staphylococcus-Aureus biofilm. The initial objective was to electrically characterize the biofilm…
View article: A Fast Reconfiguration Technique for Boost-Based DMPPT PV Systems Based on Deterministic Clustering Analysis
A Fast Reconfiguration Technique for Boost-Based DMPPT PV Systems Based on Deterministic Clustering Analysis Open
Mismatching operating conditions affect the energetic performance of PhotoVoltaic (PV) systems because they decrease their efficiency and reliability. The two different approaches used to overcome this problem are Distributed Maximum Power…
View article: Computation of Electric and Magnetic Fields Generated by Cloud-to-Cloud Lightning Channels
Computation of Electric and Magnetic Fields Generated by Cloud-to-Cloud Lightning Channels Open
The paper presents analytical formulas for computation in the time domain of electromagnetic (EM) fields generated by tortuous cloud-to-cloud (CC) lightning channels over a perfectly conducting ground. For the first time, the study was not…
View article: A study on the effects of electromagnetic coupling mechanisms in the event of an indirect lightning strike near photovoltaic arrays
A study on the effects of electromagnetic coupling mechanisms in the event of an indirect lightning strike near photovoltaic arrays Open
Indirect lightning strikes hitting near photovoltaic installations are much more frequent than direct hits, and can generate overvoltage in their electric circuitry. The authors developed a method to estimate the induced overvoltage on sin…
View article: Detecting and Monitoring Periprosthetic Joint Infection by Using Electrical Bioimpedance Spectroscopy: A Preliminary Case Study
Detecting and Monitoring Periprosthetic Joint Infection by Using Electrical Bioimpedance Spectroscopy: A Preliminary Case Study Open
A method to detect the presence of infection after Total Joint Arthroplasty is presented. The method is based on Electrical Bioimpedance Spectroscopy and guarantees low latency, non-invasiveness, and cheapness with respect to the state of …
View article: A simple scheme for the inversion of a Preisach like hysteresis operator in saturation conditions
A simple scheme for the inversion of a Preisach like hysteresis operator in saturation conditions Open
A class of operators based on a Prandtl-Ishilinskii operator with inverse in a closed form is presented. Conversely to those considered in the past, they describe the B − H constitutive equation and not the usual J − H link. This allows it…
View article: A Customized Knee Antibiotic-Loaded PMMA Spacer: A Preliminary Design Analysis
A Customized Knee Antibiotic-Loaded PMMA Spacer: A Preliminary Design Analysis Open
A preliminary design of customized antibiotic-loaded poly-methyl-methacrylate (ALPMMA) spacer characterized by an appropriate footprint according to the specific patient’s anatomy and a reliable mechanical response to severe functional loa…
View article: On the Necessity of a Customized Knee Spacer in Peri-Prosthetic Joint Infection Treatment: 3D Numerical Simulation Results
On the Necessity of a Customized Knee Spacer in Peri-Prosthetic Joint Infection Treatment: 3D Numerical Simulation Results Open
Peri-prosthetic joint infections (PJIs) dramatically affect human health, as they are associated with high morbidity and mortality rates. Two-stage revision arthroplasty is currently the gold standard treatment for PJI and consists of infe…
View article: Buck-based DMPPT emulator: a helpful experimental demonstration unit
Buck-based DMPPT emulator: a helpful experimental demonstration unit Open
Distributed control strategyrepresents the most promising solution to enhance the lackluster energetic performance of mismatched PhotoVoltaic (PV) systems. Moreover, many factors that contribute to such poor performance are still to be exp…
View article: Modeling of PV Module and DC/DC Converter Assembly for the Analysis of Induced Transient Response Due to Nearby Lightning Strike
Modeling of PV Module and DC/DC Converter Assembly for the Analysis of Induced Transient Response Due to Nearby Lightning Strike Open
Photovoltaic (PV) systems are subject to nearby lightning strikes that can contribute to extremely high induced overvoltage transients. Recently, the authors introduced a 3D semi-analytical method to study the electromagnetic transients ca…
View article: Dynamic Boost Based DMPPT Emulator
Dynamic Boost Based DMPPT Emulator Open
The Distributed Maximum Power Point Tracking (DMPPT) approach is a promising solution to improve the energetic performance of mismatched PhotoVoltaic (PV) systems. However, there are still several factors that can reduce DMPPT energy effic…
View article: The Impact of Reconfiguration on the Energy Performance of the Distributed Maximum Power Point Tracking Approach in PV Plants
The Impact of Reconfiguration on the Energy Performance of the Distributed Maximum Power Point Tracking Approach in PV Plants Open
The following two approaches can address the drawbacks associated with mismatching phenomena in photovoltaic (PV) plants: distributed maximum power point tracking (DMPPT) architecture and reconfigurable PV array architecture. Until now, th…
View article: Use of a spoof plasmon to optimize the coupling of infrared radiation to Josephson-junction fluxon oscillations
Use of a spoof plasmon to optimize the coupling of infrared radiation to Josephson-junction fluxon oscillations Open
We show that Infrared radiation impinging onto a 1-d array of grooves drilled\nin the superconductor electrode of a long overlap junction can improve matching\nbetween fluxon oscillations at THz frequencies and a spoof plasmon of\ncomparab…
View article: Assessment of induced voltages in common and differential‐mode for a PV module due to nearby lightning strikes
Assessment of induced voltages in common and differential‐mode for a PV module due to nearby lightning strikes Open
Nearby lightning strikes are prone to induce overvoltage transients in photovoltaic (PV) modules and in their power conditioning circuitry, which can permanently damage the PV system. Therefore, it becomes important to establish a method f…