Alessandro Bertacchini
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View article: Hole Virtual Gate Model Explaining Surface-Related Dynamic R<sub>ON</sub> in p-GaN Power HEMTs
Hole Virtual Gate Model Explaining Surface-Related Dynamic R<sub>ON</sub> in p-GaN Power HEMTs Open
Dynamic on-resistance ( R ON ) affects the stability of p-GaN power HEMTs. In Schottky-gate HEMTs, dynamic R ON is associated to either electron trapping at device surface or dynamic effects occurring in the b…
View article: Pre-processing techniques to enhance the classification of lung sounds based on deep learning
Pre-processing techniques to enhance the classification of lung sounds based on deep learning Open
Deep learning has recently proved a huge potential in the classification of lung sounds. Most studies rely on publicly available data sets that are usually well-cleaned and annotated by expert physicians. The result of annotation is subjec…
View article: Combined Effects of Different LED Light Recipes and Slow-Release Fertilizers on Baby Leaf Lettuce Growth for Vertical Farming: Modeling through DoE
Combined Effects of Different LED Light Recipes and Slow-Release Fertilizers on Baby Leaf Lettuce Growth for Vertical Farming: Modeling through DoE Open
The modern agriculture system based on open-field crops requires a lot of energy and resources in terms of soil, water, and chemicals. Vertical farming (VF) systems could be a viable alternative for some types of cultivation that are recei…
View article: Quantitative Calculation of the Most Efficient LED Light Combinations at Specific Growth Stages for Basil Indoor Horticulture: Modeling through Design of Experiments
Quantitative Calculation of the Most Efficient LED Light Combinations at Specific Growth Stages for Basil Indoor Horticulture: Modeling through Design of Experiments Open
Indoor farms are a promising way to obtain vegetables in standard quantity and quality. As opposed to previous studies, this study attempts to calculate optimized LED light conditions for different growth stages (five-days time step) of ba…
View article: Design-Time Tool for Energy Harvesting Solutions
Design-Time Tool for Energy Harvesting Solutions Open
View article: An IoT Toolchain Architecture for Planning, Running and Managing a Complete Condition Monitoring Scenario
An IoT Toolchain Architecture for Planning, Running and Managing a Complete Condition Monitoring Scenario Open
Condition Monitoring (CM) is an extremely critical application of the Internet of Things (IoT) within Industry 4.0 and Smart City scenarios, especially following the recent energy crisis. CM aims to monitor the status of a physical applian…
View article: Suitability of Porous Inorganic Materials from Industrial Residues and Bioproducts for Use in Horticulture: A Multidisciplinary Approach
Suitability of Porous Inorganic Materials from Industrial Residues and Bioproducts for Use in Horticulture: A Multidisciplinary Approach Open
This study follows a circular economy approach through the preliminary implementation of a coated porous inorganic material (PIM), studied as sustainable controlled release fertilizer, and its application for lettuce Lactuca sativa L. cult…
View article: Statistical Optimization of a Hyper Red, Deep Blue, and White LEDs Light Combination for Controlled Basil Horticulture
Statistical Optimization of a Hyper Red, Deep Blue, and White LEDs Light Combination for Controlled Basil Horticulture Open
This study aims to optimize artificial LEDs light conditions, for “Genovese” basil germination and growth in an indoor environment suitable for horticulture. Following a previous study on the synergic effect of LEDs light and a tailored fe…
View article: A simple multiparametric analysis to guide, compare and optimize the design of “lensless” LED illuminators
A simple multiparametric analysis to guide, compare and optimize the design of “lensless” LED illuminators Open
LED lighting is becoming increasingly pervasive in many areas ranging from ambient lighting, up to applications such as microscope illumination, UV-LED curing and, UV disinfection for air, surfaces, and water. Irradiance uniformity is ofte…
View article: Effects of Different LED Light Recipes and NPK Fertilizers on Basil Cultivation for Automated and Integrated Horticulture Methods
Effects of Different LED Light Recipes and NPK Fertilizers on Basil Cultivation for Automated and Integrated Horticulture Methods Open
This study aims to optimize the conditions for “Genovese” basil (Ocimum Basilicum) germination and growth in an indoor environment suitable for horticulture through a synergic effect of light and fertilizers addition. In fact, several stud…
View article: Investigation on VTH and RON Slow/Fast Drifts in SiC MOSFETs
Investigation on VTH and RON Slow/Fast Drifts in SiC MOSFETs Open
RON and VTH drifts in TO-247 SiC packaged MOSFETs are investigated in this paper. The use of a novel on-the-fly measurement setup able to capture their variation over a 100μs to 1000s time range revealed the presence of two separated fast …
View article: Evaluation of VTH and RON Drifts during Switch-Mode Operation in Packaged SiC MOSFETs
Evaluation of VTH and RON Drifts during Switch-Mode Operation in Packaged SiC MOSFETs Open
In this paper, we investigate the evolution of threshold voltage (VTH) and on-resistance (RON) drifts in the silicon carbide (SiC) power metal-oxide-semiconductor field-effect transistors (MOSFETs) during the switch-mode operation. A novel…
View article: Ultra-High Frequency (500 MHz) Capacitance Spectroscopy for Nanobiosensing
Ultra-High Frequency (500 MHz) Capacitance Spectroscopy for Nanobiosensing Open
We report unprecedented ultra high frequency capacitance spectroscopy measurements up to 500 MHz on a nanoelectrode array for biosensing applications, which extends considerably the previous 70 MHz limit. To achieve this goal, a high-frequ…
View article: Effects of the Target on the Performance of an Ultra-Low Power Eddy Current Displacement Sensor for Industrial Applications
Effects of the Target on the Performance of an Ultra-Low Power Eddy Current Displacement Sensor for Industrial Applications Open
The demand for smart, low-power, and low-cost sensors is rapidly increasing with the proliferation of industry automation. In this context, an Ultra-Low Power Eddy Current Displacement Sensor (ULP-ECDS) targeting common industrial applicat…
View article: Ultra-Low Power Displacement Sensor
Ultra-Low Power Displacement Sensor Open
View article: Improved Heat Sink for Thermoelectric Energy Harvesting Systems
Improved Heat Sink for Thermoelectric Energy Harvesting Systems Open
View article: Characterization and Modeling of Low-Cost Contact-Mode Triboelectric Devices for Energy Harvesting
Characterization and Modeling of Low-Cost Contact-Mode Triboelectric Devices for Energy Harvesting Open
In this paper we investigate the effect of the contact force in Contact-Mode TriboElectric Devices (CM-TED). In this kind of devices, the generated output voltage and the electrical energy harvested from mechanical impacts depend on the co…
View article: Design and Simulation of Out-of-Plane Nanomaterial-Based Thermocouples
Design and Simulation of Out-of-Plane Nanomaterial-Based Thermocouples Open
Our contribution indicates a novel solution for the development of the field of low-cost, printed thermocouples for energy harvesting and autonomous thermal sensors. Particularly, our work stems from the observation that the totality of pr…
View article: Force impact effect in contact-mode triboelectric energy harvesters: Characterization and modeling
Force impact effect in contact-mode triboelectric energy harvesters: Characterization and modeling Open
In this paper we investigate the effect of the contact force on the voltage generated by Contact-Mode Triboelectric Energy Harvesting Devices (CM-TEHD). The electrical energy harvested from mechanical shocks increases with the contact forc…
View article: Wireless sensor systems with energy harvesting capabilities for safety enhancement in agricultural vehicles
Wireless sensor systems with energy harvesting capabilities for safety enhancement in agricultural vehicles Open
This paper presents an overview of a multi-sensor wireless system applied to agricultural vehicles. The data provided by the different kinds of ad-hoc developed wireless sensors can be used as starting point for the implementation of an au…
View article: Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna
Reconfigurable RF Energy Harvester with Customized Differential PCB Antenna Open
In this work, a Radio Frequency (RF) Energy Harvester comprised of a differential Radio Frequency-to-Direct Current (RF-DC) converter realized in ST130 nm Complementary Metal-Oxide-Semiconductor (CMOS) technology and a customized broadband…
View article: Ultra low cost triboelectric energy harvesting solutions for embedded sensor systems
Ultra low cost triboelectric energy harvesting solutions for embedded sensor systems Open
In this paper we present a triboelectric generator realized with ultra-low cost materials, assembled through a very simple in-house fabrication facility. The triboelectric generator is designed to harvest the mechanical energy from shocks.…
View article: A novel ball joint wear sensor for low-cost structural health monitoring of off-highway vehicles
A novel ball joint wear sensor for low-cost structural health monitoring of off-highway vehicles Open
\n Mechatronic agricultural machines and equipment are continuously increasing their complexity and cost. In order to ensure their efficiency and reliability and preserve their value, it is important to actively monitor damaging and wear o…