Dr. Alessandro Soldati
University of Parma
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Academic Career Length
13Years (2014-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications15 April 2021 in IEEE/ASME Transactions on Mechatronics
Journal Article
MDMatteo Dalboni
Matteo Dalboni
Davide Tavernini
Umberto MontanaroAlessandro Soldati
Carlo Concari
Aldo Sorniotti +1
This study applies nonlinear model predictive control (NMPC) to the torque-vectoring (TV) and front-to-total anti-roll moment distribution control of a four-wheel-drive electric vehicle with in-wheel-motors, a brake-by-wire system, and active suspension actuators. The NMPC cost function formulation is based on energy efficiency criteria, and strives to minimize the power losses caused by the longitudinal and lateral tire slips, friction brakes, and electric powertrains, while enhancing the vehicle cornering response in steady-state and transient conditions. The controller is assessed through simulations using an experimentally validated high-fidelity vehicle model, along ramp steer and multiple step steer maneuvers, including and excluding the direct yaw moment and active anti-roll moment distribution actuations. The results show: 1) the substantial enhancement of energy saving and vehicle stabilization performance brought by the integration of the active suspension contribution and TV; 2) the significance of the power loss terms of the NMPC formulation on the results; and 3) the effectiveness of the NMPC with respect to the benchmarking feedback and rule based controllers.
Journal Article
Matteo ManganelliAlessandro SoldatiLMLuigi Martirano
Luigi Martirano
Seeram RamakrishnaInformation and communication technologies (ICT) are increasingly permeating our daily life and we ever more commit our data to the cloud. Events like the COVID-19 pandemic put an exceptional burden upon ICT. This involves increasing implementation and use of data centers, which increased energy use and environmental impact. The scope of this work is to summarize the present situation on data centers as to environmental impact and opportunities for improvement. First, we introduce the topic, presenting estimated energy use and emissions. Then, we review proposed strategies for energy efficiency and conservation in data centers. Energy uses pertain to power distribution, ICT, and non-ICT equipment (e.g., cooling). Existing and prospected strategies and initiatives in these sectors are identified. Among key elements are innovative cooling techniques, natural resources, automation, low-power electronics, and equipment with extended thermal limits. Research perspectives are identified and estimates of improvement opportunities are mentioned. Finally, we present an overview on existing metrics, regulatory framework, and bodies concerned.
13 July 2018 in IEEE Transactions on Dielectrics and Electrical Insulation
Journal Article
DMDoris Ragna Meyer
Doris Ragna Meyer
ACAndrea Cavallini
Andrea CavalliniLLLuca Lusuardi
Luca LusuardiDBDavide Barater
Davide BaraterGPGiorgio Pietrini
Giorgio PietriniAlessandro SoldatiThe reliability of low-voltage inverter-fed motors is highly dependent on the inception of partial discharges. The effect of impulsive waveform parameters must be investigated to predict the repetitive partial discharge inception voltage (RPDIV) and define test procedures that can indicate properly the behavior in service of the insulation system. This paper focuses on the RPDIV of magnet wires using twisted pairs subjected to repetitive unipolar impulsive voltage waveforms. The effects of supply frequency (5 to 200 kHz) at pressure levels that are typical for aircraft (20 to 100 kPa) is examined. Results show that RPDIV steadily decreases with frequency up to 100 kHz where it reaches a plateau. This behavior is explained as an effect of the oscillations that inevitably exist in the applied voltage waveform. Therefore, a conservative estimate of the RPDIV could be achieved by raising the supply frequency well above the operation frequency. In the experiments, the RPDIV is decreasing linearly with pressure. If this behavior could be confirmed for other insulation systems, the design of systems working at pressures typical of aircraft would result relatively easy.
1 December 2016 in IEEE Transactions on Industry Applications
Journal Article
DBDavide Barater
Davide BaraterFIFabio Immovilli
Fabio Immovilli
Alessandro SoldatiGBGiampaolo Buticchi
Giampaolo Buticchi
GFGiovanni Franceschini
Giovanni Franceschini
Michael Galea +1
The concept behind the more electric aircraft is the progressive electrification of on-board actuators and services. It is a way to reduce or eliminate the dependence on hydraulic, mechanical, and bleed air/pneumatic systems, and pursue efficiency, reliability, and maintainability. This paper presents a specialized test rig whose main objective is to assess insulation lifespan modeling under various stress conditions, especially investigating the interaction between ageing factors. The test setup is able to reproduce a multitude of environmental and operational conditions at which electric drives and motors, used in aerospace applications, are subjected. It is thus possible to tailor the test cycle in order to mimic the working cycle of an electrical motor during real operation in aircraft application. The developed test-rig is aimed at projecting the technology readiness to higher levels of maturity in the context of electrical motors and drives for aerospace applications. Its other objective is to validate and support the development of a comprehensive insulation degradation model.
1 June 2019
Conference Paper
MDMatteo Dalboni
Matteo Dalboni
PSPaolo Santarelli
Paolo SantarelliPPPaolo Patroncini
Paolo PatronciniAlessandro SoldatiCCCarlo Concari
Carlo Concari
DLDavide Lusignani
Davide Lusignani
The present work proposes a case study about the design and benchmarking of an off-road hybrid vehicle. A preexisting ICE-based platform is converted to a parallel hybrid by replacing the original engine with a downsized unit and by adding an electric motor. This investigation strives to demonstrate the benefits of the hybridization through simulations and factual realization of a prototype. Fuel consumption is assessed both in hybrid and full-electric modes. Moreover, realistic working scenarios are exploited to determine the advantages of the additional functionalities provided by this architecture, namely low speed motion, fine hydraulic pump control and prolonged indoor operation.
1 June 2018 in CPSS Transactions on Power Electronics and Applications
Journal Article
UPUniversity of Parma
University of Parma
Alessandro SoldatiGPGiorgio Pietrini
Giorgio Pietrini
MDMatteo Dalboni
Matteo Dalboni
CCCarlo Concari
Carlo Concari
About Me
Dr. Alessandro Soldati (male, born 1989) is a researcher at the University of Parma, where he is active in the fields of power electronics and energy engineering. He earned his B.Sc. and M.Sc., both from the University of Parma, in 2011 and 2013, respectively (both with full marks). In 2014, he worked in the R&D department of Zapi s.p.a., an international company developing and producing drives for industrial trucks. In 2015, he started a Ph.D. course in information technology at University of Parma; he discussed his Ph.D. thesis in 2018: presenting an innovative gate driver (subsequently patented) which can boost the lifetime of power electronics devices. In this activity, he focused on modern wide band-gap devices and advanced control algorithms. This study was supported by his visiting period at Aalborg University, allowing him to obtain the Doctor Europaeus title. In 2017, he cofounded the spin-off company eDriveLAB, active in the field of vehicle electrification and participated by the University of Parma; he is currently CTO of that company.
He presented his own works at various power electronics conferences from 2015 to 2017, achieving also two best-presentation awards. He is a reviewer for many journals and conferences. He is the author of 28 scientific peer-reviewed papers, seven of which are in international journals. He is also the author of one patent, co-author of two granted patents and unique author of two patents pending approval.