Lorenzo Berzi

Lorenzo Berzi
University of Florence | UNIFI · Dipartimento di Ingegneria Industriale

Doctor of Philosophy

About

89
Publications
13,011
Reads
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648
Citations
Citations since 2017
70 Research Items
600 Citations
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2017201820192020202120222023050100150
2017201820192020202120222023050100150
Introduction
Lorenzo Berzi currently works at the Dipartimento di Ingegneria Industriale , University of Florence. Lorenzo does research in Environmental Engineering and Industrial Engineering. Lorenzo is Guest Editor of "Flash, Fast Charging and Energy Transfer Technologies for Sustainable Transportation" https://www.mdpi.com/journal/sustainability/special_issues/flash_charge

Publications

Publications (89)
Preprint
Object of this work is the design and the simulation of a hybrid UAV with VTOL capabilities that has been designed for landing on naval moving platforms. The work is focused on the innovative propulsion layout adopted on the UAV. Authors discuss how adopted low level control strategies can exploit the innovative features of the proposed system assu...
Article
Full-text available
Correctly reproducing the roll effects to obtain a realistic riding experience is still an open issue in motorcycle simulators. This goal becomes more challenging if the motorcycle simulator uses a car dynamic model, such as the simulator of the MOVING. This study has defined a control logic integrated with the pre-existing model to reproduce the e...
Article
Full-text available
Motorcycle simulators are employed for rider training, studying human-machine interaction, and developing assistance systems. However, existing simulators are either too simple and, therefore, unsuitable or significantly complex, with higher hardware costs and familiarisation times. This study aimed to use a tuned single-track car model as the basi...
Article
The development of the blue economy involves the construction of marine infrastructures (harbors, marine wind farms, underwater data centers, etc.). All these activities require a geological investigation of the sea bottom. For nearshore and very near-shore applications the most common solution is represented by the adoption of fixed jack-up platfo...
Article
High-performance Permanent Magnets (PMs), both as sintered metal and bonded metal-polymer, are necessary for modern industry. PMs using Rare Earth Elements (REEs) for wind power generation provide efficiency and power density. As a drawback, REEs are critical due to cost, environmental and social impacts related to their production. Component optim...
Article
Full-text available
Roads are a strategic asset of a country and are of great importance for the movement of passengers and goods. Increasing traffic volume and load, together with the aging of roads, creates various types of anomalies on the road surface. This work proposes a low-cost system for real-time screening of road pavement conditions. Acceleration signals pr...
Article
Diesel multiple units (DMU) offer an affordable alternative to electric trains on lines in which infrastructural and maintenance costs of electrification are not justified. A further improvement of sustainability involves the abandonment of internal combustion engines in favour of an electric power train sustained by an on-board storage system. In...
Chapter
Trenchless technologies represent an innovative opportunity to improve quality, sustainability and overall costs of many construction works dealing with installation of various kind of ser-vices and utilities especially in crowded urban environments where interactions of conventional construction yards with surrounding community should produce an a...
Chapter
The aim of this chapter is to investigate how hybridization should help to improve efficiency and sustainability of heavy vehicles including public transportation systems, trucks, and tracked machines. Fundamental concepts are introduced and illustrated through a gallery of examples mainly related to previous research experiences of authors.
Article
The capability to assess and monitor the state of health (SOH) of lithium-based cells is a highly demanded feature for advanced battery management systems. Due to the existing relation between SOH and internal impedance, electrochemical impedance spectroscopy (EIS) methods are adopted for SOH diagnosis. Nevertheless, accurate EIS tests demand expen...
Article
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Mechanical recycling of common materials such as plastics requires appropriate material segregation, which is usually performed adopting processes similar to those developed for mineral engineering industry. Due to the need to increment amount and quality of selection products, such processes – still developed through trial-and-error approach – are...
Article
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Newly electric vehicle architectures require intensive virtual and physical testing for safety assessment, due to the increasing relevance of By-Wire systems and the presence of innovative control algorithms for ordinary driving scenario, potential emergency situations or Advanced Driver-Assistance Systems implementation purpose. To reduce the deve...
Chapter
Trenchless excavation will play a key role in the development of smart cities allowing a fast and sustainable improvement of underground infrastructures. Directional drilling machines are a fundamental tool in this process allowing the installation of pipes, ducts and cables with a relatively free trajectory. In the optic of a progressive decarboni...
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This paper presents the design procedure of an electric circuit that can perform the battery state diagnosis and, simultaneously, provide its charging. A fast and embedded impedance measurement method is also proposed; this is based on a broadband current signal excitation on the battery during the constant current charging phase. The proposed solu...
Chapter
Cartesian Manipulators are still widely used in many application sectors, due to their relatively simple construction and easy controllability. In this work authors present a study concerning the revamping of an existing manipulator, in which it’s shown how an integrated mechatronic design affecting structure, actuation and drive system can produce...
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This paper proposes a hybrid storage for urban transport systems in order to reduce recharge time and increase its life and reliability. Proposed system is applied to a pre-existing electric vehicle, introducing through proposed revamping procedure a methodology for a fast integration of proposed systems on different vehicles. Finally, the system i...
Article
Diffusion of electric and hybrid vehicles is accelerating the development of innovative braking technologies. Calibration of accurate models of a hydraulic brake plant involves availability of large amount of data whose acquisition is expensive and time consuming. Also, for some applications, such as vehicle simulators and hardware in the loop test...
Article
Demand for urban mobility continue to be on the rise and the changing landscape has profound repercussions on a varied range of issues as well as health, safety, water, transport and energy consumption. For this reason, to achieve sustainable urbanization, cities must generate better employment opportunities, expand the necessary infrastructure, en...
Conference Paper
Research question / Starting point for investigation: The application of Autonomous Emergency Braking on Motorcycles (MAEB) relies on the solution of a number of open research questions. The collision represents a dangerous and safety critical event to be avoided with high priority. However, focusing on the triggering methods, the recommendation fr...
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A thorough assessment of Life-Cycle effects involved by vehicle lightweighting needs a rigorous evaluation of mass-induced consumption, on which energy and sustainability benefits during use stage directly depend. The paper proposes an analytical calculation procedure to estimate the weight-related energy consumption of pure Electric Vehicles (EVs)...
Article
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As electric mobility becomes more important every day, scientific research brings us new solutions that increase performance, reduce financial and economic impacts and increase the market share of electric vehicles. Therefore, there is a necessity to compare technical and economic aspects of different technologies for each transport application. Th...
Conference Paper
A rapidly shifting market and increasingly stringent environmental regulations require the automotive OEMs to produce more efficient and low-emission electric vehicles. Regenerative braking has proven to be a major contributor to both objectives, enabling the charging of the batteries during braking on one side, and a reduction of the load and wear...
Chapter
As a part of a National research program (Ricerca di Sistema 2015 and 2017), ENEA has proposed an innovative hybrid storage system that allows a fast recharge of electric public transportation vehicles. In order to demonstrate the feasibility of this idea, researchers of University of Florence have implemented the proposed system on a existing elec...
Article
Application of regenerative braking on electric vehicles have a large impact on several aspects of design, implemented functionalities and overall performances of road vehicles. In particular, multi-quadrant capabilities and improved control performances of modern electric drives can be fully exploited to improve vehicle efficiency, stability and o...
Article
The paper contributes at filling the lack of knowledge on Photovoltaic (PV) panels recycling through the analysis of a mobile mechanical treatment plant developed within the context of a European project. The process, the machinery installed in the system and their main functionalities are described. The data are used to perform a Life Cycle Assess...
Conference Paper
Regenerative braking influences several aspects of design and performances of electric vehicles. Improved performances of modern electric drives can be exploited to optimize vehicle efficiency, stability and environmental impact. Braking plant is devoted not only to stop the vehicle but also to the actuate many on board safety related systems. As a...
Chapter
Development of electric vehicles is not only an opportunity in terms of environmental sustainability but it also offers interesting possibilities in terms of control performances that can be achieved by on board systems devoted to increase vehicle safety and stability by modulating longitudinal efforts applied to tires. It’s not only a matter of pe...
Chapter
Modern electric vehicles are complex mechatronics systems whose behaviour is highly influenced by the concurrent action of mechanical and electrical systems interfaced with complex control logics aiming to improve several aspect concerning energy management, vehicle stability, comfort and guidance. As a partner of the European Project Obelics (Opti...
Chapter
Cost and reliability of energy storage systems are key factors for the electrification of road vehicles such as buses. In this work, authors propose a hybrid storage system in which a relatively small electrochemical battery is coupled with an array of super-capacitors. Super-capacitors are sized in order to store the energy needed to perform the t...
Article
Full-text available
The use of so called Rare Earth Elements (REEs) for the production of permanent magnets (PMs) is increasing worldwide due to the needs of numerous industrial sectors. REEs are described in literature as critical materials due to the uncertainties related to cost instability and due to the potential environmental and social impact associated to thei...
Article
Full-text available
Sustainability is a critical issue for the automotive industry, making that car manufacturers have to address also environmental issues additionally to the traditional ones. Within this context, many research and industry activities have been concentrated in the field of lightweighting through the development of innovative materials and manufacturi...
Article
Full-text available
The activity here presented describes the retrofit performed on a small-size electric urban bus, which has been transformed in a laboratory vehicle for flash charge functionality using energy transfer between supercapacitors. The existing motor and driveline has been maintained, while the energy storage, originally based on lead batteries, has been...
Conference Paper
Full-text available
Riding simulators are an important resource for motorcycle safety: they can be used to investigate human behaviour under hazardous situations, test novel assistance systems, and perform training in safe conditions. However, the level of realism of the riding simulation is crucial. In former studies, a low-cost approach to riding simulation adopting...
Article
The use of photovoltaic panels in Europe led to the installation of about 100GWp in the last decade, an amount which is still growing. The productive life of panels is expected to be between 10 to 30 years, so that in the future a strong demand for systems able to perform their End–of–Life treatment is undoubted. As a consequence of the Directive 2...
Article
Full-text available
The diffusion of small size electric vehicles mainly designed for the urban context can significantly reduce the impact of personal mobility not only due to reduced energy consumption but also optimizing the use of parking and driving space in comparison with conventional vehicles. The solutions proposed on the market and at research level include...
Article
Road accident risk assessment is a complex topic both due to the large number of factors determining it and to the difficulties to collect data. In addition, most exposure factors influencing crash probability, such as environment and driver characteristics, are dependent from each other, so that it is not intuitive to devise a cause-effect scenari...
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Full-text available
The development of Electric Vehicles (EV's), either fully electric (BEV…battery electric vehicle) or different hybrids (like HEV… hybrid electric vehicles or PHEV…plug-in hybrids), is an undeniable prerequisite to fulfill the worldwide emission targets for transport even within the next 10-15 years. The conventional development methods and tools on...
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Full-text available
The railway system represents one of the most resource-efficient answer to our ever-growing demand for transport service and the development trends for the following years forecast a substantial increase in this sector. Considering the European Union, rolling stock realizes a significant share of both goods and passengers carriage while it is respo...
Article
Strong efforts are spent in automotive engineering for the creation of so called Driving Cycles (DCs). Vehicle DC development has been a topic under research over the last thirty years, since it is a key activity both from an authority and from an industrial research point of view. Considering the innovative characteristics of Electric Vehicles (EV...