Luca Pugi

Luca Pugi
University of Florence | UNIFI

Professor

About

279
Publications
56,286
Reads
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2,593
Citations
Citations since 2016
140 Research Items
1984 Citations
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
Additional affiliations
January 2000 - present
University of Florence
Position
  • Researcher

Publications

Publications (279)
Chapter
The present work involves the study of a path following sliding mode strategy. Different control algorithms and calibrations are compared. Proposed control strategy implies not only an improved accuracy in terms of path following but also robustness against wind disturbances. These features have been verified considering as indices of accuracy and...
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
Full-text available
Measurement of Equivalent Conicity is quite important index to properly evaluate geometric quality of rails and wheels. The way in which this index is evaluated is evaluated is described by the standard EN 15302 from online contactless measurement of rail profiles performed by a dedicated measurement coach. The numerical treatment of large amount o...
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.
Chapter
Control of Autonomous Sail Vehicles involves a precise measurement of amplitude and direction of incoming wind. Ultrasound anemometers are widely used for this purpose. In previous research activities authors have successfully developed, calibrated, and integrated in existing autonomous sailboats a planar ultrasound anemometer. In this work authors...
Article
Full-text available
This paper is an outcome of an international collaborative research initiative. Researchers from 24 institutions across 12 countries were invited to discuss the state-of-the-art in railway train air brake modelling with an emphasis on freight rains. Discussed models are classified as empirical, fluid dynamics and fluid-empirical dynamics models. Em...
Article
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Classic circuit modeling for supercapacitors is limited in representing the strongly non-linear behavior of the hybrid supercapacitor technology. In this work, two novel modeling techniques suitable to represent the time-domain electrical behavior of a hybrid supercapacitor are presented. The first technique enhances a well-affirmed circuit model b...
Chapter
Full-text available
UAVs offer an affordable and sustainable way to improve monitoring of large areas contributing, as example, to gather large amount of data or to improve the surveillance of sites in which criminal activities such as clandestine immigration should harm safety of peoples. Patrolling of large areas involves the use of Unmanned Aerial Vehicles with lar...
Article
Full-text available
Purpose The purpose of this paper is to present an alternative solution for press-fit technology processes, which could improve the precision of the positioning movements and the stiffness of the structural elements. Design/methodology/approach A concept is presented and the related kinematics is described. Then, preliminary embodiment evaluations...
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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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...
Chapter
The term roto-linear actuator is used to describe a solution able to control at the same time two degree of freedom, a linear motion along an axis and a rotation around the same one, realizing a controlled helicoidal motion with variable pitch. This kind of actuation systems widely diffused in robotics are encountering a growing diffusion also appl...
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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
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Safety of railway signalling systems is strongly related to reliability of on board train localization respect to protected points of the line. In particular, the so-called odometry is the system devoted to train localization along the line. Current systems like the Italian SCMT (Sistema Controllo Marcia Treno) implement localization as a filtered...
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...
Article
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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
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In this paper, the design procedure of an electric vehicle (EV) wireless charger is presented. Unlike most of the systems available in the literature, the proposed charging system is regulated from the vehicle side. The on-board electrical circuit automatically adapts the resonant compensation to guarantee compatibility with the primary inverter ch...
Article
Purpose This study aims to carry out an investigation of design approaches that should be used for the design of unconventional, innovative transmission system for construction yards to privilege a smooth behaviour efficiency, and the use of innovative production techniques. Results are quite surprising, as with a proper method it is possible to de...
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
This article presents a set of algorithms for the estimation of state of charge, specifically deployed for lithium-ion batteries. These algorithms are based on appropriate battery models. These models can be developed having different levels of accuracy, also including the possibility to correctly represent the hysteresis voltage behaviour of the s...
Article
Purpose__ The purpose of this study is to identify an innovative solution for the power transmission gearbox of concrete mixers, according to the specifications provided by the company.__ Design/methodology/approach__ A tailored systematic design approach (inspired to the German systematic framework) has been adopted to comprehensively gather the...
Article
Full-text available
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
Full-text available
Autonomous Sail Drone represent an interesting research topic but also a potential solution for different applications mainly related to the monitoring of large marine areas or freshwater basins. In this work authors from University of Florence presents the current evolution of UNIFI sail drone. Current vehicle development is focused on many activi...
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
In this work an innovative planar piezo-electric actuation stage for vibration control of rotating machinery is presented. Starting from a simplified benchmark test case, authors have focused their attention on innovative design methodologies that should be applied in order to meet design specifications. Proposed design procedure allows the optimiz...
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...
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
In previous research activities authors have developed a prototype of innovative Autonomous Sail Surface Boat, briefly called MOUNTAINS. This prototype has been the object in the last year of intense activities concerning both design and calibration that have been refined producing an enhanced version aiming to solve some limitations of the previou...
Research Proposal
Full-text available
Many industrial components, ranging from industrial machines to automotive applications and so forth, are subjected to cumulative damage phenomena oen associated with cyclic loads. ese are oen caused by vibrations, occasional shocks, and acoustic emissions. In a damage tolerant (DT) scenario, each mechanical component needs to retain its residual h...
Article
Wireless recharge of electric vehicles is an important field of research. Design of inductive power transfer systems involves the optimization of resonant coils coupled through mutually induced magnetic fields. Currently there is a big interest concerning both on optimization methods and on the research of innovative topologies able to maximize bot...
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 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...
Article
Full-text available
There is a wide literature concerning the application of inductive power transfer (IPT) to light railway systems. In this work, proposed application is innovative with respect to existing literature: static current collection on conventional railway lines is proposed in order to replace the functionalities implemented by conventional battery charge...