Browsing by Author "Zanotti Fragonara, Luca"

Browsing by Author "Zanotti Fragonara, Luca"

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  • The accuracy and computational efficiency of the Loewner framework for the system identification of mechanical systems 
    Dessena, Gabriele; Civera, Marco; Ignatyev, Dmitry; Whidborne, James F.; Zanotti Fragonara, Luca; Chiaia, Bernardino (MDPI, 2023-06-20)
    The Loewner framework has recently been proposed for the system identification of mechanical systems, mitigating the limitations of current frequency domain fitting processes for the extraction of modal parameters. In this ...
  • Adaptive detection tracking system for autonomous UAV maritime patrolling 
    Panico, Alessandro; Zanotti Fragonara, Luca; Al-Rubaye, Saba (IEEE, 2020-08-06)
    Nowadays, Unmanned Aerial Vehicles (UAVs) are considered reliable systems, suitable for several autonomous applications, especially for target detection and tracking. Although significant developments were achieved in ...
  • Autonomous inspection and repair of aircraft composite structures 
    Kostopoulos, Vassilis; Psarras, Spyridon; Loutas, Theodoros; Sotiriadis, George; Gray, Iain; Padiyar M, Janardhan; Petrunin, Ivan; Raposo Gaudencio Campos, Joao; Zanotti Fragonara, Luca; Tzitzilonis, Vasileios; Dassios, Konstantinos; Exarchos, Dimitrios; Andrikopoulos, George; Nikolakopoulos, George (Elsevier, 2018-11-23)
    This paper deals with the development of an innovative approach for inspection and repair of damage in aeronautical composites that took place in the first two years of the H2020 CompInnova project which. The aim is a newly ...
  • A comparative analysis of optimization algorithms for finite element model updating on numerical and experimental benchmarks 
    Raviolo, Davide; Civera, Marco; Zanotti Fragonara, Luca (MDPI, 2023-12-01)
    Finite Element Model Updating (FEMU) is a common approach to model-based Non-Destructive Evaluation (NDE) and Structural Health Monitoring (SHM) of civil structures and infrastructures. Its application can be further ...
  • Comparison of semi-active control strategies for rocking objects under pulse and harmonic excitations 
    Ceravolo, Rosario; Pecorelli, Marica Leonarda; Zanotti Fragonara, Luca (Elsevier, 2016-12-28)
    Recently, a considerable literature has grown up around the theme of seismic protection of rigid blocks, with a special focus on strategies to reduce the overturning vulnerability due to rocking motion. The present paper ...
  • A computational methodology for assessing the time-dependent structural performance of electric road infrastructures 
    Ceravolo, Rosario; Miraglia, Gaetano; Surace, Cecilia; Zanotti Fragonara, Luca (Wiley, 2016-04-05)
    An infrastructure adapted to dynamic wireless recharging of electric vehicles is often referred to generically as Electric Road (“e-road”). E-roads are deemed to become essential components of future grid environments and ...
  • Diagnosis of composite materials in aircraft applications: towards a UAV active thermography inspection approach 
    Alhammad, Muflih; Avdelidis, Nicolas Peter; Deane, Shakeb; Ibarra-Castanedo, Clemente; Pant, Shashank; Nooralishahi, Parham; Ahmadi, Mohammad; Genest, Marc; Zolotas, Argyrios; Zanotti Fragonara, Luca; Valdes, Julio J.; Maldague, Xavier P. V. (Society of Photo-Optical Instrumentation Engineers (SPIE), 2021-04-12)
    Diagnosis and prognosis of failures for aircrafts’ integrity are some of the most important regular functionalities in complex and safety-critical aircraft structures. Further, development of failure diagnostic tools such ...
  • Dynamic investigation on the Mirandola bell tower in post-earthquake scenarios 
    Zanotti Fragonara, Luca; Boscato, Giosue; Ceravolo, Rosario; Lentile, Silvia; Russo, Salvatore; Pecorelli, Marica Leonarda; Quattrone, Antonino (Springer Verlag (Germany), 2016-07-19)
    After the seismic events of the 20th and 29th of May 2012 in Emilia (Italy), most of the monumental and historic buildings of the area were severely damaged. In a few structures, partial collapse mechanisms were observed ...
  • Experimental modal analysis of structural systems by using the fast relaxed vector fitting method 
    Civera, Marco; Calamai, Giulia; Zanotti Fragonara, Luca (Wiley, 2021-01-06)
    System identification (SI) techniques can be used to identify the dynamic parameters of mechanical systems and civil infrastructures. The aim is to rapidly and consistently model the object of interest, in a quantitative ...
  • An experimental study of the feasibility of phase‐based video magnification for damage detection and localisation in operational deflection shapes 
    Civera, Marco; Zanotti Fragonara, Luca; Surace, Cecilia (Wiley, 2019-01-08)
    Optical measurements from high‐speed, high‐definition video recordings can be used to define the full‐field dynamics of a structure. By comparing the dynamic responses resulting from both damaged and undamaged elements, ...
  • Experimental testing of a masonry arch bridge model subject to increasing level of damage 
    Degiovanni, L.; Quattrone, Antonino; Zanotti Fragonara, Luca; Ceravolo, Rosario; De Stefano, Alessandro (European Commission, 2011-01-31)
    Masonry arch bridges are particularly sensitive to the bearings loss produced by scour of the streambed soil at the piers foundations. A 1:2 scaled experimental model of a masonry arch bridge was built to study the ...
  • A generalised power-law formulation for the modelling of damping and stiffness nonlinearities 
    Civera, Marco; Grivet-Talocia, Stefano; Surace, Cecilia; Zanotti Fragonara, Luca (Elsevier, 2020-12-26)
    In this paper, a single-degree-of-freedom dynamic model is described, with displacement- and velocity-dependent nonlinearities represented by power laws. The model is intended to support the dynamic identification of ...
  • A global-local meta-modelling technique for model updating 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Zanotti Fragonara, Luca (Elsevier, 2023-10-09)
    The finite element model updating procedure of large or complex structures is challenging for engineering practitioners and researchers. Iterative methods, such as genetic algorithms and response surface models, have a ...
  • Ground vibration testing of a flexible wing: a benchmark and case study 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Pontillo, Alessandro; Zanotti Fragonara, Luca (MDPI, 2022-08-10)
    Beam-like flexible structures are of interest in many fields of engineering, particularly aeronautics, where wings are frequently modelled and represented as such. Experimental modal analysis is commonly used to characterise ...
  • Ground vibration testing of a high aspect ratio wing with revolving clamp 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Pontillo, Alessandro; Zanotti Fragonara, Luca (ICAS, 2022-11-28)
    The advancements in the aeronautical industry and research on materials and manufacturing methods in the last 70 years have been shifting the paradigm of wing design to high aspect ratio flexible wings. These wings can ...
  • Identification of flexible structures dynamics. 
    Dessena, Gabriele (Cranfield UniversitySATM, 2023-04)
    The pursuit of aerodynamic efficiency and the advances in materials technology, particularly in composite material, has contributed to shifting the paradigm of wing design to high aspect ratio wings. Increasing the span, ...
  • Inspection of aircraft wing panels using unmanned aerial vehicles 
    Malandrakis, Konstantinos; Savvaris, Al; Gonzalez Domingo, Jose Angel; Avdelidis, Nicolas Peter; Tsilivis, Panagiotis; Plumacker, Florence; Zanotti Fragonara, Luca; Tsourdos, Antonios (IEEE, 2018-09-03)
    In large civil aircraft manufacturing a time-consuming post-production process is the non-destructive inspection of wing panels. This work aims to address this challenge and improve the defects' detection by performing ...
  • Inspection of aircraft wing panels using unmanned aerial vehicles 
    Tzitzilonis, Vasileios; Malandrakis, Konstantinos; Zanotti Fragonara, Luca; Gonzalez Domingo, Jose Angel; Avdelidis, Nicolas Peter; Tsourdos, Antonios; Forster, Kevin (MDPI, 2019-04-17)
    In large civil aircraft manufacturing, a time-consuming post-production process is the non-destructive inspection of wing panels. This work aims to address this challenge and improve the defects’ detection by performing ...
  • A Kriging approach to model updating for damage detection 
    Dessena, Gabriele; Ignatyev, Dmitry I.; Whidborne, James F.; Zanotti Fragonara, Luca (Springer, 2022-06-16)
    For complex or large structures, the model updating process can be long and tedious and numerical methods can be computationally expensive. Hence, practitioners and researchers often resort to meta-modelling techniques ...
  • A Loewner-based system identification and structural health monitoring approach for mechanical systems 
    Dessena, Gabriele; Civera, Marco; Zanotti Fragonara, Luca; Ignatyev, Dmitry; Whidborne, James F. (Wiley, 2023-04-18)
    Data-driven structural health monitoring (SHM) requires precise estimates of the target system behaviour. In this sense, SHM by means of modal parameters is strictly linked to system identifcation (SI). However, existing ...