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726 results on '"Sabbioni E"'

1. An Analysis of Truck-Driver System Response to Crosswind in Tunnel Exit Conditions

Author

Prakash, A. R., Cioffi, A., Sabbioni, E., Vignati, M., Schito, P., di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Cui, Zhen-Dong, Series Editor, Schito, Paolo, editor, and Zasso, Alberto, editor

Published
2024
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2. Monitoring Railway Infrastructure Through a Freight Wagon Equipped with Smart Sensors

Author

Zanelli, Federico, La Paglia, I., Debattisti, Nicola, Mauri, Marco, Tarsitano, D., Sabbioni, E., di Prisco, Marco, Series Editor, Chen, Sheng-Hong, Series Editor, Vayas, Ioannis, Series Editor, Kumar Shukla, Sanjay, Series Editor, Sharma, Anuj, Series Editor, Kumar, Nagesh, Series Editor, Wang, Chien Ming, Series Editor, Limongelli, Maria Pina, editor, Giordano, Pier Francesco, editor, Quqa, Said, editor, Gentile, Carmelo, editor, and Cigada, Alfredo, editor

Published
2023
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19. Rapporto sul futuro e l'innovazione della pubblica amministrazione - FuturAP 2022

Author

B. Boschetti (ORCID:0000-0001-9344-2163), E. Vendramini (ORCID:0000-0001-9386-9626), P. Sabbioni, E. Vendramini, F. Timapano, A. Rosa, C. Marenghi, G. Sigismondi, V- Ferrante, M. Altimari, Boschetti, Barbara, Vendramini, Emanuele Antonio, B. Boschetti (ORCID:0000-0001-9344-2163), E. Vendramini (ORCID:0000-0001-9386-9626), P. Sabbioni, E. Vendramini, F. Timapano, A. Rosa, C. Marenghi, G. Sigismondi, V- Ferrante, M. Altimari, Boschetti, Barbara, and Vendramini, Emanuele Antonio

Abstract

Il Rapporto raccoglie una serie di scritti dedicati a ricostruire lo scenario di cambiamento della PA italiana innescato dal PNRR

Published
2022

32. Full-scale derailment tests on freight wagons.

Author

Diana, G., Sabbioni, E., Somaschini, C., Tarsitano, D., Cavicchi, P., Di Mario, M., and Labbadia, L.

Subjects
*WAGONS, *RAILROAD accidents, *RAILROAD trains, *ELECTRIC units, *RAILROADS, *DETECTORS
Abstract

Reducing derailments of freight trains is of utter importance for improving railway transportation since derailments lead to large service disruption, economic losses and risk related to transported goods. The present paper studies low-speed (below 30 km/h) derailment of freight trains, performing experimental full-scale tests, using an instrumented wagon equipped with a commercial derailment detector. Specifically, the dynamics of a freight wagon during wheel-climb derailment and the motion with one axle derailed are investigated. During the tests, accelerations were measured at the bogie and at the carbody. Moreover, the intervention of the derailment detector was monitored to assess possible causes of false tripping or miss-detections. Two loading conditions were analysed: empty and loaded wagon. Main achievements may be summarised as follows: (1) the activation of the derailment detector is always triggered by impacts between the axle-box and the rail; (2) if the wagon is empty, vibrations induced by a derailed axle over the sleepers strongly depend on vehicle speed and they may not trigger the derailment detector in the range 15–25 km/h; (3) derailment detectors must be installed at both ends of each wagon. This information may be used to develop derailment detection algorithms integrated into electric control units with computing capabilities.. [ABSTRACT FROM AUTHOR]

Published
2022
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33. A cooperative control strategy for yaw rate and sideslip angle control combining torque vectoring with rear wheel steering.

Author

Vignati, M. and Sabbioni, E.

Subjects
*TORQUE control, *AUTOMOBILE steering gear, *VEHICLE models, *ANGLES, *ELECTRIC motors
Abstract

Automobiles are becoming more and more complex as multiple control systems are integrated into the vehicle platform. This paper investigates the coordination of active rear steering (RWS) and torque vectoring (TV) – which is enabled by independent electric motors at the rear axle – in controlling vehicle lateral dynamics. The proposed controller aims at enhancing vehicle handling performance and stability while cornering. The coordination of the two actuators is achieved by weighting their contribution based on their impact on vehicle dynamics according to the working condition. The impact of each control system is assessed by means of phase portraits. These plots are a very powerful tool for analysing vehicle nonlinear dynamics as they readily display vehicle stability properties and map equilibrium point locations and movement to changing parameters and control inputs. Based on phase portrait analysis, a performance index is thus proposed, which weights more the control action (TV or RWS) capable of leading the vehicle at the nearest equilibrium point with the fastest rate. The controller performance is assessed through numerical simulations carried out using a nonlinear 14 dofs vehicle model. Results are compared with ones of the two controllers alone (RWS and TV) in different manoeuvers and adherence conditions. [ABSTRACT FROM AUTHOR]

Published
2022
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