1–20 of 37 hits
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    An investigation into the mechanical damping characteristics of catenary contact wires and their effect on aerodynamic galloping instability

    Stickland, M.T. / Scanlon, T.J. / Craighead, I.A. et al. | Tema Archive | 2003
    the natural frequency and mechanical damping were found to be 1.4 Hz and 0.05 respectively. This information was used to assess the effect of ...

    Influence of system parameters on the stability limit of the undisturbed motion of a motor bogie

    Huang, Caihong / Zeng, Jing / Liang, Shulin | Tema Archive | 2014
    In this article, the stability limit of the undisturbed motion of a simple railway motor bogie whose traction motors are fully suspended on ...

    Flight test validation of the dynamic model of a fuel cell system for ultra-light aircraft

    Correa, G. / Santarelli, M. / Borello, F. et al. | Tema Archive | 2015
    The application of fuel cell technology to aircraft propulsion and/or energy supply is attracting a great deal of interest because of the ...

    Effects of polarity on the friction and wear of collector shoes deployed in a metro traction system

    Dong, Lin / Zhong, Wen / Chen, Guang Xiong et al. | Tema Archive | 2014
    The effects of current density and polarity on the tribology characteristics of the contact between an aluminium/stainless steel composite ...

    Analysis of electrical interferences related to the current collection quality in pantograph-catenary interaction

    Bucca, G. / Collina, A. / Manigrasso, R. et al. | Tema Archive | 2011
    The dynamic interaction between a pantograph and a catenary influences the quality of the current collection. In particular, when two ...

    Investigation into the attenuation of wind speed by the use of windbreaks in the vicinity of overhead wires

    Scanlon, T.J. / Stickland, M.T. / Oldroyd, A.B. | Tema Archive | 2000
    An experimental and computational analysis of the efficacy of windbreaks for the attenuation of wind speed in the vicinity of overhead ...

    Monitoring the dynamic displacements of railway track

    Bowness, D. / Lock, A.C. / Powrie, W. et al. | Tema Archive | 2007
    This paper reports the development and testing of two independent, innovative techniques for measuring rail displacements. One system ...

    Dynamic comparison of headlights

    Serrat, J. / Diego, F. / Lumbreras, F. et al. | Tema Archive | 2008
    Continuous innovations in automotive lighting technology pose the problem of how to assess new headlights systems. For car manufacturers ...

    The application of fuel cell technology to rail transport operations

    Hillmansen, S. | Tema Archive | 2003
    Fuel cell technology has in recent years undergone a period of rapid development. This evolution has been driven by the requirements of ...

    Using bogie-mounted sensors to understand the dynamics of third rail current collection systems

    Stewart, E. / Weston, P. / Hillmansen, S. et al. | Tema Archive | 2011
    to be addressed. The mechanical design of the system must balance the requirements of good fatigue life with appropriate impact strength ...

    An analysis of resonance effects in locomotive drive systems experiencing wheel/rail saturation adhesion

    Yao, Yuan / Zhang, Hong-Jun / Luo, Shi-Hui | Tema Archive | 2014
    This study investigates the dynamic response of a locomotive drive system experiencing wheel/rail saturation adhesion. A dynamic locomotive ...

    The rapid development of a vehicle electronic control system and its application to an antilock braking system based on hardware-in-the-loop simulation

    Li, J. / Yu, F. / Zhang, J.W. et al. | Tema Archive | 2002
    (HiL) simulation technology. This system can be used in parallel with the development of a new vehicle electronic control product. Once desired ...
    Keywords: Hardware-in-the-Loop-Simulation

    Piezoelectric energy harvesting for autonomous sensors network on safety-improved railway vehicles

    Pasquale, G. de / Soma, A. / Fraccarollo, F. | Tema Archive | 2012
    improvement on railway vehicles. The dynamic dimensioning of the piezoelectric generator is presented, for the mechanical and electric viewpoints; the ...

    An active suspension system for railway pantographs: the T2006 prototype

    Allotta, B. / Pugi, L. / Bartolini, F. | Tema Archive | 2009
    . Interaction between the contact wire and pantograph produces oscillations which, in order to assure a satisfying quality of current collection, have ...

    A novel method for estimation of train speed and location using traction motor voltage and current

    Heidari, Amir / Sandidzadeh, Mohammad Ali / Farshad, Siamak | Tema Archive | 2012
    drives of the traction produced by induction motors are presented in this paper. In these methods, the inputs of the proposed algorithm for speed ...

    Detection of corrugation and wheelflats of railway wheels using energy and cepstrum analysis of rail acceleration

    Bracciali, A. / Cascini, G. | Tema Archive | 1997
    analysis criteria. The use of cepstrum analysis proved to be particularly useful as it allows the discrimination of wheelflats independently from ...

    Design and testing of a series hybrid vehicle with an ultracapacitor energy buffer

    Ganley, Jason C. | Tema Archive | 2012
    specify components for the conversion of a General Motors EV 1 electric vehicle to a hybrid vehicle in series configuration. The model was used ...

    Effect of collector deformable modes in pantograph-catenary dynamic interaction

    Collina, A. / Lo Conte, A. / Carnevale, M. | Tema Archive | 2009
    The aim of the paper is to highlight the influence of the deformable modes of the collector of high-speed pantograph on the quality of ...

    Active vibration control of a railway pantograph

    Wu, T.X. / Brennan, M.J. | Tema Archive | 1997
    Current collection for electrical trains can be improved by use of an active pantograph. To design such a system the behavior of both the ...