Bond graph modeling of a railway truck on curved track |
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| Authors: | N. Banerjee A.K. Saha R. Karmakar R. Bhattacharyya |
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| Affiliation: | 1. Department of Mechanical Engineering, National Institute Technology, M.G. Avenue, Durgapur, West Bengal 713209, India;2. Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur 721 302, India;1. Universidade Estadual de Londrina (UEL), Departamento de Química, Centro de Ciências Exatas, Rodovia Celso Garcia Cid, PR 445 Km 380, 86057-970 Londrina, Brazil;2. Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Química, CEP 21941-909, Rio de Janeiro – RJ, Brazil;3. Instituto Nacional de Ciência e Tecnologia (INCT) de Bioanalítica, Universidade Estadual de Campinas (UNICAMP), Cidade Universitária Zeferino Vaz s/n, 13083-970 Campinas, Brazil;1. Department of Aerospace Engineering, Siberian State Aerospace University, Krasnoyarsk, Russia;2. School of Engineering & IT, The University of New South Wales, Canberra, Australia;1. Institute of Chemistry, Far-Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia;2. Far-Eastern Federal University, Vladivostok, Russia;1. Department of Computer Science and Engineering, NSHM Knowledge Campus, Durgapur-713212, India;2. Department of Computer Science and Engineering, National Institute of Technology, Durgapur-713209, India |
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| Abstract: | Rail vehicles become unstable beyond a critical speed because of speed dependant creep forces at the rail-wheel contact surface. There is a constant demand for improved rail vehicle model for design of high-speed vehicles, and track. Works available in the literature are based on models of trucks with various simplifying assumptions such as reduced degree of freedom, small displacements and without kinematic nonlinearities and inclination of the contact surface. In this paper an integrated bond graph model of a truck is developed for the first time without the aforementioned assumptions. It is found that truck dynamical behavior is significantly different from those found in the literature in some cases. |
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