Finite element periodic catenary model to perform HIL pantograph tests considering non-linear dropper behaviour

J. Gil; M. Tur; S. GregoriA. CorrecherF.J. Fuenmayor

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Finite element periodic catenary model to perform HIL pantograph tests considering non-linear dropper behaviour

机译：Finite element periodic catenary model to perform HIL pantograph tests considering non-linear dropper behaviour

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In this paper, we propose a general approach to compute the dynamic response of periodic infinite structures subjected to a moving load. The method only considers one repetitive block of the structure which is modelled by the Finite Element Method. The problem is first shifted to the frequency domain where the periodicity condition is easily applied and then the temporal response is obtained. An infinite periodic catenary system has been chosen to illustrate the proposed formulation. The linear formulation is extended to include the non-linear behaviour of droppers. The efficiency and accuracy of the catenary model obtained makes it very suitable for use in Hardware in the Loop (HIL) pantograph tests. We propose to combine this catenary model with an iterative strategy to achieve the steady-state response of the coupled system and its performance is analysed in a virtual HIL simulation.

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来源
《Finite elements in analysis & design》 |2022年第11期|48-59|共12页
作者
J. Gil; M. Tur; S. GregoriA. CorrecherF.J. Fuenmayor;
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作者单位

Instituto de Ingenieria Mecanica y Biomecanica, Universitat Politicnica de Valencia, Camino de Vera s/n, 46022, Valencia, Spain;

Instituto de Automatica e Informatica Industrial, Universitat Politicnica de Valencia, Camino de Vera s/n, 46022, Valencia, Spain;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Non-linear periodic structures; Moving load; Pantograph-catenary interaction; Hardware-in-the-loop; Finite Element Method;

Finite element periodic catenary model to perform HIL pantograph tests considering non-linear dropper behaviour

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