期刊
VEHICLE SYSTEM DYNAMICS
卷 57, 期 4, 页码 471-492出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00423114.2018.1473617
关键词
Stochastic simulations; Monte Carlo method; pantograph-catenary interaction; uncertainty propagation
资金
- FPU program by the Spanish Ministry of Education, Culture and Sports (Ministerio de Educacion, Cultura y Deportes) [FPU13/04191]
- Regional Government of Valencia (Generalitat Valenciana) [PROMETEO/2016/007]
- Spanish Ministry of Economy, Industry and Competitiveness (Ministerio de Economia, Industria y Competitividad) [TRA2017-84736-R]
The simulation of the pantograph-catenary dynamic interaction is at present mainly based on deterministic approaches. However, any errors made during the catenary stringing process are sources of variability that can affect the dynamic performance of the system. In this paper, we analyse the influence of dropper length, dropper spacing and support height errors on the current collection quality by applying a classic Monte Carlo method to obtain the probability density functions of several output quantities. The effects of installation errors are also studied for a range of train speeds. Finally, the pre-sag that, on average, produces the best behaviour of the system is identified, allowing for the uncertainty in the catenary installation. The results obtained show the convenience to consider variability in pantograph-catenary dynamic simulations.
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