期刊
VEHICLE SYSTEM DYNAMICS
卷 56, 期 8, 页码 1162-1186出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00423114.2017.1407434
关键词
Railway catenary; genetic algorithm; optimisation; pantograph-catenary interaction
The quality of current collection becomes a limiting factor when the aim is to increase the speed of the present railway systems. In this work an attempt is made to improve current collection quality optimising catenary geometry by means of a genetic algorithm (GA). As contact wire height and dropper spacing are thought to be highly influential parameters, they are chosen as the optimisation variables. The results obtained show that a GA can be used to optimise catenary geometry to improve current collection quality measured in terms of the standard deviation of the contact force. Furthermore, it is highlighted that apart from the usual pre-sag, other geometric parameters should also be taken into account when designing railway catenaries.
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