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On the use of a hardware in the loop set-up for pantograph dynamics evaluation

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The operation of high-speed trains requires higher performance of the pantograph-catenary dynamic interaction, in order to ensure a satisfactory quality of the current collection. Both numerical and experimental approaches are available to assess the dynamic performance of a pantograph coupled with a catenary. In order to reduce the duration of in-line tests, it would be desirable to perform dynamic laboratory tests on the pantograph, that to some extent reproduce the basic features of the real environment. This paper presents a hardware in the loop test-rig, which allows to reproduce the dynamic interaction between pantograph and catenary. In particular, a real pantograph is coupled with a virtual simulated catenary. Using this laboratory set-up, the pantograph dynamics can be evaluated in conditions close to real ones. Some examples of application of the proposed test-rig are also presented.

Keywords: catenary; hardware in the loop; pantograph dynamics

Document Type: Research Article


Affiliations: Department of Mechanics, Politecnico di Milano, Milano, Lombardy, Italy

Publication date: September 1, 2008


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