Verfahren und System zur Bestimmung eines Vertikalen Profils einer Schienenfläche

Details

Veröffentlichungs-Nr.

EP3219574

Aktenzeichen

EP16205328

Anmeldetag

20. Dezember 2016

Veröffentlichung

7. November 2018

Erteilung

7. November 2018

Rechtsraum

EP

IPC

B61L23/04B61L25/02

Abstract

The present invention defines a method of determining a vertical profile signal z of a rail surface, comprising: - a step (100) of obtaining a vertical acceleration signal acc 1 , by measuring vertical acceleration of a bogie of a rail vehicle that runs on the rail surface; - a step (200) of processing the vertical acceleration signal acc 1 to obtain a vertical velocity signal vel 1 ; - a step (300) of determining the vertical profile signal of the rail surface, by using the vertical acceleration signal acc 1 and the vertical velocity signal vel 1 as inputs to a simulation model of the bogie, said model comprising an unsprung mass m 1 connected to a sprung mass m 2 , wherein the vertical acceleration signal acc 1 represents the vertical acceleration of the unsprung mass m 1 ; and - a step (400) of measuring a linear velocity signal n of the rail vehicle, wherein the linear velocity signal is used in the step of determining (300) to convert the vertical profile signal z from the time domain to the distance domain.

Anmelder

Firma

Aktiebolaget SKF

Land

🇸🇪 Schweden

Fachgebiete