Procházení Acta Polytechnica CTU Proceedings. 2022, vol. 35 dle data publikování

Zobrazují se záznamy 1-10 z 10

    • Kalker’s coefficient c11 and its influence on the damping and the retuning of a mechanical drive torsion system of a railway vehicle 

      Autor: Dybala, Vojtěch
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      Within the research of electromagnetically excited torsion oscillations in the mechanical part of traction drive systems of modern railway vehicles, which has been realized at the Faculty of mechanical engineering at the ...

    • Comprehensive verification of the behavior of the continuous welded rail on the bridge 

      Autor: Vendel, Jiří; Plášek, Otto; Valehrach, Jan; Říha, Tomáš; Mach, Václav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The aim of this paper is to verify the real behavior of the continuous welded rail on the bridge with a longer expansion length than allowed by Czech national regulations. Special attention is focused on the rate of ...

    • Accident rate of regional railway vehicles at railway crossings for the years 2014 to 2018 

      Autor: Seidl, Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      From a societal point of view, there are growing demands to increase traffic safety and reduce the risk of accidents of rail and road vehicles. The research to increase the safety of railway vehicles, which is carried out ...

    • The long-pitch corrugation development in small radii curves 

      Autor: Valehrach, Jan; Říha, Tomáš; Vendel, Jiří; Plášek, Otto
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The paper deals with the phenomenon of long-pitch corrugation in curves of the small radii and also the effects that accelerate or slow down its development. The paper presents data from sections of railway track measured ...

    • The Railway 4.0 Concept – the vision of a digital railway in the Czech Republic (CR) 

      Autor: Leso, Martin
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The paper presents a new alternative approach to the modernization of control and safety technologies on the railway network in the Czech Republic, referred to as the "The Railway 4.0 Concept". The presented concept is ...

    • Modern railways for the 21st century – a challenge not only for designers 

      Autor: Kolář, Josef
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The paper outlines the basic goals for modern rail transport in the Czech Republic. This contribution points out some challenges and technical tasks that project engineers and operators of the rail transport in the Czech ...

    • Comparison of selected parameters for evaluation of rail surface damage intensity 

      Autor: Šlapák, Jiří; Michálek, Tomáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This paper deals with the issue of evaluation of a rail surface damage (RSD) intensity. Some ways of calculating parameters that represent the RSD are described. In this context, a multi-body model of a railway vehicle was ...

    • Digital Track Map for the VEXA expert system 

      Autor: Hlubuček, Adam
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      This paper aims to summarize possible solutions of a Digital Track Map proposal, designed to become a data source for the VEXA decision-making system. The VEXA project is carried out in cooperation of the Department of ...

    • Railway track deflection analysis by using evolutionary algorithms 

      Autor: Kulich, Pavel; Plášek, Otto
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      In contrast to numerical methods, analytical modelling of the railway track is one of the less time-consuming and computationally demanding methods which, in combination with the computing power commonly available today, ...

    • Construction 4.0 in the concept of the railway 

      Autor: Krupík, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2022)
      The digital and technological innovations that have been developing massively in recent years are often referred to as the 4th Industrial Revolution or Industry 4.0. The construction industry seems to be somewhat on the ...