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    Wyświetlanie 1-2 z 2
    Tytuł:
    Application of an improved bowtie method in a CMS-compliant risk assessment of a change introduced in the EU railway system
    Autorzy:
    Smoczyński, Piotr
    Gill, Adrian
    Kadziński, Adam
    Laur, Martin
    Õun, Tambet
    Powiązania:
    https://bibliotekanauki.pl/articles/2203896.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    signal
    danger
    train driver
    bowtie method
    common safety method
    sygnał
    niebezpieczeństwo
    maszynista
    metoda bowtie
    wspólna metoda bezpieczeństwa
    Opis:
    The issue of managing the risk associated with introducing changes to the railway system is very important from the point of view of safety management, as any change can significantly reduce the level of safety of a railway system. For this reason, such changes are regulated at the European Union (EU) level through a dedicated legal act known as the Common Safety Method for risk assessment (CSM). The example presented in this paper is a portion of the analysis carried out for an Estonian freight carrier with a bowtie method, which we improved so that it fully complies with the CSM requirements. This analysis concerns a change consisting of allowing the possibility of a freight train being driven by one person (with no assistant driver). The case study presented in the paper, although limited due to confidentially issues, allows a full description of how to use the proposed method in real-world applications.
    Źródło:
    Transport Problems; 2022, 17, 2; 127--136
    1896-0596
    2300-861X
    Pojawia się w:
    Transport Problems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Specifics of the traffic scene identification problem observed at level crossings, analysed from the train driver’s perspective
    Autorzy:
    Młyńczak, Jakub
    Folęga, Piotr
    Celiński, Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1832915.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    level crossing
    train driver
    railway crossing observation
    3D analysis
    traffic scene
    eye tracking devices
    przejazd kolejowy
    maszynista
    obserwacja przejazdu kolejowego
    analiza 3D
    śledzenie ruchu gałek ocznych
    Opis:
    Level crossing is an element of the transport infrastructure of a particular type. This is where streams of regulated and unregulated traffic interact. Vehicles of regulated, rail traffic affect on unregulated, road traffic vehicles. This process takes place over a relatively small area. But the associated processes are concerned with long distances and medium speeds. Importantly, the impact may be mutual (mainly on level crossing cat. D). Consequently, a number of diverse problems can be observed at level crossings as well as in their direct vicinity. One of them is very particular, since its intensity and scale are significantly higher compared to other points of the transport network. This is a problem of how the sight organs of a rail vehicle driver function. At level crossings, a rail vehicle driver is incapable of registering all events connected with moving objects in a horizontal plane of the field of view (often, dozens or hundreds of vehicles and pedestrians, rail vehicles, signs etc.). Especially in agglomeration areas, near the railway stations, people may violently trespass into the tracks. Before reaching a level crossing, the driver’s sight organs perform specific movements of variable dynamics, having a direct impact on the traffic safety. Given the context in question, the article discusses the methods used to measure the characteristics of the train driver’s sight organs by means of eye tracking devices. The measured characteristics are: saccadic movements, fixation point locations, blinking etc. The relevant studies were supported by using additional equipment and techniques, including visual and vibroacoustic ones. These studies have been illustrated with reference to the measurements performed in different sections of the railway network. The aim of the research was to analyse the behaviour of drivers of traction vehicles. The research results have been discussed in quantitative terms, thus introducing several new descriptive characteristics. The data thus obtained, e.g. concerning the functions of the driver’s sight organs, have been analysed using numerical data set characteristics. With regard to the context this article the authors also conduct research addresses measurements of the characteristics of the road vehicle driver’s sight organs performed by means of eye tracking devices.
    Źródło:
    Archives of Transport; 2021, 58, 2; 81-97
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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