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    Wyświetlanie 1-5 z 5
    Tytuł:
    Risks and safety in the operation of railway vehicles
    Autorzy:
    Grenčík, J.
    Volna, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/252238.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Naukowo-Wydawniczy TTS
    Tematy:
    risks
    safety
    railway vehicle
    FMEA methodology
    zagrożenie
    bezpieczeństwo
    pojazd szynowy
    metoda FMCEA
    Opis:
    The need for continuous improvement of product quality, reliability and safety arises from product specifications, government regulatory requirements, agency recommendations, legal implications and above all a company’s desire to improve its market position and customer satisfaction. These issues require product manufacturers to perform risk analyses that identify and minimize part/system failures throughout the product‘s life cycle. The FMEA methodology is one of the risk analysis techniques recommended by international standards. It is a systematic process to identify potential failures to fulfil the intended function, to identify possible failure causes so the causes can be eliminated, and to locate the failure consequences so the consequences can be reduced. As an example, FMECA of railway freight tank wagon has been done on which the most critical parts and are addressed, consequently measures to reduce the risk of failure mode in operation are proposed.
    Źródło:
    TTS Technika Transportu Szynowego; 2016, 12; 301-305
    1232-3829
    2543-5728
    Pojawia się w:
    TTS Technika Transportu Szynowego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential of possible tilting body trains usage in Slovakia from the energy consumption and travel time point of view
    Autorzy:
    Grenčík, J.
    Volna, P.
    Mikolajčík, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/311736.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    koleje słowackie
    ruch pasażerski
    prędkość pociągów
    Slovak railways
    passenger traffic
    train speed
    Opis:
    An important role of the railways at the moment is to increase the speed of passenger traffic. This task is because of inter-national agreements as well as the need to keep the competitiveness of railways in the transport market. The paper presents the opportunity to increase travel speed of passenger transport with using tilting body vehicles. For the selected section of the ŽSR lines travel times for vehicles with classic designs and tilting body vehicles were calculated. From their comparison a remarkable reduction of driving times showed up. Energy consumption of classical design vehicles and Pendolino type trains on the existing section of Slovak railway, considering the current speed limits and the theoretical speed limits for trains with tilting technology was assessed.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2016, 17, 6; 881-885
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementation of FMEA method in maintenance of semi-trailer combination
    Autorzy:
    Galliková, J.
    Poprocký, R.
    Volna, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/327942.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    FMEA
    failure mode and effect analysis
    risk priority number
    air brake system
    semitrailer
    liczba priorytetowa ryzyka
    pneumatyczny układ hamulcowy
    naczepa
    Opis:
    The paper deals with the proposal of new maintenance system on a semi-trailer combination. Analysis of wear and damage of air brake system components used on the semi-trailer combination based on Real experience from practice and creation of the FMEA analysis of the system using software support are presented. The need for continuous improvement of product quality, reliability and safety arises from product specifications, government regulatory requirements, agency recommendations, legal implications and above all a company’s desire to improve its market position and customer satisfaction. These issues require product manufacturers to perform risk analyses that identify and minimize part/system failures throughout the product‘s life cycle. The FMEA methodology is one of the risk analysis techniques recommended by international standards. It is a systematic process to identify potential failures to fulfil the intended function, to identify possible failure causes so the causes can be eliminated, and to locate the failure consequences so the consequences can be reduced.
    Źródło:
    Diagnostyka; 2016, 17, 4; 85-92
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Examining the condition of the ball and the ball track on the heavy machine ZP6600
    Autorzy:
    Blata, J.
    Šeděnka, D.
    Kašiar, L.
    Volna, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/327332.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    ball track
    material exam
    state of tenseness
    contact tension
    maszyna górnicza
    tor kulki
    materiał
    stan naprężenia
    naprężenie kontaktowe
    Opis:
    The article deals with the examination of the state of the ball track at the heavy machine ZP 6600/Z79. This kind of machines are located in Doly Bílina. Article presents results of material exams which were taken on given samples and it describes the progress and results of the numeric calculations for the state of tenseness. The material tests were realized in an external cooperation. The numeric simulation of the tenseness was made in the VÚHU a. s. on the 3D model of the contact by a method of the ultimate elements. The used method works with the ending parts at the bottom of part of the ball track when it touches the ball. To determine the internal and contact forces in the ball and the bottom part of the ball track we used the software called COSMOS/DesignStar ver. 6.0. The result was an evidence for the decision about the depth of the turned layer of the material in order to create a new groove of the bottom part of the ball track.
    Źródło:
    Diagnostyka; 2017, 18, 3; 85-91
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    FMEA analysis of combustion engine and assignment occurrence index for risk valuation
    Autorzy:
    Poprocký, R.
    Galliková, J.
    Stuchlý, V.
    Volna, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/328215.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    FMEA
    combustion engine
    occurrence
    risk
    silnik spalinowy
    ryzyko
    Opis:
    The need for continuous improvement of product quality, reliability and safety arises and above all a company’s desire to improve its market position and customer satisfaction. These issues require product manufacturers to perform risk analyses that identify and minimize part/system failures throughout the product‘s life cycle. In the paper we will apply the Failure Modes and Effects Analysis (FMEA) for analysis of combustion engine failures. We analyzed 15 different types of cars in which the 2.0 TDI was equipped. On the basis of the obtained data, we evaluated the most disturbing parts of the combustion engine and on these elements we determined the probability of occurrence of a fault which is one of the factors determining the Risk Priority Number (RPN).
    Źródło:
    Diagnostyka; 2017, 18, 3; 99-105
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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