1–20 of 73 hits
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    Yaw compensation and yaw relaxation controls for active steering of railway wheelsets via electromechanical actuators

    Free access
    Liu, Xiaoyuan / Goodall, Roger / Iwnicki, Simon | SAGE Publications | 2022
    It is known that good curving performance and stability often have conflicting requirements given a passive yaw stiffness of the wheelset ...

    Welding simulation of railway bogie frame side beam: Analyses of residual stresses, clamping forces, distortion and prediction of fatigue S-N curves

    Free access
    Afazov, Shukri / Mistry, Kaylan / Uzunov, Kamen | SAGE Publications | 2023
    -N curves with the proposed model showed close correlation with the S-N curves for class F and class F2 welds of the BS7608 standard ...

    Use of measured accelerations from a passenger rail car to evaluate ride quality and track roughness – A case study

    Free access
    Haji Abdulrazagh, Parisa / Hendry, Michael T / Gül, Mustafa et al. | SAGE Publications | 2022
    methods to assess the condition of existing infrastructure and determine where upgrades are required. In this study, acceleration data from the ...

    Use cases for obstacle detection and track intrusion detection systems in the context of new generation of railway traffic management systems

    Free access
    Hyde, Paul / Ulianov, Cristian / Liu, Jin et al. | SAGE Publications | 2022
    In this paper, the concept of Obstacle Detection and Track Intrusion Detection (OD&TID) systems related to the operation of trains is ...

    Track and catenary reconstruction from aerial images for the realistic analysis of rail electrification systems

    Free access
    Rebelo, JM / Antunes, P / Ambrósio, J et al. | SAGE Publications | 2024

    Currently, the modelling of the railway catenaries for straight tracks is well understood and demonstrated via an accepted number of

     ...

    Techno-economic analysis of freight railway electrification by overhead line, hydrogen and batteries: Case studies in Norway and USA

    Free access
    Zenith, Federico / Isaac, Raphael / Hoffrichter, Andreas et al. | SAGE Publications | 2020
    simulations, including the altitude profiles of the lines, air and rolling resistances, and locomotive tractive-effort curves. The composition of the ...

    Study on the braking distance of composite brake blocks covered with ice for freight trains in winter

    Free access
    Zhang, Yanjun / Liu, Zhendong / Stichel, Sebastian | SAGE Publications | 2023
    preventive measures. Up to now, it has not really been studied how a layer of ice that is often found between the brake block and the wheel ...

    Studying the transfer mechanisms of water based top-of-rail products in a wheel/rail interaction

    Free access
    Lee, Zing Siang / Trummer, Gerald / Harmon, Matthew et al. | SAGE Publications | 2024

    The railway industry uses top-of-rail products to control and manage the friction in the wheel/rail interface to help ensure efficient

     ...
    Keywords: Top-of-rail friction modifiers

    Sensitivity analysis for operating loads in fatigue design of railway vehicles

    Free access
    Kraft, Sönke / Lüdicke, Daniel | SAGE Publications | 2022
    For the reliable simulation-based fatigue design of railway vehicles, the operation conditions and resulting loads over the lifespan of the ...

      Sensitivity analysis for operating loads in fatigue design of railway vehicles

      Free access
      Kraft, Sönke / Lüdicke, Daniel | German Aerospace Center (DLR) | 2021
      For the reliable simulation-based fatigue design of railway vehicles, the operation conditions and resulting loads over the lifespan of the ...

    Selection and ranking of rail vehicle components for optimal lightweighting using composite materials

    Free access
    Mistry, PJ / Johnson, MS / Galappaththi, UIK | SAGE Publications | 2021
    identified the key components for lightweighting of rail vehicles using fibre reinforced polymer composite materials. A methodology used to select ...

    Review of the existing energy labelling systems and a proposal for rail vehicles

    Free access
    Liu, Zhendong / Berg, Mats / Bustad, Tohmmy | SAGE Publications | 2021
    energy labelling systems to have their products included. Globally, the transport sector consumes a great proportion of energy and is responsible ...

    Rethinking rail track switches for fault tolerance and enhanced performance

    Free access
    Bemment, Samuel D / Ebinger, Emma / Goodall, Roger M et al. | SAGE Publications | 2017
    laboratory. Details of the novel arrangement and concept are provided herein. This concept is considered as an advance on the state of the art. This ...

    Reliability-based life cycle costing analysis for embedded rails in level crossings

    Free access
    Shang, Yue / van den Boomen, Martine / de Man, Amy et al. | SAGE Publications | 2020
    asset management. In addition, it allows investigation of the impact of maintenance decisions on designing the service life of assets. The ...

    Redefining rail systems verification and validation: The safety/security STAIRCASE model

    Free access
    Bearfield, George / Van Gulijk, Coen / Thomas, Richard James | SAGE Publications | 2023
    Safety critical functions of the engineered railway need to perform at levels of integrity that are so high that an acceptable failure rate ...

    Reconstruction of an informative railway wheel defect signal from wheel–rail contact signals measured by multiple wayside sensors

    Free access
    Alemi, Alireza / Corman, Francesco / Pang, Yusong et al. | SAGE Publications | 2019
    wheels. Therefore, wheel impact load detectors exploit multiple sensors to collect samples from different portions of the wheels. The discrete ...

    Rail-wheel friction quantification and its variability under lab and field trial conditions

    Free access
    White, Ben / Lewis, Roger / Fletcher, David et al. | SAGE Publications | 2024
    environmental and contact conditions. The causes of this variance are partially documented, but it is not fully understood. Friction forces affect wheel ...

    Railway track switch simulation: a new dynamic model for studying actuator and switch blade dynamics

    Free access
    Li, Linxiao / Dutta, Saikat / Dixon, Roger et al. | SAGE Publications | 2023
    contributions that should be of use to researchers and engineers concerned with the design of switches and their actuation mechanisms. First, an ...

    Optimisation of wheelset maintenance by using a reduced flange wear wheel profile

    Free access
    Muhamedsalih, Yousif / Tucker, Gareth / Stow, Julian | SAGE Publications | 2023
    in service. The P8 was designed based on an average worn shape of a P1 wheel. The P8 was found to stay closer to its original shape as it ...

    Optimal intermittent electrification and its effect on battery sizing and energy saving using a high-fidelity train model

    Free access
    Abduraxman, Bilal M / Harrison, Tim / Ward, Christopher P et al. | SAGE Publications | 2023
    The fastest way to decarbonise traction energy of a railway network is full electrification of the network. However, full electrification ...

    Novel approach for validation of innovative modules for railway traffic management systems in a virtual environment

    Free access
    Liu, Jin / Ulianov, Cristian / Hyde, Paul et al. | SAGE Publications | 2022
    To increase operational efficiency, resilience and capacity of the railway system, the development of modern railway traffic management ...