61–73 of 73 hits
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    A decentralized approach to formation flight routing of long-haul commercial flights

    Free access
    Verhagen, Collin MA / Visser, Hendrikus G / Santos, Bruno F | SAGE Publications | 2019
    This paper describes the development of an optimization-based cooperative planning system for the efficient routing and scheduling of ...

    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 ...

    Evaluation of air quality at the Birmingham New Street Railway Station

    Free access
    Hickman, AL / Baker, CJ / Cai, X et al. | SAGE Publications | 2018
    made at the Birmingham New Street station, a major rail interchange in the Midlands of England, with a mix of diesel and electric train ...
    Keywords: oxides of nitrogen

    Improving the performance of finite element simulations on the wheel–rail interaction by using a coupling strategy

    Free access
    Ma, Yuewei / Markine, Valeri L / Mashal, Abdul Ahad et al. | SAGE Publications | 2018
    Over the past few years, a number of implicit/explicit finite element models have been introduced for the purpose of tackling the problems ...

    Improving the reliability and availability of railway track switching by analysing historical failure data and introducing functionally redundant subsystems

    Free access
    Bemment, Samuel D / Goodall, Roger M / Dixon, Roger et al. | SAGE Publications | 2018
    , the aeronautical and nuclear industries. This paper models the adoption of a functional redundancy approach to the functional subsystems of ...

    Behaviour of under sleeper pads at switches and crossings – Field measurements

    Free access
    Le Pen, Louis / Watson, G / Hudson, A et al. | SAGE Publications | 2018
    Major growth in rail traffic in many parts of the world in recent years has brought railway networks close to capacity and restricted the ...

    Experimental analysis of railway track settlement in transition zones

    Free access
    Wang, Haoyu / Markine, Valeri / Liu, Xiangming | SAGE Publications | 2018
    stiffness and settlement in the open track and the engineering structure resulting in the dynamic amplification of the wheel forces, track ...

    Automated processing of railway track deflection signals obtained from velocity and acceleration measurements

    Free access
    Milne, David / Pen, Louis L / Thompson, David et al. | SAGE Publications | 2018
    Measurements of low-frequency vibration are increasingly being used to assess the condition and performance of railway tracks ...

    Effect of wheel–rail interface parameters on contact stability in explicit finite element analysis

    Free access
    Ma, Yuewei / Markine, Valeri L / Mashal, Abdul Ahad et al. | SAGE Publications | 2018
    It is widely recognized that the accuracy of explicit finite element simulations is sensitive to the choice of interface parameters (i.e ...

    Estimating the relative cost of track damage mechanisms: combining economic and engineering approaches

    Free access
    Smith, Andrew / Iwnicki, Simon / Kaushal, Aniruddha et al. | SAGE Publications | 2017
    This paper proposes a new, two-stage methodology to estimate the relative marginal cost of different types of vehicles running on the rail ...

    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 ...

    A review of key planning and scheduling in the rail industry in Europe and UK

    Free access
    Turner, Christopher / Tiwari, Ashutosh / Starr, Andrew et al. | SAGE Publications | 2016
    techniques over the last 25 years. Increasingly, the use of computational intelligence in such tasks is featuring more heavily in research ...

    Investigating railway track asset management using a Markov analysis

    Free access
    Prescott, Darren / Andrews, John | SAGE Publications | 2015
    A railway track asset management strategy must ensure that the condition of the track stays at an acceptable level, ensuring passenger ...