Efficiency and Robustness in Railway Operations

Simon Henry Bull

    Research output: Book/ReportPh.D. thesis

    1418 Downloads (Pure)


    Passenger railway transport is an effective means of providing high capacity
    transport that is energy efficient and has low emissions. As the population of
    Denmark grows and there is an increased request for mobility, there is a need
    for railway services offering greater capacity and more reliability. Offering
    these services presents a challenging sequence of planning problems for
    operators. These range from problems considered on a daily basis to planning
    for years in the future, with different problems interacting and influencing
    each other.
    Operations research methods can be used to effectively model, investigate,
    and solve railway planning problems. Despite advances in computational
    power these large problems are still challenging to solve, especially as more
    modelling detail is sought. Within a Danish context this thesis seeks to apply
    operations research methods to different planning problems beyond past
    approaches, and where applicable, investigate solution methods that place
    more focus on the passenger and passenger experience. To cater to the growing
    demand for rail transport, and compete with different modes of transport,
    Danish railway operators must offer a consistent, reliable service, that is well
    planned from both a passenger and operator perspective. This thesis therefore
    considers different planning problems within passenger railway considering
    robustness of the system, and efficiency and optimality from the point of view
    of the passenger or operator.
    The contributions of the thesis are in the investigation of robustness in railway,
    the application of optimization to a number of railway planning problems, and
    a detailed consideration of the specific concerns of Danish railway services.
    These contributions are summarised in the introductory chapter, and in the
    latter part of the thesis are given in each chapter.
    Original languageEnglish
    PublisherDTU Management Engineering
    Number of pages250
    Publication statusPublished - 2016


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