Sökning: "Railway freight Transport"

Visar resultat 1 - 5 av 42 uppsatser innehållade orden Railway freight Transport.

  1. 1. From Manual to Robotic -Assessing the Potential Benefits of Automation in Railway Inspections and Maintenance

    Uppsats för yrkesexamina på grundnivå, Lunds universitet/Trafik och väg

    Författare :Benjamin Furberg; [2023]
    Nyckelord :Railway; Inspections; Maintenance; Robotics; Automation; Turnouts; Technology and Engineering;

    Sammanfattning : The railway industry plays a crucial role in the global freight transport and passenger mobility market, providing an efficient and low-emitting mode of transportation. However, to compete with other modes of transportation, the railway must improve its reliability. LÄS MER

  3. 2. Estimating the load weight of freight trains using machine learning

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Erik Kongpachith; [2023]
    Nyckelord :Railway freight Transport; Rail Vehicle Weighing; Y25 Bogie; Sdggmrss T3000eD; GENSYS; Machine Learning; Regression; Polynomial Regression; Regression Trees; Random Forest Regression; Support Vector Regression; Järnvägsgods transport; Vägning av järnvägsfordon; Y25 Bogie; Sdggmrss T3000eD; GENSYS; Maskininlärning; Regression; Polynom Regression; Regressionsträd; Random Forest Regression; Support Vector Regression;

    Sammanfattning : Accurate estimation of the load weight of freight trains is crucial for ensuring safe, efficient and sustainable rail freight transports. Traditional methods for estimating load weight often suffer from limitations in accuracy and efficiency. LÄS MER

  4. 3. Improved Bridge Load Capacity via Dynamic Train-Track-Bridge Interaction : Assessing the dynamic amplification factor caused by measured track irregularities for rail freight transport

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Muhannad Asaad; [2023]
    Nyckelord :;

    Sammanfattning : The carbon impact of transportation is large and requires sustainable solutions. With expected population growth, rail transportation plays a vital role in facilitating a greener Europe. The expansion of the rail infrastructure is therefore of essential importance for future challenges. LÄS MER

  5. 4. Digital Twins in Railways : State of the Art, Opportunities, and Guidelines

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för datavetenskap och medieteknik (DM)

    Författare :Ruth Dirnfeld; [2022]
    Nyckelord :Digital Twin; Railway Systems; Artificial Intelligence; Machine Learning; Guidelines; Systematic Literature Review;

    Sammanfattning : There is growing interest in the concept of digital twins (DTs) among software engineers and researchers. As an emerging topic, DTs are a promising paradigm to enhance the predictability, safety, and reliability of cyber-physical systems in different domains. LÄS MER

  7. 5. Parametric Studies of Train-Track-Bridge Interaction : An evaluation of the dynamic amplification due to track irregularities for freight transport

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Rasmus Elm Dahlman; Emil Lundberg; [2021]
    Nyckelord :Dynamics; dynamic amplification factor; railway bridge; train-track-bridge interaction; vehicle model; track irregularities; PSD; Dynamisk förstoringsfaktor; dynamik; järnvägsbroar; tåg-spår-bro interaktion; fordonsmodell; spårojämnheter; PSD;

    Sammanfattning : In this thesis a train-track-bridge interaction (TTBI) model is developed in order to study the dynamic amplification from track irregularities on railway bridges traversed by freight trains. These simulations are of great importance since rail freight transport is expected to increase in order to meet the climate goals. LÄS MER