Sökning: "railroad maintenance"

Visar resultat 1 - 5 av 26 uppsatser innehållade orden railroad maintenance.

  1. 1. A Deep Learning Based Approach to Object Recognition from LiDAR Data Along Swedish Railroads

    Master-uppsats, KTH/Fastigheter och byggande

    Författare :Egil Morast; [2022]
    Nyckelord :Deep learning; DGCNN; LiDAR; Object recognition; Railroad; Automatisation; Sweden; Point cloud; Djupinlärning; DGCNN; LiDAR; Objektigenkänning; Järnväg; Automatisering; Sverige; Punktmoln;

    Sammanfattning : Malfunction in the overhead contact line system is a common cause of disturbances in the train traffic in Sweden. Due to the preventive methods being inefficient, the Swedish Transport Administration has stated the need to develop the railroad maintenance services and has identified Artificial Intelligence (AI) as an important tool for this undertaking. LÄS MER

  3. 2. Perennparken på Österplan : naturlika perennplanteringar i Uppsala

    Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Urban and Rural Development

    Författare :Elias Stålnacke; [2021]
    Nyckelord :gestaltning; växtgestaltning; naturlik; plantering; perenner; park; Österplan; Uppsala;

    Sammanfattning : Landskapet i städer idag ser väldigt annorlunda ut jämfört med naturen utanför. Ökad täthet i det urbana landskapet innebär nya utmaningar för plantering inne i städer. Under åren har den miljön förändrats drastiskt och en allt större markyta har hårdgjorts. LÄS MER

  4. 3. Interferometric Synthetic Aperture Radar For Track Condition Monitoring. Case Study on Malmbanan

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Trafik och väg

    Författare :Kara Åmerbilly; [2021]
    Nyckelord :InSAR; railway; maintenance; underhåll; järnväg; Technology and Engineering;

    Sammanfattning : There is over 15,000 km of track in the Swedish railroad network. This network is vital for the transport of people and goods across the country. It is important that this network is monitored and maintained to ensure good function and safety. LÄS MER

  5. 4. Utformning och användning av växlingsgator på bangårdar, med hänsyn till arbetsmiljön : Ett förslag till regelverk

    Kandidat-uppsats, KTH/Byggteknik och design

    Författare :Kimberly Cartes; Phatcha Petchrod; [2020]
    Nyckelord :Walking ways on railroad yards; railroad yard; switchyard operators and working environment;

    Sammanfattning : Presently there are extremely high expectations on the railway in Sweden. As a result of the political will to strengthen the railways position in the transport market, a number of major railway projects have therefore been decided. However, the political ambition has also resulted in a greater need of capacity than before. LÄS MER

  7. 5. Modeling fault probability in single railroad turnouts in Eastern Region, Sweden, with the use of logistic regression models : A step from preventive to predictive preventive maintenance in railway maintenance planning

    Master-uppsats, KTH/Transportplanering

    Författare :Filipp Zarov; [2019]
    Nyckelord :maintenance planning; railway turnouts; malfunction probability modeling; object-oriented databases; logistic regression models; underhållsplanering; spårväxlar; felsannolikhet modellering; objektorienterad databas; logistiska regressionsmodeller;

    Sammanfattning : Turnouts are an important part of railway infrastructure for two reasons: infrastructure andmaintenance. For the infrastructure they provide the flexibility to allow the formulation and branchingof railway network and for maintenance they consume a large part of maintenance budget and have aprominent place in maintenance planning policy and activities. LÄS MER