Essays about: "railroads"

Showing result 1 - 5 of 19 essays containing the word railroads.

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

    University essay from KTH/Fastigheter och byggande

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

    Abstract : 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. READ MORE

  3. 2. Using Machine Learning as a Tool to Improve Train Wheel Overhaul Efficiency

    University essay from Linköpings universitet/Medie- och Informationsteknik; Linköpings universitet/Tekniska högskolan

    Author : Oskar Gert; [2020]
    Keywords : Machine Learning; Industry 4.0; Hyperparameter tuning; XGBoost;

    Abstract : This thesis develops a method for using machine learning in a industrial pro-cess. The implementation of this machine learning model aimed to reduce costsand increase efficiency of train wheel overhaul in partnership with the AustrianFederal Railroads, Oebb. READ MORE

  4. 3. Permanenta klätterväxlar – en undersökning : Denna rapport innehåller intervjuer, litteraturstudie samt en fältundersökning med ljudnivåmätning

    University essay from KTH/Byggteknik och design

    Author : Goran KLENCOVLJEVIC; MD Shuvo Khan; [2020]
    Keywords : Railway switch; flange bearing technology; sound level measurement; noise interference;

    Abstract : Swedish railway network is old, it is in need for maintenance and there is an ever-increasing volume oftraffic on todays railroads. Special trackwork component has taken increased abuse, leading to a stop intrain traffic and many delays occur, especially during the winter season. READ MORE

  5. 4. Iron Horses of Democracy

    University essay from Uppsala universitet/Statsvetenskapliga institutionen

    Author : Ronja Tallmyren; [2020]
    Keywords : ;

    Abstract : A decline in railroad-building occurred in the 20th century, which made the world think of railways as something attributed to the 19th century. In the 21st century, however, so many new railway projects are planned all over the world, that I choose to call this ‘the world’s second wave of railway development’. READ MORE

  6. 5. Dynamic Analysis of Portal Frame Railway Bridges - Case Studies Investigating the Structural Response

    University essay from Lunds universitet/Avdelningen för Konstruktionsteknik; Lunds universitet/Institutionen för bygg- och miljöteknologi

    Author : Benjamin Berg; Pontus Nyberg; [2020]
    Keywords : Dynamic Analysis; Portal Frame Bridges; High Speed Trains; Railway Bridges; Finite Element; Resonance; Modal Analysis; BRIGADE Plus; Technology and Engineering;

    Abstract : As the world continues to see an increase in carbon dioxide emissions, actions aiming towards reducing man's negative impact on the environment are paramount. To be able to compete with the air travel industry, the Swedish Transport Administration suggests a vast expansion of the existing railway system. READ MORE