Essays about: "järnväg"

Showing result 1 - 5 of 89 essays containing the word järnväg.

  1. 1. Data analytics and machine learning for railway track degradation: Using Bothnia Line track measurements for maintenance forecasting

    University essay from KTH/Väg- och spårfordon samt konceptuell fordonsdesign

    Author : Elie Roudiere; [2024]
    Keywords : Railway; Track geometry; Machine learning; Statistics; Predictive maintenance; Botniabanan; Järnväg; spårgeometri; maskininlärning; statistik; förebyggande underhåll; Botniabanan;

    Abstract : In this paper, a statistical method is developed to improve predictive maintenance on railway track. The problem tackled is being able to predict when the next maintenance event should take place to guarantee a certain track quality class. READ MORE

  3. 2. Epidemiological survey of moderators moderators for railway noise annoyance

    University essay from KTH/Teknisk akustik

    Author : Tagiadin Assenai; [2023]
    Keywords : Akustik; psykoakusti; bullerstörningar; järnväg; ljudstörningar;

    Abstract : The disturbance caused by railway noise has been investigated in this paper. A total of 127residents living near the Västra Stambanan were interviewed, and the noise levels from NordiskaBeräkningsmodellen were compared with the perceived disturbance. The results of the studyindicate a correlation between indoor noise levels and disturbance. READ MORE

  4. 3. Flexible project management in highly regulated railway signaling projects

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Teresa Talio; [2023]
    Keywords : Signalling; Railway; System development; Systems Engineering; Lean Philosophy; Stage-Gate Process; Signalering; järnväg; systemutveckling; systemteknik; Lean-filosofi; Stage-gate-processen;

    Abstract : Railway is a complex system, with many components that are linked with one another. If a failure occurs in a sub-system, it can affect the functionality and the safety of the whole. Signalling represents a crucial component of the railway system because it ensures safety, and it can optimize capacity on the lines. READ MORE

  5. 4. Challenges in the Maintenance and Diagnostic Segment of Digital Asset Management in the Swedish Railway Industry

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Salam Adeeb; Marwan Ouali; [2023]
    Keywords : Railway Digital Asset Management; remote monitoring; condition-based maintenance; predictive maintenance; Digital tillgångsförvaltning; prediktivt underhåll; tillståndsbaserat underhåll; diagnostik;

    Abstract : Just like the rest of society, the use of digital technology has throughout the years become a more crucial part for train companies to improve performance, meet customer demands, improve operation and maintenance processes to increase efficiency and reliability. These solutions have through time developed to become part of a cluster named Digital Asset Management (DAM). READ MORE

  6. 5. Opportunities with Modular Systems in Level Crossings : A Case Study in the Swedish Railway Industry

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Marcus Ankaräng; [2023]
    Keywords : level crossing; railway; modular system; systems engineering; systems development; plankorsning; järnväg; modulsystem; systemteknik; systemutveckling;

    Abstract : Level crossings are a dangerous part of railways, causing several deaths every year. While the safest solution is to remove crossings altogether using bridges or tunnels, this is complicated and cannot be done on a large scale. Many level crossings will therefore continue to exist. READ MORE