Search for dissertations about: "tamping"

Showing result 1 - 5 of 8 swedish dissertations containing the word tamping.

  2. 1. Leveraging Data-Driven and Alignment Techniques for Optimal Railway Track Maintenance Scheduling

    Author : Mahdi Khosravi; Alireza Ahmadi; Uday Kumar; Iman Soleimanmeigouni; Anders Ekberg; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Railway tracks; degradation; maintenance; tamping; track geometry; planning and scheduling; alignment; Operation and Maintenance Engineering; Drift och underhållsteknik;

    Abstract : The railway infrastructure plays a pivotal role in fostering economic growth and poverty alleviation. Over time, these infrastructures deteriorate due to aging and usage, compromising their functionality. Given their crucial socioeconomic significance and vast scale, ensuring their functionality and availability is paramount. READ MORE

  4. 2. Data-driven models for railway track geometry maintenance

    Author : Hamid Khajehei; Alireza Ahmadi; John Andrews; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Data-driven models; degradation; maintenance; tamping; track geometry; planning and scheduling; railway infrastructure; Drift och underhållsteknik; Operation and Maintenance;

    Abstract : Railways are currently experiencing higher demands on safety, infrastructure performance, network capacity and service quality, etc. As a result, a high level of track availability, service quality and infrastructure robustness against unexpected events is required, at reduced cost, to meet the demands. READ MORE

  5. 3. Predictive Models for Railway Track Geometry Degradation

    Author : Iman Soleimanmeigouni; Alireza Ahmadi; Nalinaksh S. Vyas; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Data-driven models; Degradation; Inspection; Maintenance; Predictive analytics; Tamping; Track geometry; Railway infrastructure; RAMS; Drift och underhållsteknik; Operation and Maintenance;

    Abstract : Railways are a vital and effective means of mass transportation and play a vital role in modern transportation and social development. The benefits of the railway compared to other transportation modes are a high capacity, high efficiency and low pollution, and owing to these advantages, railways are nowadays experiencing a higher demand for the transportation of passengers and goods. READ MORE

  6. 4. Optimization of track geometry maintenance : a study of track geometry degradation to specify optimal inspection intervals

    Author : Iman Arasteh khouy; Per-Olof Larsson-Kråik; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Abstract : Railway infrastructure is a complex system which comprises different subsystems. Long useful life span is one of the important aspects of this prime mode of transport. The useful life length of its assets is highly dependent on the maintenance and renewal strategy used during its life cycle. READ MORE

  7. 5. Prognostics and Health Management of Engineering Systems for Operation and Maintenance Optimisation

    Author : Madhav Mishra; Matti Rantatalo; Kai Goebel; Kalevi Huhtala; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Prognostics and Health Management PHM ; Diagnostics; Prognostics; Bayesian; Hierarchical; L10; Prediction; Bearing; Li-ion battery; RUL; Particle filter; Model-based; Data-driven; Algorithms; Railway track geometry; Operation and Maintenance Engineering; Drift och underhållsteknik;

    Abstract : Prognostics and health management (PHM) is an engineering discipline that aims to maintain system behaviour and function and ensure mission success, safety and effectiveness. Prognostics is defined as the estimation of remaining useful life. READ MORE