Sökning: "tåg delar"
Visar resultat 1 - 5 av 38 uppsatser innehållade orden tåg delar.
1. Staff Shortage on SJ Trains
Kandidat-uppsats, KTH/Matematisk statistikSammanfattning : This thesis is a case study in collaboration with SJ AB, a government owned railway companyin Sweden. The employees aboard the trains are an essential part of operating thetrains efficiently. Therefore, it is vital to forecast absences well in order to avoid havingto cancel train trips or having employees work over time. LÄS MER
2. Snabba godståg : En tidtabellsanalys i hastighetens betydelse för överflyttning av gods från väg till järnväg
Master-uppsats, KTH/TransportplaneringSammanfattning : Pandemier, krig och klimatlarm omvälver samhället och vårt levnadssätt genom sinakonsekvenser. När dessa konsekvenser ska mötas är frågan om lösningen ska vara ny ellerfinnas i det befintliga. Drivmedelspriserna blir en politisk fråga samtidigt som utsläppen skaminska. LÄS MER
3. Opportunities with Modular Systems in Level Crossings : A Case Study in the Swedish Railway Industry
Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)Sammanfattning : 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. LÄS MER
4. Predicting Short-term Absences of a Railway Crew using Historical Data
Master-uppsats, KTH/Matematisk statistikSammanfattning : Transportation via train is considered the most environmentally friendly way of traveling and is widely seen as the future of transportation. Canceled and delayed trains worsen customer satisfaction; thus, punctual trains are crucial for railway companies. LÄS MER
5. Speciell relativitetsteori i gymnasieskolan
Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Fysikundervisningens didaktikSammanfattning : Special relativity is a subject that attracts interest among students, but there are many things that make students experience it as difficult. As a physics teacher, it is important to both have a solid base of knowledge in physics as well as educational knowledge within the subject. LÄS MER