Advanced search
Showing result 1 - 5 of 101 essays matching the above criteria.
-
1. Vehicle dynamics modelling of electromagnetic suspensions for MAGLEV applications
University essay from KTH/Väg- och spårfordon samt konceptuell fordonsdesignAbstract : MAGnetic LEVitation Guidance System (MAGLEV) technology was commercially introduced relatively recently in the guided transport field. It is based on removing the wheels and rails of classic railway systems and supporting and guiding the train with magnets and magnetic forces instead. READ MORE
-
2. Staff Shortage on SJ Trains
University essay from KTH/Matematisk statistikAbstract : 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. READ MORE
-
3. Development and Analysis of Small Signal DQ-Frame Model for Low Frequency Stability of Train Converters
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : In order to meet the increasing demand for sustainable transportation, trains need to run with tighter schedules, more departures and more trains in depot. Multiple trains in depot has been linked to low frequency instability at many locations around the world. READ MORE
-
4. Simultaneous scheduling of railway maintenance and trains : Modelling and solving train interactions close to a maintenance operation
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : Rail transport plays a key role in the mobility of passengers and goods. It is expected to grow the decarbonization of society. In that context, it is important to use the railway network efficiently, and jointly planning trains and network maintenance allows for better use of resources. READ MORE
-
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)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