Browsing by Author "Oumer, Mohammed"

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    Evaluation of Current Trends of High Speed Trains Brake System
    (Addis Ababa University, 2014-04) Oumer, Mohammed; Demiss, Alemu (PhD); Tsegaye, Feleke (Mr.) Co-Advisor
    The research aims reviewing currently available braking systems on different high speed trains which are found around the world and finally evaluates such systems using one of the Multicriteria decision making method TOPSIS. To do so various factors useful for evaluation were selected and utilized after examining different literatures. The result show that a significant importance of regenerative brake followed by rheostatic, eddy current E-P and magnetic track brakes. The result can help planners and engineers to conduct preliminary general assessments concerning the suitability of the five brake system, to develop tools for evaluation, to assess different brake system for a given high-speed train, and also helpful for anyone who engaged with train braking. The result obtained is satisfactory and currently 82.35% of high speed trains around the world use regenerative brake system.