The Vehicle Research Group, RTRI, is now promoting researchers on various subjects to improve the performance of railway vehicles in service. This paper introduces the current status and several important points of the development activities at the Vehicle Structure Technology Division, RTRI, such as evaluation of strength of laser weld in car body structure, double action rubber draft gear with damping devices, researches on the suppression of flexural vibration of car body, studies to suppress vertical vibration of railway vehicles by controlling the force of axle dampers, crashworthiness of a light weight stainless steel car body structure.

Copyright (c) 2006 Railway Technical Research Institute