Development of damper to control the overshoot of car-body tilting for railway vehicle

Abstract

Large overshoot sometimes occurs during use of air-spring car-body tilting by which a car-body is tilted using inflated or deflated air-springs. The large overshoot causes the contact loss between the pantograph and the contact wire. Therefore, we developed a controlling method of the overshoot by using the vertical motion damper equipped in parallel with the air-spring. The detail of the vertical motion damper, the controlling effect of the damper on the overshoot, and the overview of the running test is described in this paper.