Roller rig tests of a semi-active suspension system for a railway vehicle

Traditional suspension system of a railway vehicle has usually a constant characteristic for all running conditions, and in general it cannot meet continuously rising requirements concerning ride comfort, running safety, and high speed. In this paper, we present a semi-active suspension system for a railway vehicle to improve a ride comfort under various running conditions. Hardware and software of the semi-active suspension system are realized, and the improvement of ride quality performance is confirmed through roller rig tests.

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