Changes in Evaluation Methods for Riding Comfort

Hideyuki TAKAI
A Meanin of the term "riding comfort" of passenger train varies widely. Generally it is said to mean vehicle vibration, but other factors, for example, cabin temperature or seat comfortability should not be neglected. On this subject, relation between vehicle vibration and passenger riding comfort cnstitute a main research item, and there are many studies published on evaluation method for riding comfort. Recently this problem becomes increasingly important because of today's needs for train speedup on curves. This paper reviews the changes in approach to these studies and today's research status.