| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an abnormality detection method and the like of bolster spring system, capable of appropriately detecting the abnormality during operation of a vehicle. <P>SOLUTION: The abnormality detection method of damping elements 24a, 34a of bolster spring systems 24, 34 disposed between a vehicle body 10 of railroad vehicle and carriages 20, 30 includes a step of: detecting a vertical direction acceleration and a pitching direction acceleration of a vehicle body; and determining the abnormality when the phase difference between the vertical direction acceleration and the pitching direction acceleration departs from the prescribed allowable range. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
