PC sleep deterioration determination system and PC sleep deterioration determination method

摘要

PROBLEM TO BE SOLVED: To provide a PC sleeper deterioration determination system in which a deterioration situation of a PC sleeper can be grasped more easily.SOLUTION: A PC sleeper deterioration determination system comprises: a microphone for acquiring sound generated by the vibration to the PC sleeper; a natural frequency detection unit for detecting natural frequency of the third flexure mode of the PC sleeper on the basis of the sound acquired by the microphone; and a deterioration determination unit for determining that the PC sleeper is deteriorated when a determination is made that the natural frequency of the third flexure mode detected by the natural frequency detection unit is a lower frequency than a predetermined condition.SELECTED DRAWING: Figure 2