使用条件に即した信号設備の振動耐久性評価手法の検討

抄録

In recent years, new testing methods for evaluating vibration durability using random waves based on actual usage environments have been introduced in various technical fields. The current standard for vibration durability of railway signalling equipment (JIS E 3014) specifies only test methods using sine wave excitation, and until now, in the railway signalling field, there has been little progress in studying vibration durability tests using random waves that are suited to actual usage environments. In this paper, we present the physical characteristics and theoretical analysis results of random waves generated from vibration acceleration data obtained on-site, and report on the ideal form of vibration durability evaluation using random waves.