Railway sleeper vibration measurement by train‐borne laser Doppler vibrometer and its speed‐dependent characteristics
Y. Zeng,
A. Núñez,
Z. Li
Abstract:A train‐borne laser Doppler vibrometer (LDV) directly measures the dynamic response of railway track components from a moving train, which has the potential to complement existing train‐borne technologies for railway track monitoring. This paper proposes a holistic methodology to characterize train‐borne LDV measurements by combining computer‐aided approaches and real‐life measurements. The focus is on the speed‐dependent characteristics because the train speed affects the intensity of railway sleeper vibratio… Show more
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