Patent ID: 11879814
Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 6:
7. The system of claim 1, wherein the modal parameter analyzer comprises:
an input/output interface coupled to the first laser Doppler vibrometer and the second laser Doppler vibrometer to receive at least a portion of the vibration data captured by first laser Doppler vibrometer and the second laser Doppler vibrometer;
a processor;
a memory storing program instructions that when executed by the processor cause the processor to:
determine, based on the received vibration data, that vibration amplitudes, mode shapes, damping ratios, or a natural frequency derived from the received vibration data are indicative of the presence of an internal defect in the railway track.