A Torsional Vibration Measurement Method for Rotating Blades Based on Blade Tip Timing

<div>Vibration simulation signal of the blade tip with bending of rigidity axis. (a) Original signal of torsion angle. (b) Undersampled signal of torsion angle.</div>

Shock and Vibration

fig18

Figure 18

Figure 18: A Torsional Vibration Measurement Method for Rotating Blades Based on Blade Tip Timing 