Synchronous Vibration Parameters Identification of Variable Rotating Speed Blades Based on New Improved Two-Parameter Method without OPR Sensor

<div>Blade tip-timing vibration measurement system: (a) vibration test device; (b) signal acquisition and processing system.</div>

Shock and Vibration

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Figure 9

Figure 9: Synchronous Vibration Parameters Identification of Variable Rotating Speed Blades Based on New Improved Two-Parameter Method without OPR Sensor 

Figure 9 | Synchronous Vibration Parameters Identification of Variable Rotating Speed Blades Based on New Improved Two-Parameter Method without OPR Sensor 