4.1 - Non-intrusive In-flight Propeller Blade Deformation Measurements by Means of a Rotating Camera

F. Boden & B. Stasicki
The Image Pattern Correlation Technique (IPCT) is a powerful optical tool to measure the surface shape and deformation of aircraft structures, e.g. wings, propeller or rotor blades, non-intrusively in flight. The latest development of this technique is its application to 360° propeller deformation measurements. Therefore a special stereo camera system rotating with the propeller at its full rotational speed was designed, whereby the system was exposed to extreme vibration and centrifugal forces. By beginning of...
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