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Abstract

A method is for controlling the quality of a wind turbine rotor blade. The method includes: manufacturing of a wind turbine rotor blade at a manufacturing site, placing the wind turbine rotor blade on a support at the manufacturing site, applying a dynamic load to the wind turbine rotor blade while the wind turbine rotor blade is placed on the support in order to excite a vibration of the wind turbine rotor blade, detecting the vibration of the wind turbine rotor blade, determining an eigenfrequency of the wind turbine rotor blade based on the detected vibration, comparing the determined eigenfrequency with an expected eigenfrequency of the wind turbine rotor blade and evaluating the quality of the wind turbine rotor blade based on the results of the comparison.

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First Claim