METHOD FOR ANALYZING MEASURED SIGNAL IN RESONANCE FATIGUE TEST AND APPARATUS USING THE SAME

摘要

A method and apparatus for analyzing a measured signal are provided in a resonance fatigue test that causes a complicated behavior and nonsymmetrical bending of a test article such as a wind turbine blade due to a coupling effect. In the method, a processor of the apparatus receives the measured signal from each of at least two measurement sensors attached to the test article and then extracts a moment load from the received measured signal by considering all of a first measured value in a first direction due to a first direction load, a second measured value in a second direction due to the first direction load, a third measured value in the first direction due to a second direction load, and a fourth measured value in the second direction due to the second direction load.

主权项

1. A method for analyzing a measured signal in a resonance fatigue test of a test article, the method comprising steps of:
receiving the measured signal from each of at least two measurement sensors attached to the test article; and extracting a moment load from the received measured signal by considering all of a first measured value in a first direction due to a first direction load, a second measured value in a second direction due to the first direction load, a third measured value in the first direction due to a second direction load, and a fourth measured value in the second direction due to the second direction load.