Modal analysis and tension estimation of stay cables using noncontact vision‐based motion magnification method

Summary This paper describes a study on modal analysis and tension estimation of stay cables by vision‐based measurement under ambient condition. Microvibration of stay cable is captured by video camera, and the amplitude is amplified using phase‐based video motion magnification method. From the seq...

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Veröffentlicht in:	Structural control and health monitoring 2022-07, Vol.29 (7), p.n/a
Hauptverfasser:	Wangchuk, Samten, Siringoringo, Dionysius M., Fujino, Yozo
Format:	Artikel
Sprache:	eng
Schlagworte:	cable tension estimation Cable-stayed bridges Cables Camcorders Cameras Centroids Damping ratio dynamic mode decomposition Error functions image processing Laser doppler vibrometers Measurement techniques Modal analysis motion magnification Parameters Resonant frequencies Tension Vibration Vibration measurement vision‐based vibration measurement
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