Uncertainty quantification in operational modal analysis of time-varying structures based on time-dependent autoregressive moving average model

• Published in: Journal of sound and vibration Vol. 548; p. 117549
• Main Authors: Kang, Jie, Zeng, Shuhong
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 31.03.2023
• Subjects: Non-white excitation; Operational modal analysis; TARMA model; Time-varying structure; Uncertainty quantification; Uncertainty quantification; TARMA model; Time-varying structure; Non-white excitation; Operational modal analysis

The identified modal parameters in Operational Modal Analysis (OMA) are always subject to statistical uncertainties from many sources and the uncertainty is also important to assess the quality of the identified results. This study proposes an uncertainty quantification method in OMA for time-varyin...