Fast computation of uncertainty lower bounds for state-space model-based operational modal analysis

• Main Authors: Shi, Yuanfeng, Li, Binbin, Au, Siu-Kui
• 其他作者: School of Civil and Environmental Engineering
• 格式: Article
• 語言: English
• 出版: 2022
• 主題: Engineering::Civil engineering; Operational Modal Analysis; Uncertainty Quantification; Cramer-Rao Bound; Maximum Likelihood Estimator; State-Space Model
• 在線閱讀: https://hdl.handle.net/10356/154692
• 機構: Nanyang Technological University

In operational modal analysis, identified modal parameters, e.g., natural frequencies, damping ratios, and mode shapes, are subject to uncertainties due to effects such as limited data, measurement noise, modelling error and unknown excitations. It becomes relevant to quantify the associated uncerta...