Multi-site damage precise localization via the random vibration functional model based method: Formulation & concept validation

• Published in: Mechanical systems and signal processing Vol. 160; p. 107880
• Main Authors: Sakaris, C.S., Sakellariou, J.S., Fassois, S.D.
• Format: Journal Article
• Language: English
• Published: Berlin Elsevier Ltd 01.11.2021; Elsevier BV
• Subjects: Damage localization; Data-based methods; Decision making; Functional model based method; Functional models; Localization; Multi-site damage; Multiple site damage; Performance degradation; Random vibration; Sensitivity analysis; Statistical time series methods; Vibration analysis; Vibration based SHM; Multi-site damage; iid; ARX; FM; Functional model based method; DSD; NLS; OLS; SHM; Data-based methods; Functional models; GA; SM; BIC; VFP-ARX; MSD; MM; TSD; SSD; Statistical time series methods; Damage localization; FMBM; SQP; FP-ARX; FRF; Vibration based SHM

•Random vibration data based Multi-Site Damage (MSD) characterization and precise localization.•Two versions of a Functional Model Based Method are postulated.•Precise localization is demonstrated with very few sensors and training signal records.•The versions are experimentally validated and assess...