A review of operational modal analysis techniques for in-service modal identification

FB Zahid, ZC Ong, SY Khoo - Journal of the Brazilian Society of …, 2020 - Springer
Vibrations are the root cause of many mechanical and civil structure failures. Dynamic
characteristics of a structure must be extracted to better understand structural vibrational …

Transmissibility-based system identification for structural health Monitoring: Fundamentals, approaches, and applications

WJ Yan, MY Zhao, Q Sun, WX Ren - Mechanical Systems and Signal …, 2019 - Elsevier
The difficulty of achieving controlled input has led to the development of new output-only
structural health monitoring (SHM) approaches. Without measuring the input or assuming a …

[HTML][HTML] General framework for transfer path analysis: History, theory and classification of techniques

MV van der Seijs, D De Klerk, DJ Rixen - Mechanical Systems and Signal …, 2016 - Elsevier
Abstract Transfer Path Analysis (TPA) designates the family of test-based methodologies to
study the transmission of mechanical vibrations. Since the first adaptation of electric network …

A modal decomposition and expansion approach for prediction of dynamic responses on a monopile offshore wind turbine using a limited number of vibration sensors

A Iliopoulos, R Shirzadeh, W Weijtjens… - … Systems and Signal …, 2016 - Elsevier
Structural health monitoring of wind turbines is usually performed by collecting real-time
operating data on a limited number of accessible locations using traditional sensors such as …

Foundation structural health monitoring of an offshore wind turbine—a full-scale case study

W Weijtjens, T Verbelen, G De Sitter… - Structural Health …, 2016 - journals.sagepub.com
In this contribution, first, the results in the development of a structural health monitoring
approach for the foundations of an offshore wind turbine based on its resonance frequencies …

An Enhanced Power Spectral Density Transmissibility (EPSDT) approach for operational modal analysis: theoretical and experimental investigation

WJ Yan, WX Ren - Engineering Structures, 2015 - Elsevier
The transmissibility based operational modal analysis (TOMA) has drawn great attention
due to its insensitivity to the nature of external excitation. Different from conventional modal …

Kalman filter-based subspace identification for operational modal analysis under unmeasured periodic excitation

S Greś, M Döhler, P Andersen, L Mevel - Mechanical Systems and Signal …, 2021 - Elsevier
The modes of linear time invariant mechanical systems can be estimated from output-only
vibration measurements under ambient excitation conditions with subspace-based system …

Removal of transfer function effects from transmission error measurements using cepstrum-based operational modal analysis

R Lu, MR Shahriar, P Borghesani, RB Randall… - … Systems and Signal …, 2022 - Elsevier
Transmission error (TE) is recognised as one of the best measurements for gear condition
monitoring and quality control, especially when measured at low speed. Geometric …

[HTML][HTML] Modal analysis through response-based FRFs: Additional modes for local diagnoses

S De Carolis, A Messina, L Soria - Journal of Sound and Vibration, 2023 - Elsevier
The importance and role of a specific class of global transmissibility matrices (global TFs),
here named response-based frequency response functions (R-FRFs), in the areas of the …

Mode shape database-based estimation for machine tool dynamics

J Liu, T Kizaki, Z Ren, N Sugita - International Journal of Mechanical …, 2022 - Elsevier
The system dynamics of machine tools plays an important role in machine health monitoring
and quality assessment of manufacturing products. For former identification methods, the …