Random decrement technique for detection and characterization of nonlinear behavior

KK Vesterholm, R Brincker, A Brandt - Mechanical Systems and Signal …, 2020 - Elsevier
When performing operational modal analysis, the mechanical system being investigated is
assumed to be linear. If this assumption is not true, errors could be made when estimating …

Conditional linear approximation of nonlinear systems using Operational Modal Analysis

T Friis, KK Vesterholm, EI Katsanos… - … Control and Health …, 2021 - Wiley Online Library
Dynamic characteristics of structures in operational conditions are commonly identified from
measured responses using Operational Modal Analysis (OMA). The OMA techniques are …

[PDF][PDF] Emprego de Técnicas de Aprendizado de Máquina para o Monitoramento de Sistemas Rotativos via Análise Modal Operacional

NR Dreher - 2022 - repositorio.unicamp.br
Este trabalho apresenta um estudo geral sobre a aplicabilidade de métodos de
aprendizado de máquina não supervisionado combinados a métodos da Análise Modal …

Identification of stick-slip friction in single-degree of freedom system using the random decrement technique

KK Vesterholm, T Friis… - … on Structural Health …, 2019 - portal.findresearcher.sdu.dk
The identification of modal parameters of structures in operational conditions is termed
Operational Modal Analysis (OMA). Stick-slip friction is common in many structures, for …

[PDF][PDF] Localizing nonlinear behavior from response measurement

KK Vesterholm, A Brandt - Proceedings of the International …, 2020 - past.isma-isaac.be
The process of characterizing a nonlinearity can be defined as determining three things;
location, type, and functional form. In the present study it is investigated if the random …