The role of modal parameters uncertainty estimation in automated modal identification, modal tracking and data normalization

S Pereira, E Reynders, F Magalhaes, A Cunha… - Engineering …, 2020 - Elsevier
During the last decade, many vibration-based structural health monitoring systems have
been successfully implemented in different structures such as bridges, towers, stadia and …

Constrained maximum likelihood modal parameter identification applied to structural dynamics

M El-Kafafy, B Peeters, P Guillaume… - Mechanical Systems and …, 2016 - Elsevier
A new modal parameter estimation method to directly establish modal models of structural
dynamic systems satisfying two physically motivated constraints will be presented. The …

Experimental acoustic modal analysis of an automotive cabin

G Accardo, M El-kafafy, B Peeters, F Bianciardi… - … Rotating Machinery, and …, 2015 - Springer
In the automotive industry, one of the most important comfort requirements in designing a
high quality vehicle is to avoid or minimize the noise in the passenger compartment …

On the computation of stable coupled state-space models for dynamic substructuring applications

RSO Dias, M Martarelli, P Chiariotti - Mechanical Systems and Signal …, 2023 - Elsevier
This paper aims at introducing a methodology to compute stable coupled state-space
models for dynamic substructuring applications by introducing two novel approaches …

Engineering performance of two analytical methodologies for estimating modal parameter uncertainty for structures

L Su, X Huang, J Zhang… - Structural Control and …, 2021 - Wiley Online Library
Stochastic subspace identification (SSI) and Bayesian methods are now the main
representative approaches for high‐performance system identification and uncertainty …

The MLMM modal parameter estimation method: A new feature to maximize modal model robustness

M El-Kafafy, B Peeters, T Geluk, P Guillaume - Mechanical Systems and …, 2019 - Elsevier
In this paper, a new feature added to the MLMM modal parameter estimation method
(Maximum Likelihood estimation of a Modal Model) will be introduced. The MLMM method …

Experimental modal analysis methods

RJ Allemang, DL Brown - Handbook of experimental structural dynamics, 2022 - Springer
This chapter provides the basis and background of all experimental modal analysis (EMA)
methods that have been developed over the last fifty years. In this context, modal parameters …

State-space system identification with physically motivated residual states and throughput rank constraint

M Gibanica, TJS Abrahamsson, T McKelvey - Mechanical Systems and …, 2020 - Elsevier
It has been observed that energy conjugate input-output pair transfer functions with strongly
participating outside-band modes of mechanical systems often render identified state-space …

Experimental acoustic modal analysis of an automotive cabin: challenges and solutions

G Accardo, P Chiariotti, B Cornelis… - Journal of Physics …, 2018 - iopscience.iop.org
In this paper, a full Acoustic Modal Analysis (AMA) procedure to improve the CAE
predictions of the car interior noise level is proposed. Some of the challenges that can be …

Clustering Inverse Beamforming and multi-domain acoustic imaging approaches for vehicles NVH

C Colangeli - 2017 - iris.univpm.it
The interior sound perceived in vehicle cabins is a very important attribute for the user.
Experimental acoustic imaging methods such as beamforming and Near-field Acoustic …