Structural modal parameter identification using local mean decomposition
Sign Up to like & getrecommendations! Published in 2018 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/aa97f4
Abstract: Modal parameter identification is the first step in structural health monitoring of existing structures. Already, many powerful methods have been proposed for this concept and each method has some benefits and shortcomings. In this study,… read more here.
Keywords: parameter identification; mean decomposition; local mean; modal parameter ... See more keywords
Modal parameter estimation of civil structures based onimproved variational mode decomposition
Sign Up to like & getrecommendations! Published in 2021 at "Structural Engineering and Mechanics"
DOI: 10.12989/sem.2021.79.6.683
Abstract: This paper proposes an improved variational mode decomposition (IVMD) algorithm for structural modal parameter estimation based on non-stationary responses. In this improved VMD, the mean envelope entropy (MEE) and particle swarm optimization (PSO) are first… read more here.
Keywords: civil structures; modal parameter; mode decomposition; variational mode ... See more keywords
Modal parameter identification for closely spaced modes using an Empirical Fourier decomposition-based method
Sign Up to like & getrecommendations! Published in 2022 at "Scientia Iranica"
DOI: 10.24200/sci.2022.60768.6978
Abstract: : Precise and effective identification of modal parameters is important for a civil structure throughout the structural lifetime. A time-frequency method for modal parameter identification is developed based on a recently developed adaptive method for… read more here.
Keywords: modal parameter; decomposition; based method; method ... See more keywords