Characteristic nonlinear system identification of local attachments with clearance nonlinearities
This research considers the identification of mathematical models for the dynamics of local
nonlinear attachments with clearance nonlinearities directly from measured transient …
nonlinear attachments with clearance nonlinearities directly from measured transient …
Bayesian model selection in nonlinear subspace identification
In nonlinear system identification, one of the main challenges is how to select a nonlinear
model. The accuracy of nonlinear subspace identification depends on the accuracy of the …
model. The accuracy of nonlinear subspace identification depends on the accuracy of the …
Vibration mitigation of a model aircraft with high-aspect-ratio wings using two-dimensional nonlinear vibration absorbers
JD Brown, M Mustafa, KJ Moore - International Journal of Non-Linear …, 2024 - Elsevier
Abstract High-aspect-ratio (HAR) airplane wings have higher energy efficiency and present
an economical alternative to standard airplane wings. HAR wings have a high span and a …
an economical alternative to standard airplane wings. HAR wings have a high span and a …
Identification of nonlinear stiffness and damping parameters using a hybrid approach
Robustly identifying nonlinear mechanical systems is generally a challenging task, and this
is particularly true when the structure under test exhibits nonlinear behaviors related to both …
is particularly true when the structure under test exhibits nonlinear behaviors related to both …
Frequency-specific phase synchronization analysis of a stall-induced aeroelastic system undergoing 2: 1 internal resonance in a low-speed wind tunnel
Wind tunnel experiments are performed on a pitch-plunge aeroelastic system possessing
structural nonlinearity in the stiffness and subjected to dynamic stall conditions. With an …
structural nonlinearity in the stiffness and subjected to dynamic stall conditions. With an …
Automatic nonlinear subspace identification using clustering judgment based on similarity filtering
Accurately determining system order plays a vital role in system identification directly related
to the accuracy of identification results, especially for nonlinear system identification. Due to …
to the accuracy of identification results, especially for nonlinear system identification. Due to …
Modal energy exchanges in an impulsively loaded beam with a geometrically nonlinear boundary condition: computation and experiment
The capability of a geometrically nonlinear boundary condition, ie, a strong local
nonlinearity, in “redistributing” a broadband input energy (generated by an impulsive load) …
nonlinearity, in “redistributing” a broadband input energy (generated by an impulsive load) …
Low-resource dynamic loading identification of nonlinear system using pretraining
To address the challenge of load identification in nonlinear systems, an audio neural
network-based method called WaveNet is proposed that leverages its capability to capture …
network-based method called WaveNet is proposed that leverages its capability to capture …
Nonlinear System Identification Using Audio-Inspired WaveNet Deep Neural Networks
Nonlinear system identification is a challenging task that requires accurate estimation of the
structural model from observations of nonlinear behavior. The WaveNet, which was …
structural model from observations of nonlinear behavior. The WaveNet, which was …
Data-Driven Method for Nonlinear Modal Interaction Identification in Fighter Aircraft
BJ Chang, LA Bergman, K Moore, WA Silva… - AIAA Journal, 2024 - arc.aiaa.org
The purpose of this paper is to report a new data-driven analysis methodology for identifying
nonlinear modal interactions and its application to aeroelastic wind-tunnel data from a …
nonlinear modal interactions and its application to aeroelastic wind-tunnel data from a …