Mutual information based anomaly detection of monitoring data with attention mechanism and residual learning
Due to the damage of sensors or transmission equipment, abnormal monitoring data
inevitably exists in the measured raw data, and it significantly impacts the condition …
inevitably exists in the measured raw data, and it significantly impacts the condition …
Measurement and identification of the nonlinear dynamics of a jointed structure using full-field data, Part I: Measurement of nonlinear dynamics
Jointed structures are ubiquitous constituents of engineering systems; however, their
dynamic properties (eg, natural frequencies and damping ratios) are challenging to identify …
dynamic properties (eg, natural frequencies and damping ratios) are challenging to identify …
Numerical and experimental analysis of the effect of eccentric phase difference in a rotor-bearing system with bolted-disk joint
Y Li, Z Luo, J Wang, H Ma, D Yang - Nonlinear Dynamics, 2021 - Springer
Bolted joints are widely used in industrial rotating machines to fasten the adjacent disks
together and affect system dynamic properties. Therefore, there is a strong need to study …
together and affect system dynamic properties. Therefore, there is a strong need to study …
Removal of AM-FM harmonics using VMD technology for operational modal analysis of milling robot
The dynamics of a milling robot have a significant impact on machining efficiency and
quality. Traditional experimental modal analysis (EMA) is used to study the dynamics of …
quality. Traditional experimental modal analysis (EMA) is used to study the dynamics of …
Flap-wise vibrations of non-uniform rotating cantilever beams: An investigation with operational experiments
J Huang, K Zhou, J Xu, K Wang, H Song - Journal of Sound and Vibration, 2023 - Elsevier
Representing an important kind of engineering component, rotating beams with axially
functionally graded cross sections have been studied by researchers through analytical and …
functionally graded cross sections have been studied by researchers through analytical and …
Blade mass imbalance identification and estimation for three-bladed wind turbine rotor based on modal analysis
Y Chen, DT Griffith - Mechanical Systems and Signal Processing, 2023 - Elsevier
Early detection of rotor imbalance is one promising approach to address wind turbine
durability. This work proposes a novel blade mass imbalance identification and estimation …
durability. This work proposes a novel blade mass imbalance identification and estimation …
Owie-Driven spectrum discrepancy impulse reconstruction: An adaptive impulse extraction methodology for rotating machinery
Rotating machinery faults generally result in the generation of impulse components,
accompanied by multi-order harmonics. However, the impulse phenomena may inherently …
accompanied by multi-order harmonics. However, the impulse phenomena may inherently …
Dynamic behavior of a flexible rotor system with squeeze film damper considering oil-film inertia under base motions
X Chen, G Ren, X Gan - Nonlinear Dynamics, 2021 - Springer
Under parametric excitations and external forces induced by base motions, dynamic
behavior of an on-board rotor system supported by squeeze film damper (SFD) considering …
behavior of an on-board rotor system supported by squeeze film damper (SFD) considering …
Noise robustness of an operational modal-based structural damage-detection scheme using impact-synchronous modal analysis
Data-driven damage-detection schemes are usually unsupervised machine-learning models
in practice, as these do not require any training. Vibration-based features are commonly …
in practice, as these do not require any training. Vibration-based features are commonly …
Mode shape recognition of complicated spatial beam-type structures via polynomial shape function correlation
Y Chen, DT Griffith - Experimental Techniques, 2022 - Springer
The mode shapes of many beam-type structures, such as aircraft wings and wind turbine
blades, involve a high degree of coupling between flap-wise and edge-wise bending …
blades, involve a high degree of coupling between flap-wise and edge-wise bending …