Results 21 to 30 of about 47,105 (164)
Identification of Mode Shapes Based on Ambient Signals and the IA-VMD Method
Applied Sciences, 2021 The paper presents a multiaspect analysis of multivalues and the broadband nature of system oscillation. By analyzing the ambient signal caused by random small disturbances during the normal operation of interconnected power grids, many system operation ...
Fang Liu +5 more
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Multi-modal Open World User Identification [PDF]
ACM Transactions on Human-Robot Interaction, 2021 User identification is an essential step in creating a personalised long-term interaction with robots. This requires learning the users continuously and incrementally, possibly starting from a state without any known user. In this article, we describe a multi-modal incremental Bayesian network with online learning, which is the first ...
Irfan, B. +3 more
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Comparison of Different Independent Component Analysis Algorithms for Output-Only Modal Analysis
Shock and Vibration, 2016 From the principle of independent component analysis (ICA) and the uncertainty of amplitude, order, and number of source signals, this paper expounds the root reasons for modal energy uncertainty, identified order uncertainty, and modal missing in output-
Jianying Wang +3 more
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Shock and Vibration, 2020 The measured frequency response functions (FRFs) in the modal test are usually contaminated with noise that significantly affects the modal parameter identification.
Tianxu Zhu, Chaoping Zang, Gengbei Zhang
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Modal Identification of Train Passenger Seats Based on Dynamic Tests and Output-Only Techniques
Applied Sciences, 2023 Railways are one of the most efficient and widely used mass transportation systems for mid-range distances, also being pointed out as the best strategy to reach European Union decarbonisation goals.
Patricia Silva +3 more
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Online Modal Identification of Concrete Dams Using the Subspace Tracking-Based Method
Shock and Vibration, 2019 To investigate the time-varying dynamic characteristics of concrete dams under the excitation of large earthquakes for online structural health monitoring and damage evaluation, an online modal identification procedure based on strong-motion records is ...
Lin Cheng +3 more
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Modal Indicators for Operational Modal Identification
, 2001 Modal validation is of paramount importance for all two-stage time domain modal identification algorithms. However, due to a higher noise/signal ratio in operational/ambient modal analysis, being able to determine the right model order and to distinguish between structural modes and computational modes become more significant than in traditional modal ...
Zhang, L., Brincker, Rune, Andersen, P.
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Modal identification of cylindrical shell using circumference reduction method
Nihon Kikai Gakkai ronbunshu, 2015 For precision improvement of the noise prediction, the dynamic characteristics of structures need to be verified. This paper focuses on modal identification of the cylindrical shell structures.
Atsushi KITAHARA, Takuya YOSHIMURA
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Mathematics, 2023 The dynamic response transfer rate function (TRF) is increasingly used in the field of structural modal parameter identification because it does not depend on the white noise assumption of the excitation.
Yanxin Xu +4 more
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Full-Field Mode Shape Identification Based on Subpixel Edge Detection and Tracking
Applied Sciences, 2023 Most research on computer vision (CV)-based vibration measurement is limited to the determination of discrete or coarse mode shapes of the structure. The continuous edge of the structure in images has rich optical features, and thus, by identifying and ...
Xuan Kong +4 more
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