Results 11 to 20 of about 474,164 (345)
Advances in Civil Engineering, 2021 Modal parameters are important parameters for the dynamic response analysis of structures. An output-only modal parameter identification technique based on Hilbert Vibration Decomposition (HVD) is developed herein for structural modal parameter ...
Yingzhi Xia +3 more
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Shock and Vibration, 2021 Modal parameter identification is considered to be one of the most important tasks in structural health monitoring because it provides a reliable reference for structural vibration control, damage severity, and operational state.
Peng Wen +3 more
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Uncertainty-Based Fusion Method for Structural Modal Parameter Identification. [PDF]
Sensors (Basel)The structural modal parameter identification method can be classified into time-domain and frequency-domain methods. Practically, two types of methods are characterized by different advantages, and the estimated modal parameters are always subjected to ...
Liu X, Dong Z, Ji H, Yue Z, Kang J.
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Modal parameter identification from output data only [PDF]
MATEC Web of Conferences, 2015 To identify the modal parameters of a vibrating system from output data only we use a state space model and usually two approaches are considered: the block Hankel matrix and its shifted version and the block observability matrix and its shifted version.
Lardiès Joseph
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Research on improved modal parameter identification method using Hilbert-Huang transform
Measurement + Control, 2023 In the wind tunnel test, the full-bridge aeroelastic model needs to simulate both the shape and dynamic characteristics of the real bridge, and modal parameters are key dynamic parameters.
Mingjin Zhang +4 more
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Applied Sciences, 2021 A method of modal parameter identification of structures using reconstructed displacements was proposed in the present research. The proposed method was developed based on the stochastic subspace identification (SSI) approach and used reconstructed ...
Xiangying Guo +3 more
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Improved Continuous Wavelet Transform for Modal Parameter Identification of Long-Span Bridges
Shock and Vibration, 2020 Accurate and timely identification of modal parameters of long-span bridges is important for bridge health monitoring and wind tunnel tests. Wavelet analysis is one of the most advantageous methods for identification because of its good localization ...
Mingjin Zhang +5 more
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Shock and Vibration, 2019 Instantaneous modal parameter identification of time-varying dynamic systems is a useful but challenging task, especially in the identification of damping ratio.
Jie Zhang, Zhiyu Shi
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Modal parameter identification for a roof overflow powerhouse under ambient excitation
Water Science and Engineering, 2016 Modal parameter identification is a core issue in health monitoring and damage detection for hydraulic structures. For a roof overflow hydropower station with a bulb tubular unit under ambient excitation, a complex unit-powerhouse-dam coupling vibration ...
Yan Zhang, Ji-jian Lian, Fang Liu
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Evaluation and Analysis of Bridge Modal Parameters Under Intelligent Monitoring Environment
Frontiers in Ecology and Evolution, 2022 After the bridge is completed, the structural materials will be gradually eroded or aged under the influence of climate, temperature, and building environment.
Tao Wang +3 more
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