Results 21 to 30 of about 4,345,353 (297)
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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Dynamic Parameter Identification of Hydrodynamic Bearing-Rotor System
Shock and Vibration, 2015 A new method called modal parameter genetic time domain identification was employed to study the characteristics of the bearing-rotor system. A multifrequency signal decomposition technology to identify the main components of the measured signal and ...
Zhiqiang Song, Yunhe Liu
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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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Operational Modal Analysis for Seismic Protection of Structures [PDF]
, 2008 This thesis focuses on output-only modal identification tests and on the opportunities they provide in the field of seismic protection of structures. The problem of a good measurement process, in order to obtain high quality data and reliable results ...
Rainieri, Carlo
core +1 more source
Shock and Vibration, 2018 This article presents a time-varying modal parameter identification method based on the novel information criterion (NIC) algorithm and a post-process method for time-varying modal parameter estimation.
Haotian Zhou +4 more
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Data Inspecting and Denoising Method for Data-Driven Stochastic Subspace Identification
Shock and Vibration, 2018 Data-driven stochastic subspace identification (DATA-SSI) is frequently applied to bridge modal parameter identification because of its high stability and accuracy.
Xiaohang Zhou +3 more
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Modal Parameter Identification of Time-varying System Based on Time Frequency Slice Decomposition
Hangkong gongcheng jinzhan, 2019 System parameter identification can be divided into two research directions: time-invariant system parameter identification and time-varying system parameter identification. The research on time-invariant system parameter identification has become mature,
Chen Qi, Shi Zhiyu, Zhang Jie
doaj +1 more source
International Journal of Automotive Engineering, 2019 A flexible ring-based model is simple, comprehensive, and accurate, and has been most frequently adopted in tire models with a low degree-of-freedom.
Masami Matsubara, Shozo Kawamura
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Correlating low energy impact damage with changes in modal parameters: diagnosis tools and FE validation [PDF]
, 2010 This paper presents a basic experimental technique and simplified FE based models for the detection, localization and quantification of impact damage in composite beams around the BVID level.
Niemann, Hanno +7 more
core +1 more source
Synthetical Modal Parameters Identification Method of Damped Oscillation Signals in Power System
Applied Sciences, 2022 It is vital to improve the stability of the power system by accurately identifying the modal parameters of damped low-frequency oscillations (DLFO) and controlling the oscillation in time.
Huan Li +3 more
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