Results 1 to 10 of about 629,646 (340)
Automated Operational Modal Analysis for Rotating Machinery Based on Clustering Techniques [PDF]
Sensors, 2023 Many parameters can be used to express a machine’s condition and to track its evolution through time, such as modal parameters extracted from vibration signals.
Nathali Rolon Dreher +2 more
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Intelligent automatic operational modal analysis
Mechanical Systems and Signal Processing, 2023 Operational modal analysis methods have been proven especially useful to identify existing structures and infrastructures under serviceability conditions. However, the installation of sensing systems for monitoring continuously an ever larger number of existing constructions has motivated significant efforts towards the automation of the available ...
Giuseppe Quaranta +2 more
exaly +5 more sources
DIC-Based Operational Modal Analysis of Bridges [PDF]
Advances in Civil Engineering, 2021 A new method has been proposed to identify the natural frequencies and mode shapes of a bridge model, in which the digital image correlation (DIC) technique is used to track the dynamic displacement.
Gongfa Chen +4 more
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A Wireless Data Acquisition System Based on MEMS Accelerometers for Operational Modal Analysis of Bridges. [PDF]
Sensors (Basel)This paper illustrates a novel and cost-effective wireless monitoring system specifically developed for operational modal analysis of bridges. The system employs battery-powered wireless sensors based on MEMS accelerometers that dynamically balance power
Hasani H, Freddi F, Piazza R, Ceruffi F.
europepmc +2 more sources
Operational Modal Analysis on Bridges: A Comprehensive Review
Infrastructures, 2023 Structural health monitoring systems have been employed throughout history to assess the structural responses of bridges to both natural and man-made hazards.
Hamed Hasani, Francesco Freddi
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Applied Sciences, 2023 An automated operational modal analysis (AOMA) method that considers the uncertainty in modal parameters is presented and data acquired from actual bridges are used to validate it.
Keunhee Cho, Jeong-Rae Cho
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Sparse Component Analysis Using Time-Frequency Representations for Operational Modal Analysis [PDF]
Sensors, 2015 Sparse component analysis (SCA) has been widely used for blind source separation(BSS) for many years. Recently, SCA has been applied to operational modal analysis (OMA), which is also known as output-only modal identification.
Shaoqian Qin, Jie Guo, Changan Zhu
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Review of Structural Modal Tracking in Operational Modal Analysis: Methods and Applications
Applied SciencesModal tracking has evolved into a crucial research domain over the past decades. It synergizes with automatic modal parameter estimation (AMPE) to achieve automatic operational modal analysis (AOMA).
Shenghui Fu, Jie Wu
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Structural Identification from Operational Modal Analysis: The Case of Steel Structures
Buildings, 2023 In the case of old existing structures where the cultural value is very high, structural health analyses and investigations would be better performed without damages or service interruptions. Thus, modal analysis aimed at identifying eigenfrequencies and
Flavio Stochino +5 more
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Stretching Method-Based Operational Modal Analysis of An Old Masonry Lighthouse [PDF]
Sensors, 2019 We present in this paper a structural health monitoring study of the Egyptian lighthouse of Rethymnon in Crete, Greece. Using structural vibration data collected on a limited number of sensors during a 3-month period, we illustrate the potential of the ...
Emmanouil Daskalakis +4 more
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