publication . Other literature type . Thesis . 2018

Bayesian Modal Identification using Asynchronous Ambient Data

Zhu, Y;
English
  • Published: 01 Jan 2018
  • Publisher: Unpublished
  • Country: United Kingdom
Abstract
Operational modal analysis (OMA) has been used nowadays for identifying the modal properties of structures (e.g., natural frequencies, damping ratios and mode shapes) based on the measured ambient vibration data for its high economy and efficiency. In vibration tests, multiple sensors are often used to obtain the mode shape information of the instrumented structure. Time synchronisation among the sensors/data channels is normally required by conventional modal identification techniques. In full-scale tests, this often requires additional equipment and logistics in order to obtain synchronous data. Ambient vibration tests can be conducted more flexibly and effici...
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