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Dynamic Load Localization and Time History Identification using Blind Source Separation and Structural Modal Shape Matching
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DOI：10.1016/j.finmec.2026.100350.png)
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Abstract
En 中文
• Novel integrated framework for simultaneous identification of dynamic load location and time history, overcoming the common limitation of requiring prior knowledge of one parameter. • Synergistic combination of Blind Source Separation (BSS) and Structural Modal Shape Matching (SMSM) to decouple and localize loads using modal space transformation. • Efficient load localization through intersection angle minimization between estimated mixing vectors and structural mode shapes, enabling precise spatial identification.
Keywords:
Dynamic load identification
Load localization
Blind source separation
Structural modal shape matching
Regularization
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