Application of short-time stochastic subspace identification to estimate bridge frequencies from a traversing vehicle

•Establishes a framework to identify bridge frequencies from a moving test vehicle.•Gives theoretical support to eliminate the negative effect of road roughness.•Adopts a dimensionless description to cope with the time-varying nature of VBI.•The method is verified via numerical experiments with both...

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Veröffentlicht in:	Engineering structures 2021-03, Vol.230, p.111688, Article 111688
Hauptverfasser:	Jin, Nan, Yang, Y.B., Dimitrakopoulos, Elias G., Paraskeva, Themelina S., Katafygiotis, Lambros S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Dimensionless analysis Dimensionless description Dynamic characteristics Dynamic response Indirect identification Mathematical models Parameter identification Subspace identification Surface roughness Traffic speed Vehicle-bridge interaction
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