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TECHNICAL PAPERS

A Frequency Domain Versus a Time Domain Identification Technique for Nonlinear Parameters Applied to Wire Rope Isolators

[+] Author and Article Information
Gaetan Kerschen, Vincent Lenaerts

LTAS–Vibrations et Identification des Structures, Université de Liège, Chemin des Chevreuils, 1 (Ba⁁t. B52), 4000 Liège, Belgiume-mail: g.kerschen@ulg.ac.be

Stefano Marchesiello, Alessandro Fasana

Dipartimento di Meccanica, Politecnico di Torino, 10129 Torino, Italy

J. Dyn. Sys., Meas., Control 123(4), 645-650 (Nov 06, 2000) (6 pages) doi:10.1115/1.1410368 History: Received November 06, 2000
Copyright © 2001 by ASME
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References

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Figures

Grahic Jump Location
The system under examination
Grahic Jump Location
(a) Acceleration transmissibility of the system. Load mass m2=2.2 kg, excitation level 8 Vrms (_, underlying linear system transmissibility by CRP;[[ellipsis]], linear method). (b) CRP estimated coefficient of the nonlinearity
Grahic Jump Location
Estimated accelerance of the system. Load mass m2=2.2 kg, excitation level 8 Vrms (_, underlying linear system accelerance by CRP;[[ellipsis]], linear method). (a)H11 accelerance, (b)H21 accelerance
Grahic Jump Location
Stiffness curve (a) 0.5 V rms, (b) 4 V rms
Grahic Jump Location
Evolution of the MSE as a function of the type of the nonlinearity
Grahic Jump Location
Measured and computed restoring force (a) 4 V rms, (b) 8 V rms

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