Parametric Identification of Systems With Dry Friction and Nonlinear Stiffness Using a Time Series Model

[+] Author and Article Information
Q. Chen, G. R. Tomlinson

J. Vib. Acoust 118(2), 252-263 (Apr 01, 1996) (12 pages) doi:10.1115/1.2889656 History: Received November 01, 1993; Revised January 01, 1994; Online February 26, 2008


A new type of time series model, the AVD model which accommodates the A cceleration, V elocity and D isplacement simultaneously, has been used to estimate the characteristics of nonlinear single and multi-degree of freedom systems with dry Coulomb friction, viscous damping and nonlinear stiffness. Numerical results via simulation are compared with those from a Fourier transform method, which suggests that the AVD model is a powerful technique for nonlinear system parameter identification.

Copyright © 1996 by The American Society of Mechanical Engineers
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