Delay-independent Stability of Uncertain Control Systems

[+] Author and Article Information
Ilhan Tuzcu, Mehdi Ahmadian

Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060-0238

J. Vib. Acoust 124(2), 277-283 (Mar 26, 2002) (7 pages) doi:10.1115/1.1458015 History: Received February 01, 2001; Revised December 01, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Uncertain control system with a time-delay in the feedback path
Grahic Jump Location
A single degree of freedom system with the Delayed Resonator
Grahic Jump Location
u and ω satisfying the orthogonality condition for the first example
Grahic Jump Location
The value set p(iω,Qu,Qv) of the first example for g=983,h∊[1.00;6.00] and ω∊[73.00;85.00]
Grahic Jump Location
The value set p(iω,Qu) of the second example for h∊[0.00;5.00] and ω∊[78.00;85.50]
Grahic Jump Location
The value set of U(iω,Eue) at a frequency such that U(iω,ue) is orthogonal to U(iω,u2e)−U(iω,u1e)
Grahic Jump Location
ue∊(0;1) and frequencies satisfying the orthogonality condition



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