Title :
Approximate decoupling of weakly damped linear second-order systems under harmonic excitations
Author :
Shahruz, S.M. ; Packard, A.K.
Author_Institution :
Berkeley Eng. Res. Inst., CA, USA
Abstract :
A rigorous analysis of the approximation error in lightly damped systems is given. Easy-to-check conditions under which neglecting the off-diagonal elements of the normalized damping matrix can result in large approximation errors are presented
Keywords :
approximation theory; control system analysis; error analysis; linear systems; approximate decoupling; approximation error; harmonic excitations; normalized damping matrix; weakly damped linear second-order systems; Approximation error; Damping; Equations; Frequency; Mechanical engineering; Oscillators; Steady-state; Sufficient conditions; Symmetric matrices; Vectors;
Conference_Titel :
Decision and Control, 1992., Proceedings of the 31st IEEE Conference on
Conference_Location :
Tucson, AZ
Print_ISBN :
0-7803-0872-7
DOI :
10.1109/CDC.1992.371604
