Beneficial Effect of Noise in Suppression of Self-Excited Vibrations

被引：1
|
作者：
Bobryk, R. V. [1 ]
Yurchenko, D. [2 ]
机构：
[1] Jan Kochanowski Univ, Dept Math & Nat Sci, Kielce, Poland
[2] Heriot Watt Univ, Dept Mech Engn, Edinburgh, Midlothian, Scotland
来源：
FLUCTUATION AND NOISE LETTERS | 2014年 / 13卷 / 03期
关键词：
Telegraphic noise; self-excited vibration; coupled oscillators; mean-square stability; two-mass system; PARAMETRIC-EXCITATION; STIFFNESS;
D O I：
10.1142/S0219477514500229
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We discuss the possibility of full suppressions of self-excited vibrations by noise. Recently, periodic excitations have been intensively studied for this aim. We compare the used periodic and random noise excitations in the case of a two-mass system. It is shown that the random noise excitations can be more efficient under certain conditions. The telegraphic process is used as the source of noise. The mean-square (energetic) asymptotic stability of the system is a tool in study of the suppression. The stability charts are presented for different values of the transition rate of the telegraphic noise.
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页数：8
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