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.

引用

页数：8

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