Study on modal identification of rotor-bearing system

被引：0

作者：

Duan, JA ^{[1
]}

Yu, L ^{[1
]}

Xie, YB ^{[1
]}

机构：

[1] Xian Jiao Tong Univ, Theory Lubricat & Bearing Inst, Xian 710049, Peoples R China

来源：

PROCEEDINGS OF THE IC-HBRSD'97 | 1997年

关键词：

rotor-bearing system; modal parameter; modal identification;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The time-domain identification of modal parameters of a rotor-bearing system is helpful for condition monitoring and fault diagnosis of a rotating machine. However, it is difficult to determine the order of the system by use of the conventional time-domain methods. In this paper, a recursive STD algorithm is presented to minimize this difficulty, and experiments on a two-span rotor test rig are carried out, Test results show that this algorithm is correct and effective.

引用

页码：178 / 182

页数：5

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