Damage detection of a rotating cracked shaft using an active magnetic bearing as a force actuator - Analysis and experimental verification

被引：33
|
作者：
Quinn, DD [1 ]
Mani, G
Kasarda, MEF
Bash, T
Inman, DJ
Kirk, RG
机构：
[1] Univ Akron, Dept Mech Engn, Akron, OH 44325 USA
[2] Virginia Polytech Inst & State Univ, Dept Mech Engn, Blacksburg, VA 24061 USA
来源：
IEEE-ASME TRANSACTIONS ON MECHATRONICS | 2005年 / 10卷 / 06期
基金：
美国国家科学基金会;
关键词：
machinery health monitoring; magnetic bearings; shaft cracks;
D O I：
10.1109/TMECH.2005.859833
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The active health monitoring of rotordynamic systems in the presence of breathing shaft cracks is considered in this work. The shaft is assumed to be supported by conventional bearings, and the active magnetic bearing (AMB) is used in a midshaft or outboard location as an actuator to apply specified, time-dependent forcing on the system. These forces, if properly chosen, induce a combination resonance that can be used to identify the magnitude of the time-dependent stiffness arising from the breathing mode of the shaft crack. The technique is verified experimentally on a high speed test rotor with a healthy and a cracked shaft.
引用
收藏
页码：640 / 647
页数：8
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