Nonlinear parameter estimation in rotor-bearing system using volterra series and method of harmonic probing

被引：19
|
作者：
Chatterjee, A [1 ]
Vyas, NS
机构：
[1] Visvesvaraya Natl Inst Technol, Dept Engn Mech, Nagpur 440011, Maharashtra, India
[2] Indian Inst Technol, Dept Mech Engn, Kanpur 208016, Uttar Pradesh, India
来源：
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 2003年 / 125卷 / 03期
关键词：
D O I：
10.1115/1.1547486
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Volterra series provides a structured analytical platform for modeling and identification of nonlinear systems. The series has been widely used in nonparametric identification through higher order frequency response functions or FRFs. A parametric identification procedure based on recursive evaluation of response harmonic amplitude series is presented here. The procedure is experimentally investigated for a rotor-bearing system supported in rolling element bearings. The estimates of nonlinear bearing stiffness obtained from experimentation have been compared with analytical values and experimental results of previous works.
引用
收藏
页码：299 / 306
页数：8
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