Parameter identification of multibody systems based on second order sensitivity analysis

被引：14

作者：

Ding, Jieyu ^{[1
]}

Pan, Zhenkuan ^{[1
]}

Chen, Liqun ^{[2
]}

机构：

[1] Qingdao Univ, Coll Informat Engn, Qingdao 266071, Peoples R China

[2] Shanghai Univ, Dept Mech, Shanghai 200444, Peoples R China

来源：

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS | 2012年 / 47卷 / 10期

关键词：

Multibody systems; Parameter identification; Trust region method; Sensitivity analysis;

D O I：

10.1016/j.ijnonlinmec.2011.09.009

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An identification procedure for multibody systems is presented to determine optimal values for unknown or estimated model parameters from experimental test data. Based on a non-linear least-square optimization procedure, the Levenberg-Marquardt trust region method is developed to estimate the unknown parameters, in which the second order sensitivity analysis with the hybrid method is applied to improve the convergence and stability. Finally, numerical examples of slider-crank mechanism validate the accuracy and efficiency of the method presented. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1105 / 1110

页数：6

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