Advanced Search
Volume 40 Issue 4
Apr.  2014
Turn off MathJax
Article Contents
Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(4): 517-522.
Wang Yunfeng, Cheng Wei, Chen Jiangpanet al. State space theory and NR-LMS algorithm based method for structural dynamics parameter identification[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 517-522. doi: 10.13700/j.bh.1001-5965.2013.0285(in Chinese)
Citation: Wang Yunfeng, Cheng Wei, Chen Jiangpanet al. State space theory and NR-LMS algorithm based method for structural dynamics parameter identification[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 517-522. doi: 10.13700/j.bh.1001-5965.2013.0285(in Chinese)
shu

State space theory and NR-LMS algorithm based method for structural dynamics parameter identification

doi: 10.13700/j.bh.1001-5965.2013.0285

  • School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 23 May 2013
  • Publish Date: 20 Apr 2014
    Abstract
  • A parameter identification method for structural dynamics system based on state space (SS) theory and normalized robust least mean square (NR-LMS) algorithm was proposed. By using this method, the identified dynamic system's input and output data were used to build its Hankel-Toeplitz model based on the state space theory. Iterative NR-LMS algorithm was applied to achieve parameters' estimates and Hankel matrix for this model. Singular value decomposition (SVD) method to Hankel matrix was employed for quantifying the order of this dynamic system. Modal parameters and the state space model's parameters also could be achieved from the Hankel matrix by certain calculation. A simulation of 3-DOF(degree of freedom) spring-mass system was employed to validate this method and experiment of identifying cantilever's parameters was studied. The results demonstrate this method can identify structural parameters accurately and quickly.

     

    • FullText(HTML)
  • loading
    • References(12)
  • [1]
    Gawronski W K.Advanced structural dynamics and active control of structures[M].New York:Springer-Verlag, Inc, 2004: 219-226
    [2]
    Katayama T.Subspace methods for system identification[M].London:Springer-Verlag, Inc, 2005:33-39
    [3]
    Yeung W T, Smith J W.Damage detection in bridges using neural networks for pattern recognition of vibration signstures[J].Engineering Structures, 2005, 27(5):685-698
    [4]
    Kof C G, Hong B, Lian C Y.Substructural and progressive structural identification methods[J].Engineering Structures, 2003, 25(12):1551-1563
    [5]
    付志超, 程伟, 徐成.基于LS-SVM的模态参数识别方法[J].航空学报, 2009, 30(11):2087-2092 Fu Zhichao, Cheng Wei, Xu Cheng.LS-SVM based method for modal parameter identification[J].Acta Aeronautica et Astronautica Sinica, 2009, 30(11):2087-2092(in Chinese)
    [6]
    Juang J N, Pappa R S.An eigensystem realization algorithm(ERA) for model parame ter identification and model reduction[J].Journal of Guidance, Control and Dynamics, 1985, 8(5); 620-627
    [7]
    Cao Y, Chen X B.State space system identification of 3-degree-of-freedom piezo-actuator-driven stages with unknown configuration[J].Actuators, 2013, 2(1):1-18
    [8]
    De Callafon R A, Moaveni B.General realization algorithm for modal identification of linear dynamic systems[J].Journal of Engineering Mechanics, 2008, 134(9):712-722
    [9]
    Borjas S D M, Garcia C.Subspace identification for industrial process[J].Tema Tend Mat Appl Comput, 2011, 12(3): 183-194
    [10]
    Juang J N, Phan M, Horta L G, et al.Identification of observer/Kalman filter Markov parameters:theory and experiments[J].Journal of Guidance, Control, and Dynamics, 1993, 16(2): 320-329
    [11]
    Lim R K, Phan M Q, Longman R W.State-space system identification with identified Hankel matrix[R].Department of Mechanical and Aerospace Engineering Technical Report 3045, 1998
    [12]
    Ali R L, Kham S A, Ali A, et al.A robust least mean square algorithm for adaptive array signal processing[J].Wireless Pers Commun, 2013, 68(4):1449-1461
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索
    Get Citation
    PDF
    XML

    Article Metrics

    Article views(1255) PDF downloads(467) Cited by()
    Proportional views
    Related

    Copyright © Journal of Beijing University of Aeronautics and Astronautics

    Address: Editorial Department of Journal of Beijing University of Aeronautics and Astronautics, 37 Xueyuan Road, Haidian District, Beijing Post Code: 100191 Email: jbuaa@buaa.edu.cn

    Supported by: Beijing Renhe Information Technology Co., Ltd.    

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return