|Table of Contents|

Transfer matrix method for vibration measurement of cable tension considering sag

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2013年04期
Page:
608-
Research Field:
Publishing date:

Info

Title:
Transfer matrix method for vibration measurement of cable tension considering sag
Author(s):
Liu ZhijunRui XiaotingWang GuopingYu Hailong
Institute of Launch Dynamics,NUST,Nanjing 210094,China
Keywords:
transfer matrix method stay cable cable tension sag natural frequency
PACS:
:U448.27
DOI:
-
Abstract:
In order to improve the measurement accuracy of cable tension,this paper proposes a vibration method for cable tension measurement based on the transfer matrix method of multibody system.The cable-vibration discrete model was established on the base of the parabolic equation for static profile of stay cable developed by static analysis with the consideration of cable sag,inclination angle,self-weight and variation of cable tension along the cable.The transfer matrix method of multibody system is used to compute natural vibration frequencies of cable based on the discrete model.The characteristic equation accurately describing the relation between cable tension and natural vibration frequencies is obtained.The field measurement results are analyzed,showing that the proposed method has high computational efficiency because of low order of system matrix and can effectively satisfy the requirements for measurement accuracy of cable tension.

References:

[1] Russell J C,Lardner T J.Experimental determination of frequencies and tension for elastic cables[J].Journal of Engineering Mechanics,ASCE,1998,124(10):1067-1072.
[2]Cunha A,Caetano E,Delgado R.Dynamic test on large cable-stayed bridge[J].Journal of Bridge Engineering,ASCE,2001,6(1):54-62.
[3]刘志军,陈国平,党志杰.检测斜拉索张力的振动法及其应用[J].南京航空航天大学学报,2006,38(5):609-612.
Liu Zhijun,Chen Guoping,Dang Zhijie.Vibration method for measurement of cable tension[J].Journal of Nanjing University of Aeronautics and Astronautics,2006,38(5):609-612
[4]刘志军,陈国平,张方,等.超长斜拉索张力振动法测量研究[J].振动与冲击,2008,27(1):111-114.
Liu Zhijun,Chen Guoping,Zhang Fang,et al.Study on measurement of super long stayed cable tension using vibration method[J].Journal of Vibration and Shock,2008,27(1):111-114.
[5]左晓宝,李爱群,赵翔.斜拉索在平面内的非线性自由振动分析[J].工程力学,2005,22(4):101-105.
Zuo Xiaobao,Li Aiqun,Zhao Xiang.Non-linear free in-plane vibration analysis of an inclined cable[J].Engineering Mechanics,2005,22(4):101-105.
[6]刘志军,陈国平.斜拉索在平面内的非线性固有振动特性分析[J].南京航空航天大学学报,2007,39(1):65-70.
Liu Zhijun,Chen Guoping.Nonlinearly natural vibration characteristic analysis of inclined cable in plane[J].Journal of Nanjing University of Aeronautics and Astronautics,2007,39(1):65-70.
[7]刘志军,陈国平.考虑抗弯刚度影响的斜拉索面内非线性自由振动分析[J].振动工程学报,2007,20(1):57-60.
Liu Zhijun,Chen Guoping.Planar non-linear free vibration analysis of stay cable considering the effects of flexural rigidity[J].Journal of Vibration Engineering,2007,20(1):57-60.
[8]Zui H,Shinke T,Namita Y.Practical formulas for estimation of cable tension by vibration method[J].Journal of Structural Engineering,1996,122(6):651-656.
[9]芮筱亭,何斌,陆毓琪,等.刚柔多体系统动力学离散时间传递矩阵法[J].南京理工大学学报,2006,30(4):389-394.
Rui Xiaoting,He Bin,Lu Yuqi,et al.Discrete time transfer matrix method for rigid-flexible multibody system dynamics[J].Journal of Nanjing University of Science and Technology,2006,30(4):389-394.
[10]芮筱亭,贠来峰,陆毓琪,等.多体系统传递矩阵法及其应用[M].北京:科学出版社,2008.
[11]何斌,芮筱亭,陆毓琪.多体系统离散时间传递矩阵法与有限元法混合方法[J].南京理工大学学报,2006,30(4):395-399.
He Bin,Rui Xiaoting,Lu Yuqi.Hybrid method of discrete time transfer matrix method for multibody system dynamics and finite element method[J].Journal of Nanjing University of Science and Technology,2006,30(4):395-399.

Memo

Memo:
-
Last Update: 2013-08-31