基于加速度信号的柔性板的挠性参数辨识

谢永; 刘盼; 蔡国平

doi:10.6052/0459-1879-13-124

基于加速度信号的柔性板的挠性参数辨识

上海交通大学工程力学系, 海洋工程国家重点实验室, 上海200240

基金项目: 国家自然科学基金重点项目（11132001）；面上项目（11272202, 11072146, 11002087）；航空科学基金项目（20120157002）；博士点专项基金项目（20110073110008）和上海市教委科研重点项目（14ZZ021）资助.

详细信息

作者简介:
蔡国平，教授，主要研究方向：结构动力学与控制、航天器动力学与控制.E-mail：caigp@sjtu.edu.cn

中图分类号: O313
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出版历程
- 收稿日期: 2013-04-21
- 修回日期: 2013-06-12
- 刊出日期: 2014-01-17

PARAMETER IDENTIFICATION OF FLEXIBLE PLATE BASED ON THE ACCELERATION OUTPUT

Department of Engineering Mechanics, State Key Laboratory of Ocean Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Funds: The project was supported by the Key Project (11132001) and the General Projects (11072146, 11002087, 11272202) of the National Natural Science Foundation of China, the Aviation Science Foundation of China (20120157002), the Specialized Research Fund for the Doctoral Program of Higher Education of China (20110073110008), and the Key Scientific Project of Shanghai Municipal Education Commission (14ZZ021).

摘要

摘要: 以柔性板为对象，开展了结构挠性参数辨识技术的研究. 给出了一种基于加速度信号输出的特征系统实现算法的计算格式，基于粒子群优化算法给出了加速度传感器在柔性板上的优化位置. 仿真结果显示，粒子群方法能够有效地确定出传感器在板上的优化位置，特征系统实现算法能够有效地辨识出结构的挠性参数.
- 柔性板 /
- 参数辨识 /
- 加速度信号
Abstract: This paper studies the parameter identification using a flexible plate as research object. An eigensystem realization algorithm (ERA) based on the output of acceleration sensors is investigated and the optimal positions of sensors on the plate are studied using the particle swarm optimization (PSO). Simulation results indicate that the PSO may effectively determine the optimal positions of sensors on the plate, and the plate parameter may be identified accurately using the ERA.
- flexible plate /
- parameter identification /
- acceleration signal

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参考文献(17)

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