Study on the Time Delay Compensation of Cantilever Beam Vibration Wireless Control

郭金河; 喻言; 李芦钰; 韩枫; 欧进萍

doi:10.13409/j.cnki.jdpme.2015.05.018

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Study on the Time Delay Compensation of Cantilever Beam Vibration Wireless Control

更新时间：2025-12-11

- Study on the Time Delay Compensation of Cantilever Beam Vibration Wireless Control
- Vol. 35, Issue 5, Pages: 674-678(2015)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2015.05.018
  CLC： B535;TP212.9;TN929.5
- Published：2015
- 稿件说明：
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[1]郭金河,喻言,李芦钰,韩枫,欧进萍.悬臂梁振动无线控制的时间延迟补偿研究[J].防灾减灾工程学报,2015,35(05):674-678.

郭金河, 喻言, 李芦钰, et al. Study on the Time Delay Compensation of Cantilever Beam Vibration Wireless Control[J]. 2015, 35(5): 674-678.
[1]郭金河,喻言,李芦钰,韩枫,欧进萍.悬臂梁振动无线控制的时间延迟补偿研究[J].防灾减灾工程学报,2015,35(05):674-678. DOI： 10.13409/j.cnki.jdpme.2015.05.018.

郭金河, 喻言, 李芦钰, et al. Study on the Time Delay Compensation of Cantilever Beam Vibration Wireless Control[J]. 2015, 35(5): 674-678. DOI： 10.13409/j.cnki.jdpme.2015.05.018.

摘要

结构振动的无线控制具有广阔的应用前景

但其中的时间延迟显著降低了控制性能

是目前急需解决的问题。针对工程中普遍应用的典型结构——压电悬臂梁结构

设计了基于WiFi的无线传感器

搭建了一套无线传输传感和控制信号的无线控制系统

实现了悬臂梁振动的无线控制;采用基于有限差分和变量代换的时间延迟补偿方法

构造了时间延迟状态

对系统的状态方程进行了适当的扩展。仿真结果表明

该方法可以有效补偿无线控制中的时间延迟

显著改善无线控制的性能

甚至可以达到有线控制的效果。

Abstract

Wireless control of structural vibration has a broad application prospect

but the time delay in wireless control significantly reduced the performance of it.As a result

time delay in wireless control has become an urgent problem.In this paper

a typical structure of universal application-cantilever beam is taken as the control object

and wireless sensors based on the WiFi technique is designed.Moreover

a WiFi wireless control system based on the piezoelectric cantilever is designed and implemented.In this wireless program

both sensor signals and control signals are transmitted in wireless way.Meanwhile

in order to solve the time delay problem

a time delay compensation method is used.A time delay state is contrasted in this method

and the state equation of the beam is extended by the time delay state.The simulation results show that this method can effectively compensate the time delay in this wireless control system

significantly improve the performance of wireless control

even can make the performance of wired control.

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references

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海洋平台结构振动监测的无线传感实验研究 [J]. 喻言,欧进萍. 哈尔滨工业大学学报 . 2007(02)

控制存在延时的建筑结构地震作用下的最优控制方法 [J]. 蔡国平,黄金枝. 应用力学学报 . 2001(04)

结构振动主动控制的时间滞后问题及其补偿 [A]. 代晶辉,刘军龙.第二十九届中国控制会议论文集[C]. 2010

结构振动控制[M]. 科学出版社 , 欧进萍著, 2003

Structural Control with Multi-Subnet Wireless Sensing Feedback: Experimental Validation of Time-Delayed Decentralized H∞ Control Design [J] . Yang Wang,Kincho H. Law. Advances in Structural Engineering . 2011 (1)

Stabilization of vibration systems via delayed state difference feedback [J] . Z.H. Wang,H.Y. Hu. Journal of Sound and Vibration . 2006 (1)

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