Semi-active control for structural vibration of cantilever beam based on TMS320F2812

JI Hong-li; QIU Jin-hao; ZHAO Yong-chun; ZHU Kong-jun

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Semi-active control for structural vibration of cantilever beam based on TMS320F2812

Article | 更新时间：2020-08-12

- Semi-active control for structural vibration of cantilever beam based on TMS320F2812
- Optics and Precision Engineering Vol. 17, Issue 1, Pages: 126-131(2009)
- 作者机构：
  
  南京航空航天大学智能材料与结构航空科技重点实验室,江苏南京210016
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN384;TP273
- Received：09 April 2008，
  
  Revised：28 May 2008，
  
  Published Online：25 January 2009，
  
  Published：25 January 2009
- 稿件说明：
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季宏丽, 裘进浩, 赵永春, 朱孔军. 基于TMS320F2812的悬臂梁振动半主动控制[J]. 光学精密工程, 2009,17(1): 126-131

JI Hong-li, QIU Jin-hao, ZHAO Yong-chun, ZHU Kong-jun. Semi-active control for structural vibration of cantilever beam based on TMS320F2812[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 126-131
季宏丽, 裘进浩, 赵永春, 朱孔军. 基于TMS320F2812的悬臂梁振动半主动控制[J]. 光学精密工程, 2009,17(1): 126-131 DOI：

JI Hong-li, QIU Jin-hao, ZHAO Yong-chun, ZHU Kong-jun. Semi-active control for structural vibration of cantilever beam based on TMS320F2812[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 126-131 DOI：

摘要

基于压电元件的主动振动控制不仅需要复杂的信号处理系统

而且需要庞大的能量供给系统;被动控制中电感和电阻参数对环境变化适应能力差

而且低频控制时需要很大的电感

不容易实现。为了克服主被动控制存在的缺点

提出了一种基于同步开关阻尼技术的半主动振动控制的新方法。利用TMS320F2812处理器

通过合理的开关控制算法

使埋入复合材料悬臂梁约束端的压电元件上的电压极性在适当的时候进行翻转

使其电压始终与应变反相

从而达到振动控制的效果。实验结果表明

该方法可以使悬臂梁一阶振动模态减小3.164 1 dB。

Abstract

Application of active vibration control system based on piezoelectric elements in real-world structures is limited by its requirement for complicated signal processing system and bulky energy supply system;the passive vibration control system is also difficult to implement its system paramenters of inductance.Moreover

the resistances in this system are sensitive to environment

so that it needs large inductance to control low frequency vibration. In order to overcome these drawbacks

a new method of semi-active vibration control based on a technique of synchronized switch damping has been developed recently. By using the processor of TMS320F2812 and the logic switch control algorithm

the polarity of the voltage on a piezoelectric element embedded in cantilever composite beam can overturn at proper time

so that the vibration controlling effect is achieved due to the opposite directions of the voltage-induced force and the strain rate. The experimental results show that the first mode of the cantilever beam can reduce by 3.164 1 dB.

关键词

Keywords

references

季宏丽. 智能结构的自感知主动振动控制以及半主动振动控制的研究 . 南京:南京航空航天大学,2007. JI H L. A study on vibration control of the smart structure using self-sensing active method and semi-active method . Nanjing:Nanjing University of Aeronautics and Astronautics,2007. (in Chinese)[2] FAIZ A, GUYOMAR D, PETIT L, et al.. Wave transmission reduction by a piezoelectric semi-passive technique[J]. Sensors and Actuators. Physical, 2006,128(2):230-237.[3] 张勇强,金新民,童亦斌,等. 基于TMS320F2812的控制系统设计[J]. 应用天地,2007,26(2):63-66. ZHANG Y Q, JIN X M, TONG Y B, et al.. Design of a control system based on TMS320F2812[J]. China Academic Journal Electronic Publishing House, 2007,26(2):63-66.[4] BADEL A, SEBALD G, GUYOMAR D, et al.. Piezoelectric vibration control by synchronized switching on adaptive voltage sources: Towards wideband semi-active damping[J].Journal of the Acoustical Society of America, 2006,119(5):2815-2825 Part I.[5] RICHARD C, GUYOMAR D, AUDIGIER D, et al.. Semi-passive damping using continuous switching of a piezoelectric device . Proceedings of SPIE Smart Structure and Materials Conference, Passive Damping and Isolation, San Diego, 1998,3672:104-111.[6] QIU J H, MASAKAZU H. Vibration Control of a Plate using a Self-sensing Piezoelectric Actuator and an Adaptive Control Approach[J]. Journal of Intelligent Material Systems and Structures, 2006,17(8-9):661-669.

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