负电容压电阻尼振动控制系统稳定性研究

马小陆; 胡兴柳

doi:10.13433/j.cnki.1003-8728.2016.0321

负电容压电阻尼振动控制系统稳定性研究

doi: 10.13433/j.cnki.1003-8728.2016.0321

1.
安徽工业大学电气与信息工程学院, 马鞍山 243002

基金项目:

国家自然科学基金项目(61201109,51574004)、安徽省自然科学基金项目(1308085ME79)、安徽省教育厅自然科学研究重点项目(KJ2013Z027)及安徽省科技厅科技攻关计划项目(12010402c182)资助

详细信息

作者简介:
马小陆(1979-),讲师,博士,研究方向为智能结构的振动噪声控制,maxiaolublade@163.com

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- 文章访问数: 215
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- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2014-02-10
- 刊出日期: 2016-03-05

Research on Stability of Vibration Control System with Negative Capacitance Piezoelectric Damping

1.
College of Electrical and Information Engineering, Anhui University of Technology, Ma'anshan 243002, China

摘要

摘要: 实验中发现,当负电容值选取较小时,基于负电容压电分流阻尼控制系统将不稳定。针对这个问题,利用反馈控制理论推导了负电容压电阻尼振动控制系统模型,并对其进行了稳定性分析,最后,基于dSPACE实时仿真系统,利用模拟电路和压电元件,设计并建立了四边固支的压电合金板的振动控制实验平台,进行了基于负电容压电分流阻尼的振动控制方法的稳定性实验研究,理论分析和实验结果表明:当负电容值大于且接近于或小于压电片的容抗值时,系统将不稳定,负电容压电阻尼振动系统稳定性的研究将会对负电容在振动和噪声控制系统中的应用具有重要指导意义。
- 阻尼 /
- 反馈控制 /
- 稳定性 /
- 振动控制
Abstract: It was found that the vibration system based on the negative capacitance piezoelectric shunt damping will be unstable when the negative capacitance value is small in the experiment. Aiming at the problem, the vibration system model based on the negative capacitance piezoelectric shunt damping is derived with feedback control theory in this paper, and its stability is analyzed. Then, the experimental platform which is an alloy rectangular thin plate clamped with stiff base is set up using the dSPACE real-time simulation platform, the elements of analog circuit and piezoelectric element. Finally, experimental research is carried out in the platform. Theoretical analysis and experimental results show that the vibration control system based on the negative capacitance piezoelectric shunt damping will become unstable when the negative capacitance is smaller or slightly larger than the capacitance of the piezoelectric patch. The stability study of the piezoelectric shunt damping vibration system based on negative capacitance will have an important guiding significance for the negative capacitance applied in the vibration and noise control system.
- damping /
- feedback control /
- stability /
- vibration control

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参考文献(15)

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