[1]展猛,王社良,赵云,等.一种复位型SMA压电混合减震装置的设计与力学性能试验[J].自然灾害学报,2019,28(04):032-39.[doi:10.13577/j.jnd.2019.0404]
 ZHAN Meng,WANG Sheliang,ZHAO Yun,et al.Design and mechanical property test of self-centering SMA-PZT hybrid damping device[J].,2019,28(04):032-39.[doi:10.13577/j.jnd.2019.0404]
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一种复位型SMA压电混合减震装置的设计与力学性能试验
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
28
期数:
2019年04期
页码:
032-39
栏目:
出版日期:
2019-08-28

文章信息/Info

Title:
Design and mechanical property test of self-centering SMA-PZT hybrid damping device
作者:
展猛12 王社良2 赵云3 陈秀云1
1. 黄淮学院 建筑工程学院, 河南 驻马店 463000;
2. 西安建筑科技大学 土木工程学院, 陕西 西安 710055;
3. 天津大学 建筑工程学院, 天津 300000
Author(s):
ZHAN Meng12 WANG Sheliang2 ZHAO Yun3 CHEN Xiuyun1
1. College of Architecture Engineering, HuangHuai University, Zhumadian 463000, China;
2. College of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China;
3. College of Architecture Engineering, Tianjin University, Tianjin 300000, China
关键词:
形状记忆合金压电陶瓷混合减震力学性能试验复位
Keywords:
shape memory alloypiezoelectric ceramichybrid dampingmechanical testself-centering
分类号:
TU317.1;TU35;X9;X43
DOI:
10.13577/j.jnd.2019.0404
摘要:
基于形状记忆合金(shape memory alloy,SMA)材料和压电(piezoelectric,PZT)陶瓷驱动器的物理力学特点,本课题组设计制作了一种用于结构振动控制领域的复位型SMA压电混合减震装置,对其进行了不同位移幅值、加载频率及激励电压下的力学性能试验,获得了相应的控制力-位移曲线,并从单圈滞回耗能值、等效刚度和等效阻尼比方面分析了各影响因素对其耗能能力的影响。结果表明,该混合减震装置可以双向受力,滞回曲线较饱满且对称性好;激励频率在0.05Hz~0.3Hz之间变化时,减震装置的力学性能基本不受频率的影响。随着电压的增大,混合减震装置的绝对最大控制力呈线性增大,当初始摩擦力200N,施加120V电压时,控制力可增大约为400N。在位移幅值12mm,120V电压下单圈耗能量提高了138.23%,等效阻尼比提高了94.23%,所研发的复位型SMA压电混合减震装置设计合理,压电半主动单元耗能能力较好。
Abstract:
Based on the physical and mechanical properties of shape memory alloy (SMA) materials and piezoelectric (PZT) ceramic actuator, the research team developed a novel self-centering SMA-PZT hybrid damping device applied in the vibration field. The mechanical tests under different displacement amplitude, loading frequency and excitation voltage value was implemented to evaluate the performance of the hybrid device, and the corresponding control force- displacement curves were obtained. In addition, this paper also discussed the influence of lap hysteretic energy dissipation, equivalent stiffness and equivalent damping ratio on energy dissipation capacity of the hybrid device. Results show that the composite damper can stress in two-way and it has full hysteretic curve of the basic symmetry. When the driving frequency varies between 0.05Hz and 0.3Hz, the mechanical properties of the hybrid damping device are not affected by loading frequency. The absolute maximum of control force of hybrid damping device linearly increases; when the voltage is 120V, the control force can increase by about 400N in total compared with no voltage. At 12mm displacement amplitude and 120V voltage, the consumed energy can increase by 138.23%, and the equivalent damping ratio can increase by 94.23%. Those verify that the self-centering SMA-PZT hybrid damping device is designed reasonably and its semi-active piezoelectric unit can dissipate energy well.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-07-05;改回日期:2018-08-26。
基金项目:国家自然科学基金项目(51678480);河南省高等学校重点科研项目(19A560016);河南省科技攻关资助项目(192102310277,182102310834);驻马店市重大科技攻关资助项目(19005)
作者简介:展猛(1989-),男,讲师,博士,主要从事结构抗震、隔震与减震方面的研究.E-mail:zhanyi313@163.com
更新日期/Last Update: 1900-01-01