全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

磁悬浮隔震支座竖向及水平刚度数值研究

DOI: 10.13197/j.eeev.2015.05.181.xiac.027, PP. 181-188

Keywords: 磁悬浮隔震支座,竖向刚度,水平刚度,有限元分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于电磁学原理,开发一种新型隔震支座――磁悬浮隔震支座。该支座在地震发生时能够利用电磁吸力使上部结构与基础脱离接触,从而避免地震动向上部结构传递。推导电磁悬浮隔震系统运动方程,采用ANSYS建立磁悬浮隔震支座有限元模型,数值分析支座的竖向及水平刚度随线圈安匝数、悬浮间隙和水平位移的变化规律。结果表明磁悬浮隔震系统是一种主动变刚度隔震系统,竖向及水平刚度与安匝数、悬浮间隙和水平位移存在非线性关系。此外,竖向刚度可以通过调整电流达到"零刚度"状态,从而使上部结构在竖直方向上不发生振动。

References

[1]  李爱群. 工程结构减震控制[M]. 北京:机械工业出版社, 2007. LI Aiqun. Structural vibration control[M]. Beijing:China Machine Press, 2007.(in Chinese)
[2]  Alhan C, Gavin H P. Reliability of base isolation for the protection of critical equipment from earthquake hazards[J]. Engineering Structures, 2005, 27(9):1435-1449.
[3]  Doice M, Cardone D, Mametto R. Implementation and testing of passive control devices based on shape memory alloys[J]. Earthquake Engineering and Structural Dynamics, 2000, 29(2):945-968.
[4]  谭 平, 徐 凯, 王 斌, 等. 基于新型简易隔震支座的村镇建筑隔震性能研究[J]. 土木工程学报, 2013, 46(5):64-70. TAN Ping, XU Kai, WANG Bin, et al. Performance study of isolated rural buildings using novel simple isolators[J]. China Civil Engineering Journal, 2013, 46(5):64-70.(in Chinese)
[5]  谭 平, 王 斌, 金建敏, 等. 纤维增强工程塑料板夹层橡胶隔震支座有限元分析[J]. 振动与冲击, 2014, 33(24):95-100. TAN Ping, WANG Bin. JIN Jianjin, et al. Finite element analysis for a fiber-reinforced-plastic plate isolation bearing[J]. Journal of Vibration and Shock, 2014, 33(24):95-100.(in Chinese)
[6]  周 云,龚 健,邓雪松. 变曲率摩擦复摆隔震支座的简化分析与数值仿真[J]. 工程力学, 2012, 29(7):163-172. ZHOU Yun, GONG Jian, DENG Xuesong. Simplified analysis and numerical simulation of double variable curvature friction pendulum isolation bearing[J]. Engineering Mechanics, 2012, 29(7):163-172.(in Chinese)
[7]  Ono M, Koga S, Ohtsuki H. Japan’s superconducting maglev train[J]. Instrumentation and Measurement Magazine, IEEE, 2002, 5(1):9-15.
[8]  Liu Y Q, Matsuhisa H, Utsuno H, et al. Vibration control by a variable damping and stiffness system with magnetorheological dampers[J]. JSME International Journal Series C, 2006, 49(2):411-417.
[9]  夏 昌, 傅大宝, 黄 滨. 磁悬浮技术在结构减振控制中的应用[J]. 地震工程与工程振动, 2014, 34(1):211-216. XIA Chang, FU Dabao, HUANG Bin. Application of magnetic levitation technique in structural vibration control[J]. Earthquake Engineering and Engineering Dynamic, 2014, 34(1):211-216.(in Chinese)
[10]  李宗峰,刘 强,任维佳. 高空微重力主动隔振系统动力学建模[J]. 振动与冲击, 2010, 29(7):1-5. LI Zongfeng, LIU Qiang, REN Weijia. Dynamic modeling for a space high quality microgravity active vibration isolation system[J]. Journal of Vibration and Shock, 2010, 29(7):1-5.(in Chinese)
[11]  Bica I. Advances in magnetorheological suspension:Production and properties[J]. Journal of Industrial and Engineering Chemistry, 2006, 12(4):501-515.
[12]  夏 昌, 傅大宝, 刘少克. 基于电磁悬浮技术的结构竖向隔震系统研究[J]. 土木工程学报, 2014, 47(s1):197-201. XIA Chang, FU Dabao, LIU Shaoke. Research on structural vertical-isolation system based on electromagnetic levitation technique[J]. China Civil Engineering Journal, 2014, 47(s1):197-201.(in Chinese)
[13]  夏 昌, 傅大宝, 刘少克, 等. 电磁悬浮隔震装置:中国, 201420258189.X.[P]. 2014-05-20. XIA Chang, FU Dabao, LIU Shaoke, et al. Electromagnetic levitation device:China, 201420258189.X.[P]. 2014-05-20.(in Chinese)
[14]  戴 魏, 余海涛, 胡敏强. 基于虚功法的直线同步电机电磁力计算[J]. 中国电机工程学报, 2006, 26(22):110-114. DAI Wei, YU Haitao, HU Minqiang. Electromagnetic force computation of linear synchronous motor with virtual work method[J]. Proceedings of the CSEE, 2006, 26(22):110-114.(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133