非线性电涡流惯质阻尼器力学性能仿真与试验
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摘要
为提高板式电涡流阻尼器(ECD)的耗能减振效率,融合旋转式电涡流阻尼技术与滚珠丝杠式两节点惯质单元,发展与研制了一种非线性电涡流惯质阻尼器(NEMD).首先阐明了NEMD的整体构造与工作原理,然后综合半理论半仿真分析、三维电磁场有限元仿真分析与样机力学性能测试,获得了NEMD的轴向出力特性,提出了旋转式电涡流阻尼计算分析方法,最后总结建立了NEMD的两阶段设计方法.结果表明:NEMD实现了阻尼器惯性质量与电涡流阻尼的双重增效,显著提升了ECD的耗能减振效率;随着NEMD轴向速度的增加,电涡流阻尼力表现出先上升后下降的非线性特征;综合半理论半仿真与三维电磁场有限元仿真的电涡流阻尼力预测方法可以满足NEMD设计要求.
To improve the energy dissipation efficiency of a planar eddy current damper(ECD), a nonlinear eddy-current inertial mass damper(NEMD) combining the rotary eddy-current damping with two-node inertial mass element based on ball screw mechanism is proposed in this paper. Overall conformations and working principles of the NEMD were well demonstrated. Through semi-theoretical and semi-numerical analysis, three-dimensional finite-element simulation analysis as well as mechanical performance test, axial force characteristics, and calculation method for rotary eddy-current damping of the NEMD were then obtained. A two-stage design method of the NEMD based on the semi-theoretical and semi-numerical analysis and three-dimensional electromagnetic finite-element simulation analysis was established. Results show that the double amplification of the inertial mass and the equivalent eddy-current damping coefficient of the NEMD was realized, which significantly improved the energy dissipation efficiency of the ECD. As the axial velocity of the NEMD increased, corresponding eddy-current damping force increased at the beginning, and then the eddy-current damping force began to decrease nonlinearly when the force reached a maximum. The computational accuracies of the semi-theoretical, semi-numerical analysis, and three-dimensional electromagnetic finite-element simulation analysis on the eddy-current damping could basically meet the design requirements of the NEMD.
To improve the energy dissipation efficiency of a planar eddy current damper(ECD), a nonlinear eddy-current inertial mass damper(NEMD) combining the rotary eddy-current damping with two-node inertial mass element based on ball screw mechanism is proposed in this paper. Overall conformations and working principles of the NEMD were well demonstrated. Through semi-theoretical and semi-numerical analysis, three-dimensional finite-element simulation analysis as well as mechanical performance test, axial force characteristics, and calculation method for rotary eddy-current damping of the NEMD were then obtained. A two-stage design method of the NEMD based on the semi-theoretical and semi-numerical analysis and three-dimensional electromagnetic finite-element simulation analysis was established. Results show that the double amplification of the inertial mass and the equivalent eddy-current damping coefficient of the NEMD was realized, which significantly improved the energy dissipation efficiency of the ECD. As the axial velocity of the NEMD increased, corresponding eddy-current damping force increased at the beginning, and then the eddy-current damping force began to decrease nonlinearly when the force reached a maximum. The computational accuracies of the semi-theoretical, semi-numerical analysis, and three-dimensional electromagnetic finite-element simulation analysis on the eddy-current damping could basically meet the design requirements of the NEMD.
引文
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[21]阎武通,韩冰,文永奎.新型调谐黏滞质量阻尼器对斜拉桥的减震控制分析[J].土木工程学报,2016,49(增刊1):66YAN Wutong,HAN Bing,WEN Yongkui.Seismic control analysis of cable-stayed bridge based on tuned viscous mass damper [J].China Civil Engineering Journal,2016,49(S1):66
[22]孙洪鑫,罗一帆,王修勇,等.电磁调谐双质阻尼器的参数优化及对结构减震分析[J].沈阳建筑大学学报(自然科学版),2018,34(3):410SUN Hongxin,LUO Yifan,WANG Xiuyong,et al.Parametric optimization and vibration control of electromagnetic tuned mass-inerter dampers for the structures [J].Journal of Shenyang Jianzhu University (Natural Science),2018,34(3):410
[2] 杨毅青,徐东东.基于电涡流阻尼器的数控加工振动抑制[J].振动与冲击,2016,35(4):177YANG Yiqing,XU Dongdong.Vibration suppression of NC machining based on eddy current dampers [J].Journal of Vibration and Shock,2016,35(4):177
[3] 王昊,游进,张志成.电涡流阻尼器构型比较与阻尼特性研究[J].载人航天,2017,23(2):197WANG Hao,YOU Jin,ZHANG Zhicheng.Damper characteristic analysis and different configurations comparisons of eddy current damper [J].Manned Spaceflight,2017,23(2):197
[4] 汪志昊,陈政清.永磁式电涡流调谐质量阻尼器的研制与性能试验[J].振动工程学报,2013,26(3):374 WANG Zhihao,CHEN Zhengqing.Development and performance tests of an eddy-current tuned mass damper with permanent magnets[J].Journal of Vibration Engineering,2013,26(3):374
[5] 华旭刚,温青,陈政清,等.大跨度双层曲线斜拉桥人致振动减振优化与实测验证[J].振动工程学报,2016,29(5):822 HUA Xugang,WEN Qing,CHEN Zhengqing,et al.Design and experimental validation of structural vibration control of a curved twin-deck cable-stayed bridge subject to pedestrians [J].Journal of Vibration Engineering,2016,29(5):822
[6] WANG W X,DALTON D,HUA X G,et al.Experimental study on vibration control of a submerged pipeline model by eddy current tuned mass damper [J].Applied Sciences,2017,7(10):987.DOI:10.3390/app7100987
[7] LU X L,ZHANG Q,WENG D G,et al.Improving performance of a super tall building using a new eddy-current tuned mass damper[J].Structural Control and Health Monitoring,2017,24(3):e1882.DOI:10.1002/stc.1882
[8] 陈政清,张弘毅,黄智文.板式电涡流阻尼器有限元仿真与参数优化[J].振动与冲击,2016,35(18):123CHEN Zhengqing,ZHANG Hongyi,HUANG Zhiwen.FEM simulation and parameter optimization of a planar eddy current damper [J].Journal of Vibration and Shock,2016,35(18):123
[9] 汪志昊,张闯,周佳贞,等.新型装配式竖向电涡流TMD试验研究[J].振动与冲击,2017,36(1):16 WANG Zhihao,ZHANG Chuang,ZHOU Jiazhen,et al.Experimental study on a prefabricated eddy-current TMD for vibration control of footbridges [J].Journal of Vibration and Shock,2017,36(1):16
[10]ZHANG H,KOU B,JIN Y,et al.Modeling and analysis of a novel planar eddy current damper [J].Journal of Applied Physics,2014,115(17):19.DOI:10.1063/1.4862516
[11]SMITH M C.Synthesis of mechanical networks:the inerter [J].IEEE Transactions on Automatic Control,2002,47(10):1648.DOI:10.1109/TAC.2002.803532
[12]陈政清.三元被动减振理论与它的一种实现方式-电涡流轴向阻尼器[M]// 中国工程院.防震减灾新技术.北京:高等教育出版社,2016:40
[13]毛明,王乐,陈轶杰,等.惯容器及惯容器-弹簧-阻尼器悬架研究进展[J].兵工学报,2016,37(3):525MAO Ming,WANG Le,Chen Yijie,et al.Research progress in inerter and inerter-spring-damper suspension [J].Acta Armamentarii,2016,37(3):525
[14]孙晓强,陈龙,汪少华,等.滚珠丝杠式惯容器非线性建模与参数辨识[J].振动、测试与诊断,2016,36(2):329 SUN Xiaoqiang,CHEN Long,WANG Shaohua,et al.Nonlinear modeling and parameters identification of ball-screw inerter [J].Journal of Vibration Measurement and Diagnosis,2016,36(2):329
[15]陈龙,张孝良,聂佳梅,等.基于半车模型的两级串联型ISD悬架性能分析[J].机械工程学报,2012,48(6):102CHEN Long,ZHANG Xiaoliang,NIE Jiamei,et al.Performance analysis of two-stage series-connected inerter-spring-damper suspension based on half-car model[J].Journal of Mechanical Engineering,2012,48(6):102
[16]陈龙,任皓,汪若尘,等.液力式惯容器力学性能仿真与试验研究[J].振动与冲击,2014,33(12):87 CHEN Long,REN Hao,WANG Ruochen,et al.Simulations and tests for mechanical properties of a hydraulic inerter[J].Journal of Vibration and Shock,2014,33(12):87
[17]IKAGO K,SAITO K,INOUE N.Seismic control of single-degree-of-freedom structure using tuned viscous mass damper [J].Earthquake Engineering and Structural Dynamics,2012,41(3):453.DOI:10.1002/eqe.1138
[18]罗浩,张瑞甫,翁大根,等.一种旋转黏滞质量阻尼器对结构响应的控制研究[J].防灾减灾工程学报,2016,36(2):295 LUO Hao,ZHANG Ruifu,WENG Dagen,et al.Study of a series viscous mass damper in the control of structural response[J].Journal of Disaster Prevention and Mitigation Engineering,2016,36(2):295
[19]NAKAMURA Y,FUKUKITA A,TAMURA K,et al.Seismic response control using electromagnetic inertial mass dampers [J].Earthquake Engineering and Structural Dynamics,2014,43(4):507.DOI:10.1002/eqe.2355
[20]黄智文.电涡流阻尼器理论研究及其在桥梁竖向涡振控制中的应用[D].长沙:湖南大学,2016HUANG Zhiwen.Theoretical study of eddy current damper and its application in vertical vortex induced vibration control of bridges [D].Changsha:Hunan University,2016
[21]阎武通,韩冰,文永奎.新型调谐黏滞质量阻尼器对斜拉桥的减震控制分析[J].土木工程学报,2016,49(增刊1):66YAN Wutong,HAN Bing,WEN Yongkui.Seismic control analysis of cable-stayed bridge based on tuned viscous mass damper [J].China Civil Engineering Journal,2016,49(S1):66
[22]孙洪鑫,罗一帆,王修勇,等.电磁调谐双质阻尼器的参数优化及对结构减震分析[J].沈阳建筑大学学报(自然科学版),2018,34(3):410SUN Hongxin,LUO Yifan,WANG Xiuyong,et al.Parametric optimization and vibration control of electromagnetic tuned mass-inerter dampers for the structures [J].Journal of Shenyang Jianzhu University (Natural Science),2018,34(3):410