基于振动能量回收的自供电MR阻尼器集成与试验研究
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摘要
为使磁流变(MR)阻尼器摆脱对外部电源的依赖,基于振动能量回收技术构建了由旋转式永磁直流电机与只需较小能量供给的MR阻尼器集成的自供电MR阻尼器减振系统,测试了能量回收电机的电学性能与自供电MR阻尼器的力学性能,并定性分析了自供电MR阻尼器被动控制的减振机理。结果表明:自供电MR阻尼器可行性强,性能优越,且兼具速度反馈与离复位控制特性。
To make magnetorheological(MR) dampers be free from dependence on an external power supply,a self-powered MR damper control system was built using a rotary permanent magnet direct-current(DC) motor integrated with a MR damper with lower power requirement based on vibrational energy harvesting technology.Its feasibility,advantages and control mechanism were illustrated through test investigations.Both the electrical properties of the energy harvesting motor and the mechanical performances of the self-powered MR damper were measured.In addition,the passive control mechanism of the self-powered MR damper was qualitatively analyzed.The results showed that the selfpowered MR damper has higher feasibilities and excellent performances with characteristics of both velocity feedback control and off-and-towards-equilibrium control.
To make magnetorheological(MR) dampers be free from dependence on an external power supply,a self-powered MR damper control system was built using a rotary permanent magnet direct-current(DC) motor integrated with a MR damper with lower power requirement based on vibrational energy harvesting technology.Its feasibility,advantages and control mechanism were illustrated through test investigations.Both the electrical properties of the energy harvesting motor and the mechanical performances of the self-powered MR damper were measured.In addition,the passive control mechanism of the self-powered MR damper was qualitatively analyzed.The results showed that the selfpowered MR damper has higher feasibilities and excellent performances with characteristics of both velocity feedback control and off-and-towards-equilibrium control.
引文
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[14]杨润林,闫维明,周锡元,等.基于离复位控制策略的结构振动控制研究[J].工程力学,2006,23(5):1-8.YANG Run-lin,YAN Wei-ming,ZHOU Xi-yuan,et al.Study on vibration control of structures based on the off-and-towards-equilibrium control strategy[J].Engineering Mechanics,2006,23(5):1-8.
[2]陈政清,汪志昊.基于能量回收的土木工程结构振动控制[J].建筑科学与工程学报,2009,26(2):9-14.CHEN Zheng-qing,WANG Zhi-hao.Structural vibration control based on energy harvesting in civil engineering[J].Journal of Architecture and Civil Engineering,2009,26(2):9-14.
[3]孙作玉,刘季.结构振动控制的无能源主动控制[J].地震工程与工程震动,1999,19(3):102-105.SUN Zuo-yu,LIU Ji.Active structural vibration control without power supply[J].Journal of Earthquake Engineering and Engineering Vibration,1999,19(3):102-105.
[4]Nerves A C,Krishnan R.A strategy for active control of tall civil structures using regenerative electric actuators[C].Proceedings of11th ASCE Engineering Mechanics Specialists Conference,Florida,1996,503-506.
[5]Scruggs J T,Lindner D.Active energy control in civil structures[C].Proceedings of SPIE Conference on Smart systems for Bridges,Structures,and Highways,California,1999,3671:194-205.
[6]Scruggs J T,Iwan W D.Control of a civil structure using an electric machine with semi-active capability[J].ASCE Journal of Structural Engineering,2003,129(7):951-959.
[7]Scruggs J T,Cassidy I L,Behrens S.Design and experimental characterization of a three-phase,1KN regenerative actuator[C].Proceedings of5th World Conference on Structural Control and Monitoring,Tokyo,2010,038(1-10).
[8]Cho S W,Jung H J,Lee I W.Smart passive system based on magnetorheological damper[J].Smart Materials and Structures,2005,14:707-714.
[9]Choi K M,Jung H J,Lee H J,et al.Feasibility study of an MR damper-based smart passive control system employing an electromagnetic induction device[J].Smart Materials and Structures,2007,16:2323-2329.
[10]Sapiński B.An experimental electromagnetic induction device for a magnetorheological damper[J].Journal of Theoretical and Applied Mechanics,2008,46(4):933-947.
[11]Choi Y T,Wereley N M.Self-powered magnetorheological dampers[J].Journal of Vibration and Acoustics,2009,131:044501(1-5).
[12]Gupta A,Jendrzejczyk J A,Mulcahy T M,et al.Design of electromagnetic shock absorbers[J].International Journal of Mechanics and Materials in Design,2006,3:285-291.
[13]禹见达,陈政清,王修勇,等.改进的Bang-Bang控制算法的理论与试验研究[J].振动与冲击,2010,29(2):60-63.YU Jian-da,CHEN Zheng-qing,WANG Xiu-yong,et al.Theoretical and experimental study on an improved Bang-Bang control algorithm[J].Journal of Vibration and Shock,2010,29(2):60-63.
[14]杨润林,闫维明,周锡元,等.基于离复位控制策略的结构振动控制研究[J].工程力学,2006,23(5):1-8.YANG Run-lin,YAN Wei-ming,ZHOU Xi-yuan,et al.Study on vibration control of structures based on the off-and-towards-equilibrium control strategy[J].Engineering Mechanics,2006,23(5):1-8.
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