安装复位型压电摩擦阻尼器模型结构控振试验研究
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摘要
设计具有复位功能的压电摩擦阻尼器,据输电塔模型结构受力及变形特点提出两种阻尼器安装方式,即杆件连接与绳索连接;对模型结构进行模拟地震振动台试验研究。基于两种阻尼器安装方式特点,建立以应变响应及速度响应为输入的模糊控制策略;测试EL-Centro地震波作用时输电塔结构模型在无控、被动控制及模糊控制下的地震响应。结果表明,压电摩擦阻尼器能有效减小模型结构的地震峰值效应;以应变、速度响应为输入的模糊控制算法,系统简单易于实际工程操作,能据结构动力反应实时调整阻尼器的摩擦力实现对结构减振控制。
A kind of piezoelectric friction damper with reset function was designed. According to the force and deformation characteristics of a transmission tower structure,two damper installation ways namely,the bar connection type and rope connection type were put forward. Corresponding simulated earthquake shaking table tests were carried out on a model structure. Based on the characteristics of the two ways of damper installation,a fuzzy control strategy with strain response and speed response as the inputs was established. Seismic responses of the transmission tower structure with noncontrol,passive control and semi-active control were tested under EL-Centro seismic wave excitation. The experimental results show that the piezoelectric friction damper can effectively reduce the seismic peak of the model structure under both the ways of damper installation. The fuzzy control algorithm with strain response and speed response as the inputs is simple in strusture and is easy to be operated in actual applications. It can change in real time the damper friction according to the dynamic responses of the structure to realize the vibration control of structures.
A kind of piezoelectric friction damper with reset function was designed. According to the force and deformation characteristics of a transmission tower structure,two damper installation ways namely,the bar connection type and rope connection type were put forward. Corresponding simulated earthquake shaking table tests were carried out on a model structure. Based on the characteristics of the two ways of damper installation,a fuzzy control strategy with strain response and speed response as the inputs was established. Seismic responses of the transmission tower structure with noncontrol,passive control and semi-active control were tested under EL-Centro seismic wave excitation. The experimental results show that the piezoelectric friction damper can effectively reduce the seismic peak of the model structure under both the ways of damper installation. The fuzzy control algorithm with strain response and speed response as the inputs is simple in strusture and is easy to be operated in actual applications. It can change in real time the damper friction according to the dynamic responses of the structure to realize the vibration control of structures.
引文
[1]瞿伟廉,陈朝晖,徐幼麟.压电材料智能摩擦阻尼器对高耸钢塔结构风振反应的半主动控制[J].地震工程与工程振动,2000,20(1):94-99.QU Wei-lian,CHEN Zhao-hui,XU You-lin.Wind-induced vibration control of high-rise steel-truss tower using piezoelectric smart friction dampers[J].Earthquake Engineering and Engineering Vibration,2000,20(1):94-99.
[2]苏原,梅真,董平.基于智能压电摩擦阻尼器的Benchmark模型风振响应半主动控制[J].华中科技大学学报:城市科学版,2009,26(2):52-59.SU Yuan,MEI Zhen,DONG Ping.Wind vibration response semi-active control of the Benchmark model based on intelligent piezoelectric friction damper[J].Journal of Huazhong University of Science and Technology:Urban Science Edition,2009,26(2):52-59.
[3]戴纳新,谭平,周福霖.新型压电变摩擦阻尼器的研发与性能试验[J].地震工程与工程振动,2013,33(3):205-214.DAI Na-xin,TAN Ping,ZHOU Fu-lin.Piezoelectric variable friction damper and its performance experiment analysis[J].Earthquake Engineering and Engineering Vibration,2013,33(3):205-214.
[4]Ng L C,Xu Y L.Semi-active control of a building complex with variable friction dampers[J].Engineering Structures,2007,29(6):1209-1225.
[5]阎石,林皋,李晓光,等.相邻建筑结构的模糊振动控制[J].地震工程与工程振动,2000,20(2):39-43.YAN Shi,LIN Gao,LI Xiao-guang,et al.Fuzzy vibration control of adjacent structures[J].Earthquake Engineering and Engineering Vibration,2000,20(2):39-43.
[6]Aldawod M,Samali B,Naghdy F.Active control of along wind response of all building using a fuzzy controller[J].Engineering Structures,2001,23:1512-1522.
[7]赵大海,李宏男.模型结构的压电摩擦阻尼减振控制试验研究[J].振动与冲击,2011,30(6):272-276.ZHAO Da-hai,LI Hong-nan.Seismic reduction tests of a model structure with piezoelectric friction damper[J].Journal of Vibration and Shock,2011,30(6):272-276.
[8]欧进萍.结构振动控制-主动、半主动和智能控制[M].北京:科学出版社,2003.
[9]陈波,瞿伟廉,郑瑾.输电塔线体系风振反应的半主动摩擦阻尼控制[J].工程力学,2009,26(1):221-226.CHEN Bo,QU Wei-lian,ZHENG Jin.Semi-active control for wind-induced responses of transmission tower-line system using friction dampers[J].Engineering Mechanics,2009,26(1):221-226.
[10]He W L,Agrawal A K,Yang J N.Novel semi-active friction controller for linear structures against earthquakes[J].Journal of Structural Engineering,2003,129(7):941-950.
[11]黄卫华.模糊控制系统及应用[M].北京:电子工业出版社,2012.
[12]李少远,王景成.智能控制[M].北京:机械工业出版社,2005.
[13]孙增圻,邓志东,张再兴.智能控制理论与技术[M].北京:清华大学出版社,2011.
[14]赵大海.基于压电摩擦阻尼器的结构振动控制理论与试验研究[D].大连:大连理工大学,2008.
[2]苏原,梅真,董平.基于智能压电摩擦阻尼器的Benchmark模型风振响应半主动控制[J].华中科技大学学报:城市科学版,2009,26(2):52-59.SU Yuan,MEI Zhen,DONG Ping.Wind vibration response semi-active control of the Benchmark model based on intelligent piezoelectric friction damper[J].Journal of Huazhong University of Science and Technology:Urban Science Edition,2009,26(2):52-59.
[3]戴纳新,谭平,周福霖.新型压电变摩擦阻尼器的研发与性能试验[J].地震工程与工程振动,2013,33(3):205-214.DAI Na-xin,TAN Ping,ZHOU Fu-lin.Piezoelectric variable friction damper and its performance experiment analysis[J].Earthquake Engineering and Engineering Vibration,2013,33(3):205-214.
[4]Ng L C,Xu Y L.Semi-active control of a building complex with variable friction dampers[J].Engineering Structures,2007,29(6):1209-1225.
[5]阎石,林皋,李晓光,等.相邻建筑结构的模糊振动控制[J].地震工程与工程振动,2000,20(2):39-43.YAN Shi,LIN Gao,LI Xiao-guang,et al.Fuzzy vibration control of adjacent structures[J].Earthquake Engineering and Engineering Vibration,2000,20(2):39-43.
[6]Aldawod M,Samali B,Naghdy F.Active control of along wind response of all building using a fuzzy controller[J].Engineering Structures,2001,23:1512-1522.
[7]赵大海,李宏男.模型结构的压电摩擦阻尼减振控制试验研究[J].振动与冲击,2011,30(6):272-276.ZHAO Da-hai,LI Hong-nan.Seismic reduction tests of a model structure with piezoelectric friction damper[J].Journal of Vibration and Shock,2011,30(6):272-276.
[8]欧进萍.结构振动控制-主动、半主动和智能控制[M].北京:科学出版社,2003.
[9]陈波,瞿伟廉,郑瑾.输电塔线体系风振反应的半主动摩擦阻尼控制[J].工程力学,2009,26(1):221-226.CHEN Bo,QU Wei-lian,ZHENG Jin.Semi-active control for wind-induced responses of transmission tower-line system using friction dampers[J].Engineering Mechanics,2009,26(1):221-226.
[10]He W L,Agrawal A K,Yang J N.Novel semi-active friction controller for linear structures against earthquakes[J].Journal of Structural Engineering,2003,129(7):941-950.
[11]黄卫华.模糊控制系统及应用[M].北京:电子工业出版社,2012.
[12]李少远,王景成.智能控制[M].北京:机械工业出版社,2005.
[13]孙增圻,邓志东,张再兴.智能控制理论与技术[M].北京:清华大学出版社,2011.
[14]赵大海.基于压电摩擦阻尼器的结构振动控制理论与试验研究[D].大连:大连理工大学,2008.