结构非线性振动智能控制试验与分析
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摘要
在结构动力学与控制领域中,试验验证对于理论与数值研究是非常重要的.但是,目前的模型试验大部分都只考虑结构的线性行为,所以考虑结构非线性振动的试验模型成为一个研究热点.采用磁流变旋转阻尼器来模拟结构中的塑性铰,并通过调整输入到此旋转阻尼器中的电压来实现不同的非线性行为,然后在不同的非线性行为下验证了动态神经网络观测器和自适应模糊滑模控制算法的有效性.试验结果表明建立的结构非线性试验模型可以在试验完成后不需要任何代价而恢复到初始状态,并且能够实现不同的非线性行为,同时采用的智能控制算法对结构非线性振动也有较好的控制作用.
Experimental verification of structural dynamics and control strategies is essential for theoretical and numerical study,but only the linearity of the structures was studied in the existing model tests.Therefore, recently there has been an increasing interest in research of establishing experimental model for structural nonlinear vibration.In this paper,MagnetoRheological(MR) rotary brake is used to mimic the plastic hinge of structure so as to analyze structural nonlinear vibration.By means of adjusting the input voltage to MR rotary brakes,different nonlinear behaviors can be detected.Moreover,the dynamical neural network and adaptive fuzzy sliding mode control have been experimentally verified under different nonlinear behaviors by incorporating MR damper into this experimental model.Experimental results show that the structural nonlinear vibration model which is established in this paper can be recovered to initial state without any cost after nonlinear vibration tests.In addition,different nonlinear behaviors can be achieved by changing the input voltage to MR rotary brakes.The intelligent control algorithms are experimentally verified to be suitable for control of structural nonlinear vibration.
Experimental verification of structural dynamics and control strategies is essential for theoretical and numerical study,but only the linearity of the structures was studied in the existing model tests.Therefore, recently there has been an increasing interest in research of establishing experimental model for structural nonlinear vibration.In this paper,MagnetoRheological(MR) rotary brake is used to mimic the plastic hinge of structure so as to analyze structural nonlinear vibration.By means of adjusting the input voltage to MR rotary brakes,different nonlinear behaviors can be detected.Moreover,the dynamical neural network and adaptive fuzzy sliding mode control have been experimentally verified under different nonlinear behaviors by incorporating MR damper into this experimental model.Experimental results show that the structural nonlinear vibration model which is established in this paper can be recovered to initial state without any cost after nonlinear vibration tests.In addition,different nonlinear behaviors can be achieved by changing the input voltage to MR rotary brakes.The intelligent control algorithms are experimentally verified to be suitable for control of structural nonlinear vibration.
引文
1 Chung LL,Reinhorn AM,Soong TT.Experiments on active control of seismic structures.Journal of Engineering Mechanics,1988,114:241-256
2 Chung LL,Lin RC,Soong TT,et al.Experiments on active control for MDOF seismic structures.Journal of Engineering Mechanics,1989,115(8):1609-1627
3 Soong TT,Reinhorn AM,Yang JN.Active response control of building structures under seismic excitation.In: Proceedings of 9th World Conference on Earthquake Engineering, Tokyo,Japan,1988,8.453-458
4 Soong TT,Reinhorn AM,Wang YP,et al.Full scale implementation of active control I:design and simulation.Journal of Engineering Mechanics,1991,117(11):3516-3536
5 Reinhorn AM,Soong TT,et al.Full scale implementation of active controlⅡ:installation and performance.Journal of Engineering Mechanics,1993,119(6):1935-1960
6 Loh CH,Lin PY,Chung NH.Experimental verification of building control using active bracing system.Earthquake Engineering and Structural Dynamics,1999,28: 1099-1119
7 Wu JC.Experiment on a full-scale building model using modified sliding mode control.Journal of Engineering Mechanics, 2003,129(4):363-372
8田石柱,刘季.结构模型的AMD主动控制试验.地震工程与工程振动,1999,19(4):90-94(Tian Shizhu,Liu Ji.Active structural control of model with active mass damper. Earthquake Engineering and Engineering Vibration,1999, 19(4):90-94(in Chinese))
9欧进萍,王刚,田石柱.海洋平台结构振动的AMD主动控制试验研究.高技术通讯,2002,10:85-90(Ou Jinping,Wang Gang,Tian Shizhu.Experimental research on AMD control of structural vibration of offshore platform.High Technology Letters,2002,10:85-90(in Chinese))
10张春巍,欧进萍.结构振动的电磁驱动AMD系统控制策略与试验.噪声与振动控制,2006,5:9-13(Zhang Chunwei,Ou Jinping.Control strategies and experiments of the electromagnetic mass damper control system for structural vibration. Noise and Vibration Control,2006,5:9-13(in Chinese))
11张春巍,欧进萍.电磁驱动AMD系统控制结构地震响应的振动台试验.地震工程于工程振动,2006,26(2):104-110(Zhang Chunwei,Ou Jinping.Shaking table tests of electromagnetic mass damper system for control of structural seismic response.Earthquake Engineering and Engineering Vibration, 2006,26(2):104-110(in Chinese))
12李忠献,姜南,徐龙河等.不同控制策略下安装磁流变阻尼器的模型结构振动台试验与分析.建筑结构学报,2004,25(6):15-21 (Li Zhongxian,Jiang Nan,Xu Longhe,et al.Shaking table test and analysis of model structure installed magnetorheological damper under different control strategies.Journal of Building Structures,2004,25(6):15-21(in Chinese))
13周福霖,谭平,阎维明.新型半主动控制系统的理论与试验研究.中国科技论文在线,2007,2(9):621-628(Zhou Fulin,Tan Ping,Yan Weiming.Experimental and theoretical study on a new semi-active control system.Sciencepaper Online, 2007,2(9):621-628(in Chinese))
14张微敬,欧进萍.多层结构基于静态输出反馈的主动控制试验研究.振动与冲击,2007,26(8):158-161(Zhang Weijing, Ou Jinping.Experiments on active control of multi-story structure using static output feedback.Journal of Vibration and Shock,2007,26(8):158-161(in Chinese))
15 Soong TT.Experimental simulation of degrading struc- tures through active control.Earthquake Engineering and Structural Dynamics,1998,27:143-154
16 Reynolds WE,Christenson RE.Bench-scale nonlinear test structure for structural control research.Engineering Structures,2006,28:1182-1189
17 Li LY,Ou JP.Dynamical neural network observer design for the nonlinear vibration model of structure.In:Proceedings of the 4th China-Japan-US Symposium of Structural Control and Monitoring,Hangzhou,China,2006
18李芦钰,欧进萍.结构非线性振动的自适应模糊滑模控制.振动工程学报,2006,19(3):96-103(Li Luyu,Ou Jinping. Adaptive fuzzy sliding mode control for nonlinear vibration reduction of structure.Journal of Vibration Engineering, 2006,19(3):96-103(in Chinese))
2 Chung LL,Lin RC,Soong TT,et al.Experiments on active control for MDOF seismic structures.Journal of Engineering Mechanics,1989,115(8):1609-1627
3 Soong TT,Reinhorn AM,Yang JN.Active response control of building structures under seismic excitation.In: Proceedings of 9th World Conference on Earthquake Engineering, Tokyo,Japan,1988,8.453-458
4 Soong TT,Reinhorn AM,Wang YP,et al.Full scale implementation of active control I:design and simulation.Journal of Engineering Mechanics,1991,117(11):3516-3536
5 Reinhorn AM,Soong TT,et al.Full scale implementation of active controlⅡ:installation and performance.Journal of Engineering Mechanics,1993,119(6):1935-1960
6 Loh CH,Lin PY,Chung NH.Experimental verification of building control using active bracing system.Earthquake Engineering and Structural Dynamics,1999,28: 1099-1119
7 Wu JC.Experiment on a full-scale building model using modified sliding mode control.Journal of Engineering Mechanics, 2003,129(4):363-372
8田石柱,刘季.结构模型的AMD主动控制试验.地震工程与工程振动,1999,19(4):90-94(Tian Shizhu,Liu Ji.Active structural control of model with active mass damper. Earthquake Engineering and Engineering Vibration,1999, 19(4):90-94(in Chinese))
9欧进萍,王刚,田石柱.海洋平台结构振动的AMD主动控制试验研究.高技术通讯,2002,10:85-90(Ou Jinping,Wang Gang,Tian Shizhu.Experimental research on AMD control of structural vibration of offshore platform.High Technology Letters,2002,10:85-90(in Chinese))
10张春巍,欧进萍.结构振动的电磁驱动AMD系统控制策略与试验.噪声与振动控制,2006,5:9-13(Zhang Chunwei,Ou Jinping.Control strategies and experiments of the electromagnetic mass damper control system for structural vibration. Noise and Vibration Control,2006,5:9-13(in Chinese))
11张春巍,欧进萍.电磁驱动AMD系统控制结构地震响应的振动台试验.地震工程于工程振动,2006,26(2):104-110(Zhang Chunwei,Ou Jinping.Shaking table tests of electromagnetic mass damper system for control of structural seismic response.Earthquake Engineering and Engineering Vibration, 2006,26(2):104-110(in Chinese))
12李忠献,姜南,徐龙河等.不同控制策略下安装磁流变阻尼器的模型结构振动台试验与分析.建筑结构学报,2004,25(6):15-21 (Li Zhongxian,Jiang Nan,Xu Longhe,et al.Shaking table test and analysis of model structure installed magnetorheological damper under different control strategies.Journal of Building Structures,2004,25(6):15-21(in Chinese))
13周福霖,谭平,阎维明.新型半主动控制系统的理论与试验研究.中国科技论文在线,2007,2(9):621-628(Zhou Fulin,Tan Ping,Yan Weiming.Experimental and theoretical study on a new semi-active control system.Sciencepaper Online, 2007,2(9):621-628(in Chinese))
14张微敬,欧进萍.多层结构基于静态输出反馈的主动控制试验研究.振动与冲击,2007,26(8):158-161(Zhang Weijing, Ou Jinping.Experiments on active control of multi-story structure using static output feedback.Journal of Vibration and Shock,2007,26(8):158-161(in Chinese))
15 Soong TT.Experimental simulation of degrading struc- tures through active control.Earthquake Engineering and Structural Dynamics,1998,27:143-154
16 Reynolds WE,Christenson RE.Bench-scale nonlinear test structure for structural control research.Engineering Structures,2006,28:1182-1189
17 Li LY,Ou JP.Dynamical neural network observer design for the nonlinear vibration model of structure.In:Proceedings of the 4th China-Japan-US Symposium of Structural Control and Monitoring,Hangzhou,China,2006
18李芦钰,欧进萍.结构非线性振动的自适应模糊滑模控制.振动工程学报,2006,19(3):96-103(Li Luyu,Ou Jinping. Adaptive fuzzy sliding mode control for nonlinear vibration reduction of structure.Journal of Vibration Engineering, 2006,19(3):96-103(in Chinese))
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