 Wysłany: Sob 23:59, 07 Maj 2011 Temat postu: ed hardy bikinit Piezoelectric Vibration Control o |
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Vibration control of piezoelectric smart beam spline wavelet decomposition 3147 weeks again,abercrombie et fitch, and, by the king in mind. Based on wavelet analysis of piezoelectric cantilever plate power control mode. Mechanics, 1998; 30 (6) :719-7278ZhouYouHe, WangJizeng, ZhengXiaoJing, eta1. Vi-brationcontrolofvariablethicknessplateswithpiezo-electricsensorandactuatorbasedonwavelettheory. JournalofSoundandVibration, 2000; 237 (3) :395-4109 ZHOU and, Zheng X. Temperature environment, circular plate of piezoelectric active control of the frequency. Mechanics, 199 830 (1) :58-6410 weeks again, and,abercrombie günstig, Zheng X. Structural Mechanics of electromagnetic solids. Beijing: Science Press, 199 911 Cuijin Tai [U.S.] a,tory burch London, Wavelets translation. Introduction to wavelet analysis. Xi'an: Xi'an Jiaotong University Press, 199512 Shen Pengcheng. Multivariable spline finite element. Beijing: Science Press, 19978642O2468OOOOOOOO284 Vibration Engineering Volume 15 SplineWaveletDecompositionMethodforVibrationControlofPiez0electricSmartBearnsWangdieZhouYouhP (DepartmentofMechanics, LanzhouUniversityLanzhou, 730000) AbstractBasedontheLagrange'sdynamicequations, anewmethodforactivevibrationcontrolofpiezoelectricsmartbeamsisdevelopedusingsplinewaveletdecompositioninthispaper. Firstly, thedeflectionofthebeamisdecomposedintocompo-nentsindifferentfrequencybandswithsplinewaveletdecomposition. Neglectinghighorderfrequencycomponentsthediffer-entialequationsoftheclosed - loopsystemarederived. Then, theobserveddeflectionofthebeamistransformedthroughscalingfunction. DuetOthescalingfunctionisalowpasswindowfunction, afterscalingfunctiontransformationthedeflec-tiondoesn'tincludehighorderfrequencycomponents. Itcaneliminateobservationspillover, whichusuallymakestheclosed-loopsystemunstable. Finally, anumericalsimulationexampleshowsthatthemethodsuggestedinthispaperiseffectiveandsimplerthanconventionalmethod. Keywords: smartstructures; vibrationcontrol; splinefunction; waveletdecompositioniobservationspillover the first of the men and Wang Jie, MA, April 1975,ed hardy bikinit, 1O students. Tel: (0931) 8912447; E-mail: wjs2000 @ sina. com 相关的主题文章： Abercrombie and Fitch Bobst Folding industry in Ch magasin abercrombie South China city of Shenzhen P ed hardy bikinit Current situation of plastic wast |
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