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《Noise and Vibration Control》 2008-02
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The Effects of Little Intermediate Mass on Power Flow

ZHANG Ke-guo,WANG Shi-huan,LIN Shu-xia(School of Information Engineering,Shandong University at Weihai,Weihai Shandong 264209,China)  
Based on mobility matrices,the control mechanism of little intermediate mass inserting in isolator is studied theoretically,deriving the expressions of the power flow spectra and plotting its curve.The studies show that the active control can be executed on every support separately,which makes it possible that adopting active control on linear and rotatory motion.The isolation effect at high frequencies can be improved by inserting the intermediate mass.The medium mass and the base's stiffness can affect the positions of their resonance respectively,which can be used to acquire wide isolation frequencies range.
【CateGory Index】: TB535
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【Citations】
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