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|Title:||Active vibration control of composite beams with piezoelectrics: A finite element model with third order theory|
|Citation:||Peng, X.Q.,Lam, K.Y.,Liu, G.R. (1998-01-29). Active vibration control of composite beams with piezoelectrics: A finite element model with third order theory. Journal of Sound and Vibration 209 (4) : 635-649. ScholarBank@NUS Repository.|
|Abstract:||A finite element model based on third order laminate theory is developed for the active position control and vibration control of composite beams with distributed peizoelectric sensors and actuators. The direct peizoelectric equation is used to calculate the total charge created by the strains on the sensor electrodes; and the actuators provide a damping effect on the composite beam by coupling a negative velocity feedback control algorithm in a closed control loop. The shape control and active vibration suppression of a cantilever composite beam are performed to verify the proposed model. A modal superposition technique and the Newmark-β method are used in the numerical analysis to compute the dynamic response of composite beams. Finally, the effects of the number and locations of the sensors/actuators on the control system are also investigated. © 1998 Academic Press Limited.|
|Source Title:||Journal of Sound and Vibration|
|Appears in Collections:||Staff Publications|
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