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http://dx.doi.org/10.5050/KSNVN.2003.13.8.612

Vibration Control of Hybrid Smart Structure Using ER Fluids and Piezoelectric Ceramics  

윤신일 (경남대학교 대학원 기계설계학과)
박근효 (경남대학교 대학원 기계설계학과)
한상보 (경남대학교 기계자동화공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.13, no.8, 2003 , pp. 612-618 More about this Journal
Abstract
A hybrid vibration control scheme using ER fluid and PZT patches is proposed. Dynamic characteristics of the beam embedded with the ER fluid can be controled by changing the strength of the electric field applied on the ER fluid, thus provides a mean to avoid the resonance. It was found that active vibration control of the structure embedded with ER fluid failed to suppress the vibration excited with broad band frequency due to the limited change of the dynamic characteristics of the structure. To compensate this limited effect of the control scheme with ER fluid alone, PPF control using PZT patches as sensors and actuators is added to construct a hybrid controller. Experimental results suggests that proposed hybrid controller is effective to suppress the additional resonance vibration that appears when each controller is used alone.
Keywords
Hybrid Smart Structure; ER Fluids(electro-rheological fludis); PPF Contorl(positive position feedback); Piezoelectric Ceramics;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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