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http://dx.doi.org/10.3795/KSME-A.2009.33.11.1347

Development of the Six Degree-of-Freedom Active Vibration Isolation System by Using a Phase Compensated Velocity Sensor  

Kim, Yong-Dae (LG전자 HAC 연구소 CM 그룹)
Kim, Sang-Yoo (LG전자 HAC 사업부)
Park, Kyi-Hwan (광주과학기술원 기전공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.33, no.11, 2009 , pp. 1347-1352 More about this Journal
Abstract
Magnetic force driven six degree-of-freedom active vibration isolation system is developed. The velocity sensor using an electromagnetic principle that is commonly used in the vibration control is investigated since its phase lead characteristic causes an instability problem for a low frequency vibration. A lag-type compensator is adopted to reduce the phase lead and the stability test is performed by using a Bode analysis. The performance of the AVIS is validated by comparing with the passive isolation system by using the frequency responses.
Keywords
Active Vibration Isolation System; Velocity Sensor; Phase Compensate;
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  • Reference
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