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논문 기본 정보

자료유형
학술대회자료
저자정보
Mhia Md. Zaglul Shahadat (Saitama University) Takeshi Mizuno (Saitama University) Yuji Ishino (Saitama University) Masaya Takasaki (Saitama University)
저널정보
제어로봇시스템학회 제어로봇시스템학회 국제학술대회 논문집 ICCAS 2010
발행연도
2010.10
수록면
1,946 - 1,951 (6page)

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초록· 키워드

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Realizing an active horizontal suspension system using negative stiffness for attenuating the effect of direct disturbance to the isolation table is presented in this paper. The inclination of the suspension system causes dislocation of the suspended table. The vibration isolation characteristics of the proposed active system controlled by negative stiffness controller are investigated on horizontal and inclined surface in this study. Negative stiffness is accomplished between the isolation table and the middle mass and positive stiffness is accomplished between the middle mass and the base. The transfer function approach is used to design the controllers. The infinite stiffness and the corresponding zero compliance to the isolation table against direct static disturbance is achieved by series combination of the negative stiffness and positive stiffness of equal magnitude. Both the isolation table and the middle mass are driven by voice coil motors (VCMs) according to the relative displacements of the table and mass which are measured with eddy current gap sensors. The control method for realizing negative stiffness as well as infinite stiffness to the isolation table with VCM is presented analytically. The validity of this technique is confirmed experimentally and theoretically. The results show that the active system with proposed control method can suppress direct static and dynamics disturbances associated with horizontal translation.

목차

Abstract
1. INTRODUCTION
2. PRINCIPLE OF VIBRATION ISOLATION
3. DESIGN OF CONTROL SYSTEM
4. EXPERIMENT
5. CONCLUSION
ACKNOWLEDGEMENT
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2014-569-000940648