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논문 기본 정보

자료유형
학술저널
저자정보
Giman Kim (Kumoh National Institute of Technology) Seongdae Choi (Kumoh National Institute of Technology)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제19권 제7호
발행연도
2020.7
수록면
98 - 105 (8page)

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초록· 키워드

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This study deals with the passive control of the dynamic characteristics of a theoretical model which is a string with fixed ends and loaded by two point masses - a main mass (M<SUB>o</SUB>) and a secondary mass (M<SUB>s</SUB>). It has been controlled passively by means of a relocation of a secondary mass. A main mass placed on the string is considered as a vibrating receiver which be forced to vibrate by a vibrating source being positioned on the string. By analyzing the motion of a string, the equation of motion for a string was derived by using a method of variation of parameters. To define the optimal conditions for the vibration reduction, the governing equation, which denotes the dynamic response of a string was derived in the closed form and then evaluated numerically. The possibility of reduction of an amplitude and a power being transmitted to a main mass were found to depend on the location and the magnitude of a secondary mass as well as the range of a forcing frequency.

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ABSTRACT
1. Introduction
2. The Governing Equations
3. Resonant Frequency Coefficients (α)
4. Dynamic Characteristics
5. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2020-581-000846048