지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.39 No.2
- 발행연도
- 2022.2
- 수록면
- 115 - 122 (8page)
- DOI
- 10.7736/JKSPE.021.106
이용수
초록· 키워드
오류제보하기
The purpose of this study was to investigate the excitation force that generates the vibration of the reduction gear case for railroad vehicles. This excitation force is difficult to measure directly. The inverse stiffness method was used using the acceleration response measured in the experiment and the vibration response function derived from the finite element analysis. It was assumed that the excitation force acting on the reduction gear operates in the X, Y, and Z directions for each bearing, and a total of 12 excitation forces were investigated. When deriving the excitation force, singular value decomposition was applied to the vibration response function to increase the accuracy of the result. The results of the excitation force according to the number of degrees of freedom of the response were compared. Additionally, the magnitude of the estimated excitation force according to the singular value category used was compared, and it was confirmed that a too low singular value indicates a different excitation force.
목차
1. 서론
2. 가진력 복원 방법
3. 가진력 추정 방법
4. 결론
REFERENCES
참고문헌 (8)
참고문헌 신청
Patil, R. A. and Gombi, S., “Review on Determination of Forces Using Inverse Techniques,” International Journal of Emerging Technology and Advanced Engineering, Vol. 7, No. 6, pp. 120-125, 2017.
Wang, J., Law, S., and Yang, Q., “Sensor Placement Methods for an Improved Force Identification in State Space,” Mechanical Systems and Signal Processing, Vol. 41, Nos. 1-2, pp. 254-267, 2013.
Ma, C.-K. and Ho, C.-C., “An Inverse Method for the Estimation of Input Forces Acting on Non-Linear Structural Systems,” Journal of Sound and Vibration, Vol. 275, Nos. 3-5, pp. 953-971, 2004.
Kim, S.-J. and Lee, S.-K., “Experimental Identification for Inverse Problem of a Mechanical System with a Non-Minimum Phase based on Singular Value Decomposition,” Journal of Mechanical Science and Technology, Vol. 22, No. 8, pp. 1504-1509, 2008.
Kim, K. and Choi, S., “Source Waveform Recovery by Using Transfer Function,” Proc. of the KSNVE Annual Spring Conference, pp. 275-280, 1999.
Wang, J., Law, S., and Yang, Q., “Sensor Placement Methods for an Improved Force Identification in State Space,” Mechanical Systems and Signal Processing, Vol. 41, Nos. 1-2, pp. 254-267, 2013.
Ma, C.-K. and Ho, C.-C., “An Inverse Method for the Estimation of Input Forces Acting on Non-Linear Structural Systems,” Journal of Sound and Vibration, Vol. 275, Nos. 3-5, pp. 953-971, 2004.
Kim, S.-J. and Lee, S.-K., “Experimental Identification for Inverse Problem of a Mechanical System with a Non-Minimum Phase based on Singular Value Decomposition,” Journal of Mechanical Science and Technology, Vol. 22, No. 8, pp. 1504-1509, 2008.
Kim, K. and Choi, S., “Source Waveform Recovery by Using Transfer Function,” Proc. of the KSNVE Annual Spring Conference, pp. 275-280, 1999.
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