힐버트 황 변환을 이용한 충격을 받는 시스템의 과도특성 분석Transient Characteristics Analysis of Structural Systems Undergoing Impact Employing Hilbert-Huang Transformation
- Other Titles
- Transient Characteristics Analysis of Structural Systems Undergoing Impact Employing Hilbert-Huang Transformation
- Authors
- 이승규; 유홍희
- Issue Date
- Dec-2009
- Publisher
- 대한기계학회
- Keywords
- Hilbert-Huang Transformation; Signal Analysis; Transient Characteristics; Impact; 힐버트 황 변환; 신호 분석; 과도특성; 충격
- Citation
- 대한기계학회논문집 A, v.33, no.12, pp 1442 - 1448
- Pages
- 7
- Indexed
- SCOPUS
KCI
- Journal Title
- 대한기계학회논문집 A
- Volume
- 33
- Number
- 12
- Start Page
- 1442
- End Page
- 1448
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/203306
- DOI
- 10.3795/KSME-A.2009.33.12.1442
- ISSN
- 1226-4873
2288-5226
- Abstract
- Transient characteristics of a signal can be effectively exhibited in time-frequency domain. Hilbert-Huang Transform (HHT) is one of the time-frequency domain analysis methods. HHT is known for its several advantages over other signal analysis methods. The capability of analyzing non-stationary or nonlinear characteristics of a signal is the primary advantage of HHT. Moreover, it is known that HHT can provide fine resolution in high frequency region and handle large size data efficiently. In this study, the effectiveness of Hilbert-Huang transform is illustrated by employing structural systems undergoing impact. A simple discrete system and an axially oscillating cantilever beam undertaking periodic impulsive force are chosen to show the effectiveness of HHT.
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