2차 함수의 해석적 통계 모멘트를 사용한 트럭 프레임 피로수명의 강건 설계 기법

Title
2차 함수의 해석적 통계 모멘트를 사용한 트럭 프레임 피로수명의 강건 설계 기법
Other Titles
Robust Design Technique of Fatigue Life for Truck Frame Using Analysis of Fatigue Life for Truck Frame FE Model
Author
유홍희
Keywords
통계 모멘트; 최적화; 강건 설계; 피로 수명; Statistical Moment; Optimization; Robust Design; Fatigue
Issue Date
2011-11
Publisher
대한기계학회
Citation
대한기계학회 논문집, 2011, P.898-902
Abstract
Efficient technique to calculate the statistical moment of response function and formulation to determine statistical moments of random variables considering performance, variance and manufacturing cost is proposed in this paper. Generally variance of response function due to random variables can be expressed as improper multi-dimensional integration. Since it is difficult to obtain the results, multi-dimensional integration is approximated using uni-variate dimension reduction method and each single dimensional integration term is calculated using analytical form of quadratic function. Proposed formulation is composed of manufacturing cost as an objective function and performance and variance of response function as constraints. Then proposed method is applied to the fatigue life of truck frame example.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE02041752http://hdl.handle.net/20.500.11754/66131
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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