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  • 标题:DFSS and Robust Optimization Tool for Multibody System with Random Variables
  • 本地全文:下载
  • 作者:Min-Soo KIM ; HuiJe CHO ; Soon-Geul LEE
  • 期刊名称:Journal of System Design and Dynamics
  • 电子版ISSN:1881-3046
  • 出版年度:2007
  • 卷号:1
  • 期号:3
  • 页码:583-592
  • DOI:10.1299/jsdd.1.583
  • 出版社:The Japan Society of Mechanical Engineers
  • 摘要:

    This study presents the DFSS optimization for the dynamic responses of a paper feeding mechanism. The flexible paper is idealized as a series of rigid bars connected by revolute joints and rotational spring dampers. In this mechanism, a paper is fed by a contact and friction mechanism on rollers or guides. The design objective is to minimize the slip amounts between paper and mechanisms and satisfy the 6-sigma constraint for the nip forces of rollers. In order to avoid the difficulty of design sensitivity analysis and overcome the numerical noise, a meta-model based optimization is employed. In this approach, first, the space filling methods and the classical DOE methods are used to generate sampling points. Second, the meta-models are constructed from the Kriging, RBF and RSM methods. Finally, a well-developed numerical optimizer sequentially solves the approximate optimization problem. In the numerical test, the DFSS for the paper feeding mechanism problem, having 8-random design variables, is solved in only 23 analyses.

  • 关键词:DFSS; Optimization; Multibody; Meta-Model; Paper Feeding System
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