Hybrid method of tolerance design

A new method of tolerance design, which we call the Hybrid method that accelerates the attainment of optimal design center, is proposed. The method combines geometry search with statistical process. At the start of the process, the region of acceptability is estimated using boundary search method....

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Bibliographic Details
Main Authors: Foo, Say Wei, Lin, Yu
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2009
Subjects:
Online Access:https://hdl.handle.net/10356/90748
http://hdl.handle.net/10220/4634
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Institution: Nanyang Technological University
Language: English
Description
Summary:A new method of tolerance design, which we call the Hybrid method that accelerates the attainment of optimal design center, is proposed. The method combines geometry search with statistical process. At the start of the process, the region of acceptability is estimated using boundary search method. A new tolerance region that covers as much of the estimated region of acceptability is determined. The Centers-of- Gravity (CoG) method is then applied to find a new design center. The tolerance region is then progressively reduced to target size while the process of locating the optimal design centers continues. Compared to the popular CoG method, the speed of convergence of the Hybrid method is much faster while the additional computational load is insignificant.