RESEARCH PAPERS: Design Automation

Design for Robustness Based on Manufacturing Variation Patterns

[+] Author and Article Information
Jyh-Cheng Yu

Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan, ROC

Kosuke Ishii

Department of Mechanical Engineering, Stanford University, Stanford, CA 94305

J. Mech. Des 120(2), 196-202 (Jun 01, 1998) (7 pages) doi:10.1115/1.2826959 History: Received September 01, 1996; Online December 11, 2007


This paper addresses interacting manufacturing errors and their impact on the design robustness and constraint activity. Manufacturing errors often affect design variables with characteristic patterns. This paper defines the Manufacturing Variation Pattern (MVP) to represent this characteristic and investigates its effects. The application of the concept of MVP to design optimization leads to an improved robust optimum. The design of molded gears with minimum transmission error illustrates the proposed scheme’s effectiveness. Our model readily accommodates correlation among dimensional errors and significantly reduces performance variation.

Copyright © 1998 by The American Society of Mechanical Engineers
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