Design Guidance for Robust Design using ...

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International Symposium on Robust Design (ISoRD'14) Technical University of Denmark, DTU

Design Guidance for Robust Design using Load-strength and Design of Experiments
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Author:Valter Loll (Loll Consult, Denmark)
Date: 2014-08-14     Track: Main     Session: 10:30-12:00 Oral Session 1 - Robustness in Design
DOI:10.4122/dtu:2085

The short product development cycle and the increased demand of robust, safe and reliable design has made the Test Analysis And Fix (TAAF) method obsolete. Closing the feedback loop on a design from field return (FRACAS) takes years. Closing the feedback loop from testing take months. Therefore a modern design has to build in robustness, safety and reliability during the design process. The paper describes how the Load-Strength theory and other methods can be used to develop design guidance for a robust design. The influence of safety margin and loading roughness is described together with repeated loads. Real examples of design guidance for robustness are shown.