Tuesday, April 17, 2012

Robust design - Design of experiments

Robust design focuses on creating a design that selects input variables in order to minimize the impact of noise factors (uncontrollable variables) on responsible variable.

There are three types of design.

1. Concept design
2. Parameter design
3. Tolerence design

In terms of cost of (poor) quality, lack of robust design may lead to external failure costs such as loss of customers, loss of reputation, recalls, lawsuits, and warranty claims.

The goal is to choose an optimal robust design that is cost-effective with the quickest time-to-market.

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