Without DOE, you're stuck with the world's slowest method for success-trial and error.
With Design of Experiments, you just have to test at the high (+) and low (-) values for any particular "design factor" (e.g., pressure, temperature, time, etc.) from your QFD House of Quality, not every increment in between. And you can test more than one factor at a time.
For more info see http://www.qimacros.com/free-lean-six-sigma-tips/design-of-experiments.html
Download 30 day trial at http://www.qimacros.com/freetrial.html
This video shows you how to perform DOE analysis in Excel using the QI Macros
With Design of Experiments, you just have to test at the high (+) and low (-) values for any particular "design factor" (e.g., pressure, temperature, time, etc.) from your QFD House of Quality, not every increment in between. And you can test more than one factor at a time.
For more info see http://www.qimacros.com/free-lean-six-sigma-tips/design-of-experiments.html
Download 30 day trial at http://www.qimacros.com/freetrial.html
This video shows you how to perform DOE analysis in Excel using the QI Macros
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