Statistical Design of Experiments
Statistical Design of Experiments
Design Phases
Design Phases
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System Design
System Design
Generating and Selecting concepts.
Generating and Selecting concepts.
Concept comparisons
Concept comparisons
Functional design focused on the
Functional design focused on the
pertinent Technology
pertinent Technology
No DOE occurs at this stage
No DOE occurs at this stage
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System Design
System Design
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Parameter Design
Parameter Design
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A means of Both reducing costs and
A means of Both reducing costs and
improving quality by making effective use of
improving quality by making effective use of
experimental design methods
experimental design methods
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Selecting values for design parameters
Selecting values for design parameters
which cause the system performance to be
which cause the system performance to be
insensitive to variations (or noise factors)
insensitive to variations (or noise factors)
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This is the heart of Robust Design
This is the heart of Robust Design
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System Design
System Design
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Parameter Design
Parameter Design
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Tolerance Design
Tolerance Design
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Economic evaluation of tolerances
Economic evaluation of tolerances
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Identifying those to tighten and those to relax
Identifying those to tighten and those to relax
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After the system has been designed and the
After the system has been designed and the
nominal mid-values of its parameters
nominal mid-values of its parameters
-values of its parameters
values of its parameters
determined, the next step is to determine the
determined, the next step is to determine the
tolerances of the parameters
tolerances of the parameters
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