5.
Process Improvement
1.
Introduction
Definition of experimental design
Uses
Steps
2.
Assumptions
Measurement system capable
Process stable
Simple model
Residuals well-behaved
3.
Choosing an Experimental Design
Set objectives
Select process variables and levels
Select experimental design
Completely randomized designs
Randomized block designs
Full factorial designs
Fractional factorial designs
Plackett-Burman designs
Response surface designs
Adding center point runs
Improving fractional design resolution
Three-level full factorial designs
Three-level, mixed-level and fractional factorial designs
4.
Analysis of DOE Data
DOE analysis steps
Plotting DOE data
Modeling DOE data
Testing and revising DOE models
Interpreting DOE results
Confirming DOE results
DOE examples
Full factorial example
Fractional factorial example
Response surface example
5.
Advanced Topics
When classical designs don't work
Computer-aided designs
D-Optimal designs
Repairing a design
Optimizing a process
Single response case
Multiple response case
Mixture designs
Mixture screening designs
Simplex-lattice designs
Simplex-centroid designs
Constrained mixture designs
Treating mixture and process variables
together
Nested variation
Taguchi designs
John's 3/4 fractional factorial designs
Small composite designs
An EDA approach to experiment design
6.
Case Studies
Eddy current probe sensitivity study
Sonoluminescent light intensity study
7.
A Glossary of DOE Terminology
8.
References
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