Taguchi Methods for Robust Design and the P-Diagram

In previous articles in this series I introduced Designed Experiments (Article 28) and Taguchi Methods (Article 32).   In this article I will introduce the Parameter Diagram, aka P-diagram, and explain how the P-diagram is used in conjunction with Designed Experiments as part of the robust design process. The P-diagram is used to classify all of […] read more

On December 15th, 2017, posted in: Articles, Six Sigma by Tags: , , ,

68. Evaluating Attribute Inspectors Using Attribute Agreement Analysis

We typically think about the reliability and reproducibility of a gage in the context of measuring some characteristic using continuous (or variable) data.  Gage R&R studies conducted on this type of data are an application of the Analysis of Variance (ANOVA) method.  We evaluate how much variation is introduced by the people using the gage […] read more

What Is The Perfect Process and How Is It Achieved?

In an earlier article entitled Zero Defects – Realistic Goal or Dream?  I stated that achieving zero defects is not a dream at all but rather a realistic goal to be pursued.   In our Black Belt course, our students are challenged to complete an improvement project where they create an improved process that is […] read more

On October 7th, 2017, posted in: Articles, Six Sigma by Tags: , ,

Increasing Your Personal Power as a Project Manager

In order to earn the Six Sigma Black Belt Certificate, our students are required to plan and execute a real world project that results in measurable improvement.  To help them to be more successful, I challenge them to find ways to increase the amount of personal power that they have as the manager of their […] read more

On September 21st, 2017, posted in: Articles, Project Management, Six Sigma by Tags: , ,