The Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) methodology can be thought of as a roadmap for problem solving and product/process improvement in Maclight Display.
we begin implementing Six Sigma using the DMAIC methodology in LCD display improvement, and later add the DFSS (Design for Six Sigma, also known as DMADV or IDDOV) methodologies when the organizational culture and experience level permits. You can read the main differences between DMAIC and DMADV, but we’ll focus on the DMAIC in this article.
While the DMAIC methodology presented below may appear linear and explicitly defined, it should be noted that an iterative approach may be necessary – especially for Black Belts and Green Belts that are new to the tools and techniques that make up DMAIC. For instance, you may find that upon analyzing your data (Analyze phase) you did not gather enough data to isolate the root cause of the problem. At this point, you may iterate back to the Measure phase. In addition, prior knowledge of the tools and techniques is necessary in determining which tools are useful in each phase. Remember, the appropriate application of tools becomes more critical for effectiveness than correctness, and you don’t need to use all the tools all the time.
DMAIC Phase Steps | Tools Used |
D – Define Phase: Define the project goals and customer (internal and external) deliverables. | |
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Define Tollgate Review | |
M – Measure Phase: Measure the process to determine current performance; quantify the problem. | |
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Measure Tollgate Review | |
A – Analyze Phase: Analyze and determine the root cause(s) of the defects. | |
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Analyze Tollgate Review | |
I – Improve Phase: Improve the process by eliminating defects. | |
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Improve Tollgate Review | |
C – Control Phase: Control future process performance. | |
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Control Tollgate Review |
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