Software Quality Assurance by Rajiv Chopra

Author:Rajiv Chopra [Rajiv Chopra]
Language: eng
Format: epub
Publisher: Mercury Learning and Information
Published: 2018-03-15T04:00:00+00:00

FIGURE 9.8

Six Sigma projects follow two project methodologies inspired by Deming’s Plan-Do-Check-Act Cycle. These methodologies comprise five phases each and are known by the acronyms DMAIC and DMADV.

•DMAIC is used for projects aimed at improving an existing business process.

•DMADV is used for projects aimed at creating new products or process designs.

DMAIC

The five phases in the DMAIC project methodology are:

1.Define high-level project goals and the current process.

2.Measure key aspects of the current process and collect relevant data.

3.Analyze the data to verify cause-and-effect relationships. Determine what the relationships are and attempt to ensure that all factors have been considered.

4.Improve or optimize the process based on data analysis using techniques like design of experiments.

5.Control to ensure that any deviations from the target are corrected before they result in defects. Set-up pilot runs to establish process capability, move on to production, set up control mechanisms, and continuously monitor the process.

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