Six sigma
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Six Sigma. Jason Cumins. What is Six Sigma? History of Six Sigma Six Sigma Methodologies The roles of Six Sigma Six Sigma and CMMI Benefits and Issues of Six Sigma. Overview. A quality improvement approach to ANY company’s product/process Data driven approach for eliminating defects

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Six Sigma

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Six sigma

Six Sigma

Jason Cumins


Overview

  • What is Six Sigma?

  • History of Six Sigma

  • Six Sigma Methodologies

  • The roles of Six Sigma

  • Six Sigma and CMMI

  • Benefits and Issues of Six Sigma

Overview


What is six sigma

  • A quality improvement approach to ANY company’s product/process

  • Data driven approach for eliminating defects

  • Six standard deviations between the mean and the nearest specification limit

What is Six Sigma?


What does six sigma do

  • Six Sigma means the process produces 3.4 defects per one million opportunities

What does Six Sigma do?


History of six sigma

  • Motorola 1985

  • GE 1995

  • Extremely popular now

History of Six Sigma


Roles of six sigma

Roles of Six Sigma


Roles of six sigma1

  • Green Belt

  • Black Belt

  • Master Black Belt

  • Champion

  • Sponsor

Roles of Six Sigma


Green belts

  • Lowest level of the Six Sigma team other than team members

  • Lower level management

  • A few weeks of in class training

  • In charge of small projects or part of a Black Belts project

Green Belts


Black belts

  • Next level of the Six Sigma team

  • Takes on large and difficult projects

  • At least a months worth of in class training

  • Helps guide Green Belts

  • Officially certified

Black Belts


Master black belts

  • Must be certified

  • Able to train and coach others

  • Generally has a lot of experience

Master Black Belts


Champions

  • Senior level executives

  • Solves issues between Black Belts and sponsors

  • Must have a high-level understanding of Six Sigma

  • Actively leads company to fully implement Six Sigma

Champions


Sponsors

  • Similar to champions

  • Sponsor overall six sigma initiative

  • Generally high-level executive

Sponsors


Six sigma methodologies

  • Two main methodologies

  • DMAIC

  • DMADV or DFSS(“Designs for Six Sigma”)

Six Sigma Methodologies


Dmaic

  • Used for improving existing process

  • Generally easier projects

  • Uses Green Belts

DMAIC


Dmaic1

  • Define

  • Measure

  • Analyze

  • Improve

  • Control

DMAIC


Define

  • “Critical to Quality” areas

  • Processes that are involved

  • Scope

  • Form a team

  • Create a project charter

  • Determine requirements

Define


Define tool sipoc

Define Tool (SIPOC)


Measure

  • Collect data on current processes

  • Understand why defects are created

  • Make sure data is valid

Measure


Analyze

  • Identify ways to improve the process

  • Find the root of poor sigma performance

  • Identify sources of variation

  • Decide on which areas need to be improved on

Analyze


Improve

  • Propose a large number of solutions

  • Create tests and evaluate solutions

  • Create an implementation plan

Improve


Control

  • Implement the plan determined from the last phase

  • Focus on maintaining the six sigma performance

  • Train staff in the new process

Control


Dmadv

  • Also known as Design for Six Sigma(DFSS)

  • Similar to DMAIC

  • Create an entirely new process

  • Extremely challenging

  • Uses Master or Regular Black Belts

DMADV


Define measure analyze

  • First three phases are the same as DMAIC

  • Define the project

  • Measure the expectations

  • Analyze the data and figure out alternative solutions

Define, Measure, Analyze


Design

  • Implement solutions and create a prototype

  • Necessity that critical to quality factors are accounted for

  • Carry out detailed design

Design


Verify

  • Make sure Design phase fits all requirements

  • Critical to quality areas have great performance

Verify


Six sigma and cmmi

  • It is not a competitor to CMMI

  • Use Six Sigma with CMMI can help improve Maturity levels

Six Sigma and CMMI


Capability maturity model integration cmmi overview

  • Process improvement for software development

  • Defined by its maturity levels: Initial, Repeatable, Defined, Quantitatively Managed, and Optimizing

Capability Maturity Model Integration (CMMI) Overview


Direct correlations with cmmi

  • Quantitative Process Management and Casual Analysis & Resolution

Direct Correlations with CMMI


Integration with cmmi

  • Start using CMMI to create processes based off the community

  • Implement Six Sigma to optimize

  • Six Sigma reinforces mission focus and extremely supportive of CMMI implementation

Integration with CMMI


Benefits of six sigma

  • Average Black Belt saves the company $230,000

  • Positive results for Motorola, General Electric(GE), and Allied Signal/Honeywell

  • Extremely efficient production process

  • Rapid process improvement methodologies

Benefits of Six Sigma


Issues with six sigma

  • If not fully committed it just doesn’t work

  • Requires a large amount of training

  • Managers must be active and have the ability to lead complicated projects

Issues with Six Sigma


Tools

  • Minitab 16

    • Minitab 16 Video

Tools


Questions

Questions?


References

  • Ideal Meadia LLC. i Six Sigma. Retrieved 3/08/2012. <http://www.isixsigma.com/>

  • Siviy, Jeannine; Penn, M. Lynn; Harper, Erin. “Relationships Between CMMI and Six Sigma”. Software Engineering Institute 2005. Retrieved 3/08/2012. <http://www.sei.cmu.edu/>

  • Franza, Richard; Chakravorty, Satya. “Design for Six Sigma(DFSS): A Case Study”. Kennesaw State University, Dept. of Management and Entrepreneurship 2007. Retrieved 3/10/2012. http://ieeexplore.ieee.org/

References


References1

  • Catherwood, Philip. “Champions of the cause”. Waterton Technol. Centre, UK 2005. Retrieved 3/12/2012. http://ieeexplore.ieee.org/

  • Pan, Zhedan; Baik, Jongmoon. “A Six Sigma Framework for Software Process Improvements and its Implementation”. Asia-Pacific Software Engineering Conference. Retrieved 3/12/2012. http://ieeexplore.ieee.org/

  • AvetaBusiness Institute. Six Sigma Online. Retrieved 3/14/2012. <http://www.sixsigmaonline.org>

References


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