How do you Improve Control with Six Sigma?

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Description

This lesson covers the last two parts of the DMAIC model; improve and control.

Improve:

  1. Develop appropriate solutions
  2. The target process by designing creative solutions to fix and prevent problems
  3. Create innovative solutions using technology and discipline
  4. Develop and deploy implementation plan

Key activities within improve include:

  1. Optimize and improve the process; make it better
  2. Validate the improvement. Test, measure and verify.
  3. Implement the solution.

Improvement must be continual and constant; it is not a one-time effort. It is important to always look for ways to improve quality and reduce waste. For example: it is not an improvement to simply put out a fire; this is not an improvement in the process. Improvement in the process comes from identifying the issues which cause a problem and improving the process, so they no longer occur. When making a plan for quality improvement, it is important to have a specific structure:

  1. Establish a quality council
  2. Develop a pathway for quality
    1. Formulating quality policies
    2. Setting the benchmarks and standards
  3. Establishing the team and project selection processes
  4. Establishing quality measures for monitoring progress and undertaking monitoring efforts

 

The final part of the DMAIC model is Control. In this stage includes the following:

  • The improvements to keep the process on the new course
  • Prevent reverting back to the ‘old way’
  • Require the development, documentation and implementation of an ongoing monitoring plan
  • Institutionalize the improvements through the modification of systems and structures (staffing, training and incentives)

Key activities within control include:

  1. Determine what the capability is of the ‘improved’ process
  2. Implement more process controls, usually more overhead
  3. Use a control plan
  4. Sustainability (following the process)
  5. Control (Iteration of the plan and process)
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