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Control - Coggle Diagram
Control
Control Phase od DMAIC
Transition process back to the process owner
Build monitors and controls for ongoing success
Purpose: Ensure continued success and maintenance of improvements after changes are implemented
SPC Charts (Statistical Process Control)
Eight tests to identify when a process is out of control
Understand elements of control charts: x-bar line, control limits (UCL and LCL), zones
Use control charts to monitor processes and detect variations
Team Celebration and Reflection
Reflect on lessons learned and discuss ideas for future improvement projects
Ensure all necessary documentation and communication with stakeholders are completed
Celebrate successful improvements
Create a Control Plan
Components: Company/department info, process details, CTQs, limits/specifications, measurement methods, frequency, responsible persons, corrective actions, associated documents
Purpose: Help process owners track and respond to key performance indicators
Control vs. Capability
Capability: Ensures process meets customer requirements
Calculate sigma level and process capability (Cpk) to assess process performance against specification limits
Control: Ensures low variation within process limits
Control Tollgate Checklist
Includes performance assessment, control plan implementation, communication, and reflection on the project
Checklist for ensuring all aspects of control phase are completed
Revisiting FMEA
Revisit FMEA at the end of the Improve phase or beginning of Control phase
Recalculate risk priority numbers for the improved process
Use Failure Modes and Effect Analysis to identify potential failures and causes
Visual Management
Simplify SOPs into visual representations for easy understanding and compliance
Implement visual controls like signs, matrixes, color coding, safety signals