Nonstatistical Control Tools and Maintaining Controls in Six Sigma

Candidates seeking Six Sigma Black Belt certification, quality professionals, engineers, production managers, frontline supervisors, and all individuals charged with responsibility for improving quality and processes at the organizational or departmental level, including process owners and champions

Proficiency at the Green Belt level with concepts related to measurement systems analysis and control plan development as scoped in the ASQ – Six Sigma Green Belt Body of Knowledge (BOK)

Expected Duration
120 minutes

In the final stages of the Six Sigma DMAIC methodology, once process improvement opportunities are identified and implemented, teams need to control the improved processes in order to sustain improvement gains. Process control includes applying tools to continuously monitor and maintain each improved process, and to prevent it from reverting to its previous state. This course introduces basic nonstatistical control tools as well as tools for maintaining control so that process improvement initiatives continue as they were intended. Specifically, it explores how total productive maintenance (TPM) promotes shared responsibility for maintaining process gains, and how the visual factory provides at-a-glance information about process status, targets, and performance. In addition, this course highlights the need to re-analyze the measurement system after completing an improvement project, and provides guidelines for drawing conclusions from the re-analysis. It tours the key elements of a vital tool for maintaining controls – the control plan – and explores the steps for developing an effective plan. This course is aligned with the ASQ Certified Six Sigma Black Belt certification exam and is designed to assist learners as part of their exam preparation. It builds on foundational knowledge that is taught in SkillSoft’s ASQ-aligned Green Belt curriculum.


Nonstatistical Control Tools in Six Sigma

  • recognize statements that reflect the goals and features of total productive maintenance (TPM)
  • sequence the steps recommended for implementing total productive maintenance (TPM)
  • sequence descriptions of the stages of small group development
  • use the overall equipment efficiency (OEE) calculation to evaluate the performance of a TPM company
  • recognize the basic goal of a sample element from a visual factory

Maintaining Controls

  • recognize how various factors influence the decision to improve a measurement system in a given scenario
  • recognize the effect of reduced process variation on measurement system performance metrics
  • identify characteristics of a control plan
  • recognize examples of information typically included in a control plan
  • identify actions involved in transferring responsibility from the Six Sigma team to the process owner





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