Definition: Shewhart Cycle
May 29, 2012
A four-step process for quality improvement.
1. Plan - aplan to effect improvement is developed
2. Do - the plan is carried out, preferably on a small scale
3. Check - the effects of the plan are observed
4. Act - the results are studied to determine what was learned and what can be predicted
Synonymous with Plan-Do-Check-Act (PDCA) cycle.
Tip excerpted from: The Professional’s Guide to Maintenance and Reliability Terminology by Ramesh Gulati, Jerry Kahn and Robert Baldwin
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