Thursday, September 20, 2007

Deming Cycle Plan Do Check Act Modern Quality Control

PDCA ("Plan-Do-Check-Act") is an iterative four-step problem-solving process typically used in quality control. It is also known as the Deming Cycle, Shewhart cycle, Deming Wheel, or Plan-Do-Study-Act.

PDCA was made popular by Dr. W. Edwards Deming, who is considered by many to be the father of modern quality control; however it was always referred to by him as the "Shewhart cycle."

Later in Deming's career, he modified PDCA to "Plan, Do, Study, Act" (PDSA) so as to better describe his recommendations.

PLAN
Establish the objectives and processes necessary to deliver results in accordance with the specifications.

DO
Implement the processes.

CHECK
Monitor and evaluate the processes and results against objectives and Specifications and report the outcome.

ACT
Apply actions to the outcome for necessary improvement. This means reviewing all steps (Plan, Do, Check, Act) and modifying the process to improve it before its next implementation

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