At one of typical management cycle, plan (plan), execution (do), appraisal (check), improvement (act) process is executed in order. With last act from the result of check, continuation (fixation the contents of first plan to either of) correction cancellation, it ties to next plan. The management technique which promotes the maintenance improvement and continuous business improvement activity of quality by repeating the process of this spiral condition, is PDCA cycle.
In order 1950 age, Deming which is called the father of quality control (Dr. William Edwards Deming) the doctor, production process (business process) to being able to specify & to be able to modify the part which needs improvement and improvement among them, it measured & analyzed process, that improvement process becomes the continual feedback loop in order to do that continuously, it proposed. Because of this Deming cycle (Deming cycle) also it is called. However, the original is said W A ??…??? which is the Deming teacher (Walter Andrew Shewhart) is also. Furthermore, Deming reachedthe point wherethe expression, late year and PDSA cycle is used.
Plan Setting goal, it processes because it actualizes that the design (revision)
Do Plan is executed, the performance is measured
Check The measurement result is appraised, you analyze e.g., the result is compared with goal,
Act The measure which is necessary for the continuous improvement improvement of process is executed
Method of thinking the PDCA cycle is used by the improvement and business improvement etc. of production process quality widely,ISO 9000andis adopted tothe management system of ISO 14000 and the like.
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