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articles:pdca-how_we_miss_shewarts_point [2021/07/10 14:25] – [The Deming Wheel (1951)] rrandall | articles:pdca-how_we_miss_shewarts_point [2021/07/15 20:09] – [A Better Alternative] rrandall | ||
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By the 1960’s the PDCA cycle was being used in Japan as an improvement cycle and a management tool. Lilrank and Kano state in their 1989 book "// | By the 1960’s the PDCA cycle was being used in Japan as an improvement cycle and a management tool. Lilrank and Kano state in their 1989 book "// | ||
- | ===== The Deming PDSA Cycle ===== | + | ===== The Deming PDSA Cycle (1986) |
- | In 1986, Deming reintroduced his " | + | In 1986, Deming reintroduced his " |
+ | {{ : | ||
In his 4-day seminars during the 1980’s, Deming presented this version. Also, he warned Western audiences that the plan, do, check, and act version is inaccurate because the English word “check” means “to hold back.” Deming stated in the Moen, Nolan, and Provost manuscript, “//... be sure to call it PDSA, not the corruption PDCA//.” | In his 4-day seminars during the 1980’s, Deming presented this version. Also, he warned Western audiences that the plan, do, check, and act version is inaccurate because the English word “check” means “to hold back.” Deming stated in the Moen, Nolan, and Provost manuscript, “//... be sure to call it PDSA, not the corruption PDCA//.” | ||
+ | For a more detailed article on the history of PDCA / PDSA, read: {{ : | ||
+ | ===== Major PDCA / PDSA Cycle Obstacles ===== | ||
+ | Major obstacles for users of the PDCA / PDSA Cycle concept are observed when encountering either: | ||
+ | * " | ||
+ | * " | ||
+ | * a " | ||
+ | A " | ||
+ | A " | ||
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+ | A " | ||
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+ | The Soviet inventor and science-fiction author Genrich Altshuller (1926-1998) and his colleagues, began developing the concept of TRIZ (Teoriya Resheniya Izobretatelskikh Zadatch), typically translated into English as the " | ||
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+ | By 1969, Altshuller had reviewed about 40,000 patent abstracts in order to find out in what way the innovation had taken place and developed the concept of technical contradictions, | ||
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+ | Lacking knowledge of TRIZ can result in a recurring exercise in futility... leading to users constantly "// | ||
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+ | To learn more about TRIZ and the 40 TRIZ Principles, explore the [[https:// | ||
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+ | ===== A Better Alternative ===== | ||
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+ | Clearly, " | ||
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+ | Rather than use the PDCA model, a much better approach is to follow the DMAIC model (Define, Measure, Analyze, Improve and Contro). As improvements are made, the PDCA cycle fails to address " | ||