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articles:pdca-how_we_miss_shewarts_point [2021/07/10 15:06] – [A Major PDCA / PDSA Cycle Obstacle] rrandall | articles:pdca-how_we_miss_shewarts_point [2021/07/15 20:21] (current) – [A Better Alternative] rrandall | ||
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For a more detailed article on the history of PDCA / PDSA, read: {{ : | For a more detailed article on the history of PDCA / PDSA, read: {{ : | ||
- | ===== A Major PDCA / PDSA Cycle Obstacle | + | ===== Major PDCA / PDSA Cycle Obstacles |
- | A major obstacle | + | Major obstacles |
+ | * " | ||
+ | * " | ||
+ | * a " | ||
- | A Technical Contradiction is a situation that emerges when an attempt to improve a certain attribute (parameter) of a system leads to an unacceptable degradation of another attribute (parameter) of the same system. | + | A " |
+ | |||
+ | A " | ||
+ | |||
+ | A "Technical Contradiction" | ||
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 " | 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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To learn more about TRIZ and the 40 TRIZ Principles, explore the [[https:// | To learn more about TRIZ and the 40 TRIZ Principles, explore the [[https:// | ||
+ | ===== A Better Alternative ===== | ||
+ | |||
+ | Clearly, " | ||
+ | |||
+ | Rather than use the PDCA model, a much better approach is to follow the DMAIC model (Define, Measure, Analyze, Improve and Control). As improvements are made, the PDCA cycle fails to address " | ||
+ | |||
+ | {{ : | ||
+ | As you move from one process to another, utilizing DMAIC, you can re-visit any of the processes previously improved to determine whether another DMAIC would be appropriate (for greater improvements). |