Vertaile menetelmiä
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| Prosessikykyanalyysi (Cp, Cpk)× | Six Sigma DMAIC× | |
|---|---|---|
| Tieteenala≠ | Tilastotiede | Laadunhallinta |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 1986 | 2014 |
| Kehittäjä≠ | Victor Kane | Motorola; Pyzdek & Keller |
| Tyyppi≠ | Quantitative process evaluation index | Structured process improvement methodology |
| Alkuperäislähde≠ | Kane, V. E. (1986). Process capability indices. Journal of Quality Technology, 18(1), 41–52. DOI ↗ | Pyzdek, T., & Keller, P. (2014). The Six Sigma Handbook (4th ed.). McGraw-Hill. ISBN: 978-0-07-184053-9 |
| Rinnakkaisnimet | Process Capability Indices, Capability Study, Süreç Yeterlilik Analizi, Process Performance Analysis | DMAIC Framework, Six Sigma Process Improvement Cycle, Define-Measure-Analyze-Improve-Control, Altı Sigma DMAIC |
| Liittyvät≠ | 2 | 3 |
| Tiivistelmä≠ | Process Capability Analysis quantifies how well a manufacturing or business process produces output within specified tolerance limits. Introduced formally by Victor Kane in 1986, it summarises process spread and centering into dimensionless indices — most notably Cp and Cpk — allowing engineers and quality managers to judge whether a stable process is inherently capable of meeting customer or design specifications consistently. | Six Sigma DMAIC is a data-driven, five-phase process improvement methodology — Define, Measure, Analyze, Improve, and Control — used to reduce defects and process variation to fewer than 3.4 defects per million opportunities. Originating at Motorola in the 1980s and systematized by practitioners including Pyzdek and Keller, it is widely adopted in manufacturing, healthcare, finance, and service industries seeking sustained quality gains. |
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