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| Разгръщане на функцията за качество× | Шест Сигми DMAIC× | |
|---|---|---|
| Област≠ | Планиране на експеримента | Управление на качеството |
| Семейство | Process / pipeline | Process / pipeline |
| Година на възникване≠ | 1966 (Japan); popularised in the West ~1988 | 2014 |
| Създател≠ | Yoji Akao | Motorola; Pyzdek & Keller |
| Тип≠ | Structured quality planning and product design method | Structured process improvement methodology |
| Основополагащ източник≠ | Akao, Y. (Ed.). (1990). Quality Function Deployment: Integrating Customer Requirements into Product Design. Productivity Press. ISBN: 978-0915299416 | Pyzdek, T., & Keller, P. (2014). The Six Sigma Handbook (4th ed.). McGraw-Hill. ISBN: 978-0-07-184053-9 |
| Други названия | QFD, House of Quality, customer-driven engineering, voice of the customer matrix | DMAIC Framework, Six Sigma Process Improvement Cycle, Define-Measure-Analyze-Improve-Control, Altı Sigma DMAIC |
| Свързани≠ | 4 | 3 |
| Резюме≠ | Quality Function Deployment (QFD) is a structured method for translating customer needs — the voice of the customer — into specific technical requirements at every stage of product or service development. Originating in Japan in the 1960s, QFD uses a matrix-based tool called the House of Quality to make customer priorities visible, link them to engineering parameters, expose trade-offs, and maintain focus on what customers actually value throughout the design process. | 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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