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| Quality Function Deployment× | Statystyczna Kontrola Procesu× | |
|---|---|---|
| Dziedzina | Planowanie eksperymentów | Planowanie eksperymentów |
| Rodzina | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 1966 (Japan); popularised in the West ~1988 | 1924–1931 |
| Twórca≠ | Yoji Akao | Walter A. Shewhart |
| Typ≠ | Structured quality planning and product design method | Process monitoring and quality control method |
| Źródło pierwotne≠ | Akao, Y. (Ed.). (1990). Quality Function Deployment: Integrating Customer Requirements into Product Design. Productivity Press. ISBN: 978-0915299416 | Shewhart, W. A. (1931). Economic Control of Quality of Manufactured Product. Van Nostrand. ISBN: 978-0873890762 |
| Inne nazwy | QFD, House of Quality, customer-driven engineering, voice of the customer matrix | SPC, statistical quality control, process control charting, Shewhart control |
| Pokrewne≠ | 4 | 6 |
| Podsumowanie≠ | 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. | Statistical Process Control (SPC) is a data-driven quality method that uses statistical techniques — primarily control charts — to monitor a manufacturing or service process over time. By distinguishing natural process variation (common cause) from unusual, actionable variation (special cause), SPC enables practitioners to maintain processes in a stable, predictable state and to detect problems early, before defective output reaches customers. |
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