So sánh phương pháp
Xem các phương pháp đã chọn cạnh nhau; những hàng khác biệt được làm nổi bật.
| Biểu đồ kiểm soát dựa trên rủi ro× | Phân tích năng lực quy trình (Cp, Cpk)× | |
|---|---|---|
| Lĩnh vực≠ | Thiết kế thí nghiệm | Thống kê |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1956 (economic design); refined through 1980s–2000s | 1986 |
| Người khởi xướng≠ | A. J. Duncan (economic design, 1956); T. J. Lorenzen & L. C. Vance (unified economic model, 1986) | Victor Kane |
| Loại≠ | Quantitative process monitoring method | Quantitative process evaluation index |
| Công trình gốc≠ | Lorenzen, T. J., & Vance, L. C. (1986). The economic design of control charts: A unified approach. Technometrics, 28(1), 3–10. DOI ↗ | Kane, V. E. (1986). Process capability indices. Journal of Quality Technology, 18(1), 41–52. DOI ↗ |
| Tên gọi khác | economic control chart, risk-integrated SPC, cost-based control chart, economic design of control charts | Process Capability Indices, Capability Study, Süreç Yeterlilik Analizi, Process Performance Analysis |
| Liên quan≠ | 6 | 2 |
| Tóm tắt≠ | A risk-based control chart extends the classical Shewhart control chart by explicitly incorporating the costs and probabilities of two error types — false alarms (Type I) and missed shifts (Type II) — along with sampling costs, into the design of chart parameters. Rather than using arbitrary 3-sigma limits, the method selects sample size, sampling interval, and control limits to minimise the total expected cost or risk of operating the monitoring scheme. | 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. |
| ScholarGateBộ dữ liệu ↗ |
|
|