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	Hybrid Central Composite Design	Central Composite Design
Ämnesområde	Försöksplanering	Försöksplanering
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1976	1951
Upphovsperson	K. G. Roquemore	George E. P. Box and K. B. Wilson
Typ	Response surface experimental design	Response surface experimental design
Ursprungskälla	Roquemore, K. G. (1976). Hybrid designs for quadratic response surfaces. Technometrics, 18(4), 419–423.	Box, G. E. P., & Wilson, K. B. (1951). On the experimental attainment of optimum conditions. Journal of the Royal Statistical Society: Series B, 13(1), 1–45.
Alias	Hybrid CCD, HCCD, modified central composite design, hybrid RSM design	CCD, Box-Wilson design, central composite response surface design, rotatable central composite design
Närliggande	3	3
Sammanfattning	Hybrid Central Composite Design (Hybrid CCD) is a class of response surface designs introduced by Roquemore (1976) that combines the structural properties of classical central composite designs with modified or reduced point configurations to achieve rotatability or near-rotatability with fewer experimental runs than a standard CCD, making it especially practical when the number of factors is three to six and experimental resources are limited.	Central Composite Design (CCD) is a second-order response surface design that allows researchers to efficiently fit a full quadratic model relating multiple continuous input factors to one or more response variables. Introduced by Box and Wilson in 1951, it combines a factorial (or fractional factorial) core, axial (star) points, and center-point replicates into a single unified design, making it the most widely used design for process optimization in engineering, chemistry, and manufacturing.