Journal of Korean Institute of Industrial Engineers (대한산업공학회지)
- Volume 27 Issue 4
- /
- Pages.352-365
- /
- 2001
- /
- 1225-0988(pISSN)
- /
- 2234-6457(eISSN)
Design of Fractional Factorial Experiments with Four-Level Quantitative and Two-Level Factors
4-수준 계량인자가 포함된 2-수준 일부실시 실험계획
- Choi, Kiew-Phil (Total Productivity Team, Orion Electric Company) ;
- Byun, Jai-Hyun (Department of Industrial and Systems Engineering, Gyeongsang National University)
- Received : 20010100
- Accepted : 20010800
- Published : 2001.12.31
Abstract
Two-level factorial designs are popular in industry due to their simplicity, efficiency, graphical interpretation, and flexibility in sequential experimentation. However, experimenters are often frustrated when they have factors with more than two levels. There have been some works on design of experiments with two- and four-level factors, which mostly deal with qualitative four-level factors. This paper discusses differences between qualitative and quantitative four-level factors. Optimal designs are provided for some designs with four-level quantitative and two-level factors.
Keywords
- design of experiments;
- fractional factorial designs;
- quantitative four-level factors;
- quadratic effects;
- optimal designs