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A Case Study in Design of Experiments: Improving the Manufacture of Viscose Fiber

Summary: [This abstract is based on the author's abstract.] Well-designed statistical techniques can improve the quality of a manufacturing process by increasing knowledge of the underlying process. A case study of viscose fiber production illustrates how results from a simple fractional factorial experiment improve fiber strength and elongation. Also investigated is the relationship between strength and thickness of the fiber.

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  • Topics: Statistical Process Control (SPC), Design of Experiments
  • Keywords: Design, Case study, Statistical process control (SPC), Fractional factorial design, Regression, Design of experiments (DOE)
  • Author: Ledolter, Johannes (
  • Journal: Quality Engineering