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Product Robust Design and Process Robust Design: Are They the Same? (No.)

Summary: [This abstract is based on the authors' abstract.]In the dual response approach, both the mean and the variance of the quality response are modeled in terms of the design parameters and noise factors. It is then possible to achieve the dual objective of optimizing the signal and minimizing variation. Much research has been devoted to the dual response problem (DRP), but the unique characteristics of process robust design have not received similar attention. Systematic variation or intercorrelations among controllable process variables put process robust design in a category separate from product robust design. These unique properties are discussed and a general formulation of the DRP is developed as it applies to process robust design. The formulation is illustrated in an industrial process in a high-tech corporation.

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  • Topics: Process Management, Product Development and Recall, Statistical Process Control (SPC)
  • Keywords: Parameter design,Process dynamics,Product design,Taguchi method,Response model,Robust design,Statistical process control (SPC),Quality philosophy
  • Author: Shore, Haim; Arad, Ram
  • Journal: Quality Engineering