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三、设计开发质量管理中应用的主要统计手法在产品设计中,许多参数的选定都得通过试验,尤其是机械产品,试验都是在多因素和多水平①的情况下进行的。因此,如何合理地安排试验以及对试验的结果如何进行科学分析,就成为设计人员十分关心的问题。实验设计法是英国人费希尔(R. A,Fisher)于1920年首先提出来的。二次大战后,日本田口玄一博士把它应用于改进产品质量和新产品设计开发中,取得显著的成效。经过卅多年的研究和实践,目前在日本和其他一些工业先进国家,实验设计法不但在科研、
Third, the design and development of the main statistical techniques used in quality management In the product design, the selection of many parameters have to pass the test, in particular, mechanical products, testing are carried out in a multi-factor and multi-level ① circumstances. Therefore, how to arrange the test reasonably and how to analyze the result of the test scientifically becomes a question that designers are very concerned about. The experimental design method was first proposed by R. A, Fisher in 1920. After the Second World War, Japan’s Taguchi Xuanyi applied it to improve product quality and new product design and development, and achieved remarkable results. After years of research and practice, at present in Japan and other industrialized countries, the experimental design method not only in scientific research,