| 摘要 |
A computer based method optimizes the performance of a product with a plurality of characteristics such as measurements and associated tolerances, using a performance rating based on a performance factor and a contribution parameter set. A characteristic tree has nodes corresponding to characteristics. A design limit and a process capability are determined for each node. Each node has a contribution parameter set with each parameter representing the contribution of a contributor to variations in the characteristic corresponding to that node. An output is generated based on the performance rating and the characteristic tree, with the performance rating for each node based on the performance factor and the contribution parameter set for that node, to illustrate the connectivity among different performance areas for the product.
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