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Evaluation and ranking of manufacturing line non-numeric information

  • US 5,636,144 A
  • Filed: 06/02/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 02/27/1992
  • Status: Expired due to Fees
First Claim
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1. A program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine to perform method steps for quantitatively ranking the performance of a plurality of non-numeric attributes of a manufacturing line, said method steps comprising:

  • (a) recording in a computer processor database a measure signal for each of a plurality of manufacturing runs on the manufacturing line, wherein each said measure signal comprises a data signal representing an output measure of the manufacturing line, and said data signals are obtained by operating the manufacturing line to produce a product;

    (b) recording in said computer processor database attribute ID signals associated with each of said plurality of manufacturing runs, wherein each of said attribute ID signals identifies a non-numeric attribute that contributed to the manufacturing run;

    (c) normalizing said recorded measure signal for each of said plurality of manufacturing runs; and

    (d) using a convergent iterative process to deconvolute said normalized recorded measure signals and said attribute ID signals to generate a quantitative numeric measure signal for the non-numeric attributes.

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