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    Method and system for diagnosis and analysis of products troubles
    1.
    发明授权
    Method and system for diagnosis and analysis of products troubles 失效
    产品故障诊断与分析方法与系统

    公开(公告)号：US5596712A

    公开(公告)日：1997-01-21

    申请号：US910453

    申请日：1992-07-08

    申请人： Tsutomu Tsuyama ,  Shigeru Sato ,  Kayo Tsunekawa ,  Sadao Shimoyashiro ,  Toshimasa Harada ,  Koichi Higano ,  Toshio Namiki ,  Chikaaki Yamaguchi ,  Mitsuzo Morito

    发明人： Tsutomu Tsuyama ,  Shigeru Sato ,  Kayo Tsunekawa ,  Sadao Shimoyashiro ,  Toshimasa Harada ,  Koichi Higano ,  Toshio Namiki ,  Chikaaki Yamaguchi ,  Mitsuzo Morito

    IPC分类号： G06F11/22 ,  G05B23/02 ,  G06F9/44 ,  G06F11/25 ,  G06F19/00 ,  G06N5/04 ,  G06Q50/00 ,  G06Q50/04 ,  G06Q50/10 ,  G06F11/34 ,  G06F11/00

    CPC分类号： G06F11/2257

    摘要： A computer-implemented method and system for diagnosing and system for diagnosing and analyzing fault information of a product is carried out by (a) creating a fault tree representing causal relations between faults and causes thereof base on information of past faults and information concerning the structure and characteristics of the product, and storing the fault tree in a storage unit, the fault tree having branches allocated with weighting coefficients; (b) inputting new fault information of the product into the computer; (c) searching the fault tree in accordance with the weighting coefficients based on the fault information stored in the storage unit to thereby determine the cause of the fault; (d) generating and outputting information concerning an adjustment or repair of the product suffering from the fault based on the determined cause of the fault as well as the information concerning the structure and the characteristics of the product; (e) supplying information concerning the timing of the occurrence of the fault, symptoms appearing in the fault, the cause of the fault and the adjustment and repair data to a host computer through a data collecting station to thereby construct a database for the fault information; and (f) the quality of the product based on all or a part of information of the database.

    摘要翻译： 一种用于诊断和分析产品故障信息的诊断和系统的计算机实现方法和系统是通过以下方式进行的：（a）基于过去故障的信息和关于结构的信息，创建表示故障及其原因之间的因果关系的故障树 和产品的特性，并将故障树存储在存储单元中，故障树具有分配了加权系数的分支; （b）将产品的新故障信息输入计算机; （c）基于存储在存储单元中的故障信息，根据加权系数搜索故障树，从而确定故障原因; （d）根据确定的故障原因以及关于产品的结构和特性的信息生成和输出有关故障产品的调整或修理的信息; （e）通过数据收集站提供关于故障发生的时间，故障中出现的症状，故障原因和调整和修复数据到主计算机的信息，从而构建故障信息的数据库 ; 和（f）基于数据库的全部或部分信息的产品质量。