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1. 发明授权

US08489530B2 System and method for root cause analysis of the failure of a manufactured product 有权
公开(公告)号：US08489530B2
公开(公告)日：2013-07-16
申请号：US12315497
申请日：2008-12-03
申请人： Sudripto De , Srinivas Narasimhamurthy , Ashish Sureka , Satyabrata Pradhan
发明人： Sudripto De , Srinivas Narasimhamurthy , Ashish Sureka , Satyabrata Pradhan
IPC分类号： G06F17/00 , G06F7/60 , G06F11/00
CPC分类号： G06N7/005
摘要： A system, method and computer program product for the root cause analysis of the failure of a manufactured product is disclosed. The present invention includes the development of a knowledge model, based on information obtained from historical warranty claim forms and various manufacturing data sources. The invention also includes processing text information in a free-form text that is obtained from warranty claim forms by using text-tagging and annotation techniques. Thereafter, the knowledge model is converted to a Bayesian network. The present invention provides a user interface to select parameters and corresponding instances from current warranty claim forms. The selected parameters and corresponding instances are used as input evidence for the Bayesian network. The present invention facilitates the process of drawing inferences for root cause analysis of the failure of manufactured products and corresponding probabilities.

2. 发明申请

US20090150325A1 System and method for root cause analysis of the failure of a manufactured product 有权
标题翻译：用于根本原因分析制造产品故障的系统和方法
公开(公告)号：US20090150325A1
公开(公告)日：2009-06-11
申请号：US12315497
申请日：2008-12-03
申请人： Sudripto De , Srinivas Narasimhamurthy , Ashish Sureka , Satyabrata Pradhan
发明人： Sudripto De , Srinivas Narasimhamurthy , Ashish Sureka , Satyabrata Pradhan
IPC分类号： G06N7/02 , G06F3/048
CPC分类号： G06N7/005
摘要： A system, method and computer program product for the root cause analysis of the failure of a manufactured product is disclosed. The present invention includes the development of a knowledge model, based on information obtained from historical warranty claim forms and various manufacturing data sources. The invention also includes processing text information in a free-form text that is obtained from warranty claim forms by using text-tagging and annotation techniques. Thereafter, the knowledge model is converted to a Bayesian network. The present invention provides a user interface to select parameters and corresponding instances from current warranty claim forms. The selected parameters and corresponding instances are used as input evidence for the Bayesian network. The present invention facilitates the process of drawing inferences for root cause analysis of the failure of manufactured products and corresponding probabilities.
摘要翻译：公开了一种用于根本原因分析制造产品故障的系统，方法和计算机程序产品。本发明包括基于从历史保修索赔表和各种制造数据源获得的信息开发知识模型。本发明还包括通过使用文本标签和注释技术处理从保修索赔表获得的自由形式文本中的文本信息。此后，将知识模型转换为贝叶斯网络。本发明提供了一个用户界面，用于从当前的保修索赔表中选择参数和对应的实例。所选择的参数和相应的实例被用作贝叶斯网络的输入证据。本发明有助于对制造产品的故障和相应概率的根本原因分析的推论过程。

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