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1. 发明专利

JP2013161411A Analysis method and analysis device for multi-state system 审中-公开
标题翻译：多状态系统的分析方法与分析装置
公开(公告)号：JP2013161411A
公开(公告)日：2013-08-19
申请号：JP2012025041
申请日：2012-02-08
申请人： Hiroshima City Univ , 公立大学法人広島市立大学
发明人： NAGAYAMA SHINOBU , SASAO TSUTOMU , JOHN T BUTLER
IPC分类号： G06N5/04 , G06F17/50
摘要： PROBLEM TO BE SOLVED: To provide a new analysis method of a multi-state system using a multi-valued decision diagram (MDD).SOLUTION: A multi-state system can be recognized as a multi-valued logic function called a structure function, and since the structure function is a monotonous increase function in many cases, the structure function can be compactly expressed with an EVMDD(Edge-Valued Multi-valued Decision Diagram). However, the analysis of the multi-state system using the EVMDD is not simple differently from a method using a normal MDD. Thus, it is possible to more compactly express the structure function than an existing analysis method using the normal MDD by using the EVMDD, and to analyze the system in a calculation time which is almost the same as that in the existing method.
摘要翻译：要解决的问题：提供一种使用多值决策图（MDD）的多状态系统的新分析方法。解决方案：多状态系统可以被认为是称为结构函数的多值逻辑功能，并且由于结构函数在许多情况下是单调递增函数，所以结构函数可以用EVMDD（边值多值决策图）紧凑地表达。然而，使用EVMDD的多状态系统的分析与使用普通MDD的方法不同。因此，与使用EVMDD的普通MDD的现有分析方法相比，可以更紧密地表达结构功能，并且在与现有方法几乎相同的计算时间内对系统进行分析。

2. 发明专利

JP2014099021A Diagnostic method and diagnostic device of multistate system 审中-公开
标题翻译：多系统诊断方法及诊断装置
公开(公告)号：JP2014099021A
公开(公告)日：2014-05-29
申请号：JP2012250017
申请日：2012-11-14
申请人： Hiroshima City Univ , 公立大学法人広島市立大学
发明人： NAGAYAMA SHINOBU , SASAO TSUTOMU , JOHN T BUTLER
IPC分类号： G06N5/04 , G06F11/22
摘要： PROBLEM TO BE SOLVED: To provide a diagnostic method and a diagnostic device of a multistate system using a multivalued decision diagram (MDD).SOLUTION: A multistate system can be considered as a multivalued logic function called a structure function, and since structure functions are usually monotone increasing functions, they can be represented compactly by EVMDDs. Nevertheless, EVMDD-based analysis and diagnosis of a multistate system are different from a method using ordinary MDDs and not straightforward. By using the EVMDDs, the structure functions are represented more compactly compared to when an existing method using the ordinary MDDs is applied, and furthermore the system can be analyzed in comparable computation time as in the existing method. Thus, by using the EVMDD-based analysis method, a diagnostic method and a diagnostic device that are efficient can be implemented.
摘要翻译：要解决的问题：提供使用多值决策图（MDD）的多态系统的诊断方法和诊断装置。解决方案：多状态系统可以被认为是称为结构函数的多值逻辑函数，并且由于结构函数通常是单调递增的功能，它们可以由EVMDD紧凑地表示。然而，基于EVMDD的多状态系统的分析和诊断与使用普通MDD的方法不同，并不直接。通过使用EVMDD，与使用普通MDD的现有方法相比，结构函数更加紧凑地表示，此外，可以在现有方法中与可比较的计算时间对系统进行分析。因此，通过使用基于EVMDD的分析方法，能够实现高效的诊断方法和诊断装置。

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