Patent ID: 9043645
Filing Date: 2015-05-26
Classification: G05B,G06F

Abstract:
1. A malfunction analysis apparatus comprising: a malfunction-contribution degree calculator configured to obtain a malfunction-contribution degree, which indicates a degree that individual malfunctions contribute to a malfunctioning of an object being analyzed, based on a relative relationship between data to be analyzed, of which elements are configured to have values generated based on values of a plurality of indicators for the object being analyzed, and representative values for the plurality of indicators corresponding to a plurality of malfunctions, respectively; a malfunctioning elements specifier which is configured to specify malfunctioning elements currently occurring, based on the malfunction-contribution degree obtained by the malfunction-contribution degree calculator; a cause indicator specifier configured to specify, when a malfunction involving a combination of malfunctioning elements occurs, an indicator which is estimated as a cause of the malfunctioning elements specified by the malfunctioning elements specifier, based on the representative values of the plurality of indicators and the values of respective elements of the data to be analyzed; and an outputter configured to output at least one of the malfunctioning elements specified by the malfunctioning elements specifier and the indicator specified by the cause indicator specifier the malfunction-contribution degree calculator includes: wherein the cause indicator specifier is configured to specify, when the malfunction involving a combination of malfunctioning elements occurs, the indicator which is estimated as the cause of the malfunctioning elements specified by the malfunctioning elements specifier, based on values of the elements of an attribute pattern, which are stored in advance and represents a set of the representative values of the plurality of indicators, and the values of respective elements of the data to be analyzed stored in the memory for data to be analyzed, and a change degree calculator configured to obtain a degree of change of value of each indicator for the data to be analyzed; and a memory configured to store, as the data to be analyzed, the set of values which represents the degree of change obtained by the change degree calculator, wherein