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    • 45. 发明申请
    • Failure diagnosis system, image forming apparatus, computer readable medium and data signal
    • 故障诊断系统,图像形成装置,计算机可读介质和数据信号
    • US20080010522A1
    • 2008-01-10
    • US11653400
    • 2007-01-16
    • Koki UwatokoKaoru YasukawaTetsuichi Satonaga
    • Koki UwatokoKaoru YasukawaTetsuichi Satonaga
    • G06F11/00
    • G06N7/005
    • A failure diagnosis system includes a first database, a second database, an observation-information acquiring unit, a determination-probability calculating unit and an occurrence-probability calculating unit. A first cause-and-effect network stored in the first database stochastically represents a relationship between failure-type candidates and first observation information, which have cause-and-effect relationships with the failure-type candidates. Each second cause-and-effect network stored in the second database stochastically represents relationships between second observation information and failure-cause candidates. The observation-information acquiring unit acquires the first and second observation information from a diagnosed system. The determination-probability calculating unit calculates a determination probability of each failure-type candidate based on the first observation information and the first cause-and-effect network. The occurrence-probability calculating unit calculates occurrence probabilities of the failure-cause candidates for each failure-type candidate based on the second observation information and the second cause-and-effect networks.
    • 故障诊断系统包括第一数据库,第二数据库,观察信息获取单元,确定概率计算单元和发生概率计算单元。 存储在第一数据库中的第一因果网络随机地表示故障类型候选和与故障类型候选具有因果关系的第一观察信息之间的关系。 存储在第二数据库中的每个第二因果网络随机地表示第二观察信息和故障原因候选者之间的关系。 观察信息获取单元从诊断的系统获取第一和第二观察信息。 确定概率计算单元基于第一观察信息和第一因果网络来计算每个故障型候选的确定概率。 发生概率计算单元基于第二观察信息和第二因果网络来计算每个故障型候选的故障原因候选的发生概率。
    • 46. 发明申请
    • Failure analysis system, failure analysis method, and program product for failure analysis
    • 故障分析系统,故障分析方法和故障分析程序产品
    • US20070237399A1
    • 2007-10-11
    • US11652531
    • 2007-01-12
    • Tetsuichi SatonagaKoki UwatokoKoji AdachiKaoru Yasukawa
    • Tetsuichi SatonagaKoki UwatokoKoji AdachiKaoru Yasukawa
    • G06K9/62
    • G06K9/4647G06K9/03G06T7/0004G06T2207/30144
    • A failure analysis system includes an obtaining portion that obtains read-in image information that is image information obtained by reading an output image, a memory that stores fundamental image reduction information that is information in which an information amount of fundamental image information is reduced, the fundamental image information serving as a fundamental of the output image, a calculating portion that calculates a characteristic value of a projecting waveform by use of differential information between read-in image reduction information and the fundamental image reduction information, the read-in image reduction information being information in which the information amount of the read-in image information obtained by the obtaining portion is reduced, the fundamental image reduction information being stored in the memory; and a determining portion that determines a defect type group that is a group of defect types of elements included in the output image by use of a clustering process.
    • 故障分析系统包括:获取部,其获取作为通过读取输出图像获得的图像信息的读入图像信息;存储器,其存储基本图像缩小信息,其是基本图像信息的信息量减少的信息; 用作输出图像的基本的基本图像信息,计算部分,其通过使用读入图像缩小信息和基本图像缩小信息之间的差分信息来计算投影波形的特征值,所述读取图像缩小信息 作为获取部获得的读取图像信息的信息量减少的信息,存储在存储器中的基本图像缩小信息; 以及确定部,其通过使用聚类处理来确定作为包括在输出图像中的元素的缺陷类型的组的缺陷类型组。