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    • 54. 发明授权
    • Load calculating device and load calculating method
    • 负荷计算装置和负荷计算方法
    • US07653510B2
    • 2010-01-26
    • US12056020
    • 2008-03-26
    • Kenji HirohataMinoru MukaiKatsumi HisanoTakashi Kawakami
    • Kenji HirohataMinoru MukaiKatsumi HisanoTakashi Kawakami
    • G06F17/18
    • G01R31/2803
    • A device and method for providing a load calculating device is presented. In one embodiment, a load calculating device can include a variable acquiring unit configured to acquire monitoring variables. The monitoring variables can include in a detected value by a sensor monitoring a state of a circuit board and a performance characteristic obtained by a tool monitoring performance of the circuit board. The device can also store a first statistical model that is one of a regression model, an occurrence frequency distribution and a probability distribution; a second storage configured to store a second statistical model that is one of a regression model, an occurrence frequency distribution and a probability distribution. An arithmetic processor can then be used to calculate the intermediate variable from the monitoring variables according to the first statistical model and calculate the physical quantity from calculated intermediate variable according to the second statistical model.
    • 提出了一种用于提供负载计算装置的装置和方法。 在一个实施例中,负载计算装置可以包括被配置为获取监视变量的变量获取单元。 监视变量可以通过监视电路板的状态的传感器和通过电路板的工具监视性能获得的性能特性包括在检测值中。 该装置还可以存储作为回归模型,出现频率分布和概率分布之一的第一统计模型; 第二存储器,被配置为存储作为回归模型,出现频率分布和概率分布之一的第二统计模型。 然后可以使用算术处理器根据第一统计模型从监测变量计算中间变量,并根据第二统计模型从计算的中间变量计算物理量。