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    • 9. 发明授权
    • Apparatus and method for automatically creating membership functions
    • 自动创建隶属函数的装置和方法
    • US5402525A
    • 1995-03-28
    • US102712
    • 1993-08-06
    • Akira OkumuraTsutomu Ishida
    • Akira OkumuraTsutomu Ishida
    • G05B13/02G06F9/44G06F17/18G06N7/02G06F15/00
    • G06N7/023Y10S706/90
    • Membership functions are capable of being created with ease even by a person who is not an expert or skilled individual. Data Ai.about.Bi sensed by sensors 11.about.13 and synthesized data Mi are stored in a memory device 31 in correlation with identification codes Di of objects. The results of comparing the "tastiness" of an object Di with that of an object Dj are entered from an input unit 15 and stored in the memory device 31. An evaluating unit 32 arrays the results of comparison in accordance with inequality symbols and assigns evaluation values to these results in the order of the array. A histogram creating unit 33 generates a histogram by plotting each item of input data Ai.about.Mi along a horizontal axis and plotting the corresponding evaluation values along a vertical axis. Whether or not a function obtained by connecting the peaks of the histogram is appropriate as a basic function for creation of a membership function is judged by a judging unit 34 from the viewpoint of whether the function has a unique peak or a variance about the peak that is small. A function judged to be appropriate is normalized by a generating unit 35, thereby generating a membership function.
    • 会员功能能够轻松创建,即使是不是专家或技术人员的人。 传感器11感测到的数据Ai差异Bi与合成数据Mi相关联地存储在存储装置31中,与对象的识别码Di相关。 将对象Di与对象Dj的“味觉”进行比较的结果从输入单元15输入并存储在存储装置31中。评估单元32根据不等式符号排列比较结果,并分配评估 这些结果的值按数组的顺序排列。 直方图创建单元33通过沿水平轴绘制输入数据Ai DIFFERENCE Mi的每个项目并沿着垂直轴绘制相应的评估值来生成直方图。 从功能是否具有关于峰值的唯一峰值或方差的观点来看,通过判断单元34判断通过连接直方图的峰值获得的功能是否适合作为用于创建隶属函数的基本功能 是小。 判断为合适的功能由生成单元35归一化,从而生成隶属函数。