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Quality fluctuation display device, quality fluctuation display method, quality fluctuation display program, and recording medium recording the program

机译:质量变动显示装置,质量变动显示方法,质量变动显示程序以及记录该程序的记录介质

摘要

PPROBLEM TO BE SOLVED: To provide a device for displaying quality variations that can surely recognize periodic information of quality, on the basis of the number of products, such as the occurrence of failures for every prescribed number of products. PSOLUTION: The device includes a quality data storage DB 14 for storing results of measuring each product measured with measuring equipment, in association with manufacturing order; an interval statistic calculating unit 21 for shifting interval that corresponds to the products of fixed segment numbers by fixed shift numbers to find statistic amount for each interval, and for producing a graph that indicates the statistics at equal intervals in the manufacturing order, and a display unit 25 for displaying the graph. An interval statistic calculating unit 21 performs a predetermined conversion so that the frequency distribution approximates a normal distribution with respect to the measured results of products, and calculates a confidence interval, by carrying out the inverse transformation of conversion correspondence confidence interval that corresponds to the measured results after the conversion. PCOPYRIGHT: (C)2008,JPO&INPIT
机译:

要解决的问题:提供一种用于显示质量变化的设备,该设备可以根据产品的数量(例如,每指定数量的产品发生故障)来确定地识别周期性的质量信息。

解决方案:该设备包括质量数据存储数据库14,用于与制造订单相关联地存储使用测量设备测量的每种产品的测量结果。间隔统计量计算单元21,用于将与固定段号的乘积相对应的间隔移位固定的移位数,以找到每个间隔的统计量,并生成表示制造顺序中等间隔的统计量的图表和显示。用于显示图形的单元25。间隔统计量计算单元21进行预定的转换,以使频率分布相对于产品的测量结果近似于正态分布,并通过执行与测量的对应的转换对应置信区间的逆变换来计算置信区间。转换后的结果。

版权:(C)2008,日本特许厅&INPIT

著录项

  • 公开/公告号JP4281842B2

    专利类型

  • 公开/公告日2009-06-17

    原文格式PDF

  • 申请/专利权人 オムロン株式会社;

    申请/专利号JP20080064603

  • 发明设计人 藤井 徹;杉原 史郎;

    申请日2008-03-13

  • 分类号G05B19/418;

  • 国家 JP

  • 入库时间 2022-08-21 19:40:09

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