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Dynamic Compensation Of Profile Data Selection for a Chromatic Point Sensor

机译:色点传感器的轮廓数据选择的动态补偿

摘要

In a chromatic point sensor (100), distance measurements are based on a distance-indicating subset of intensity profile data, which is selected in a manner that varies with a determined peak position index coordinate (PPIC) of the profile data. The PPIC indexes the position a profile data peak. For profile data having a particular PPIC, the distance-indicating subset of the profile data is selected based on particular index-specific data-limiting parameters that are indexed with that same particular PPIC. In various embodiments, each set of index-specific data-limiting parameters indexed with a particular PPIC characterizes a distance-indicating subset of data that was used during distance calibration operations corresponding to profile data having that PPIC. Distance-indicating subsets of data may be compensated to be similar to a corresponding distance-indicating subset of data that was used during calibration operations, regardless of overall intensity variations and detector bias signal level variations.
机译:在色点传感器(100)中,距离测量基于强度轮廓数据的距离指示子集,该距离子集以随轮廓数据的确定的峰值位置索引坐标(PPIC)变化的方式选择。 PPIC对位置进行索引,以获取轮廓数据峰值。对于具有特定PPIC的配置文件数据,基于使用同一特定PPIC进行索引的特定于索引的特定数据限制参数来选择配置文件数据的距离指示子集。在各种实施例中,用特定的PPIC索引的索引特定的数据限制参数的每个集合表征在距离校准操作期间使用的数据的距离指示子集,其对应于具有该PPIC的轮廓数据。数据的距离指示子集可以被补偿为类似于在校准操作期间使用的数据的对应的距离指示子集,而不管整体强度变化和检测器偏置信号电平变化如何。

著录项

  • 公开/公告号EP2060869A1

    专利类型

  • 公开/公告日2009-05-20

    原文格式PDF

  • 申请/专利权人 MITUTOYO CORPORATION;

    申请/专利号EP20080167845

  • 发明设计人 SESKO DAVID WILLIAM;

    申请日2008-10-29

  • 分类号G01B11/06;G01J3/28;G02B21/00;G01B21/04;

  • 国家 EP

  • 入库时间 2022-08-21 19:15:33

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