CN106289146A - 复杂曲面零件形貌测量实验方法 - Google Patents

复杂曲面零件形貌测量实验方法 Download PDF

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Publication number
CN106289146A
CN106289146A CN201610978837.2A CN201610978837A CN106289146A CN 106289146 A CN106289146 A CN 106289146A CN 201610978837 A CN201610978837 A CN 201610978837A CN 106289146 A CN106289146 A CN 106289146A
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Prior art keywords
measurement
complex
curved surface
surface parts
igps
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Inventor
马国庆
郑研斌
刘丽
于正林
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Changchun University of Science and Technology
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Changchun University of Science and Technology
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Priority to CN201610978837.2A priority Critical patent/CN106289146A/zh
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/20Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

本发明复杂曲面零件形貌测量实验方法,属于形貌测量技术领域,解决了现有技术中存在的机器人在变换姿态扫描或者扫描区域相距较远时,测量精度降低技术问题;本方法包括以下步骤:步骤一:标定形貌传感器;步骤二:基于IGPS获取机器人位姿;步骤三:对复杂曲面零件的三维形貌进行测量;步骤四:获取复杂曲面测量数据点云数据;步骤五:对获取的点云数据进行简化、提取、平滑处理;步骤六:基于IGPS的复杂曲面点云数据拼接;步骤七:分析评价形貌测量***的测量精度;本发明利用基于IGPS的全局点云拼接技术来完成点云数据的拼接,能够有效地减少机器人运动引入的测量误差,提高了测量精度。

Description

复杂曲面零件形貌测量实验方法
技术领域
本发明属于形貌测量技术领域,具体涉及复杂曲面零件形貌测量实验方法。
背景技术
工业机器人有着很高的重复定位精度,但是绝对定位精度较低,但是绝对定位精度较低,虽然经过运动学参数的校正能提高机器人的绝对定位精度,但还是会存在一定的误差。机器人在变换姿态扫描或者扫描区域相距较远时,测量的数据无法很好的拼合在一起,不同区域的点云之间出现平移或者旋转错位,但是相邻姿态扫描的点云数据都有重叠区域,导致测量误差,降低了测量精度。
发明内容
本发明的目的是提供复杂曲面零件形貌测量实验的方法,解决现有技术中存在的机器人在变换姿态扫描或者扫描区域相距较远时,测量精度降低技术问题。
本发明复杂曲面零件形貌测量实验方法包括以下步骤:
步骤一:标定形貌传感器;
步骤二:基于IGPS获取机器人位姿;
步骤三:对复杂曲面零件的三维形貌进行测量;
步骤四:获取复杂曲面测量数据点云数据;
步骤五:对获取的点云数据进行简化、提取、平滑处理;
步骤六:基于IGPS的复杂曲面点云数据拼接;
步骤七:分析评价形貌测量***的测量精度。
本发明的有益技术效果:本发明利用基于IGPS的全局点云拼接技术来完成点云数据的拼接,能够有效地减少机器人运动引入的测量误差,提高了测量精度。
附图说明
图1为本发明复杂曲面零件形貌测量方法的总体流程图。
具体实施方式
下面结合附图对本发明作进一步阐述。
参见附图1,本发明本发明复杂曲面零件形貌测量实验方法包括以下步骤:
步骤一:标定形貌传感器;
步骤二:基于IGPS获取机器人位姿;
步骤三:对复杂曲面零件的三维形貌进行测量;
步骤四:获取复杂曲面测量数据点云数据;
步骤五:对获取的点云数据进行简化、提取、平滑处理;
步骤六:基于IGPS的复杂曲面点云数据拼接;
步骤七:分析评价形貌测量***的测量精度。

Claims (1)

1.复杂曲面零件形貌测量实验方法,其特征在于,包括以下步骤:
步骤一:标定形貌传感器;
步骤二:基于IGPS获取机器人位姿;
步骤三:对复杂曲面零件的三维形貌进行测量;
步骤四:获取复杂曲面测量数据点云数据;
步骤五:对获取的点云数据进行简化、提取、平滑处理;
步骤六:基于IGPS的复杂曲面点云数据拼接;
步骤七:分析评价形貌测量***的测量精度。
CN201610978837.2A 2016-11-08 2016-11-08 复杂曲面零件形貌测量实验方法 Pending CN106289146A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101363716A (zh) * 2008-09-26 2009-02-11 华中科技大学 一种组合式空间精密测量***
WO2009127526A1 (en) * 2008-04-18 2009-10-22 3D Scanners Ltd Method and computer program for improving the dimensional acquisition of an object
CN101672637A (zh) * 2009-09-24 2010-03-17 华东理工大学 一种复杂曲面的数字化检测方法
CN102313522A (zh) * 2011-07-05 2012-01-11 长春理工大学 高精度飞机全机数字化三维水平测量***
CN102937426A (zh) * 2012-11-14 2013-02-20 湘潭大学 一种基于机器人视觉伺服的大型复杂零件测量方法
CN104484508A (zh) * 2014-11-26 2015-04-01 华中科技大学 复杂曲面零件非接触式三维匹配检测优化方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009127526A1 (en) * 2008-04-18 2009-10-22 3D Scanners Ltd Method and computer program for improving the dimensional acquisition of an object
CN101363716A (zh) * 2008-09-26 2009-02-11 华中科技大学 一种组合式空间精密测量***
CN101672637A (zh) * 2009-09-24 2010-03-17 华东理工大学 一种复杂曲面的数字化检测方法
CN102313522A (zh) * 2011-07-05 2012-01-11 长春理工大学 高精度飞机全机数字化三维水平测量***
CN102937426A (zh) * 2012-11-14 2013-02-20 湘潭大学 一种基于机器人视觉伺服的大型复杂零件测量方法
CN104484508A (zh) * 2014-11-26 2015-04-01 华中科技大学 复杂曲面零件非接触式三维匹配检测优化方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
钟凯 等: "《组合式大尺寸三维测量***中的结构参数标定算法》", 《天津大学学报》 *

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Application publication date: 20170104