基于有向点集的多面多孔式装配偏差分析与协调

doi:10.7527/S1000-6893.2018.21899

材料工程与机械制造

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基于有向点集的多面多孔式装配偏差分析与协调

崔志卓¹, 杜福洲¹, 熊涛²

1. 北京航空航天大学机械工程及自动化学院, 北京 100083;
2. 中国空间技术研究院北京卫星环境工程研究所, 北京 100094

收稿日期:2017-11-29 修回日期:2018-03-20 出版日期:2018-07-15 发布日期:2018-03-19
通讯作者: 杜福洲 E-mail:du_fuzhou@163.com
基金资助:
国防预研项目（160341423008）

Analysis and coordination of assembly deviation of multi plane-and-holes assembly based on orientation points group

CUI Zhizhuo¹, DU Fuzhou¹, XIONG Tao²

1. School of Mechanical Engineering and Automation, Beihang University, Beijing 100083, China;
2. Beijing Institute of Spacecraft Environment Engineering, China Academy of Space Technology, Beijing 100094, China

Received:2017-11-29 Revised:2018-03-20 Online:2018-07-15 Published:2018-03-19
Supported by:
National Defence Pre-research Foundation (160341423008)

摘要/Abstract

摘要： 多面多孔式装配是航天航空等大尺度部件装配/装调常见的连接形式之一，其空间装配关系复杂，调配环节多且存在耦合，以试错式的装配作业方式存在难度大、需反复试装与调配、装配质量一致性差、装配效率低等问题。采用"有向点"表征轴/孔配合的空间装配关系，提出了一种基于有向点集的多面多孔式装配协调数学模型，通过奇异值分解（SVD）分解法对基于有向点集的协调模型进行最优匹配运算，给出了装配调整量的计算方法。最后，以实际工程需求为应用背景，在实验室环境下进行了多面多孔式装配协调试验，结果表明基于测量数据的装配偏差分析与装配调整量计算方法可行。

关键词: 测量辅助装配, 多面多孔, 有向点, 装配偏差, SVD分解法

Abstract: Multi plane-and-holes assembly is a common connection process in assembly of large-scale aircraft or spacecraft products, and has many adjustment chains and complex assembly relationships. The trial and error mode of assembly work is difficult and needs to be repeated and adjusted, so the quality of assembly is poor and the assembly efficiency is low. This paper proposes the concept of "orientation point" to represent the position and posture of the hole or shaft. A multi plane-and-holes assembly mathematical model is developed based on the "orientation points" group. The Singular Value Decomposition (SVD) method is used to obtain the best-fit of orientation points groups. The calculation method for adjustment amount is given. According to the practical engineering requirement, a multi plane-and-holes assembly experiment is conducted in the laboratory environment. Experimental results show that the proposed methods are feasible for assembly deviation analysis and adjustment amount calculation based on measure data.

Key words: measurement-assisted assembly, multi plane-and-holes, orientation point, assembly error, Singular Value Decomposition (SVD) method

中图分类号:

V465

崔志卓, 杜福洲, 熊涛. 基于有向点集的多面多孔式装配偏差分析与协调[J]. 航空学报, 2018, 39(7): 421899-421899.

CUI Zhizhuo, DU Fuzhou, XIONG Tao. Analysis and coordination of assembly deviation of multi plane-and-holes assembly based on orientation points group[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018, 39(7): 421899-421899.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

基于有向点集的多面多孔式装配偏差分析与协调

Analysis and coordination of assembly deviation of multi plane-and-holes assembly based on orientation points group

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[1]	张玮, 王志国, 谭昌柏, 刘霞. 基于夹具主动定位补偿的飞机柔性件装配偏差优化方法[J]. 航空学报, 2017, 38(6): 420862-420862.
[2]	陈晖, 谭昌柏, 王志国. 耦合几何与材料误差的柔性装配偏差统计分析[J]. 航空学报, 2015, 36(9): 3176-3186.
[3]	朱绪胜, 郑联语. 基于关键装配特性的大型零部件最佳装配位姿多目标优化算法[J]. 航空学报, 2012, 33(9): 1726-1736.
[4]	陈哲涵, 杜福洲, 唐晓青. 基于关键测量特性的飞机装配检测数据建模研究[J]. 航空学报, 2012, 33(11): 2143-2152.