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Aircraft assembly data integration based on virtual central data source |
Qiang ZHANG1( ),Kun-peng DU2,Hui LI2,Zong-fa LIN1,Qing WANG1,*( ) |
1. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China 2. Xi’an Aircraft Industrial (Group) Co. Ltd, Xi’an 710089, China |
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Abstract An aircraft assembly data integration method based on a virtual central data source was proposed to solve the problem of multi-source heterogeneity in aircraft assembly data, promote data sharing and maximize utilization. The accessibility of data was improved by constructing a virtual central data source on top of the local data sources. The aircraft assembly data were divided into three classes, which were assembly object data, assembly system data, and assembly task data. A global system data model with five layers was proposed to establish a global uniform index rule, which can support data requesters to express data requirements without ambiguity and avoid the problem of semantic heterogeneity. The method was implemented by a software called assembly data integration middleware, which was used to integrate data in the assembly of the outer wing box. The application verification and test of the middleware were carried out. Results show that the data integration middleware can achieve the integration of multi-source heterogeneous aircraft assembly data and improve the accessibility of multi-source heterogeneous data with high concurrency performance.
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Received: 15 October 2022
Published: 31 August 2023
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Fund: 国家重点研发计划资助项目(2019YFB1707501);基础科研计划资助项目(JCKY2021205B110);自然科学基金资助项目(51975520) |
Corresponding Authors:
Qing WANG
E-mail: 11825016@zju.edu.cn;wqing@zju.edu.cn
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基于虚拟中心数据源的飞机装配数据集成
为了解决飞机装配数据中存在的多源异构问题,促进数据共享和充分利用,提出基于虚拟中心数据源的飞机装配数据集成方法. 通过在所有局部数据源之上构建一个虚拟中心数据源,解决飞机装配数据的多源异构问题并改善数据的可访问性. 将飞机装配数据分为装配对象数据、装配系统数据和装配任务数据3类. 提出5层支全局系统数据模型,建立全局统一的索引规则,持数据请求者无歧义地表达数据需求,避免出现语义异构问题. 对提出的数据集成方法进行软件实现,构建了装配数据集成中间件,并利用该中间件实现外翼翼盒装配的数据集成. 进行中间件的应用验证与测试,结果表明数据集成中间件能够以毫秒级额外数据访问时间为代价,实现多源异构飞机装配数据的集成,改善多源异构数据的可访问性,具有较高的并发性能.
关键词:
飞机装配,
柔性化装配,
多源异构,
数据集成,
中间件
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