A Virtual Assembly Process Simulation Method Based on Assembly Semantics

被引：0
|
作者：
Liu S. [1 ]
Wu L. [1 ]
Liu J. [1 ]
Du Z. [1 ]
Ma J. [1 ]
机构：
[1] School of Mechanical Engineering, Beijing Institute of Technology, Beijing
来源：
Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology | 2021年 / 41卷 / 01期
关键词：
Assembly semantics; Assembly simulation; Geometric constraint; Typical assembly operation;
D O I：
10.15918/j.tbit1001-0645.2019.285
中图分类号：
学科分类号：
摘要：
Aiming at the low efficiency caused by a large number of human-computer interaction operations in the virtual assembly simulation process, a virtual assembly process simulation method based on assembly semantics was proposed. Four typical assembly operations were extracted and the assembly characteristics were parameterized by analyzing the assembly process of complex aerospace products. Matching the assembly feature basic information and geometric primitive information of the assembly semantics, hierarchical analysis of assembly semantics was carried out from semantics layer to geometric feature layer. By solving the geometric constraints of the assembly features, according to the movement direction and order given by the assembly constraint relationship, the corresponding posture change matrix was generated to drive the execution object to complete the assembly process simulation. A prototype system was designed and developed based on Delmia, above process was verified by taking the assembly process simulation of a satellite navigator as an example. © 2021, Editorial Department of Transaction of Beijing Institute of Technology. All right reserved.
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页码：37 / 42
页数：5
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