Abstract
Due to the narrow space and complex structure of spacecraft cabin, the existing asssembly systems can not well suit for the assembly process of cabin products. This paper aims to introduce an assembly auxiliary system for cabin products. A hierarchical-classification method is proposed to re-adjust the initial assembly relationship of cabin into a new hierarchical structure for efficient assembly planning. An improved ant colony algorithm based on three assembly principles is established for searching a optimizational assembly sequence of cabin parts. A mixed reality assembly environment is constructed with enhanced information to promote interaction efficiency of assembly training and guidance. Based on the machine vision technology, the inspection of left redundant objects and measurement of parts distance in inner cabin are efficiently performed. The proposed system has been applied to the assembly work of a spacecraft cabin with 107 parts, which includes cabin assembly planning, assembly training and assembly quality inspection. The application result indicates that the proposed system can be an effective assistant tool to cabin assembly works and provide an intuitive and real assembly experience for workers. This paper presents an assembly auxiliary system for spacecraft cabin products, which can provide technical support to the spacecraft cabin assembly industry.
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Supported by National Basic Research Project of China for the 12th Five-year Plan
LIU Yi, born in 1985, is currently a post doctoral research fellow at CSR Zhuzhou Electric Locomotive Co., Ltd. and Huazhong University of Science and Technology, China. He received his PhD degree from School of Mechanical Science and Engineering, Huazhong University of Science and Technology, China, in 2014.
LI Shiqi, born in 1965, is currently a professor at School of Mechanical Science and Engineering, Huazhong University of Science and Technology, China. He received his PhD degree from School of Traffic Science and Engineering, Huazhong University of Science and Technology, China, in 1993. His research interests include advanced manufacturing technology, system simulation, virtual prototype, tele-operation, etc.
WANG Junfeng, born in 1970, is currently an associate professor at School of Mechanical Science and Engineering, Huazhong University of Science and Technology, China. He received his PhD degree from School of Mechanical Science and Engineering, Huazhong University of Science and Technology, China, in 2004. His research interests include virtual design, virtual prototype and green manufacturing.
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Liu, Y., Li, S. & Wang, J. Assembly auxiliary system for narrow cabins of spacecraft. Chin. J. Mech. Eng. 28, 1080–1088 (2015). https://doi.org/10.3901/CJME.2015.0416.044
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DOI: https://doi.org/10.3901/CJME.2015.0416.044