Location layout design of aircraft parts assembly based on MSVR
CHINESE JOURNAL OF AERONAUTICS(2020)
摘要
Location layout of aircraft assembly is an important factor affecting product quality. Most of the existing re-searches use the combination of finite element analysis and intelligent algorithm to optimize the location layout, which are limited by numerical simulation accuracy and the selection and improvement of intelligent algorithms. At present, the analysis and decision-making technology based on field data is gradually applied in aircraft manufacturing. Based on the perception data of intelligent assembly unit of aircraft parts, a regression model of multi-input and multioutput support vector machine with Gauss kernel function as radial basis function is established, and the hyperparameters of the model are optimized by hybrid particle swarm optimization genetic algorithm (PSO-GA). GA-MSVR, PSO-MSVR and PSOGA-MSVR model are constructed respectively, and their results show that PSOGA-MSVR model has the best performance. Finally, the design of the aircraft wing location layout is taken as an example to verify the effectiveness of the method. (C) 2019 Chinese Society of Aeronautics and Astrona utics. Production and hosting by Elsevier Ltd.
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关键词
Aircraft parts,Assembly,Hybrid particle swarm optimization genetic algorithm,Location layout,Multi-output support vector regression (MSVR),Perception data
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