[1]LIU Qiang,JIAO Guoshuai.Layout optimization of aero-engine pipe clamps based on Kriging model and NSGA-Ⅱ[J].CAAI Transactions on Intelligent Systems,2019,14(2):281-287.[doi:10.11992/tis.201709044]
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Layout optimization of aero-engine pipe clamps based on Kriging model and NSGA-Ⅱ
CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume:
14
Number of periods:
2019 2
Page number:
281-287
Column:
学术论文—智能系统
Public date:
2019-03-05
- Title:
- Layout optimization of aero-engine pipe clamps based on Kriging model and NSGA-Ⅱ
- CLC:
- TP18
- DOI:
- 10.11992/tis.201709044
- Abstract:
- Considering the low efficiency and difficulty in solving multi-objective optimization problems of the traditional clamp layout planning methods, a multi-objective layout optimization method of aero-engine pipe clamps based on Kriging model and NSGA-Ⅱ is presented. Firstly, the Kriging surrogate model is constructed to reflect the relationship between the clamp position and the vibration performance of the pipe, and the modeling accuracy is improved by using the Latin hypercube design method and particle swarm optimization (PSO). Secondly, the first natural frequency and second order natural frequency of pipe are selected as the optimization objectives, and then the NSGA-Ⅱ algorithm is applied to solve the layout planning of the pipe clamp for avoiding resonance In the process of optimization, the Kriging models are used instead of the CAE analysis program to evaluate the fitness function, which significantly reduces the computational complexity. Numerical computations of engine pipe clamp layout show that the proposed method can obtain a set of non-dominated solutions meeting engineering requirements while improving the reliability of piping system and computational efficiency of algorithm, which demonstrates the effectiveness and efficiency of proposed method.
- References:
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Last Update:
2019-04-25