单向压紧制孔工艺的自适应响应面优化方法

摘要/Abstract

摘要：

针对轻型自动化制孔系统的单向压紧制孔工艺，提出了一种基于自适应响应面法的单向压紧制孔工艺参数优化方法。该方法仅通过少量样本点的有限元分析，即可构建可靠的自适应响应面，避免了优化迭代过程中的有限元仿真分析，大大提高了计算效率和精度。以飞机机身框间对接结构为例，构建了自适应响应面模型并进行参数优化，给出了该典型结构的工艺参数推荐值。优化结果表明，压紧力大于和小于最佳值都会造成贴合面间隙过大，采用合理的压紧力是工艺实施的关键。最后通过试验结果验证了所提方法的有效性。

关键词: 飞机装配, 自动化制孔, 参数优化, 响应面法, 移动最小二乘法

Abstract:

A parameter optimization of automatic one-side pressed drilling process was presented to solve the key technology of one-side pressed drilling process based on the adaptive response surface methodology (ARSM), which was applied by the light-weight automatic drilling system. This method might construct reliable response surface by finite element simulations of a few samples, and might avoid the finite element simulation in every iterative optimization. So it might improve the computational efficiency and accuracy greatly.The adaptive response surface was constructed by a case study of joint structure between the frame of fuselage sections, Then the optimized parameters of drilling were achieved through adaptive response surface methodology. The optimized results show that the press forces over or less the optimum values will cause the exaggerated gap of contact surface, so the processing key is to apply reasonable press forces.The effectiveness of the method was verified by the experimental results.

Key words: aircraft assembly, automatic drilling, parameter optimization, response surface methodology, moving least square

中图分类号:

V262.4

姜丽萍, 陈文亮, 王珉, 刘玉琳, 侯玉昭. 单向压紧制孔工艺的自适应响应面优化方法[J]. 中国机械工程, 2015, 26(23): 3156-3161.

Jiang Liping, Chen Wenliang, Wang Min, Liu Yuling, Hou Yuzhao. An Approach to Adaptive Response Surface Optimization of One-side Pressed Drilling Process[J]. China Mechanical Engineering, 2015, 26(23): 3156-3161.

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