| 伍开宇， 朱海清， 沈伟， 方明.基于响应面法的螺纹接头快速连接器分瓣内螺纹片优化设计[J].轻工机械,2022,40(6):38-43 |
| 基于响应面法的螺纹接头快速连接器分瓣内螺纹片优化设计 |
| Optimization Design of Divided Internal Thread Plate of Male Adapter Quick Connector Based on Response Surface Method |
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| DOI：10.3969/j.issn.1005 2895.2022.06.007 |
| 中文关键词: 压力计量器具 快速连接器 响应面法 多目标遗传算法 拉丁超立方试验设计法 |
| 英文关键词:pressure measuring instrument quick connector response surface method multi objective genetic algorithm Latin hypercube experimental design method |
| 基金项目: |
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| 摘要点击次数: 239 |
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| 中文摘要: |
| 螺纹接头快速连接器在工作过程中，分瓣内螺纹片结构的变形会使O形圈密封端面间隙增大，降低连接器的密封性能。课题组提出了以减小分瓣内螺纹片的最大变形量和等效应力的同时最小化结构质量为优化目标的结构优化设计方法，通过拉丁超立方试验设计方法选取试验设计点，建立分瓣内螺纹片设计变量与质量、最大变形量和最大应力的二阶响应面模型；采用多目标遗传算法优化求解出Pareto最优解集，并通过设计变量灵敏度分析对最优解进行修约。结果表明：当结构质量仅增加6.16%时，结构最大变形量减小了35.75%，最大应力减小了29.7%。该设计方法以结构质量的微幅增大实现了最大变形量与应力的大幅减小，优化效果显著。 |
| 英文摘要: |
| In the process of working, the deformation of the internal thread plate structure will increase the end clearance of O ring seal and reduce the sealing performance of the connector. A structural optimization design method was proposed to minimize the maximum deformation and the equivalent stress of the internal thread plate while minimizing the structural mass. The second order response surface model of the design variables, maximum deformation and maximum stress of the internal thread plate was established by selecting test design points through Latin hypercube experimental design method. The Pareto optimal solution set was optimized by multi objective genetic algorithm, and the optimal solution was modified by design variables sensitivity analysis. The results show that when the structure mass increases by 6.16%, the maximum deformation and maximum stress decrease by 35.75% and 29.7% respectively. The proposed method achieves a significant reduction in maximum deformation and stress with the slight increase of the structure mass, and the optimization effect is remarkable." |
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