自适应参数驱动的装配界面形状主动设计方法

doi:10.3901/JME.2023.05.212

机械工程学报 ›› 2023, Vol. 59 ›› Issue (5): 212-222.doi: 10.3901/JME.2023.05.212

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自适应参数驱动的装配界面形状主动设计方法

周意葱¹, 林起崟¹, 王晨¹, 黄伟旋¹, 张国悦², 侯乔², 洪军¹

1. 西安交通大学现代设计及转子轴承系统教育部重点实验室西安 710049;
2. 西安航天发动机有限公司西安 710100

收稿日期:2022-03-30 修回日期:2022-11-08 出版日期:2023-03-05 发布日期:2023-04-20
通讯作者: 林起崟(通信作者),男,1987年出生,博士,教授,博士研究生导师。主要研究方向为静/动装配界面主动设计理论与方法。E-mail:linqiyin@xjtu.edu.cn
作者简介:周意葱,男,1998年出生,博士研究生。主要研究方向为接触行为数值分析、静接触装配界面设计、装配体结构拓扑优化。E-mail:zhouyicongxfjy@stu.xjtu.edu.cn
基金资助:
国家自然科学基金资助项目(52222508，51975457)。

Active Design of Assembly Interface Shape Using Self-adaptive Parameters

ZHOU Yicong¹, LIN Qiyin¹, WANG Chen¹, HUANG Weixuan¹, ZHANG Guoyue², HOU Qiao², HONG Jun¹

1. Key Laboratory of Education Ministry for Modern Design & Rotor-Bearing System, Xi'an Jiaotong University, Xi'an 710049;
2. Xi'an Aerospace Engine Co., Ltd., Xi'an 710100

Received:2022-03-30 Revised:2022-11-08 Online:2023-03-05 Published:2023-04-20

摘要/Abstract

摘要： 应力分布均匀程度是衡量精密机电产品装配精度和性能稳定性的重要指标，均匀的应力分布也是当前精密机电产品装配过程所追求的目标之一。形状设计是改善装配界面接触应力分布的重要途径，针对当前基于应力分布的装配界面形状主动设计方法中初始参数取值难以确定，且相关参数对优化过程计算效率、数值计算稳定性影响较大的问题，提出了一种根据优化过程中接触应力分布均匀程度变化信息来调节优化参数的自适应参数计算方法。并以典型单螺栓连接结构为设计对象，对比了采用自适应参数设计方法与采用固定参数设计方法分别进行装配界面形状主动设计后的结果。理论分析结果表明：该方法可以很好地解决基于应力分布的装配界面形状主动设计方法中初始参数难以确定的问题，同时提高了优化效果、计算效率和优化过程中的数值计算稳定性。

关键词: 形状主动设计, 自适应参数, 装配界面, 接触应力, 分布均匀性

Abstract: The uniformity of the stress distribution is an important indicator of the assembly accuracy and assembly performance stability of precision electromechanical products, and uniform stress distribution is one of the goals pursued in the current assembly process of precision electromechanical products. Shape design is an important way to improve the contact stress distribution at the assembly interface. In view of the problems that the initial parameters are difficult to determine in the current stress distribution-based active design method of the interface shape, and that the relevant parameters have a large impact on the calculation efficiency and numerical stability of the optimization process, an adaptive parameter calculation method is proposed to adjust the optimization parameters based on the information of the uniformity of contact stress distribution during the optimization process. Then, a typical single bolted joint structure is used as the design object to carry out the interface shape design, and the results of the adaptive parameter design method and the fixed parameter design method are compared and analyzed after the active design of the assembly interface shape respectively. Results show that the problem of determining the initial parameters in the stress distribution-based active design method of interface shape can be well solved, and the improvement of the optimization effect, the calculation efficiency and the numerical calculation stability of the optimization process can be achieved simultaneously.

Key words: active shape design, self-adaptive parameter, assembly interface, contact stress, distributing uniformity

中图分类号:

TG156

周意葱, 林起崟, 王晨, 黄伟旋, 张国悦, 侯乔, 洪军. 自适应参数驱动的装配界面形状主动设计方法[J]. 机械工程学报, 2023, 59(5): 212-222.

ZHOU Yicong, LIN Qiyin, WANG Chen, HUANG Weixuan, ZHANG Guoyue, HOU Qiao, HONG Jun. Active Design of Assembly Interface Shape Using Self-adaptive Parameters[J]. Journal of Mechanical Engineering, 2023, 59(5): 212-222.

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自适应参数驱动的装配界面形状主动设计方法

Active Design of Assembly Interface Shape Using Self-adaptive Parameters

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