基于约束多目标优化算法的夹具定位方案稳健性优化设计

doi:10.12382/bgxb.2021.0064

兵工学报 ›› 2022, Vol. 43 ›› Issue (3): 686-693.doi: 10.12382/bgxb.2021.0064

基于约束多目标优化算法的夹具定位方案稳健性优化设计

鲁宇明¹，张祥飞¹，黎明²，赵闵清¹

（1.南昌航空大学航空制造工程学院，江西南昌 330063； 2.南昌航空大学信息工程学院，江西南昌 330063）

上线日期:2022-04-07
通讯作者: 鲁宇明（1969—），女，教授，硕士生导师，博士 E-mail:luyuming69@163.com
作者简介:张祥飞（1995—），男，硕士研究生。 E-mail： 1097427635@qq.com
基金资助:
国家自然科学基金项目（61866025）；江西省自然科学基金项目（20202BABL212010）；江西省科技厅重点研发项目（20192BBGL70048）；南昌航空大学研究生创新专项基金项目（YC2019013）

Robust Optimization Design of Fixture Locating Scheme Based on Constrained Multi-objective Optimization Algorithm

LU Yuming¹, ZHANG Xiangfei¹, LI Ming², ZHAO Minqing¹

(1.College of Aeronautical Manufacturing Engineering, Nanchang Hangkong University, Nanchang 330063, Jiangxi, China；2.College of Information Engineering, Nanchang Hangkong University, Nanchang 330063, Jiangxi, China )

Online:2022-04-07

摘要/Abstract

摘要： 设计人员通常根据自身经验或某些特定的优化方法获得稳健的夹具定位方案。由于设计人员的经验水平及使用条件等方面的限制，导致该类方法缺乏通用性，为此提出了一种约束多目标优化算法确定夹具定位方案。该算法由稳态演化的可行解搜索阶段和双种群优化阶段构成，将网格约束分解的方法和基于可行性准则的方法结合，以合作的方式求解约束多目标优化问题。经过测试函数的检验以及与其他算法对比验证该算法的可行性，以工程问题为例，完成了夹具定位方案优化设计。研究结果表明，约束多目标优化算法的设计方法具有更好的通用性和实用性，不仅简化了夹具定位方案设计程序，而且揭示了工件在不同方向上偏移方差之间的相互关系。

关键词: 夹具, 定位方案, 稳健性, 约束多目标优化

Abstract: Designers usually design a robust fixture locating scheme according to their own experience or some specific optimization methods. The lack of the designer's experience and the different using conditions often result in the lack of universality of this design method. A constrained multi-objective optimization algorithm is proposed to design fixture locating scheme. The proposed algorithm include a feasible solution search phase based on steady-state evolution and a double population optimization phase. In the proposed algorithm, a grid constraint decomposition approach and a feasibility criterion-based approach are used to solve the constrained multi-objective optimization problems. The reliability of the proposed algorithm is verified by validating the test function and comparing with other algorithms. An optimization design of the fixture locating scheme was completed based on the kinematics model of fixture locating scheme. The results show that the design method has the better universality and practicability, which not only simplifies the design program of fixture locating scheme, but also reveales the relationship among the offset variances of workpiece in different directions.

Key words: fixture, locatingscheme, robustness, constrained, multi-objectiveoptimization

中图分类号:

TG75

鲁宇明，张祥飞，黎明，赵闵清. 基于约束多目标优化算法的夹具定位方案稳健性优化设计[J]. 兵工学报, 2022, 43(3): 686-693.

LU Yuming, ZHANG Xiangfei, LI Ming, ZHAO Minqing. Robust Optimization Design of Fixture Locating Scheme Based on Constrained Multi-objective Optimization Algorithm[J]. Acta Armamentarii, 2022, 43(3): 686-693.

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基于约束多目标优化算法的夹具定位方案稳健性优化设计

Robust Optimization Design of Fixture Locating Scheme Based on Constrained Multi-objective Optimization Algorithm

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