中国机械工程 ›› 2026, Vol. 37 ›› Issue (9): 2194-2204.DOI: 10.3969/j.issn.1004-132X.2026.09.012

• 机械基础工程 • 上一篇    下一篇

面向工程臂架系统的高维全局参数优化设计方法

李梦聪1,4(), 李鹏1,2,3,4, 高荣芝2,3, 庞勇1,4, 郭正刚1,4, 宋学官1,4, 阚子云1,4()   

  1. 1.大连理工大学机械工程学院, 大连, 116024
    2.起重机械关键技术全国重点实验室, 长沙, 410013
    3.中联重科股份有限公司, 长沙, 410013
    4.高性能精密制造全国重点实验室, 大连, 116024
  • 收稿日期:2025-02-14 出版日期:2026-09-25 发布日期:2026-10-21
  • 通讯作者: 阚子云
  • 作者简介:李梦聪,男,2000年生,硕士研究生。研究方向为多学科设计与优化。E-mail:lmcjilinliaoyuan@163.com
    阚子云*(通信作者),男,1991年生,副教授、博士研究生导师。研究方向为面向重大装备设计与运维的计算动力学。E-mail: kanziyun@dlut.edu.cn。
  • 基金资助:
    国家重点研发计划(2023YFB3406900);国家自然科学基金(12372040);中央高校基础研究基金(DUT24RC(3)069)

High-dimensional Global Parameter Optimization Design Methodology for Engineering Boom Systems

LI Mengcong1,4(), LI Peng1,2,3,4, GAO Rongzhi2,3, PANG Yong1,4, GUO Zhenggang1,4, SONG Xueguan1,4, KAN Ziyun1,4()   

  1. 1.School of Mechanical Engineering,Dalian University of Technology,Dalian,Liaoning,116024
    2.State Key Laboratory of Crane Technology,Changsha,410013
    3.Zoomlion Heavy Industry Science and Technology Co. ,Ltd. ,Changsha,410013
    4.State Key Laboratory of High-Performance Precision Manufacturing,Dalian,Liaoning,116024
  • Received:2025-02-14 Online:2026-09-25 Published:2026-10-21
  • Contact: KAN Ziyun

摘要:

针对参数化几何模型稳定性不足、仿真精度与效率难以兼顾以及高维代理模型精度损失等问题,提出面向工程臂架系统的高维全局参数优化方法。该方法以自适应参数化几何建模拓展设计空间,以系统级响应重构兼顾有限元计算精度与效率,并通过代理信息迁移融合径向基函数(RBF)与Kriging模型,构建SITFO代理辅助优化算法。以59 m混凝土泵车臂架系统为例,优化后质量减小18.46%,最大变形量减小10.6%,验证了该方法对高维机械系统优化的适用性。

关键词: 臂架系统, 参数化建模, 代理模型, 结构优化

Abstract:

A high-dimensional global parameter optimization method was proposed for engineering boom systems to address unstable parametric geometry, the trade-off between simulation accuracy and efficiency, and accuracy loss in high-dimensional surrogate modeling. Adaptive parametric geometry modeling expanded the design space; system-level response reconstruction improved finite element efficiency while retaining accuracy; and the surrogate information transfer-based optimization(SITFO) algorithm integrated radial basis function(RBF) and Kriging models. For a 59 m concrete pump truck boom system, the optimized design reduces mass by 18.46% and maximum deformation by 10.6%, demonstrating the method's applicability to high-dimensional mechanical-system optimization.

Key words: boom system, parametric modeling, surrogate model, structural optimization

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