MULTI-OBJECTIVE OPTIMIZATION DESIGN OF BACKHOE HYDRAULIC EXCAVATOR WORKING DEVICE BASED ON RESPONSE SURFACE METHODOLOGY

ZHANG XianMeng; LI XiangLong; WANG YouGuo

doi:10.16579/j.issn.1001.9669.2019.03.025

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MULTI-OBJECTIVE OPTIMIZATION DESIGN OF BACKHOE HYDRAULIC EXCAVATOR WORKING DEVICE BASED ON RESPONSE SURFACE METHODOLOGY

更新时间：2022-09-22

- MULTI-OBJECTIVE OPTIMIZATION DESIGN OF BACKHOE HYDRAULIC EXCAVATOR WORKING DEVICE BASED ON RESPONSE SURFACE METHODOLOGY
- Journal of Mechanical Strength Vol. 41, Issue 3, Pages: 659-665(2019)
- 作者机构：
  
  1. 四川大学制造科学与工程学院
  2. 四川邦立重机有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.03.025
  CLC：
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ZHANG XianMeng, LI XiangLong, WANG YouGuo. MULTI-OBJECTIVE OPTIMIZATION DESIGN OF BACKHOE HYDRAULIC EXCAVATOR WORKING DEVICE BASED ON RESPONSE SURFACE METHODOLOGY. [J]. 41(3):659-665(2019)
DOI：

ZHANG XianMeng, LI XiangLong, WANG YouGuo. MULTI-OBJECTIVE OPTIMIZATION DESIGN OF BACKHOE HYDRAULIC EXCAVATOR WORKING DEVICE BASED ON RESPONSE SURFACE METHODOLOGY. [J]. 41(3):659-665(2019) DOI： 10.16579/j.issn.1001.9669.2019.03.025.

摘要

为提高反铲液压挖掘机工作装置的综合性能,综合考虑理论挖掘力、静态强度、动态性能的基础上对反铲液压挖掘机工作装置进行了多目标优化设计。在Ansys Workbench中对工作装置进行了强度分析和模态分析。使用最优拉丁超立方试验设计和响应面法建立了动臂强度、斗杆强度、工作装置质量、1阶模态、2阶模态的近似模型,提高了优化效率。使用NSGA-Ⅱ算法对工作装置进行了多目标优化设计,获得了Pareto解集。优化结果表明在满足约束的情况下工作装置质量下降、动态性能提高、理论挖掘力增大,提高了工作装置的综合性能。

Abstract

In order to improve the comprehensive performance of backhoe hydraulic excavator, a multi-objective optimization design of backhoe hydraulic excavator working device was carried out on the basis of considering the theoretical digging force, static strength and dynamic performance.The strength analysis and modal analysis of the working device are carried out in ANSYS Workbench. By using the optimal Latin hypercube experimental design and response surface methodology, the approximate model of boom strength, bucket strength, working equipment quality, 1 order modal and 2 order modal is established, and the optimization efficiency is improved. Using NSGA-II algorithm, the multi-objective optimization design of the working device is carried out, and the Pareto solution set is obtained. The optimization results show that the quality of the working device decreases, the dynamic performance is improved, the theoretical digging force is increased, and the overall performance of the working device is improved when the constraint is satisfied.

关键词

工作装置多目标优化最优拉丁超立方设计响应面法

Keywords

Working deviceMulti-objective optimizationOptimal Latin hypercube designResponse surface methodology

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