Multi-objective Optimization Analysis of Gear Shaft

Zhong Zifeng; Nie Peng

doi:10.16578/j.issn.1004.2539.2015.01.025

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Multi-objective Optimization Analysis of Gear Shaft

更新时间：2022-10-20

- Multi-objective Optimization Analysis of Gear Shaft
- Vol. 39, Issue 1, Pages: 135-138(2015)
- 作者机构：
  
  1. 华东交通大学轨道交通学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.01.025
  CLC：
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[1]钟自锋,聂鹏.齿轮轴多目标优化分析[J].机械传动,2015,39(01):135-138.

Zhong Zifeng, Nie Peng. Multi-objective Optimization Analysis of Gear Shaft. [J]. 39(1):135-138(2015)
[1]钟自锋,聂鹏.齿轮轴多目标优化分析[J].机械传动,2015,39(01):135-138. DOI： 10.16578/j.issn.1004.2539.2015.01.025.

Zhong Zifeng, Nie Peng. Multi-objective Optimization Analysis of Gear Shaft. [J]. 39(1):135-138(2015) DOI： 10.16578/j.issn.1004.2539.2015.01.025.

摘要

针对齿轮轴的共振问题,采用有限元方法对齿轮轴进行分析,得到其低阶固有频率及其振型。以齿轮轴第一阶频率和第二阶频率最大同时齿轮轴质量最小为目标函数,基于Isight集成优化平台,分别采用AMGA算法、NCGA算法和NSGA-Ⅱ算法对齿轮轴的轴颈直径进行优化分析,优化之后齿轮轴的第一阶、第二阶的固有频率分别增大了6.16%和6.13%,都处于其啮合激励频率的范围之外,并且其质量较优化之前也有所降低,因此将会有效避免齿轮轴发生共振。

Abstract

For the problem of gear shaft resonance,the gear shaft is analyzed with adopting finite element method,the inherent frequency and vibration mode are obtained.The maximum of first and second inherent frequency and the minimum quality are set as objective function,based on Isight integrated optimization platform,the AMGA,NCGA,NSGA-II is adopted to the optimization design in respect of the diameter of neck of shaft.After optimization,the first inherent frequency and second inherent frequency are improved by 6.16% and 6.13%.The low inherent frequency are outside the range of excitation frequency,the quality of gear shaft is reduced,so the resonance will be effectively avoided.

关键词

齿轮轴固有频率多目标优化

Keywords

Gear shaftInherent frequencyMulti-objectiveOptimization

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