基于Taguchi方法的转子系统动力学容差设计

杨隽; 臧朝平; 刘永泉; 王晓伟; 冯国全

doi:10.13224/j.cnki.jasp.2014.07.010

基于Taguchi方法的转子系统动力学容差设计

doi: 10.13224/j.cnki.jasp.2014.07.010

1. 南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室, 南京 210016;
2. 中国航空工业集团公司沈阳发动机设计研究所, 沈阳 110015

基金项目:

国家自然科学基金（51175244）；南京航空航天大学研究生创新基地（实验室）开放基金（kfjj120104）；中央高校基本科研业务费专项资金；江苏省高校优势学科建设工程资助

详细信息

作者简介:
杨隽（1989-），女，江苏无锡人，硕士生，主要从事结构动力学鲁棒设计的研究。

中图分类号: V231.92
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- 被引次数: 0
出版历程
- 收稿日期: 2013-04-10
- 刊出日期: 2014-07-28

Taguchi method based tolerance design for rotor system dynamics

1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China

摘要

摘要: 提出了基于Taguchi方法的转子系统动力学容差设计理论.从结构的动力响应要求出发，以Taguchi方法为基础，对结构的制造及装配容差进行动力学容差设计，减小结构在制造过程的设计参数不确定和安装工艺不确定影响下其动力响应的波动.该设计过程为：①通过正交试验及方差分析完成参数设计，初步确定符合要求的参数设计值组合；②确定容差设计的初始设计值及初始设计范围，确定目标函数，形成多目标优化问题；③利用遗传算法对多目标优化问题进行解算，得到容差设计结果.对某型双转子航空发动机具有初始不平衡量轮盘的安装工艺进行了容差设计.设计表明：具有初始不平衡量的轮盘在装配时通过控制不平衡量的幅值及相位角差的搭配可有效降低支承振动响应，设计后支承最大振动响应合格率由17.7%提高至97%，验证了该设计理论的可行性.
- 容差设计 /
- Taguchi方法 /
- 动力学响应 /
- 多目标优化 /
- 遗传算法
Abstract: A novel method based on Taguchi's method was proposed for tolerance design for rotor system dynamics. It reduces structural dynamic response variation of rotor system due to uncertainties of design parameters and assembly process, by tolerance design of manufacturing and assembly parameters. The approach was performed by the following steps:(1) Design parameters through orthogonal array experiments and ANOVA(analysis of variance), initially determining level combination of design parameters meeting design requirements;(2) Determine initial nominal value and range of design parameters for tolerance design, set up objective function and form multi-objective optimization;(3) Solve the multi-objective optimization problem by genetic algorithm and get the tolerance design results. A tolerance design of initial unbalanced discs assembly for a twin-spool aero-engine was carried out. The results show that bearing vibration response can be decreased by matching of initial unbalance amplitude and phase angle differences, and qualified rate of maximum bearing vibration response is increased from 17.7% to 97%, which can verify the feasibility of the method.
- tolerance design /
- Taguchi's method /
- dynamic response /
- multi-objective optimization /
- genetic algorithm

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