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航空学报 > 2014, Vol. 35 Issue (11): 3054-3063   doi: 10.7527/S1000-6893.2014.0047
集成BLISCO和iPMA的多学科可靠性设计优化
刘成武1, 靳晓雄2, 刘云平3, 刘继红4
1. 福建工程学院 机械与汽车工程学院, 福建 福州 350108;
2. 同济大学 汽车学院, 上海 201804;
3. 南京信息工程大学 信息与控制学院, 江苏 南京 210044;
4. 北京航空航天大学 机械工程及自动化学院, 北京 100191
Reliability-based Multidisciplinary Design Optimization Integrating BLISCO and iPMA
LIU Chengwu1, JIN Xiaoxiong2, LIU Yunping3, LIU Jihong4
1. School of Mechanical & Automotive Engineering, Fujian University of Technology, Fuzhou 350108, China;
2. School of Automotive Studies, Tongji University, Shanghai 201804, China;
3. College of Information and Control, Nanjing University of Information Science & Technology, Nanjing 210044, China;
4. School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
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摘要 

为解决传统的基于可靠性的多学科设计优化(RBMDO)由于存在优化过程多层嵌套、多学科分析和可靠性分析反复迭代而导致的低效率问题,提出集成两级集成系统协同优化(BLISCO)策略和改进功能测度法(iPMA)的多学科可靠性设计优化方法.首先,基于序列化思想将多学科可靠性设计优化解耦,避免了每次多学科设计优化(MDO)对完整可靠性分析模型的反复调用与迭代.其次,采用高效的更适合复杂工程组织形式的BLISCO策略进行确定性多学科设计优化,摒弃了协同优化的一致性约束和两级集成系统综合法的复杂分析和近似建模问题,提高了计算效率.然后,基于角度更新策略对功能测度法(PMA)进行改进,采用更新角度替代极限状态函数值进行可靠性分析与判别,减少了多学科可靠性分析次数.最后,结合某机型起落架的缓冲器设计实例对所提方法进行验证,结果表明该方法的计算效率较其他方法分别提高了30.93%和19.97%,验证了方法的有效性,且具有工程实用价值.

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刘成武
靳晓雄
刘云平
刘继红
关键词:  两级集成系统协同优化  功能测度法  角度更新  多学科设计优化  可靠性分析  缓冲器    
Abstract: 

To solve the inefficient problem of reliability-based multidisciplinary design optimization (RBMDO), which is caused by the nested optimization process and repeated iterations of multidisciplinary analysis and reliability analysis, a new method integrating Bi-level integrated system collaborative optimization (BLISCO) and improved performance measure approach (iPMA) is proposed. Firstly, with the sequential idea, the whole process is decoupled and the repeatedly reliability analysis of overall reliability model is avoided. Then, an efficient and suitable BLISCO strategy for dealing with the multidisciplinary design optimization (MDO) of complex engineering system is adopted, which abandons the consistency constraints of collaborative optimization as well as the complex analysis and approximate modeling problems of Bi-level integration system synthesis. Thirdly, the performance measure approach (PMA) is improved by updating angle strategy to evaluate the reliability, which can reduce a great number of multidisciplinary reliability analysis. Finally, a shock absorber design example of landing gear has been implemented to verify the efficiency of the proposed method. The results show that the efficiency of the proposed method has been improved by 30.93% and 19.97% respectively compared to the other two methods. Therefore, it is valuable in engineering design and optimization.

Key words:  Bi-level integrated system collaborative optimization    performance measure approach    angle updating    multidisciplinary design optimization    reliability analysis    shock absorber
收稿日期:  2014-02-19      修回日期:  2014-04-09           出版日期:  2014-11-25      发布日期:  2014-04-11      期的出版日期:  2014-11-25
ZTFLH:  V222  
基金资助: 

国家自然科学基金(51175019); 福建省科技计划重点项目(2013H0001); 福州市科技计划项目(2012-G-108,2013-G-90); 江苏省自然科学基金(BK20130999); 江苏省普通高校自然科学研究资助项目(13KJB460012)

通讯作者:  刘成武,Tel.: 0591-22863232 E-mail: liucwfjut@163.com    E-mail:  liucwfjut@163.com
作者简介:  刘成武 男, 博士, 副教授.主要研究方向: 机械结构振动与噪声优化、 多学科设计优化. Tel: 0591-22863232 E-mail: liucwfjut@163.com; 靳晓雄 男, 博士, 教授.主要研究方向: 结构设计优化, 车辆噪声与振动. Tel: 021-65982167 E-mail: jinxiaoxiong_2013@163.com; 刘云平 男, 博士, 副教授.主要研究方向: 多学科可靠性设计, 机器人动力学与控制. Tel: 025-58731276 E-mail: liuyunping2010@163.com; 刘继红 男, 博士, 教授.主要研究方向: 现代设计理论与方法、 数字化设计与制造技术、 飞机制造技术、 人工智能及其工程应用. Tel: 010-82319716 E-mail: ryukeiko@buaa.edu.cn
引用本文:    
刘成武, 靳晓雄, 刘云平, 刘继红. 集成BLISCO和iPMA的多学科可靠性设计优化[J]. 航空学报, 2014, 35(11): 3054-3063.
LIU Chengwu, JIN Xiaoxiong, LIU Yunping, LIU Jihong. Reliability-based Multidisciplinary Design Optimization Integrating BLISCO and iPMA. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(11): 3054-3063.
链接本文:  
http://hkxb.buaa.edu.cn/CN/10.7527/S1000-6893.2014.0047  或          http://hkxb.buaa.edu.cn/CN/Y2014/V35/I11/3054

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