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工程设计学报
工程设计学报  2019, Vol. 26 Issue (4): 433-440    DOI: 10.3785/j.issn.1006-754X.2019.04.009
建模、仿真、分析与决策     
基于Kriging代理模型的拉杆组合转子强度可靠性研究
王艾伦1,2, 刘乐1,2, 刘庆亚1,2
1.中南大学 高性能复杂制造国家重点实验室， 湖南 长沙410083
2.中南大学 机电工程学院， 湖南 长沙410083
Research on strength reliability of pull rod combined rotor based on Kriging surrogate model
WANG Ai-lun1,2, LIU Le1,2, LIU Qing-ya1,2
1.State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China
2.College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
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摘要： 针对燃气轮机拉杆组合转子可靠性分析的复杂性，研究了基于Kriging代理模型的强度可靠性分析方法。通过拉丁超立方抽样法对代理响应曲面进行采样，得到了拉杆组合转子透平端各零件的应力分布特性；建立拉杆组合转子系统的强度可靠性数学模型，分别从零件与系统的角度研究了拉杆组合转子的强度可靠性；研究不确定性因素和强度退化共同影响下的拉杆组合转子强度可靠性，揭示了拉杆组合转子强度可靠性变化规律。研究结果为燃气轮机机组的可靠性设计、安全稳健性运行及停机检修提供了一定的参考。
Abstract: In view of the complexity of the reliability analysis for the gas turbine pull rod combined rotor, the strength reliability analysis method based on Kriging surrogate model is researched. The proxy response surface was sampled by Latin hypercube sampling, and the stress distribution characteristics of parts at the turbine end of the pull rod combined rotor were obtained. The strength reliability mathematical model of pull rod combined rotor system was established, which was used to study the strength reliability of pull rod combined rotor from the perspective of parts and system. The strength reliability of pull rod combined rotor under the joint influence of uncertainty factors and strength degradation was studied, and the variation rule of strength reliability of pull rod combined rotor was revealed. The study results provide a certain reference for the reliability design, safe and stable operation and shutdown maintenance of the gas turbine unit.
收稿日期: 2019-01-09 出版日期: 2019-08-28
CLC:  TH 113.1  
基金资助: 国家重点基础研究发展计划（973计划）资助项目（2013CB035706)
作者简介: 王艾伦(1959—)，男，湖南长沙人，教授，博士生导师，博士，从事机械设计及理论研究，E-mail:13975381563@163.com，https://orcid.org/0000-0003-3744-1451
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引用本文:

王艾伦, 刘乐, 刘庆亚. 基于Kriging代理模型的拉杆组合转子强度可靠性研究[J]. 工程设计学报, 2019, 26(4): 433-440.

WANG Ai-lun, LIU Le, LIU Qing-ya. Research on strength reliability of pull rod combined rotor based on Kriging surrogate model. Chinese Journal of Engineering Design, 2019, 26(4): 433-440.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2019.04.009    或    https://www.zjujournals.com/gcsjxb/CN/Y2019/V26/I4/433

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