A Modified Conjugate Gradient Approach for Reliability-Based Design Optimization
Wang, Zhiming; Zhang, Yafei; Song, Yalong
2020
Source PublicationIEEE ACCESS
ISSN2169-3536
Volume8Pages:16742-16749
AbstractTo improve the efficiency of structural reliability-based design optimization (RBDO) based on the performance measure approach (PMA), a modified conjugate gradient approach (MCGA) is proposed for RBDO with nonlinear performance function. In PMA, the advanced mean value (AMV) approach is widely used in engineering because its simplicity and efficiency. However, the AMV method shows the inefficient and unstable results for structural performance function with high nonlinearity in RBDO. To overcome this shortcoming, the proposed MCGA method improves the efficiency of solution by modifying the relevant parameters of conjugate gradient approach (CGA) and the direction of conjugate gradient algorithm for searching the optimal design point. Finally, three numerical examples with highly nonlinear performance function and an optimization design example of speed reducer are presented. Compared with different methods, the results show that the MCGA method exhibited the better efficiency and robustness in structural reliability and RBDO analyses.
KeywordReliability-based design optimization modified conjugate gradient approach advanced mean value performance measure approach reliability analysis
DOI10.1109/ACCESS.2020.2966661
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51565032] ; China Scholarship Council[201708625073]
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000524753200019
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64194
Collection机电工程学院
Corresponding AuthorWang, Zhiming
AffiliationLanzhou Univ Technol, Sch Mech & Elect Engn, Lanzhou 730050, Peoples R China
First Author AffilicationLanzhou University of Technology
Corresponding Author AffilicationLanzhou University of Technology
First Signature AffilicationLanzhou University of Technology
Recommended Citation
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Wang, Zhiming,Zhang, Yafei,Song, Yalong. A Modified Conjugate Gradient Approach for Reliability-Based Design Optimization[J]. IEEE ACCESS,2020,8:16742-16749.
APA Wang, Zhiming,Zhang, Yafei,&Song, Yalong.(2020).A Modified Conjugate Gradient Approach for Reliability-Based Design Optimization.IEEE ACCESS,8,16742-16749.
MLA Wang, Zhiming,et al."A Modified Conjugate Gradient Approach for Reliability-Based Design Optimization".IEEE ACCESS 8(2020):16742-16749.
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