Acta Mechanica Sinica

, Volume 34, Issue 2, pp 285–302 | Cite as

Reliability-based multidisciplinary design optimization using incremental shifting vector strategy and its application in electronic product design

  • Z. L. Huang
  • Y. S. Zhou
  • C. Jiang
  • J. Zheng
  • X. Han
Research Paper

Abstract

Use of multidisciplinary analysis in reliability-based design optimization (RBDO) results in the emergence of the important method of reliability-based multidisciplinary design optimization (RBMDO). To enhance the efficiency and convergence of the overall solution process, a decoupling algorithm for RBMDO is proposed herein. Firstly, to decouple the multidisciplinary analysis using the individual disciplinary feasible (IDF) approach, the RBMDO is converted into a conventional form of RBDO. Secondly, the incremental shifting vector (ISV) strategy is adopted to decouple the nested optimization of RBDO into a sequential iteration process composed of design optimization and reliability analysis, thereby improving the efficiency significantly. Finally, the proposed RBMDO method is applied to the design of two actual electronic products: an aerial camera and a car pad. For these two applications, two RBMDO models are created, each containing several finite element models (FEMs) and relatively strong coupling between the involved disciplines. The computational results demonstrate the effectiveness of the proposed method.

Keywords

Reliability-based design optimization (RBDO) Multidisciplinary design optimization (MDO) Incremental shifting vector (ISV) Decoupling algorithm Electronic product 

Notes

Acknowledgements

The project was supported by the Major Program of the National Natural Science Foundation of China (Grant 51490662), the Funds for Distinguished Young Scientists of Hunan Province (Grant 14JJ1016), the State Key Program of the National Science Foundation of China (11232004), and the Heavy-duty Tractor Intelligent Manufacturing Technology Research and System Development (Grant 2016YFD0701105).

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Z. L. Huang
    • 1
    • 2
  • Y. S. Zhou
    • 2
  • C. Jiang
    • 2
  • J. Zheng
    • 2
  • X. Han
    • 2
  1. 1.School of Mechanical and Electrical EngineeringHunan City UniversityYiyangChina
  2. 2.State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle EngineeringHunan UniversityChangshaChina

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