Articles

A new flywheel health status assessment model based on explicable belief rule base

  • Xiaoyu CHENG ,
  • Peng HAN ,
  • Wei HE ,
  • Peng ZHANG ,
  • Xiaoxia HAN ,
  • Yingmei LI ,
  • You CAO
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  • 1.School of Computer Science and Information Engineering,Harbin Normal University,Harbin 150025,China
    2.Rocket Force University of Engineering,Xi’an 710025,China
    3.Key Laboratory for Fault Diagnosis and Maintenance of Spacecraft in Orbit,Xi’an 710043,China
E-mail: he_w_1980@163.com

Received date: 2022-05-02

  Revised date: 2022-05-23

  Accepted date: 2022-06-13

  Online published: 2022-06-27

Abstract

The stable operation of the flywheel system has a great impact on the on-orbit safety of spacecraft, so it is very important to assess the health status of the flywheel system. When modeling the flywheel system health status assessment, it is required that the model not only deals with various uncertainties to ensure the accuracy of assessment results, but also has a transparent and reasonable assessment process and explicable and traceable assessment results. Therefore, based on the modeling method of Belief Rule Base (BRB), a new explicable Belief Rule Base (BRB-e) flywheel system health assessment model based on explicable modeling is constructed. Firstly, explicable modeling criteria are defined according to the characteristics of flywheel system. On this basis, the reasoning process of BRB-e assessment model is designed. Then, based on the Whale Optimization Algorithm (WOA), a parameter optimization method of BRB-e model with explicable constraints is proposed. Finally, the effectiveness of the model for flywheel system health status assessment is verified by a case study of the bearing components in a flywheel system. The comparative study shows that the BRB-e model proposed has certain advantages in accuracy of assessment results and explainability of the assessment process.

Cite this article

Xiaoyu CHENG , Peng HAN , Wei HE , Peng ZHANG , Xiaoxia HAN , Yingmei LI , You CAO . A new flywheel health status assessment model based on explicable belief rule base[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023 , 44(S1) : 172 -184 . DOI: 10. 7527/S1000-6893. 2022. 27496

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