Design and analysis of MHD-based momentum ring for satellite attitude adjustment

Youlin Gu; Qinghua Liang; Anlei Zhou; Chaozhen Liu; Shigang Wang

doi:10.1117/12.2619355

29 November 2021 Design and analysis of MHD-based momentum ring for satellite attitude adjustment

Youlin Gu, Qinghua Liang, Anlei Zhou, Chaozhen Liu, Shigang Wang

Proceedings Volume 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021); 120800N (2021) https://doi.org/10.1117/12.2619355
Event: 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 2021, Nanchang, China

Abstract

The fluid momentum ring based on magnetohydrodynamics (MHD) as an actuator for satellite attitude control has advantages in terms of reliability that are not found in conventional flywheel mechanisms. In the design study of the fluid momentum ring based on MHD, the paper presents an optimized design of the magnetic circuit of the fluid ring and a coupled FEM analysis of the multi-physics field of the electric-magnetic-fluid. The proposed design is able to reduce the influence of the induced magnetic field generated by the current on the intrinsic magnetic field and reduce the coupling effect between the electric and magnetic fields. Unlike the general motor structure, the magnetic field in the fluid cavity acts at a greater distance. Here the magnetic circuit is designed purposefully and optimized using particle swarm algorithm. Finally, the designed fluid momentum ring is simulated with FEM to analyze the coupled electric-magnetic-fluid multiphysical field.

Citation Download Citation

Youlin Gu, Qinghua Liang, Anlei Zhou, Chaozhen Liu, and Shigang Wang "Design and analysis of MHD-based momentum ring for satellite attitude adjustment", Proc. SPIE 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 120800N (29 November 2021); https://doi.org/10.1117/12.2619355

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