An Evaluation of Torque Characteristics of a Spherical Magnetohydrodynamic Attitude Control Device
Publication: Journal of Aerospace Engineering
Volume 37, Issue 5
Abstract
This study presents an innovative approach to attitude control in microsatellites by utilizing a spherical magnetohydrodynamic attitude control device (MHD-SACD) for three-axis attitude adjustments. A novel method is developed to quantify the output torque generated by this device, analyzing the relationship between torque, voltage, and average fluid velocity. Utilizing the energy conservation principle, an equivalent coupling circuit for the MHD-SACD is derived to assess its power dynamics. This leads to the formulation of the electromagnetic torque equation. Additionally, simulations are conducted to calculate friction torque and resultant output torque. The findings provide a qualitative assessment of the device’s torque characteristics, serving as a reference for future design optimization and setting the stage for subsequent experimental investigations. This study introduces a groundbreaking perspective to the domain of microsatellite attitude control.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The authors disclose receipt of the following financial support for the research, authorship, and/or publication of this article: This work is supported by the National Natural Science Foundation of China (Grant No. 51875338).
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Information & Authors
Information
Published In
Journal of Aerospace Engineering
Volume 37 • Issue 5 • September 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Jun 23, 2023
Accepted: Feb 13, 2024
Published online: May 17, 2024
Published in print: Sep 1, 2024
Discussion open until: Oct 17, 2024
ASCE Technical Topics:
- Business management
- Continuum mechanics
- Coupling
- Dynamics (solid mechanics)
- Energy efficiency
- Energy engineering
- Engineering mechanics
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Fluid velocity
- Friction
- Hydrodynamics
- Hydrologic engineering
- Innovation
- Practice and Profession
- Solid mechanics
- Structural engineering
- Structural members
- Structural systems
- Water and water resources
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