Development and critical design of magnetic torque rod for low earth orbit satellites
Abstract
A magnetic torque rod represents an effective means of generating torque for satellite orientation by interacting with Earth's magnetic field. In the dynamic realm of Low Earth Orbit (LEO) satellite systems, precise position control plays a crucial role in the successful execution of a satellite's mission. The insights gained from this study contribute to enhancing the precision, reliability, and diversity of LEO satellite missions, thereby opening doors for new scientific discoveries and technological advancements in Earth observation and beyond. This study delves into critical considerations such as material selection, structural integrity, power consumption and heat management, providing a detailed examination of the fundamental principles behind magnetic torque rod production. To ensure the effectiveness of the torque rod, the design is tailored to the specific dimensions, weight, and power constraints of satellite systems. The designed torque rod possesses a magnetic dipole moment of larger than ± 60 A.m² and consumes just ~2.6 Watts of power. Furthermore, it demonstrates the ability to adapt to satellite technology advancements with an operational temperature range of -50°C to +85°C.
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URN: https://sloi.org/urn:sl:tjoee91301
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