NASA NTRS · 20080004328
Spacecraft momentum unloading using controlled magnetic torques
Abstract
A method for maintaining the attitude of a three-axis controlled satellite by use of magnetic torquers includes using magnetometers for measuring the direction of the ambient geomagnetic field. The direction of the net reaction wheel momentum is also determined. The angle between the direction of the geomagnetic field and the net reaction wheel momentum is determined. The angle is compared with a threshold value. Magnetic torquer power consumption is reduced by operating the magnetic torquers only when the angle exceeds the threshold value.
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Linder, David M., Goodzeit, Neil E., Schwarzschild, Marc. 1992-06-23. Spacecraft momentum unloading using controlled magnetic torques. https://ntrs.nasa.gov/citations/20080004328
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