Sun-Direction Estimation Under the Effect of Lunar Albedo
Keywords:Moon, Albedo, Attitude Determination, Sun-direction estimation, EKF, UKF, Spacecraft
Spacecraft or the instruments are directed to certain directions or points in order to successfully complete their mission. Solar sensors are commonly used as they are capable of being used in planetary or interplanetary space missions in the solar system. Mostly, these instrument sense not only the radiation from the sun but also the albedo of any nearby object. These measurements are known to cause erroneous outputs in the attitude and control system when used without considering the albedo model. In this study, the effect of the lunar albedo on the sun sensor and sun direction estimation is evaluated under different simulation conditions.
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