PSP Bibliography


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Sun direction determination for the solar probe plus spacecraft

AuthorVaughan, Robin; Wirzburger, John; McGee, Timothy; Shapiro, Hongxing; Shaughnessy, Daniel;
KeywordsAttitude control; Probes; Parker Engineering
AbstractThe Solar Probe Plus (SPP) mission plans to launch a spacecraft to explore the Sun in 2018. This paper presents the process applied in the attitude control flight software for the spacecraft to determine the best Sun direction from Sun sensor data or a vector derived from on-board ephemeris models and the estimated attitude. Self-consistency checks applied to determine validity of these different knowledge sources are explained, with emphasis on processing of solar limb sensor data. Consistency checks between the available data sources are described. The paper concludes with a presentation of the logical hierarchy that determines which source to select from among the available and valid sources and results of the consistency checks between them.
Year of Publication2017
JournalAdvances in the Astronautical Sciences
Number of Pages3773-3792
Date Published