Rules on NEAr and messenger A Simple Reflex System Reflex Rules NEAR CourtesyofNasa/JhuaPl.http://www.jhuapl.com Applying Rules to the NeAr Spacecraft Sample NEAR rule ymptom (Charger current>0.8 A) Switch to the redundant charger and disengage the CourtesyofNasa/JhuaPl.http://www.jhuapl.con2 Reflex Rules NEAR Spacecraft Observations Action Rules on NEAR and Messenger: A Simple Reflex System Applying Rules to the NEAR Spacecraft • Sample NEAR rule • Symptom : – (Charger current > 0.8 A) for 10 sec • Recovery : – Switch to the redundant charger and disengage the primary. Courtesy of NASA/JHUAPL. http://www.jhuapl.com Courtesy of NASA/JHUAPL. http://www.jhuapl.com