AUTONOMOUS SOLAR TORQUE MANAGEMENT

AUTONOMOUS SOLAR TORQUE MANAGEMENT

A method in accordance with this invention for maintaining a spacecraft in a desired orbital configuration, comprises the steps of: (a) recording a history of yaw momentum stored in momentum wheels; (b) estimating an average inertial torque and momentum over a previous time interval (such as one day...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: PRICE, XEN, CHAN, KAM
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AIRCRAFT
AVIATION
CONTROLLING
COSMONAUTICS
PERFORMING OPERATIONS
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TRANSPORTING
VEHICLES OR EQUIPMENT THEREFOR
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Beschreibung
Zusammenfassung:A method in accordance with this invention for maintaining a spacecraft in a desired orbital configuration, comprises the steps of: (a) recording a history of yaw momentum stored in momentum wheels; (b) estimating an average inertial torque and momentum over a previous time interval (such as one day); (c) determining a desired change in inertial torques using PID control law; (d) commanding a change in satellite trim tab and solar array position from a desired change in solar torque; and (e) slewing the trim tab and solar array a desired amount.