VIRTUAL REACTION WHEEL ARRAY USING CONTROL MOMENT GYROS

An attitude control system (ACS) for a spacecraft includes an attitude control assembly (ACA) interface, a control moment gyro (CMG) array and a reaction wheel assembly (RWA) control unit. The ACA interface converts torque commands received from the RWA control unit into CMG gimbal rates for the CMG...

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Bibliographische Detailangaben
Hauptverfasser:	BAILEY, DAVID, A, JOHNSON, NORMAN, E
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:	An attitude control system (ACS) for a spacecraft includes an attitude control assembly (ACA) interface, a control moment gyro (CMG) array and a reaction wheel assembly (RWA) control unit. The ACA interface converts torque commands received from the RWA control unit into CMG gimbal rates for the CMG array. The ACA interface receives CMG gimbal angles from the CMGs and converts the CMG gimbals angles into RWA speeds, which are then provided to the RWA control unit.