System and method for utilizing stored momentum to optimize spac

Details System and method for utilizing stored momentum to optimize spac System and method for utilizing stored momentum to optimize spac

1998-03-11

1999-12-21

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

Attitude control

B64G 128

Patent

active

060038187

ABSTRACT:
A system and method for slewing a spacecraft with a reaction wheel system including determining initial total momentum, determining maximum forward and reverse rates that can be realized within the reaction wheel system maximum storage capacity, determining a slew rate and slew direction from the maximum forward and reverse rates so as to minimize slew time for known slew angles or maximize slew rate for arbitrary slew angles, and slewing the spacecraft.

REFERENCES:
patent: 3998409 (1976-12-01), Pistiner
patent: 4275861 (1981-06-01), Hubert
patent: 4358076 (1982-11-01), Lange et al.
patent: 5035381 (1991-07-01), Matthews
patent: 5080307 (1992-01-01), Smay et al.
patent: 5255879 (1993-10-01), Yocum et al.
patent: 5257802 (1993-11-01), Hablani

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