Closed-loop magnetic roll/yaw control system for high inclinatio

Details Closed-loop magnetic roll/yaw control system for high inclinatio Closed-loop magnetic roll/yaw control system for high inclinatio

1981-10-16

1984-12-18

Smith, Jerry

Boots, shoes, and leggings

244166, G06F 1550, B64G 132

Patent

active

044893833

ABSTRACT:
A closed-loop magnetic roll/yaw control system for high inclination satellites where the predominant component of the geomagnetic field lies in the orbit plane of the satellite. The system includes a torquing means that forms a magnetic dipole moment parallel to the pitch axis. The torquing means is energized to minimize roll or yaw error only in two spaced portions 1 and 3 of its orbit. Each of the portions lie between the extension of the earth's magnetic equatorial plane and a second plane normal to the orbit and passing through the magnetic poles of the earth. Portions 1 and 3 are those parts of the orbit in which the satellite is traveling toward the second plane. The torquing means is de-energized after the satellite crosses the second plane and is in either of the remaining spaced portions 2 and 4 of its orbit.

REFERENCES:
patent: 4084773 (1978-04-01), Schmidt, Jr. et al.
patent: 4230294 (1980-10-01), Pistiner

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