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2 167 791

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C1

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IPC

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Application

2000104133/28, 2000-02-21

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Start date

2000-02-21

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Actual filing date

2000-02-21

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Published

2001-05-27

(72)

Inventor

Vavilov B.A.Kiselev V.I.Fetisov V.A.

(73)

Holder

Gosudarstvennyj Raketnyj Tsentr Im. Akad. V.P. Makeeva"

DEVICE FOR SINGLE-AXIS GRAVITATIONAL ATTITUDE CONTROL OF LOW- ALTITUDE SPACECRAFT Russian patent published in 2001 - IPC

Abstract RU 2167791 C1

FIELD: space engineering; development of spacecraft injected into elliptical orbits at altitude of 300 to 500 km. SUBSTANCE: device includes extensible gravitational rod with weight at the end. Dimensional, mass and centering characteristics ensure coincidence of center of mass of spacecraft (at working position of its gravitational attitude control system) with common geometric center of spacecraft and above-mentioned system. Mean diameter of gravitational rod is found from special relationship between above-mentioned characteristics. Limitation for mass of weight and length of rod is determined depending on altitude of orbit and preset accuracy of spacecraft attitude control. EFFECT: extended functional and operational capabilities due to avoidance of effect of systematic aerodynamic moment component on attitude control. 3 cl, 2 dwg

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RU 2 167 791 C1

Authors

Vavilov B.A.

Kiselev V.I.

Fetisov V.A.

Dates

2001-05-27—Published

2000-02-21—Filed

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