DocumentCode :
809421
Title :
On the existence of a trap state for OSO-type satellites
Author :
Sen, Asim K.
Author_Institution :
Communications Research Centre, Ottawa, Ontario, Canada
Volume :
17
Issue :
4
fYear :
1972
fDate :
8/1/1972 12:00:00 AM
Firstpage :
510
Lastpage :
515
Abstract :
The possibility of the existence of "trap states" in orbiting-solar-observatory-type satellites which use a single-degree-of-freedom mass-spring-dashpot nutation damper is investigated. It is shown that the spacecraft exhibits a trap state which corresponds to a transverse angular rate of ωn, where ωndenotes the natural frequency of the specific damping system used. In particular, it is indicated that for \\omega _{10} < \\omega _{n} , where ω10is the initial transverse angular rate of the spacecraft, a trap state occurs when the initial displacement z0of the damper mass with respect to the spacecraft principal axis exceeds a certain critical value; while for \\omega _{10} > \\omega _{n} , the trap state occurs for any nonzero value of z0.
Keywords :
Satellite control; Stability; Cities and towns; Councils; Damping; Frequency; NASA; Performance evaluation; Satellites; Shock absorbers; Space vehicles; State-space methods;
fLanguage :
English
Journal_Title :
Automatic Control, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9286
Type :
jour
DOI :
10.1109/TAC.1972.1100052
Filename :
1100052
Link To Document :
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