Simple Analysis of Prolate-Spin Attitude Stability

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概要

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• How can a prolate satellite spinning about its axis of minimum moment of inertia be attitude-stabilized using dual spin? To this question, we find a simple, clear answer. We replace the satellite with an equivalent frame model and describe its attitude motion as small deviations from its nominal attitude. We show that a friction-like torque applied to the spin axis reduces its nutation motion, and that a similar torque is generated by a nutation damper on a de-spun platform. Thus, we derive a simple attitude-stability theory using minimal mathematical analysis. This theory is applicable to the spin stabilization of geosynchronous communication satellite.

• 社団法人 日本航空宇宙学会の論文
• 2008-02-04

著者

• Kawase Sei-ichiro

  National Institute Of Information And Communications Technology (nict)

関連論文

• Simple Analysis of Prolate-Spin Attitude Stability

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