大型柔軟衛星の三軸制御に関する実験的検討

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  • An experimental study on flexible spacecraft three-axis attitude control.
  • オオガタ ジュウナン エイセイ ノ 3ジク セイギョ ニ カンスル ジッケンテ

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This paper studies three-axis attitude control problems of a class of flexible spacecraft having elastic appendages. A Linear Quadratic Regulator (LQR) associated with a state estimator is designed to control its attitude and the appendage vibration, simultaneously. In order to evaluate and demonstrate the controller performance, ground-based control experiments are conducted, using a ETS (Engineering Test Satellite)-VI laboratory model supported on a single-axis air-table. The evaluation is made concerning mainly with (a) LQR realization by using a thruster and a reaction wheel, and (b) stability robustness against the truncated vibration modes of flexible appendages.

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