Online from: 1929
Subject Area: Mechanical & Materials Engineering
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|Title:||Attitude control system for the nano-astrometry satellite “Nano-JASMINE”|
|Author(s):||Takaya Inamori, (Intelligent Space Systems Laboratory, Department of Aeronautics and Astronautics, The University of Tokyo, Tokyo, Japan), Nobutada Sako, (Department of Electrical and Electronic Engineering, Shinshu University, Tokyo, Japan), Shinichi Nakasuka, (Department of Electrical and Electronic Engineering, Shinshu University, Tokyo, Japan)|
|Citation:||Takaya Inamori, Nobutada Sako, Shinichi Nakasuka, (2011) "Attitude control system for the nano-astrometry satellite “Nano-JASMINE”", Aircraft Engineering and Aerospace Technology, Vol. 83 Iss: 4, pp.221 - 228|
|Keywords:||Aerospace, Astronomy, Attitude control, Attitude determination, Nano- and micro-satellite, Satellite|
|Article type:||Research paper|
|DOI:||10.1108/00022661111138639 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – This paper aims to present an attitude determination and control system for a nano-astrometry satellite which requires precise angular rate control. Focus of the research is methods to achieve the requirement.
Design/methodology/approach – In order to obtain astrometry data, the satellite attitude should be controlled to an accuracy of 0.05°. Furthermore, attitude spin rate must be controlled to an accuracy of 4×10-7?rad/s during observation. In this paper the following unique ideas to achieve these requirements are introduced: magnetic disturbance compensation and rate estimation using star blurred images.
Findings – This paper presents the feasibility of a high accurate attitude control system in nano- and micro-satellite missions.
Practical implications – This paper presents a possibility of the application of nano-satellites to remote-sensing and astronomy mission, which requires accurate attitude control.
Originality/value – Originalities of the paper are the methods to achieve the high accurate attitude control: magnetic disturbance compensation and angular rate estimation using star images.
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