Robust Attitude Control Using Mu-Synthesis for the Large Flexible Satellite ETS-VIII

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概要

• 論文の詳細を見る

• This paper reports results of a preliminary study of an on-orbit advanced robust attitude control experiment using a Japanese large flexible communication satellite: the Engineering Test Satellite VIII (ETS-VIII). The on-orbit attitude control experiment is designed to develop a baseline technology for a class of future large flexible spacecraft and earth observation satellites which require attitude maneuvers using advanced control technology. An important issue is the design of a reduced order multi-input multi-output (MIMO) robust controller for a linear parameter varying (LPV) spacecraft system. We therefore prepared three control laws after tradeoff studies. Among them, in this paper, a linear time invariant (LTI)-μ controller is presented; it is designed parametrically by decomposing the s/c model into control modes and residual modes. In μ-synthesis, the varying parameters are treated as structured uncertainty that is stabilized robustly with unstructured uncertainty by setting the μ-value to less than one. The final controller is LTl-designed through D-K iteration. The candidate experiment controllers were evaluated using preliminary MATLAB-based laboratory design and synthesis and full software simulation of onboard algorithms with emulation of the AOCS hardware. This report presents the outline of this experiment and some spacecraft model features, along with a case study of the proposed method for ETS-VIII and numerical simulation results.

• 特定非営利活動法人　日本ロケット協会の論文

著者

• KASAI Tokio

  Japan Aerospace Exploration Agency, Airframes and Structures Group

• Kida Takashi

  University Of Electro-communications

• NAGASHIO Tomoyuki

  University of Electro-Communications

• Yamaguchi Isao

  Japan Aerospace Exploration Agency (jaxa)

• Igawa Hirotaka

  Japan Aerospace Exploration Agency (jaxa)

• Ohtani Takashi

  Japan Aerospace Exploration Agency

• MITANI Shinji

  Japan Aerospace Exploration Agency

• HAMADA Yoshiro

  Japan Aerospace Exploration Agency

関連論文

• System Identification Using Impulse Response Including Initial States
• Feasibility Study for Precise Lunar Landing using SELENE-B Lander Configuration
• ETS-VI On-Orbit System Identification Experiments
• On-Orbit System Identification and Attitude Control Experiment of ETS-VI
• ON-ORBIT ATTITUDE CONTROL EXPERIMENTS FOR ETS-VI BY I-PD CONTROL
• 柔軟宇宙構造物ダイナミクスの定式化について
• Optimal Static Output Feedback Control for Large Space Structures and Its Application to Local Control
• ROBUST ATTITUDE CONTROL USING MU-SYNTHESIS FOR THE LARGE FLEXIBLE SATELLITE ETS-VIII
• Flight result of SDS-1 and development of SDS-4 in JAXA(Technical Session,ICSANE 2011(International Conference on Space, Aeronautical and Navigational Electronics 2011))
• Multi-input Multi-output System Identification Using Impulse Responses
• In-orbit Control Experiment on ETS-VIII Spacecraft
• Application of MPC to Spacecraft Attitude Maneuver using RCS and/or RW
• Robust Attitude Control Using Mu-Synthesis for the Large Flexible Satellite ETS-VIII

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