電力リソース制約の厳しいCubeSatにおける機器配置と熱設計の同時最適化手法
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- 資料種別
- 記事
- 著者・編者
- 神代 優季船瀬 龍
- 並列タイトル等
- Simultaneous Optimization of Component Layout and Thermal Design for CubeSat under Limited Power Resources
- タイトル（掲載誌）
- 日本航空宇宙学会論文集 = Journal of the Japan Society for Aeronautical and Space Sciences
- 巻号年月日等（掲載誌）
- 68(3):2020.6
- 掲載巻
- 68
- 掲載号
- 3
- 掲載ページ
- 97-107
- 掲載年月日（W3CDTF）
- 2020-06
- ISSN（掲載誌）
- 1344-6460
- ISSN-L（掲載誌）
- 1344-6460
- 出版事項（掲載誌）
- 東京 : 日本航空宇宙学会
- 出版地（国名コード）
- JP
- 本文の言語コード
- jpn
- NDLC
- 対象利用者
- 一般
- 所蔵機関
- 国立国会図書館
- 請求記号
- Z74-B503
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- 書誌ID（NDLBibID）
- 030481655
- 整理区分コード
- 632
- 要約等
- <p>When designing spacecraft with limited power resources, it is possible to save electric power for the heater by taking thermal coupling between components into consideration and utilizing waste heat. In such cases, the optimization of both component layout and thermal design is effective. However, since the number of cases becomes huge and the calculation cost increases, conventional design methods cannot handle both component layout and thermal characteristics as optimization variables. We proposed a new method to simultaneously optimize both component layout and thermal design by limiting the application target to CubeSat, where the components are packaged at high density and can be regarded as polyominos, namely, figures formed by some squares arranged in a two-dimensional plane. By treating components layout as a polyomino packing problem and introducing a simple method of evaluating thermal characteristics, the number of cases and calculation cost were reduced and the candidates for the optimal solution were obtained. Furthermore, we introduced sensitivity analysis to verify the robustness of the candidate designs against the thermal conductivity error. By introducing the sensitivity analysis, a semi-optimal solution was obtained which is robust against the uncertainty of thermal conductivity. </p>
- DOI
- 10.2322/jjsass.68.97
- オンライン閲覧公開範囲
- インターネット公開
- 連携機関・データベース
- 科学技術振興機構 : J-STAGE
- 要約等
- <p>When designing spacecraft with limited power resources, it is possible to save electric power for the heater by taking thermal coupling between components into consideration and utilizing waste heat. In such cases, the optimization of both component layout and thermal design is effective. However, since the number of cases becomes huge and the calculation cost increases, conventional design methods cannot handle both component layout and thermal characteristics as optimization variables. We proposed a new method to simultaneously optimize both component layout and thermal design by limiting the application target to CubeSat, where the components are packaged at high density and can be regarded as polyominos, namely, figures formed by some squares arranged in a two-dimensional plane. By treating components layout as a polyomino packing problem and introducing a simple method of evaluating thermal characteristics, the number of cases and calculation cost were reduced and the candidates for the optimal solution were obtained. Furthermore, we introduced sensitivity analysis to verify the robustness of the candidate designs against the thermal conductivity error. By introducing the sensitivity analysis, a semi-optimal solution was obtained which is robust against the uncertainty of thermal conductivity. </p>
- DOI
- 10.2322/jjsass.68.97
- 関連情報（URI）
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- Japan Link Center雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース
- 書誌ID（NDLBibID）
- 030481655
- NII論文ID
- 130007851994