WEKO3
アイテム
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Because of its weight reduction, the asteroid sample return mission spacecraft, HAYABUSA (MUSES-C before launch), which was launched in May 2003 and will bring back samples of the asteroid subsequently named ITOKAWA, 1998SF36, to the earth in June 2007, carried a Li ion battery with a specific energy of more than 85 Wh/kg. The battery consists of 11 prismatic cells with a rated capacity of 13.2 Ah, which are connected in series to supply power required to loads at a bus voltage of about 50 V during a discharge period. During a long mission period of about four and a half years, the battery is to be discharged only four times to launch the spacecraft, conduct its swing-by by means of the earth, make terminator observations to take images of the asteroid, and touch down on it to collect its samples. However, during the rest of the mission period except these events, a predetermined state of charge (SOC) must always be maintained because HAYABUSA is required to safely achieve the attitude control toward a safe hold mode for the sun acquisition in the event of sudden attitude anomalies. In addition, to remove an unbalanced SOC of each cell due to its capacity difference, a reset operation by which all the cells are charged up to a limit charge voltage of 4.1 V is to be conducted every four months. Therefore, a simulation model was developed on the ground using spare FM cells to predict SOC as precisely as possible before the reset operation. Already conducted was the reset operation two times successfully in orbit after the launch, evaluating a capacity test as well as the reset operation of the spare cells conducted on the ground at the same time. As a result, it has been confirmed that the capacity degradation of the onboard battery is as predicted according to the simulation model. 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"attribute_value": "2015-03-26"}, "publish_date": "2015-03-26", "publish_status": "0", "recid": "8117", "relation": {}, "relation_version_is_last": true, "title": ["はやぶさ搭載バッテリーセルの運用経過"], "weko_shared_id": -1}
はやぶさ搭載バッテリーセルの運用経過
https://jaxa.repo.nii.ac.jp/records/8117
https://jaxa.repo.nii.ac.jp/records/81177c9f0048-0a08-4bb6-a04d-b6bdb9fb9e56
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | はやぶさ搭載バッテリーセルの運用経過 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | リチウムイオン電池 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 長期宇宙飛行 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 放電 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | はやぶさ宇宙機 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 宇宙探査 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 寿命 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | リセットオペレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星間飛行 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lithium ion battery | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | long duration space flight | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | electric discharge | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hayabusa spacecraft | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | space exploration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | life | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | reset operation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | interplanetary flight | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル(英) | ||||||
その他のタイトル | In-orbit operations of battery aboard HAYABUSA spacecraft | |||||
著者 |
大登, 裕樹
× 大登, 裕樹× 山本, 真裕× 江黒, 高志× 高橋, 慶治× 廣瀬, 和之× 曽根, 理嗣× 田島, 道夫× Oto, Hiroki× Yamamoto, Masahiro× Eguro, Takashi× Takahashi, Keiji× Hirose, Kazuyuki× Sone, Yoshitsugu× Tajima, Michio |
|||||
著者所属 | ||||||
古河電池 | ||||||
著者所属 | ||||||
古河電池 | ||||||
著者所属 | ||||||
古河電池 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 宇宙科学研究本部 | ||||||
著者所属(英) | ||||||
en | ||||||
Furukawa Battery Co. Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
Furukawa Battery Co. Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
Furukawa Battery Co. Ltd. | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical Science | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical Science | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical Science | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space and Astronautical Science | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第23回宇宙エネルギーシンポジウム 平成15年度 en : The 23rd ISAS Space Energy Symposium March 9, 2004 p. 1-5, 発行日 2004-06 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Li ion batteries for space applications possess high discharge voltage, high specific energy, and lightweight properties, their research and development being conducted rapidly in recent years not only in the U.S. and France but also in Japan. Because of its weight reduction, the asteroid sample return mission spacecraft, HAYABUSA (MUSES-C before launch), which was launched in May 2003 and will bring back samples of the asteroid subsequently named ITOKAWA, 1998SF36, to the earth in June 2007, carried a Li ion battery with a specific energy of more than 85 Wh/kg. The battery consists of 11 prismatic cells with a rated capacity of 13.2 Ah, which are connected in series to supply power required to loads at a bus voltage of about 50 V during a discharge period. During a long mission period of about four and a half years, the battery is to be discharged only four times to launch the spacecraft, conduct its swing-by by means of the earth, make terminator observations to take images of the asteroid, and touch down on it to collect its samples. However, during the rest of the mission period except these events, a predetermined state of charge (SOC) must always be maintained because HAYABUSA is required to safely achieve the attitude control toward a safe hold mode for the sun acquisition in the event of sudden attitude anomalies. In addition, to remove an unbalanced SOC of each cell due to its capacity difference, a reset operation by which all the cells are charged up to a limit charge voltage of 4.1 V is to be conducted every four months. Therefore, a simulation model was developed on the ground using spare FM cells to predict SOC as precisely as possible before the reset operation. Already conducted was the reset operation two times successfully in orbit after the launch, evaluating a capacity test as well as the reset operation of the spare cells conducted on the ground at the same time. As a result, it has been confirmed that the capacity degradation of the onboard battery is as predicted according to the simulation model. It is planned to conduct the swing-by operation of the spacecraft by means of the earth in May 2004 and the first capacity test of the onboard battery in July 2004 and it is thought that the subsequent events can be overcome including achievement of a final safe hold mode to return to the earth. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0047275001 |