D3
デブリ除去衛星の小型化検討
Downsized Design of Active Space Debris Removal(ADR) Satellite
○廣田 賢治,渡辺 順一郎 (TECS) ,桑尾 文博,大塚 聡子 (NEC) , 河本 聡美,青山 順一,山元 透 (JAXA)
○ Kenji Hirota, Junichiro Watanabe(TECS), Fumihiro Kuwao,Akiko Otsuka(NEC), Satomi Kawamoto, Jun-ichi Aoyama, Toru Yamamoto (JAXA)
デブリ除去衛星の実現を目指して、デブリへの非協力接近,捕獲,デオービットのデブリ除去手法に注目し て検討を行なってきた。これは、主にミッション系に関わる部分の検討であり、引き続き検討が必要ではある が、ある程度実現性は見えてきた。使用する衛星は NEC の NEXTAR( 標準バス ) を前提として考えていた。
NEXTAR は標準バスであることから、新規開発に比べコストが低くなることを期待したためである。しかし、デ
ブリ除去衛星の更なる低コスト化を進めるために、衛星バス系の小型化検討を行った。衛星を小型化するこ とにより、相乗りや複数打ち上げ等にも対応しやすくなり、必要推薬等も少なくなるなど、トータルのコストが低 くなることが考えられるためである。
検討の結果、衛星バス系について小型/軽量化を行うことができた。今後はミッション系と合わせたさらなる 衛星全体の小型化を行い、経済性,運用性の向上を行っていく。
ADR method has been study aiming at realization in an ADR satellite.
(ADR method: Noncooperation approach, capture and deorbit)
This is study of a mission system, and consideration is necessary next, but the feasibility has been seen. A used satellite was considered premise the NEXTAR (standard bus) of NEC.
Because NEXTAR is a standard bus, it's low-cost compared with new development.
But downsized design of a satellite bus system was performed for an ADR satellite decrease in cost. The cost of the total becomes low by downsized design of satellite.
It was possible to do a small size / weight saving about the satellite bus system as a result of the study. I'll
miniaturize the whole satellite including a mission system and be improving the cost performance and
operability from now on.
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Fig.ᾀ ADR Sat. Configuration (Example)
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Fig. ᾂ ADR Sat. Mission Configuration of 400kg order
Fig. ᾁ ADR Sat. Lift-off Configuration of 400kg order
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Rocket upper
stage ← Removal target debris
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Fig. ᾄ ADR Operation
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ᘓầݱ҄ẲềờẆ
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Fig. ᾅ ADR Sat. attitude to the sun
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ᾉ Solar Array Panel Effective Face
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ᚇยἱἕἉἹὅửेܭẲẺݱᘓầٶẪẆ 100kg ኢᘓỆề ἻὅἙἨὊἛἕỿὅἂửܱẴỦẺỜỆ࣏ᙲễẆ 6 ᐯဌࡇСࣂ
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12 ஜ →8 ஜồЪถ
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Fig. ᾆ System block
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ኴ㝧ゅ 㻟㻜 㼐㼑㼓 ௬ᐃ
Ⓨ⏕㟁ຊ㻌㼍㼠㻌㻮㻻㻸 㻞㻞㻞 㼃㻛㼙㻞
ኴ㝧㟁ụຎ⋡ 㻜㻚㻜㻟 㻛㼥㼞 ௬ᐃ
⾨ᫍᑑ 㻞 㼥㼞
ኴ㝧㟁ụຎ 㻜㻚㻥㻠
Ⓨ⏕㟁ຊ㻌㼍㼠㻌㻱㻻㻸 㻞㻜㻥 㼃㻛㼙㻞
ᚲせ㠃✚㻌㼍㼠㻌㻱㻻㻸 㻞㻚㻞㻝 㼙㻞
䝟䝗䝹㠃✚䠄㻝ᯛ䛒䛯䜚䠅 㻜㻚㻢㻠 㼙㻞 ⾨ᫍᵓయᑍἲ㻜㻚㻤㼙䠖௬ᐃ
䝟䝗䝹ᯛᩘ 㻟㻚㻠㻡
ഛ⪃
㻺㼍㼙㼑 㻺㻱㻯〇㻵㻹㻸㻝㻟㻠㻛㻝㻞㻟㻛㻞㻣㻠㻮
㻮㼡㼟㻌㼂㼛㼘㼠㼍㼓㼑 㻞㻤 㼂
䝞䝑䝔䝸῝ᗘ 㻜㻚㻞㻡 ௬ᐃ
䝉䝹㉁㔞 㻜㻚㻣㻢㻞 㼗㼓
䝉䝹ᐜ㔞 㻟㻝㻚㻞 㻭㼔
䝉䝹ᨺ㟁㟁ᅽ 㻟㻚㻤㻞 㼂
ఏ㐩ຠ⋡ 㻜㻚㻣㻡 ௬ᐃ
┤ิ䝉䝹ᩘ 㻤 ಶ
୪ิ䝉䝹ᩘ 㻝 ಶ
䝞䝑䝔䝸㉁㔞 㻢㻚㻜㻥㻢 㼗㼓
ᚲせ㟁ຊ
ኴ㝧㟁ụ
䝞䝑䝔䝸
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 400.0 450.0
-0.300 -0.250 -0.200 -0.150 -0.100 -0.050 0.000
00:00:00 00:28:48 00:57:36 01:26:24 01:55:12 02:24:00 02:52:48 03:21:36 03:50:24 04:19:12
㟁ຊ[W]
DOD [%]
㛫[hh:m:ss]
DOD [%] Ⓨ㟁㔞[W] ᾘ㈝㟁ຊ[W]
ᩓщෞᝲầஇờٶẟἧỹὊἌỆề౨᚛ẇ ἣἛἽݡඥử (800 ᶣ 800mm) ểˎ ܭẲẆ༾ͨ 2 ỉ 2 ᎈầ࣏ᙲẇ
Fig. ᾇ Power consumption profile (Non-cooperative approach)
ᩓщෞᝲầஇờٶẟἧỹὊἌỆề౨᚛ẇ
DOD Ị 25% ỆӓộụẆᩓщӓૅỊụ
ᇌếẮểầᄩᛐỂẨẺẇ
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ᇶᮏ䝟䝷䝯䞊䝍 ഛ⪃
䝭䝑䝅䝵䞁㌶㐨 㻢㻡㻜 㼗㼙 㻥㻤 㼐㼑㼓 㻥㻣㻚㻣 㼙㼕㼚
Δ㼂䝞䝆䜵䝑䝖 ഛ⪃
ᴫ␎᥋㏆ 㻝㻡㻜 㼙㻛㼟
᭱⤊᥋㏆ 㻝㻜 㼙㻛㼟
㞳⬺ 㻞 㼙㻛㼟
䝬䞊䝆䞁 㻟 㼙㻛㼟
ྜィΔ㼂 㻝㻢㻡 㼙㻛㼟
᥎㐍䝞䝆䜵䝑䝖 ഛ⪃
ẚ᥎ຊ 㻞㻜㻜 㼟 䝠䝗䝷䝆䞁
䝗䝷䜲㉁㔞 㻞㻜㻢 㼗㼓
᥎㐍 㻝㻤㻚㻝 㼗㼓
᥎⸆ᐦᗘ 㻝㻜㻜㻜 㼗㼓㻛㼙㻟 䝠䝗䝷䝆䞁㻝㻜㻜㻜㼗㼓㻛㼙㻟䚸㻳㻼㻝㻠㻜㻜㼗㼓㻛㼙㻟 ᥎㐍య✚ 㻜㻚㻜㻝㻤㻝 㼙㻟
㻝㻤㻚㻝 㻸
Table ᾃ Necessary propellant capacity
࣏ᙲ ਖ਼ᡶдܾỆếẟề౨᚛ẇ ਖ਼ᡶдܾ 18L ẦỤẆ Φ390mm ỉἑὅ ἁửᢠܭẇ
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ṞἿἃἕἚ I/F СኖẦỤỉᘓ࢟ཞ౨᚛
ỶἩἉἿὅἿἃἕἚồỉ᠍
ἧỹỴἼὅἂỺὅἫἿὊἨϋỆӓộỦἇỶἌ ᘓ࢟ཞ
౨᚛Ⴘ
ṟٽᨗᩓ൷ἣἛἽ᩿ᆢẦỤỉᘓ࢟ཞ౨᚛
ἣἛἽݡඥử 800 ᶣ 800mm ểẲẆ༾ͨ 2 2 ᎈử᠍ỂẨỦᘓ࢟ཞ
ṠἱἕἉἹὅᙲ൭ẦỤỉᘓ࢟ཞ౨᚛
ỽἳἻ᧓ុᩉ 800mm
৲ή֥᧓ុᩉ 1200mm
ṡᩓမ્Јᩓ܇เ (FEC) ᩿ᆢᙲ൭ 500mm
ᾁỉ FEC ửᘓᡶᘍ૾ӼỆ
ᘍễ᩿ồᣐፗẴỦẇ
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ṢˊᘙႎễನԼỉೞ֥ᣐፗẦỤỉᘓ࢟ཞ౨᚛
ᘓ࢟ཞ ౨᚛Ⴘ
Fig. ᾈ Small ADR Sat.
Sizing study (Example)
SA DM
ࣃࢻࣝ500 x 1030
ࢱࣥࢡ ᑟ 㟁 ᛶ ࢸ ࢨ࣮ᶵᵓ
ȭ390
༢㸸mm 500 350
ఙ ᒎ
ࣂ
ࢿ
380 280
1270
600 600
1030 SA
DM
ఙ ᒎ
ࣂࢿ
280 630
800
ࣃࢻࣝ800 x 800
130
SA DM SA
DM
[㻌
]㻌
\㻌
130 ࢱࣥࢡ
ȭ390
600 600
ᑟ 㟁 ᛶ ࢸ ࢨ
࣮ᶵᵓ
500 350
890
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ᘓ࢟ཞ ౨᚛ኽௐ
ỶἩἉἿὅἿἃἕἚỉἧỹỴἼὅἂỺὅἫἿὊἨỆ ᾁؕ᠍ӧᏡễᙸᡫẲầᇌẾẺẮểầЎẦẾẺẇ
Fig. ᾀSmall ADR Sat. Mission Configuration Fig. ᾀᾀSmall ADR Sat. Lift-off Configuration
ᑟ㟁ᛶࢸࢨ࣮ᐇドᶵჾ ఙᒎࣂࢿᢕᣢࢩࢫࢸ࣒
㐲㊥㞳ྍどග࣓࢝ࣛ
㟁Ꮚ※
ኴ㝧㟁ụࣃࢻࣝ
S-Bandࣥࢸࢼ
⊃ゅᢞගჾ
GPS GPS
ࣃࢻࣝ㥑ືᶵᵓ
ࣃࢻࣝಖᣢࣈࣛࢣࢵࢺ
STT STT ᗈゅᢞගჾ
ᗈゅᢞගჾ
㏆㊥㞳ྍどග࣓࢝ࣛ
㏆㊥㞳ྍどග࣓࢝ࣛ
1Nࢫࣛࢫࢱ 8
(⾨ᫍࡢゅ㓄⨨ࡋ࡚࠸ࡿࡀࠊእ㒊㟢ฟ㒊ศ ࡀᑠࡉࡃࠊᅗୖ࡛㆑ู࡛ࡁ࡞࠸ࠋ
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Fig. ᾀᾁSmall ADR Sat. Mission Configuration
(OrbitPaddle development) Fig. ᾀᾂSmall ADR Sat. Lift-off Configuration (Epsilon rocket fairing envelope)
ग़থঋটشঈधभ௱ऋँॊऋؚ০भਫ਼
ୈदؚ࿌ൗ૭ચऩ॥থইॕॠগঞش३ঙথ
॑੭ञः؛
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ڱ؝7HFKQLFDOVXEMHFW
▌ ᨊӊݣϼểẴỦἙἨἼᵆἿἃἕἚɥെᵇởἱἕἉἹὅᙲ൭ἱἕἉἹὅೞ֥ᢃဇἉὊἃὅἋử
٭ẶẵỆẆᘓἢἋኒỉỚỉᙸႺẲửᘍẟẆᾃᶉᶅኢᵬᵣᵶᵲᵟᵰἫὊἋỉᘓẦỤᾁᾂ
ᶉᶅᆉࡇộỂẆᘓỉݱ᠉҄ỉᙸᡫẲửᇌềỦẮểầỂẨẺẇ
▌ Ắỉݱ᠉҄ỆỊወӳᵱᵫᵱởወӳᵮᵡᵳểẟẾẺೞ֥ỉႆờᙸᡂộủẺૠ͌ỂẝụẆ ʻࢸểờႆᡶửӕụᡂỮẻݱ҄ỉ౨᚛ầ࣏ᙲỂẝỦẇ
▌ ἋἻἋἑЪถỆấẬỦۋѬСࣂồỉࢨ᪪ỆếẨẆʻࢸἉἱἷἾὊἉἹὅሁửဇẟẺࢨ᪪ỉ
ᄩᛐầ࣏ᙲỂẝỦẇ
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