Japanese/english


Ž©ŒÈ“WŠJ\‘¢‚É‚æ‚é‘åŒ^‰F’ˆ\‘¢•¨‚̍\’zi2016”N12ŒŽ27“új

‰F’ˆ‘¾—z”­“dƒVƒXƒeƒ€ispace solar power system (SSPS)j‚̂悤‚È‹‘å‚ȉF’ˆ\‘¢•¨‚ÍŠù‚É30”NˆÈã‘O‚©‚ç‚¢‚ë‚¢‚ë’ñˆÄ‚³‚ê‚Ä‚¨‚èCŒ»Ý‚àŒ¤‹†‚ªi‚ß‚ç‚ê‚Ä‚¢‚Ü‚·D


http://cdn.phys.org/newman/gfx/news/hires/ 2012/1-satellitepro.jpg

—Ⴆ‚΁CMankins‚́CNASA‚ÌNIACƒvƒƒOƒ‰ƒ€‚Ìphase 1‚̃Œƒ|[ƒg[1]‚Ì’†‚ŁC"SPS-ALPHA"‚Æ‚¢‚¤SSPS‚̐݌vˆÄ‚ðŽ¦‚µ‚Ä‚¢‚Ü‚·D‰E‚̐}‚ÍSPS-ALPHA‚ÌŠT”O}‚Å‚·D‚±‚̍\‘¢•¨‚̃TƒCƒY‚̓Œƒ|[ƒg‚É‚ÍŒµ–§‚É‚ÍŽ¦‚³‚ê‚Ä‚¢‚Ü‚¹‚ñ‚ªC”km‚̃I[ƒ_[‚Ì‚à‚Ì‚ÆŽv‚í‚ê‚Ü‚·D”ނ́C‚±‚̂悤‚È‹‘å‚ȍ\‘¢•¨‚ðC‰F’ˆƒƒ{ƒbƒg‚ð—p‚¢‚č\’z‚·‚é•û–@‚âCŽp¨§Œä‚àŠÜ‚Þ‘S‘̃VƒXƒeƒ€‚̉^—p•û–@‚ð’ñˆÄ‚µ‚Ä‚¢‚Ä‚¢‚Ü‚·D‚»‚ê‚ç‚àŠÜ‚߁C‚±‚̃Œƒ|[ƒg‚ɂ́CSPS-ALPHA‚ðŽÀŒ»‚·‚邽‚ß‚Ì—lX‚È’ñˆÄ‚ª‚È‚³‚ê‚Ä‚¢‚Ü‚·D“ú–{‚ł́CJAXA‚âJ-Space Systems‚ª‚»‚ꂼ‚êˆÙ‚È‚éSSPS‚ð’ñˆÄ‚µ‚Ä‚¢‚Ü‚·‚µC’†‘‚à’ñˆÄ‚µ‚Ä‚¢‚Ü‚·D

‚µ‚©‚µCŽc”O‚È‚±‚ƂɁCSSPS‚ɂ‚¢‚ẮC¬Œ^‚̃XƒP[ƒ‹ƒ‚ƒfƒ‹‚Å‚·‚çC‚Ü‚¾C‘Å‚¿ã‚Á‚Ä‚Í‚¢‚Ü‚¹‚ñDŒ»Žž“_‚ł́C‰F’ˆ‹@‚Ì‘Å‚¿ã‚°‚àŠÜ‚ÞSSPSŠÖ˜A‚̉F’ˆƒvƒƒWƒFƒNƒg‚Í‚È‚¢‚悤‚Å‚·D‚µ‚½‚ª‚Á‚āC‚±‚̂悤‚ȍ\‘¢•¨‚ÌŒ¤‹†‚́CŒ»Ý‚Ü‚Å‚Ì‚Æ‚±‚ëC”’l‰ðÍ‚Æ’nãŽÀŒ±‚É‚Æ‚Ç‚Ü‚Á‚Ä‚¢‚Ü‚·D


https://qph.ec.quoracdn.net/main-qimg-19a40b 4a2e70e7804e4e81b9331dc520-c

Å‹ßCƒXƒ^[ƒVƒF[ƒhiƒIƒJƒ‹ƒ^\j‚Æ‚¢‚¤ƒRƒ“ƒZƒvƒg‚ªCP¯•t‹ß‚̘f¯‚ÌŠÏ‘ª•û–@‚Æ‚µ‚Ä’ñˆÄ‚³‚ê‚Ä‚¢‚Ü‚·[2]D‚±‚̃Rƒ“ƒZƒvƒg‚ł́C”–‚¢–Œ‚̂悤‚ȁC‘å‚«‚È•½–ʍ\‘¢•¨iƒXƒ^[ƒVƒF[ƒhj‚ðP¯‚ƉF’ˆ–]‰“‹¾‚Æ‚ÌŠÔ‚É’u‚«CP¯‚©‚ç‚ÌŒõ‚ª–]‰“‹¾‚É“üŽË‚µ‚È‚¢‚悤‚É‚µ‚āC‚ƒRƒ“ƒgƒ‰ƒXƒg‚̉摜‚ð–]‰“‹¾‚Å“¾‚ç‚ê‚é‚悤‚É‚µ‚Ä‚¢‚Ü‚·D‚»‚±‚ł́CƒXƒ^[ƒVƒF[ƒh‚Ì“KØ‚ÈŒ`ó‚ªŒ¤‹†‚³‚ê‚Ä‚¢‚āC‰Ô‚Ñ‚ç‚̂悤‚ÈŒ`ó‚ª•¶Œ£‚Å‚Í’ñˆÄ‚³‚ê‚Ä‚¢‚Ü‚·[3]D‚»‚Ì’ñˆÄ‚ł́C\‘¢•¨‚Í”–‚­‚Ä‘åŒ^‚Ì–Œ‚ÌŠO˜g‚ɍ„‚ȃtƒŒ[ƒ€‚ªŽæ‚è•t‚¯‚ç‚ê‚Ä‚¢‚āCƒXƒ^[ƒVƒF[ƒh‚Ì’¼Œa‚Í50m’ö“x‚Å‚·DÜ‚èô‚݁E“WŠJ•û–@‚à’ñˆÄ‚³‚ê‚Ä‚¢‚Ü‚·D‚µ‚©‚µC‰äX‚́C’ñˆÄ‚³‚ꂽ•û–@‚Í‚â‚â•¡ŽG‚ŁCÜ‚肽‚½‚܂ꂽ\‘¢•¨‚ð‚‚¢M—Š“x‚Å“WŠJ‚·‚邱‚Æ‚ð•ÛØ‚·‚é‚Ì‚Í—eˆÕ‚Å‚Í‚È‚¢‚ƍl‚¦‚Ä‚¢‚Ü‚·D

‚Ü‚½C‚±‚ê‚ç‚̍\‘¢•¨‚Í‹É‚ß‚ÄŒy—Ê‚Å‚È‚­‚Ä‚Í‚È‚è‚Ü‚¹‚ñ‚ªC‚»‚¤‚¢‚Á‚½—v‹‚Í–Œ‚âƒP[ƒuƒ‹C×‚¢_“î—À‚Æ‚¢‚Á‚½ƒSƒbƒTƒ}[\‘¢‚É‚æ‚è–ž‚½‚·‚±‚Æ‚ª‚Å‚«‚Ü‚·D‚±‚¤‚¢‚Á‚½”wŒi‚ðl—¶‚µC‰äX‚Í‚±‚¤‚¢‚Á‚½\‘¢•¨‚ð‰F’ˆ‚ÅŽÀŒ»‚·‚é•û–@‚ðŒ¤‹†‚µ‚Ä‚¢‚Ü‚·D‚½‚¾‚µC’P‚È‚éƒy[ƒp[ƒ[ƒNi˜_•¶”­•\j‚¾‚¯‚Å‚Í‚È‚­C‚æ‚èí—ª“I‚ÈŒ¤‹†EŠJ”­‚ð–ÚŽw‚µ‚Ä‚¢‚Ü‚·D

‚³‚āC‚±‚¤‚¢‚Á‚½\‘¢•¨‚ðŽÀŒ»‚·‚邽‚߂̃L[ƒeƒNƒmƒƒW[‚Æ‚µ‚Ă͈ȉº‚̂悤‚È‚à‚Ì‚ª‹“‚°‚ç‚ê‚Ü‚·F

  1. ‘åŒûŒa‚Ì•½–Ê‚ ‚é‚¢‚Í‹È–Ê‚ð—L‚·‚é’´Œy—ʍ\‘¢•¨‚̐܂èô‚݁Cƒ‰ƒbƒ`Cƒ‰ƒbƒ`‰ðœC“WŠJ
  2. ƒ~ƒbƒVƒ‡ƒ“‚ð’B¬‚·‚邽‚ß‚É•K—v‚ȍ„«‚ð’S•Û‚·‚邱‚Æ
  3. ƒ~ƒbƒVƒ‡ƒ“‚ð’B¬‚·‚邽‚ß‚É•K—v‚ÈŒ`ó¸“x‚ð’S•Û‚·‚邱‚Æ
  4. ‹‘å‚ȍ\‘¢•¨‚ð\¬‚·‚邽‚߂́C\‘¢—v‘fiƒ‚ƒWƒ…[ƒ‹j‚Ì‘g‚Ý—§‚Ä
ƒ|ƒCƒ“ƒg1‚ɂ‚¢‚ẮC‰äX‚͐M—Š«‚̍‚‚¢“WŠJ•û–@‚ð—p‚¢‚邱‚Æ‚ðl‚¦‚Ä‚¢‚Ü‚·Dˆê”ʂɁCÜ‚肽‚½‚܂ꂽ\‘¢•¨‚Ì“WŠJ‚̍ۂɂ́C\‘¢•”Þ‚Ɉ³k‰ž—Í‚ð‹­‚¢‚邱‚Æ‚É‚È‚èC‚±‚ꂪCŽž‚Æ‚µ‚āC\‘¢•sˆÀ’è‚â“WŠJ‚̂ЂÁ‚©‚©‚è‚ðˆø‚«‹N‚±‚µ‚Ü‚·Dd—v‚È‚±‚Ƃ́CŠO—Í‚ÌŒø‰Ê‚âC“WŠJ‚ð–W‚°‚é\‘¢•”Þ“¯Žm‚Ì‘ŠŒÝì—p‚ð•]‰¿‚µC‚»‚¤‚¢‚Á‚½ï—‚ª\•ª‚ɏ¬‚³‚¢\‘¢•¨‚ðÝŒv‚·‚邱‚Æ‚Å‚·D

ƒ|ƒCƒ“ƒg2‚ɂ‚¢‚ẮCSSPS‚âƒXƒ^[ƒVƒF[ƒh‚́C‚Žü”g”‚̃Aƒ“ƒeƒi‚â–]‰“‹¾‚É”ä‚ׂé‚ƁC‚»‚ê‚قǍ‚‚¢„«‚Í•K—v‚Æ‚µ‚Ü‚¹‚ñ‚ªC‚»‚ê‚Å‚àC‚ ‚é’ö“x‚̍„«‚Í•K—v‚Æ‚µ‚Ü‚·D‚»‚ê‚́CIKAROS‚̂悤‚ȃXƒsƒjƒ“ƒOEƒ\[ƒ‰[ƒZƒCƒ‹‚æ‚è‚à‘å‚«‚¢‚à‚Ì‚Å‚µ‚傤D‰äX‚́C‰F’ˆ‹@‘S‘̂̐݌v‚ðŠÜ‚ށCƒ~ƒbƒVƒ‡ƒ“‚ð’B¬‚·‚邽‚ß‚É•K—v‚ȍ„«‚âd—ʂ𖾊m‚É‚·‚é‚©C‚ ‚é‚¢‚́C’ñˆÄ‚·‚é\‘¢‚Ì“TŒ^“I‚Ȑ݌v’l‚ð—^‚¦‚È‚¯‚ê‚΂Ȃè‚Ü‚¹‚ñD

ƒ|ƒCƒ“ƒg3‚ɂ‚¢‚ẮCSSPS‚Ì‘¾—zŒõ”½ŽË”‚âƒXƒ^[ƒVƒF[ƒh‚́C‚Žü”g”‚̃Aƒ“ƒeƒi‚â–]‰“‹¾‚É”ä‚ׂé‚ƁC‚»‚ê‚قǍ‚‚¢Œ`ó¸“x‚ð•K—v‚Æ‚µ‚Ü‚¹‚ñ‚ªC‚ ‚é’ö“x‚Ì“KØ‚ÈŒ`ó¸“x‚Í•K—v‚Æ‚µ‚Ü‚·D‚»‚ê‚́Cƒ\[ƒ‰[ƒZƒCƒ‹‚Ì—v‹¸“x‚æ‚è‚à‚‚¢‚Å‚µ‚傤D

ƒ|ƒCƒ“ƒg4‚ɂ‚¢‚ẮCƒƒPƒbƒg‚©‚ç‚̍\‘¢ƒ‚ƒWƒ…[ƒ‹‚Ì•úoC‚»‚ꂼ‚ê‚̃‚ƒWƒ…[ƒ‹‚Ì‹O“¹ã“WŠJCƒ‰ƒ“ƒfƒu[Cƒ‚ƒWƒ…[ƒ‹‚ÌŒ‹‡‚Æ‚¢‚Á‚½‚à‚̂̃VƒiƒŠƒI‚ðl‚¦‚È‚¯‚ê‚΂Ȃè‚Ü‚¹‚ñDŒ‹‡ƒtƒF[ƒY‚ł́C‰äX‚́CŽ©“®Œ‹‡ƒVƒXƒeƒ€‚©C•ªŽUiŒQjƒƒ{ƒbƒgƒVƒXƒeƒ€‚ð•K—v‚Æ‚·‚邱‚Æ‚É‚È‚é‚©‚à‚µ‚ê‚Ü‚¹‚ñD

‰äX‚ÌŒ¤‹†Žº‚ł́C2‚‚̃Rƒ“ƒxƒbƒNƒXƒe[ƒv‚ðƒGƒbƒW‚ÅŒü‚©‚¢‡‚킹‚ɐڐG‚³‚¹‚½CƒoƒCƒRƒ“ƒxƒbƒNƒXƒu[ƒ€‚ð—p‚¢‚½Ž©ŒÈ“WŠJƒgƒ‰ƒX‚ÌŒ¤‹†‚ðs‚Á‚Ä‚¢‚Ü‚·D‰äX‚́CŽ©ŒÈ“WŠJƒgƒ‰ƒX‚Í‘åŒ^‰F’ˆ\‘¢•¨‚̍\‘¢—v‘f‚É“K‚µ‚Ä‚¢‚é‚ƍl‚¦‚Ä‚¨‚èC\‘¢•¨‚ɂ‚¢‚Ä‘‡“I‚ÉŒ¤‹†‚ði‚ß‚Ä‚¢‚Ü‚·D‚·‚È‚í‚¿C‰äX‚ÌŒ¤‹†‚́C‰E}‚Ì’Ê‚èC—˜_C”’l‰ðÍCŽÀŒ±C¬Œ^‚̃fƒoƒCƒX‚⏬Œ^‚̍\‘¢ƒXƒP[ƒ‹ƒ‚ƒfƒ‹‚̉F’ˆŽÀØC‚»‚µ‚āC‰ž—pƒ‚ƒfƒ‹‚Ì‚·‚ׂĂðŠÜ‚ñ‚Å‚¢‚Ü‚·D

—Ⴆ‚΁C‰äX‚́CƒoƒCƒRƒ“ƒxƒbƒNƒXƒu[ƒ€‚ð—p‚¢‚½Ž©ŒÈ“WŠJƒgƒ‰ƒX‚ÌŽÀŒ»‰Â”\«‚𒲂ׂ邽‚߂ɁCˆÈ‰º‚̂悤‚ÈŒ¤‹†EŠJ”­EŒŸØiRD&Vj‚ðs‚Á‚Ä‚¢‚Ü‚·F

  1. ƒoƒCƒRƒ“ƒxƒbƒNƒXƒu[ƒ€‚É‚¨‚¯‚é2‚‚̃Rƒ“ƒxƒbƒNƒXƒe[ƒv‚̐ڐG–â‘è‚ðl—¶‚µ‚½Cƒu[ƒ€‚Ì‹È‚°“Á«E‚Ë‚¶‚è“Á«‚Ì•]‰¿ [5, 9]
  2. ƒnƒu‚ÉŠª‚«•t‚¯‚ç‚ꂽƒu[ƒ€‚ÌŽ©ŒÈL“W—Í‚¨‚æ‚Ñ“WŠJ’†‚É‚¨‚¯‚éƒnƒu‚©‚ç‚Ì”ñ”—£ðŒ‚Ì—˜_—\‘ª [10]
  3. “®“Á«‚Ì•]‰¿ [6]
  4. Ž©ŒÈ“WŠJƒgƒ‰ƒX‚̐݌vC‚·‚È‚í‚¿Cƒu[ƒ€‚ÌŒú‚³‚ðl—¶‚µ‚½Cƒm[ƒh‚âƒu[ƒ€‚̐݌v
  5. –Œ‚ÌŒú‚Ý‚ðl—¶‚µ‚½Ü‚èô‚Ý—˜_‚̍\’z [11]
  6. ƒgƒ‰ƒX‚Ì“WŠJ‚¨‚æ‚ÑŽû”[“Á«‚Ì•]‰¿ [6,7,8]

‰äX‚́C“WŠJŽÀŒ±‚ðs‚¢CŽû”[‚Æ“WŠJ‚̐¬Œ÷‚ðŠm”F‚·‚邱‚ƂŐ݌v–@‚ðŒŸØ‚µ‚Ä‚¢‚Ü‚·DˆÈ‰º‚Ì“®‰æ‚É‚ ‚é’Ê‚èC‰äX‚ÌŽè–@‚ÍŽ©ŒÈ“WŠJƒgƒ‰ƒX‚̐݌v‚É“K—p‚·‚邱‚Æ‚ª‚Å‚«‚Ü‚·D

4.4m truss 2m truss triangular truss in vacuum chamber

‰äX‚Í”÷¬d—͉º‚Å‚Ì“WŠJŽÀŒ±‚às‚Á‚Ä‚¢‚Ü‚·D

7N12B truss with membrane 3D truss

‰äX‚̍¡‚Ì‹»–¡‚Ì’†S‚́C–Œ–Ê‚ÌŽû”[•û–@C‘Å‚¿ã‚°Žž‚̃‰ƒbƒ`‚ƃ‰ƒbƒ`‰ðœ‚Ì‚½‚ß‚Ì•ÛŽE‰ð•ú‹@\‚Å‚·D‰º‚̐}‚́C–Œ‚ÌŒú‚³‚ðl—¶‚µ‚½–Œ–ʂ̐܂èô‚݃pƒ^[ƒ“‚Ì—á‚ƁCƒgƒ‰ƒX‚𒴏¬Œ^‰q¯‚É“‹Ú‚·‚é•û–@‚Ì—áC‚»‚µ‚āC3ŽŸŒ³Ž©ŒÈ“WŠJƒgƒ‰ƒX‚©‚琬‚é‹È–Ê‚Ì—á‚ðŽ¦‚µ‚Ä‚¢‚Ü‚·D

Folding pattern micro-satellite with self-deployable truss Self-deployable curved surface

‰äX‚́C‚±‚¤‚¢‚Á‚½ƒgƒsƒbƒNƒX‚ɂ‚¢‚āC2017”NC2018”N‚ɘ_•¶‚ð”­•\‚µ‚Ä‚¢‚­—\’è‚Å‚·D


‚±‚ÌŒ¤‹†‚́C‰ÈŒ¤”ï‚É‚æ‚錤‹†" ‘åŒ^ƒSƒbƒTƒ}[‘½‘̉F’ˆ\‘¢•¨‚̉^“®—\‘ª–@‚ÌŠm—§‚Ɖ^“®‚Ì—‰ð"‚̈êŠÂ‚Æ‚µ‚čs‚Á‚Ä‚¢‚é‚à‚Ì‚Å‚·D

References
[1] John C. Mankins, SPS-ALPHA: The First Practical Soloar Power Satellite via Arbitrarily Large Phased Array, Final report of A 2011-2012 NASA NIAC Phase 1 Project, September 15, 2012.
[2] Webstar Cash, et.al., Starshade Technology Development, 2010.
[3] Jeremy Kasdin, The flower-shaped starshade that might help us detect Earth-like planets", March 2014.
[4] Shoko Arita, Yasuyuki Miyazaki, A study of dynamic evaluation of structural buckling, Mechanical Engineering Journal, Vol.2, Paper No.15-00677, pp.1-8, March 31, 2016, DOI: 10.1299/mel.15-00677.
[5] Yasuyuki Miyazaki, Shota Inoue, Akihiro Tamura, Analytical solution of the bending of a bi-convex boom , Mechanical Engineering Journal, Vol.2, No.6, Paper No.15-00465, December 15, 2015, DOI: 10.1299/mej.15-00465.
[6] Shota Inoue, Akihiro Tamura, Daishi Kawarabayashi, Dan Hyodo, Yasuyuki Miyazaki, Report on Microgravity Experiments of Self-Deployable Truss Structure Consisting of BCON Booms, Digital Proceedings of the 8th Asian Conference on Multibody Dynamics, paper-1290215, pp.1-10, August 7-10, 2016, Kanazawa Miyako Hotel, Kanazawa, Japan.
[7] ‰ÍŒ´—Ñ ‘åŽv, ‹{è Ns, ŽOŽŸŒ³Ž©ŒÈ“WŠJƒgƒ‰ƒX‚ÌŠT”O‚Æ”÷¬d—͉º‚É‚¨‚¯‚é“WŠJ“Á«, ‘æ60‰ñ‰F’ˆ‰ÈŠw‹Zp˜A‡u‰‰‰ï, JSASS-2016-4286, pp.1-6, 2016”N9ŒŽ6“ú`9“ú, –kŠC“¹”ŸŠÙŽs”ŸŠÙƒAƒŠ[ƒi, –kŠC“¹.
[8] Noboru Tada, Shota Inoue, Yasuyuki Miyazaki, Membrane Deployment Deorbit System by Convex Tapes, Deorbit Device Competition, October 17-23, 2016, Hotel Longoz, Varna, Bulgaria.
[9] ‹{èNs, ƒRƒ“ƒxƒbƒNƒXƒe[ƒv‚̉~“›‚Ö‚ÌŠª‚«•t‚¯‚Ì—ÍŠw, ‘æ32‰ñ‰F’ˆ\‘¢EÞ—¿ƒVƒ“ƒ|ƒWƒEƒ€, 2016”N12ŒŽ9“ú, JAXA‰F’ˆ‰ÈŠwŒ¤‹†Š, ‘Š–ÍŒ´ (to be appeared).
[10] •Ÿ‰i“Žq, ‹{èNs, ƒnƒu‚ÉŠª‚«•t‚¯‚ç‚ꂽƒRƒ“ƒxƒbƒNƒXƒe[ƒv‚Ì”—£ðŒ, ‘æ25‰ñƒXƒy[ƒXEƒGƒ“ƒWƒjƒAƒŠƒ“ƒOEƒRƒ“ƒtƒ@ƒŒƒ“ƒX, 2016”N12ŒŽ21“ú`22“ú, ŽRŒûŒ§ŽRŒûŽsƒzƒeƒ‹‚©‚ß•Ÿ (to be appeared)D
[11] M.C. Natori, Naoko Kishimoto, Ken Higuchi, and Hiroshi Yamakawa, Basic Geometrical Consideration on Deployable and Adaptive Structures for Efficient Spacecraft Systems, ISTS2008-c-05.

College of Science and Technology, Nihon University
Department of Aerospace Engineering
Miyazaki and Yamazaki Laboratory
College of Science and Technology, Nihon University
7-24-1 Narashinodai, Funabashi, Chiba 274-8501, Japan
e-mail: asel (at) forth.aero.cst.nihon-u.ac.jp