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(1)

画像処理に基づくパラフォイル飛行体の飛行経路の 同定 : 研究成果報告

著者 溝端  一秀, 岸本  泰尚

雑誌名 室蘭工業大学航空宇宙機システム研究センター年次

報告書

巻 2007

ページ 30‑36

発行年 2008‑09

URL http://hdl.handle.net/10258/00008701

(2)

画像処理に基づくパラフォイル飛行体の飛行経路の 同定 : 研究成果報告

著者 溝端  一秀, 岸本  泰尚

雑誌名 室蘭工業大学航空宇宙機システム研究センター年次

報告書

巻 2007

ページ 30‑36

発行年 2008‑09

URL http://hdl.handle.net/10258/00008701

(3)

- 30 -

↹௝ಣℂ䈮ၮ䈨䈒䊌䊤䊐䉤䉟䊦㘧ⴕ૕䈱㘧ⴕ⚻〝䈱หቯ㩷 䋭㩷 ⎇ⓥᚑᨐႎ๔㩷

䂾㩷 㩷 Ḵ┵㩷 ৻⑲䋨ᯏ᪾䉲䉴䊁䊛Ꮏቇ⑼㩷 ಎᢎ᝼䋩㩷

ጯᧄ㩷 ᵏዏ䋨ᯏ᪾䉲䉴䊁䊛Ꮏቇኾ᡹㩷 㜞ㅦᵹ૕ജቇ⎇ⓥቶ䋩㩷

㩷 㩷

㪈㪅㩷 ✜⸒㩷

ㄭᐕޔᄢ㒽㑆ߩ⥶ⓨャㅍ෸߮࿾⃿ૐ゠㆏߳ߩౣ૶↪ဳቝቮャㅍߩ෺ᣇߦ౒ㅢߔࠆ㕟ᣂ⊛ၮ⋚ᛛ ⴚߩ⎇ⓥ㐿⊒߇ᒝߊ᳞߼ࠄࠇߡ޿ࠆ㧚⎇ⓥߐࠇߚၮ⋚ᛛⴚߩᯏ⢻࡮ᕈ⢻ߪ㘧ⴕ⹜㛎ߦࠃߞߡታ⸽

ߐࠇࠆᔅⷐ߇޽ࠆ㧚ߘߩߚ߼ߩ⒳ޘߩ㘧ⴕታ㛎ᯏ߇ឭ໒ߐࠇߡ߅ࠅ㧘ᧄቇߦ߅޿ߡ߽ዊဳ⿥㖸ㅦ 㘧ⴕታ㛎ᯏߩ㐿⊒⸘↹߇ㅴ߼ࠄࠇߡ޿ࠆ㧚

ߎࠇࠄ㘧ⴕታ㛎ᯏ߿ౣ૶↪ဳቝቮᯏߩ㐿⊒ೋᦼᲑ㓏ߦ߅ߌࠆ◲ᤃߥ࿁෼ᚻᴺߣߒߡ㧘߹ߚ⥄ജ ߢṖ⿛〝ߦᏫㆶߢ߈ߥߊߥߞߚ㓙ߩ✕ᕆߩ࿁෼ᚻᴺߣߒߡ㧘Ṗⓨ࡮ᣓ࿁࡮⌕㒽ᠲ૞ࠍⴕ߃ࠆޟࡄ

࡜ࡈࠜࠗ࡞ޠࠍ↪޿ߚޟࡄ࡜ࡈࠜࠗ࡞㘧ⴕࠪࠬ࠹ࡓޠ߇᦭ᦸߢ޽ࠆ㧚㘧ⴕታ㛎ᯏ߿ౣ૶↪ቝቮᯏ ߪ⥄ᓞ㘧ⴕߔࠆ߽ߩߢ޽ࠆߎߣ߆ࠄ㧘ࡄ࡜ࡈࠜࠗ࡞㘧ⴕࠪࠬ࠹ࡓ߽⥄ᓞ㘧ⴕน⢻ߢ޽ࠆߎߣ߇ᦸ

߹ࠇࠆ㧚

ᧄ⎇ⓥߪ㧘⥄ᓞ㘧ⴕน⢻ߥࡄ࡜ࡈࠜࠗ࡞㘧ⴕࠪࠬ࠹ࡓࠍ᭴▽ߔࠆߎߣࠍ⋡ᜰߒߡ㧘⥄ᓞ㘧ⴕ೙

ᓮߦᔅⷐߥ㘧ⴕ․ᕈ࠺࡯࠲ࠍផቯߔࠆߎߣࠍ⋡⊛ߣߔࠆ㧚ዊဳ࡜ࠫࠦࡦ࡮ࡄ࡜ࡈࠜࠗ࡞ᯏ૕ࠍ૶

↪ߒߡ㧘㘑╬ߩᄖੂߩή޿ደౝߢ㘧ⴕ⹜㛎ࠍᄙᢙታᣉߒ㧘㘧ⴕᤋ௝ࠍࡆ࠺ࠝࠞࡔ࡜ߢ᠟ᓇߒ㧘ߘ ߩᤋ௝ࠍ⸃ᨆߔࠆߎߣߦࠃߞߡਃᰴర⊛ߥ㘧ⴕ⚻〝ࠍหቯߔࠆ㧚߹ߚ㧘౐⥄↱ᐲߩ㘧ⴕജቇࠪࡒ ࡘ࡟࡯࡚ࠪࡦࠍታᣉߒ㧘ߘߩ⸃ࠍ㘧ⴕ⹜㛎࠺࡯࠲ߣᲧセߔࠆߎߣߦࠃߞߡ㧘ࡄ࡜ࡈࠜࠗ࡞ᯏ૕ߩ 㘧ⴕ․ᕈࡄ࡜ࡔ࠲࡯ߩ᭎⇛୯ࠍหቯߔࠆ㧚

㪉㪅㩷 䊌䊤䊐䉤䉟䊦㘧ⴕ⹜㛎㩷

㪉㪅㪈㩷 ᚻᴺ㩷

ᧄቇߩ૕⢒㙚ߦ߅޿ߡ㘧ⴕ⹜㛎ࠍⴕ߁㧚ደౝߢ޽ࠆߚ߼㧘᳇⽎᧦ઙߦᏀฝߐࠇࠆ੐ߥߊ቟ో࡮

⏕ታ߆ߟ➅ࠅ㄰ߒ㘧ⴕ⹜㛎ࠍታᣉߢ߈㧘ߐࠄߦ㘑ߩᓇ㗀ߦࠃߞߡ㘧ⴕ․ᕈ߇ੂߐࠇࠆߎߣ߇ή޿

ߚ߼ࡄ࡜ࡈࠜࠗ࡞ߘߩ߽ߩߩ㘧ⴕ․ᕈࠍ⸃ᨆߔࠆ੐߇น⢻ߢ޽ࠆ㧚࠺ࠫ࠲࡞ࡆ࠺ࠝࠞࡔ࡜

2

บߦ ࠃߞߡ㧘ዊဳ࡜ࠫࠦࡦࡄ࡜ࠣ࡜ࠗ࠳ታ㛎ᯏߩ㘧ⴕ゠〔ࠍਃᰴర⊛ߦ↹௝෼㍳ߒ㧘ߎࠇࠍᐳᮡ࠺࡯

࠲ߦᄌ឵ߒߡቯ㊂⊛ߦࡄ࡜ࡈࠜࠗ࡞ታ㛎ᯏߩ㘧ⴕ․ᕈࠍᛠីߔࠆ㧚ߐࠄߦ㧘ࠠࡖࡁࡇ࡯ߩㄫⷺ߿

౞ᒐᒻ⁁ࠍᄌൻߐߖࠆߎߣߦࠃࠆṖⓨ㧘ᣓ࿁ㆇേߩᄌൻࠍ⺞ߴࠆ㧚

㘧ⴕ゠〔ߩ↹௝⸘᷹࡮⸃ᨆᚻᴺߪએਅߩㅢࠅߢ޽ࠆ㧚߹ߕ㧘૕⢒㙚ߦ߅޿ߡᐥ㕙਄ߩછᗧߩ૏

⟎ߦਃᰴరᐳᮡߩේὐࠍ⸳ቯߔࠆ㧚ᐳᮡゲߦߟ޿ߡߪ㧘ේὐ߆ࠄ㋦⋥਄ᣇߦ

z

ゲࠍ㧘ߎࠇߦု⋥

ߦᐥ㕙਄ߦ

x

ゲߣ

y

ゲࠍ⸳ቯߔࠆ㧚x ゲ਄

l1[m]ߩὐߦࠞࡔ࡜2

ࠍ㧘y ゲ਄

l2[m]ߩὐߦࠞࡔ࡜1

⸳⟎ߔࠆ㧚

l1=l2=15[m]ߣߒߡ޿ࠆ㧚߹ߚ㧘2

บߩࠞࡔ࡜ߩᤋ௝ߩᤨೞวࠊߖߩߚ߼㧘᠟ᓇߩᦨೋ

ߦ࡜ࠗ࠻ࠍὐἮ࡮ᶖἮߒ㧘ᤋ௝਄ߢ࡜ࠗ࠻߇ᶖἮߒߚ⍍㑆ࠍၮḰᤨೞߣߔࠆ㧚

ᧄ⎇ⓥߢ૶↪ߔࠆዊဳࡄ࡜ࡈࠜࠗ࡞࡜ࠫࠦࡦᯏߩ᭎ⷰ㧘⻉ర㧘߅ࠃ߮ฦㇱฬ⒓ࠍ

Fig.1

ߦ␜ߔ㧚

ߎࠇࠍ㧘૕⢒㙚ߩࠠࡖ࠶࠻࠙ࠜ࡯ࠢ㧔㜞ᐲ

6.5[m]㧕߆ࠄᚻᛩߍߦࠃࠅṖⓨߐߖࠆ㧚

(4)

Fig.1 Configuration of the Parafoil.

㪉㪅㪉㩷 ᤋ௝⸃ᨆ㩷

߹ߕ㧘࠺ࠫ࠲࡞ࡆ࠺ࠝᤋ௝߆ࠄࡄ࡜ࡈࠜࠗ࡞ታ㛎ᯏߩ㊀ᔃߩᤨޘೞޘߩ૏⟎ࠍ

Fig.2

ߩࠃ߁ߦ ᬌ಴ߔࠆ㧚ߎߩ૞ᬺߦߪ㧘Lenox Softworks ␠ߩޟVIDEO POINT2.5ޠࠍ૶↪ߔࠆ㧚ᰴߦ㧘゠〔ߩ ฦὐߩ↹௝਄ߢߩ૏⟎ࠍ⸥㍳ߔࠆ㧚ߎߩ૏⟎࠺࡯࠲ߪ㧘Fig.3 ߦ␜ߐࠇߚⷺᐲ

Į㧘ȕ㧘Ȗ㧘į

ߦኻᔕ ߔࠆ㧚ߎࠇࠄߩⷺᐲ࠺࡯࠲ߣ਄ㅀߩ

l1

l2

ߩ

6

ߟߩ⸘᷹୯ࠍ↪޿ߡ㧘ᰴᑼߦࠃߞߡ㧘ฦὐߩⓨ㑆 ᐳᮡ(x, y, z)߇ផ▚ߐࠇࠆ㧚

J D

D J

tan tan 1

tan

2tan

1

l

x l ,

J D

J D

tan tan 1

tan

1tan

2

l

y l ,

2

2

1 z

z z

ߚߛߒ㧘

E

J D

J D J

D D

J tan

tan tan 1

tan tan tan

tan 1

tan

tan 2 1 2

1 2 2

1

1 ¿¾½

¯®

­

¿

¾½

¯®

­

l l

l l z l

G

J D

J D J

D D

J tan

tan tan 1

tan tan tan

tan 1

tan

tan 2 2 1 2

2 1 2

2 ¿¾½

¯®

­

¿¾

½

¯®

­

l l l l

l z

ߎߎߢ

z

ߩ▚಴ᑼߦ

z1

ߣ

z2

߇޽ࠆ߇㧘੍஻ታ㛎ߩ⚿ᨐߎߩ

2

ߟߩ୯ߩᐔဋ୯߇ታ᷹୯ߦ߶߷৻⥌

ߔࠆߎߣ߇⸃ߞߡ޿ࠆ㧚

㪊㪅㩷 ታ㛎⚿ᨐ䈍䉋䈶⠨ኤ

㪊㪅㪈㩷 Ṗⓨᕈ⢻㩷

ࡄ࡜ࡈࠜࠗ࡞ߩṖⓨᕈ⢻ߪㄫⷺߦࠃߞߡᄌൻߔࠆ㧚ㅢᏱߩࡄ࡜ࠣ࡜ࠗ࠳࡯ߢߪ,ࠨࠬࡍࡦ࡚ࠪࡦ࡜

ࠗࡦ߿ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦࠍᏀฝဋ╬ߦᒁߊ੐ߦࠃߞߡ,㘧ⴕਛߦㄫⷺࠍᄌ߃ࠆߎߣ߇ߢ߈ࠆ㧚ߒ ߆ߒ㧘ᧄ⎇ⓥߩታ㛎ᯏߪ㧘৻ߟߩࠨ࡯ࡏߢᏀฝߩ࡜ࠗࡦࠍᏅേ⊛ߦᒁߊ೙ᓮᣇᑼߢ޽ࠆߚ߼㧘Ꮐ ฝߩ࡜ࠗࡦࠍหᤨߦᒁߊ੐ߪਇน⢻ߢ޽ࠆ㧚ߘߎߢ㧘ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦߩ㐳ߐࠍ㘧ⴕᲤߦᄌ߃

Span

Cord at root

Height

Air intakes

Canopy Suspension

line

Control line

⠢㕙Ⓧ㧔ᛩᓇ୯㧕

⠢᏷㧔ᛩᓇ୯㧕 O ᐔဋ⠢ᒏ㐳㧔ᛩᓇ୯㧕 O

⠢ᩮᒏ㐳㧔ᛩᓇ୯㧕 O

⠢┵ᒏ㐳㧔ᛩᓇ୯㧕 O ࠕࠬࡍࠢ࠻Ყ㧔ᛩᓇ୯㧕

࠮࡞ߩᢙ

ో⾰㊂ I

(5)

- 32 -

(a) Video image of Camera 1.

(b) Video image of Camera 2.

Fig.2 A trajectory detected from video images.

ǩ Ǫ

ǫ Ǭ

ࠞࡔ࡜

ࠞࡔ࡜

Fig.3 Definition of angles for analyzing trajectory points.

ࠆ੐ߦࠃߞߡㄫⷺࠍᄌ߃ࠆߎߣߦߔࠆ㧚ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦ㐳ߐࠍၮḰ㐳ߐ߆ࠄ±8[mm]߅ࠃ߮

±16[mm]ߩ4

ㅢࠅߦᄌ߃㧘⸘

5

ㅢࠅߩㄫⷺࠍ⸳ቯߔࠆ.ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦࠍ㐳ߊߔࠆ߶ߤㄫⷺ߇

ዊߐߊߥࠅ㧘⍴ߊߔࠆ߶ߤㄫⷺ߇ᄢ߈ߊߥࠆ.

5

ㅢࠅߩㄫⷺߦኻߔࠆ㘧ⴕ゠〔ߩ㋦⋥㕙ᛩᓇࠍ

Fig.4

ߦ␜ߔ㧚㘧ⴕ゠〔ࠍㄭૃߔࠆ⋥✢゠〔ࠍ૬

⸥ߒߡ߅ࠅ㧘ߎߩ⋥✢゠〔ߦኻᔕߔࠆ᳓ᐔㅦᐲ㧘ᴉਅㅦᐲ㧘ṖⓨᲧ㧘߅ࠃ߮឴᛫Ყࠍ

Table 1

ߦ␜

ߔ㧚ㄫⷺ߇ዊߐߊߥࠆ⒟ᴉਅㅦᐲ߇Ⴧടߔࠆ੐߇⸃ࠆ㧚߹ߚ឴᛫Ყࠍᦨᄢߣߔࠆㄫⷺߪࠦࡦ࠻ࡠ

࡯࡞࡜ࠗࡦ㐳-8mm ߩઃㄭߦ޽ࠆ㧚ߎߩࠃ߁ߦ㧘ࡄ࡜ࡈࠜࠗ࡞ߩṖⓨᕈ⢻ߪ⥶ⓨᯏߩṖⓨᕈ⢻ߣ ห᭽ߩ․ᕈࠍ᦭ߒߡ޿ࠆ㧚

x

z y

x z

y

ኻ⽎‛

(6)

Fig.4 Flight trajectories of steady-state gliding at several values of angle of attack.

Table 1 Characteristics of steady-state gliding at several values of angle of attack.

ࠦࡦ࠻ࡠ࡯

࡞࡜ࠗࡦ㐳

᳓ᐔ ㅦᐲ

U[m/s]

ᴉਅ ㅦᐲ

W[m/s]

Ṗⓨⷺ

ș[deg.]

឴᛫Ყ

D L C C

+16[mm] 3.44 1.87 28.9 1.84

+8[mm] 3.95 1.70 23.3 2.32

0[mm] 3.32 1.19 19.7 2.79

-8[mm] 3.49 1.21 19.1 2.88

-16[mm] 2.42 1.00 22.5 2.42

㪊㪅㪉㩷 ᣓ࿁ᕈ⢻

Ꮐᣓ࿁ᣇะߩࠬ࠹࠶ࡊᠲ⥽ߦࠃࠆᣓ࿁ᕈ⢻ࠍ㧘ࠠࡖࡁࡇ࡯ᒻ⁁ߩ㆑޿ࠃࠆᣓ࿁ᕈ⢻ߩᏅ⇣㧘ㄫ

ⷺߩ㆑޿ߦࠃࠆᣓ࿁ᕈ⢻ߩᏅ⇣㧘߅ࠃ߮ᠲ⥽ᔕ╵ߩਃὐߦᵈ⋡ߒߡ⸃ᨆߔࠆ㧚

㪊㪅㪉㪅㪈㩷 䉨䊞䊉䊏䊷䈱౞ᒐᒻ⁁䉕ᄌ䈋䉎䈖䈫䈮䉋䉎ലᨐ

Ꮐฝ┵ߩࠨࠬࡍࡦ࡚ࠪࡦ࡜ࠗࡦ߅ࠃ߮ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦߩ⸘

4

ᧄࠍ

10㨇mm㨉ߥ޿ߒߪ 20

㨇mm㨉⍴❗ߔࠆߎߣߦࠃߞߡ㧘ࠠࡖࡁࡇ࡯ߩ౞ᒐᒻ⁁ߩᦛ₸ࠍᄢ߈ߊߔࠆ㧚ㄫⷺࠍᄌ߃ߕࠠࡖ ࡁࡇ࡯ᒻ⁁ߩߺᄌ߃ߚ႐วߩ㧘ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦᒁ߈㊂

30[mm]ߢߩᣓ࿁ࠍ઻߁ਃᰴర㘧ⴕ゠〔

Fig.5

ߦ㧘ᮮᣇะᄌ૏ߩጁᱧࠍ

Fig.6

ߦ␜ߔ㧚

ࠠࡖࡁࡇ࡯ߩ౞ᒐᒻ⁁ߩᦛ₸߇ᄢ߈ߊߥࠆ⒟㧘ᣓ࿁ᕈ⢻߇ᖡൻߔࠆ੐߇ࠊ߆ࠆ㧚ߎࠇߪ㧘౞ᒐ ᒻ⁁ߩᦛ₸߇ᄢ߈ߊߥࠆߦߟࠇ㧘⠢ߩᛩᓇ㕙Ⓧ߇ዊߐߊߥࠅ㧘⠢ߩ឴ജಽᏓ߇ᷫዋߔࠆ㧚ߒ߆ߒ ߎߩ੐߆ࠄߛߌߢߪ㧘ᣓ࿁߇ᖡൻߔࠆේ࿃ߣߒߡߪਲߒ޿㧚ࠃߞߡ੹ᓟ࿶ജಽᏓ╬ߦ㑐ߒߡ߽⺞

ᩏߒ㧘ߘߩේ࿃ࠍ⸃᣿ߔࠆᔅⷐ߇޽ࠆ㧚߹ߚㄫⷺࠍᄌ߃ߡ߽ห╬ߩ⚿ᨐ߇ᓧࠄࠇߡ޿ࠆ㧚

㪊㪅㪉㪅㪉㩷 ㄫⷺ䉕ᄌ䈋䉎䈖䈫䈮䉋䉎ലᨐ

3.1

▵ߢㅀߴߚᣇᴺߢㄫⷺࠍᄌ߃㧘ߎࠇߦࠃࠆᣓ࿁ᕈ⢻ߩᏅ⇣ࠍ⺞ߴߚ㧚ᮮᣇะᄌ૏ߩጁᱧߦ ߪ㧘ㄫⷺߦࠃࠆᏅ⇣ߪ޽߹ࠅ⷗ࠄࠇߥ߆ߞߚ㧚ߒ߆ߒ㧘゠〔ߩ㋦⋥㕙ᛩᓇ㧔Fig.7㧕ࠍ⷗ࠆߣ㧘឴

᛫Ყ߇ዊߐ޿ㄫⷺ᧦ઙߢߪᕆỗߦᴉਅߒߡ޿ࠆ੐߇⸃ࠆ㧚

(7)

- 34 -

(a) Baseline. (b)10[mm] shortening. (c)20[mm] shortening.

Fig.5 Flight trajectories for three shapes of the canopy.

Fig.6 Horizontal displacement history of turning flight trajectories for three shapes of the canopy.

Fig.7 Turning flight trajectories at several values of angle of attack.

㪊㪅㪉㪅㪊㩷 ᠲ⥽ᔕ╵㩷

ᠲ⥽ߦࠃࠆᣓ࿁ᔕ╵ᕈࠍ⺞ߴࠆߚ߼ߦ㧘ࠦࡦ࠻ࡠ࡯࡞࡜ࠗࡦߩᒁ߈㊂ߣߘࠇߦኻᔕߔࠆ㘧ⴕ⚻

〝ߩᣓ࿁ᦛ₸ߩጁᱧࠍ

Fig.8

ߦ␜ߔ㧚ㄫⷺ߿ࠠࡖࡁࡇ࡯ᒻ⁁ߪరߩ߹߹ߢ޽ࠅ㧘ࠦࡦ࠻ࡠ࡯࡞࡜

ࠗࡦߩᒁ߈㊂ߪ

30[mm]ߢ޽ࠆ㧚ᦨೋߩᠲ⥽ᓟ߅ࠃߘ 0.08[s]એౝߦᣓ࿁߇ᆎ߹ߞߡ޿ࠆ㧚߹ߚ㧘

๟ᦼ

0.4

⑽ߩᮮᝄേ㧔ᝄࠅሶㆇേ㧕ࠍ␜ߒߥ߇ࠄ㧘ᠲ⥽ࠍ➅ࠅ㄰ߔߦߟࠇߡᐔဋ⊛ߥᣓ࿁ᦛ₸߇ ᄢ߈ߊߥߞߡ޿ࠆ㧚ᠲ⥽⚳ੌᓟߪ㧘ᮮᝄേࠍ➅ࠅ㄰ߒߥ߇ࠄᐔဋ⊛ߥᣓ࿁ᦛ₸߇ᷫዋߒߡ߅ࠅ㧘 ቯᏱṖⓨ⁁ᘒ߳ߩᓳరᕈ߇␜ߐࠇߡ޿ࠆ㧚

ࠠࡖࡁࡇ࡯ߩ౞ᒐᒻ⁁ࠍᄌ߃ߡห᭽ߦᠲ⥽ᔕ╵ࠍ⺞ߴߚ⚿ᨐࠍ

Table 2

ߦ␜ߔ㧚ࠠࡖࡁࡇ࡯ߩ౞

ᒐᒻ⁁ߩᦛ₸ࠍᄢ߈ߊߔࠆ߶ߤ㧘ᠲ⥽ᔕ╵ᕈ߇ૐᷫߒ㧘ห⒟ᐲߩᣓ࿁ᦛ₸ࠍᓧࠆߩߦᔅⷐߥᠲ⥽

ᤨ㑆߇ᄢ߈ߊߥߞߡ޿ࠆ㧚

-8 -7 -6 -5 -4 -8 -7 -6 -5 -4

4

6 -8 -7 -6 -5 -4

4 6

4 6 1.0

1.5 2.0 2.5 3.0

1.0 1.5 2.0 2.5 3.0

x(m)

y(m) z(m)

-10 -8 -6 -10 -8

-6 2

4 -10 -8

-6

2 4

2 4 0.5

1.0 1.5 2.0 2.5 3.0

0.5 1.0 1.5 2.0 2.5 3.0

x(m)

y(m) z(m)

-10 -8 -6 -4 -2 -10 -8 -6 -4 -2

2 3

4 -10 -8 -6 -4 -2

2 3

4

2 3

4 1.0

1.5 2.0 2.5 3.0

1.0 1.5 2.0 2.5 3.0

y(m) x(m)

z(m)

(8)

㪋㪅㩷 䉲䊚䊠䊧䊷䉲䊢䊮䈮䉋䉎㘧ⴕ․ᕈ䊌䊤䊜䉺䊷䈱หቯ

౐⥄↱ᐲߩ㘧ⴕജቇࠪࡒࡘ࡟࡯࡚ࠪࡦࠍⴕ޿㧘 㘧ⴕ⹜㛎ߢߩ㘧ⴕ⚻〝ࠍౣ⃻ߔࠆߎߣࠍㅢߒߡ㧘 ฦ⒳ߩ㘧ⴕ․ᕈࡄ࡜ࡔ࠲࡯ߩ᭎⇛୯ࠍផቯߔࠆ㧚ቯᏱṖⓨߦ㑐ߔࠆ㘧ⴕ⹜㛎࠺࡯࠲ߣࠪࡒࡘ࡟࡯

࡚ࠪࡦ⚿ᨐࠍ

Fig.9

ߦ␜ߔ㧚ߎߩߣ߈ߩࠪࡒࡘ࡟࡯࡚ࠪࡦߦ↪޿ߚ㘧ⴕ․ᕈࡄ࡜ࡔ࠲࡯ߩ৻ㇱࠍ

Table 3

ߦ␜ߔ㧚㒠ਅⷺߦᐞಽ㆑޿߇⷗ࠄࠇ㧘ࠪࡒࡘ࡟࡯࡚ࠪࡦߦ↪޿ࠆ㘧ⴕ․ᕈࡄ࡜ࡔ࠲࡯ߦ⺞

ᢛߩ૛࿾߇޽ࠆ㧚

㪌㪅㩷 ⚿㩷 ⸒

ዊဳࡄ࡜ࡈࠜࠗ࡞㘧ⴕታ㛎ᯏࠍ↪޿ߡደౝߢ㘧ⴕ⹜㛎ࠍታᣉߒ㧘ߘߩ㘧ⴕᤋ௝ࠍ⸃ᨆߔࠆߎߣ ߦࠃߞߡ㧘ࡄ࡜ࡈࠜࠗ࡞ߩṖⓨᕈ⢻㧘ᣓ࿁ᕈ⢻㧘߅ࠃ߮ᠲ⥽ᔕ╵ࠍቯ㊂⊛ߦ⺞ߴߚ㧚߹ߚ㧘ㄫⷺ

߿ࠠࡖࡁࡇ࡯౞ᒐᒻ⁁ࠍᄌ߃ࠆߎߣߦࠃࠆലᨐ߽⺞ߴߚ㧚ߐࠄߦ㧘౐⥄↱ᐲࠪࡒࡘ࡟࡯࡚ࠪࡦߦ ࠃߞߡ㘧ⴕ⹜㛎ߩ㘧ⴕ⚻〝ࠍౣ⃻ߒ㧘㘧ⴕ․ᕈࡄ࡜ࡔ࠲࡯ߩ᭎⇛୯ࠍหቯߒߚ㧚੍஻⊛ߥ᳓Ḱߢ ߪ޽ࠆ߇㧘࿖ౝߢߪೋ߼ߡ㧘ࡄ࡜ࡈࠜࠗ࡞㘧ⴕ૕ߩታ㓙ߩ㘧ⴕߦ߅ߌࠆ㘧ⴕ․ᕈ࠺࡯࠲ࠍቯ㊂⊛

ߦขᓧߢ߈ߚ㧚

ෳ⠨ᢥ₂

(1)

⿒ဈ ೰ผ㧘ޟࡄ࡜ࠣ࡜ࠗ࠳࡯ߩ㘧ⴕ․ᕈߦ㑐ߔࠆ⎇ⓥޠ 㧘᧲ᶏᄢቇᄢቇ㒮ඳ჻⺰ᢥ(1998)㧚

(2)

᧲ ᤘ㧘ޟࡄ࡜ࠣ࡜ࠗ࠳࡯ߩ․ᕈޠ㧘ᣣᧄ⥶ⓨදળ㧘(1996)㧚

(3)

㋈ᧁ㧘߶߆㧘ޟ㘧ⴕᯏߣࡄ࡜ࠣ࡜ࠗ࠳࡯ߦ߅ߌࠆᮮំࠇᠲ⥽ᔕ╵․ᕈߩ⋧㆑ࡔࠞ࠾࠭ࡓޠ㧘ᣣ ᧄ⥶ⓨቝቮቇળ⺰ᢥ㓸㧘Vol.55㧘No.642㧔2007㧕 㧘pp.337-343㧚

(4)

’㊁ శ㓶㧘ޟ㘧ⴕജቇߩၮ␆ޠ㧘↥ᬺ࿑ᦠᩣᑼળ␠㧔1980-2㧕㧚

(5)

 ᩉ ੫ੑ㧘ޟ⥶ⓨᯏߩㆇേ⸃ᨆࡊࡠࠣ࡜ࡓޠ 㧘↥ᬺ࿑ᦠᩣᑼળ␠㧔2007-7㧕㧚

(9)

- 36 -

Fig.8 Lateral control response.

Table.2 Effects of the canopy shape on the lateral control response.

ࠠࡖࡁࡇ࡯ߩ౞ᒐᒻ⁁

ᠲ⥽ᤨ㑆 [s]

ᠲ⥽ᒁ߈㊂ [mm]

㘧ⴕ⚻〝ߩ ᣓ࿁ᦛ₸[1/m]

ᄌൻߥߒ 0.16 30 2.50˜10-3 Ꮐฝ┵࡜ࠗࡦࠍ-10[mm]⍴❗ 0.24 30 3.13˜10-3 Ꮐฝ┵࡜ࠗࡦࠍ-20[mm]⍴❗ 0.24 30 1.17˜10-3

Fig.9 Comparison between an experimental flight trajectory and corresponding results of simulation.

Table 3 Characteristic properties of the parafoil experimental vehicle used for simulation of steady-state gliding.

Property Notation Value

ǩ= -15 deg ǩ= 0 deg ǩ= 15 deg

Lift coefficient CLD -0.110 0.330 0.690

Pitching moment coefficient

m D

C 0.034 0.014 -0.047

Rolling stability ClE -0.035

Yawing stability CnE 0.032

Table 1 Characteristics of steady-state gliding at several values of angle of attack.
Table 3 Characteristic properties of the parafoil experimental vehicle used    for simulation of steady-state gliding

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