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〈原著論文〉円筒状物体把持のための柔軟爪を有するロボットハンドの開発

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෇⟄≧≀యᢕᣢࡢࡓࡵࡢᰂ㌾∎ࢆ᭷ࡍࡿࣟ࣎ࢵࢺࣁࣥࢻࡢ㛤Ⓨ



ᰘ⏣ ⍞✑*1 



Robotic Hand with Flexible Fingers for Grasping Cylindrical Objects

Mizuho SHIBATA*1



In this manuscript, a robotic hand for grasping a cylindrical object is proposed. This robotic hand has flexible fingers that can hold a cylindrical object during moving. We introduce a grasping strategy for a cylindrical object in terms of state transition graph. In this strategy the robotic hand picks up the cylindrical object utilizing a suction device before the hand grasp the object. We also design the flexible fingers; then, we investigate the validity of this robotic hand via several experiments.

Keywords: Flexible finger, Robotic hand, Grasping, Cylindrical Object

㸬ࡣࡌࡵ࡟ ㏆ᖺ㸪✀ࠎࡢ⏘ᴗ࡟࠾࠸࡚ࣟ࣎ࢵࢺࢩࢫࢸ࣒࡟ࡼࡿ సᴗࡢ⮬ື໬ࡀ㐍ࡵࡽࢀ࡚࠸ࡿ㸬ࡇࢀࡽࣟ࣎ࢵࢺࢩࢫ ࢸ࣒ࡢᐇ⌧࡟ࡼࡾ㸪సᴗࡢຠ⋡໬ࡔࡅ࡛࡞ࡃᏳ඲ᛶࡢ ྥୖࡀぢ㎸ࡲࢀࡿ㸬ᮏ◊✲࡛ࡣ㸪෇⟄≧≀యࢆᢕᣢ࣭ ᦙ㏦ࡍࡿࡓࡵࡢࣟ࣎ࢵࢺࣁࣥࢻࢆ㛤Ⓨࡍࡿ㸬ࣟ࣎ࢵࢺ ࣁࣥࢻࡢ◊✲ศ㔝ࡣከᒱ࡟ࢃࡓࡿ㸬ே㛫ࡢᶵ⬟ࢆᶍࡍ ࡇ࡜ࢆ┠ⓗ࡜ࡋࡓࣁࣥࢻࡢ㛤Ⓨ(1)㸪ᰂ㌾ᣦࢆ᭷ࡍࡿࣁ ࣥࢻ࡟ࡼࡿ఩⨨Ỵࡵၥ㢟ࡢᏳᐃᛶ࡟㛵ࡍࡿ◊✲(2)㸪ࣁ ࣥࢻ࡟ࡼࡿᢕᥱసᴗࡢᐇ⌧(3)࡞࡝ࡢ◊✲ࡀάⓎ࡟⾜ࢃ ࢀ࡚࠸ࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ᐇ㝿ࡢ⏕⏘⌧ሙ࡛ࡣసᴗࢆ ☜ᐇ࡟ᐇ⌧ࡍࡿ࡜࠸࠺ほⅬ࠿ࡽ㸪ᑐ㇟࡜࡞ࡿ≀య࡟ྜ ࢃࡏ࡚㸪ᑓ⏝࡟タィࡉࢀࡓࣟ࣎ࢵࢺࣁࣥࢻࢆ฼⏝ࡍࡿ ࡇ࡜ࡀከ࠸㸬┿✵྾╔ࣁࣥࢻ㸪㟁☢࣐ࢢࢿࢵࢺࣁࣥࢻ ࡞࡝㸪ᵝࠎ࡞࢚ࣥࢻ࢚ࣇ࢙ࢡࢱࢆ᭷ࡍࡿࣟ࣎ࢵࢺࢩࢫ ࢸ࣒ࡀά⏝ࡉࢀ࡚࠸ࡿ(4)㸬༢⣧࡟ᢕᣢࡍࡿࡇ࡜ࡔࡅࢆ ᐇ⌧ࡍࡿࣟ࣎ࢵࢺࣁࣥࢻ࡛ࡣ㸪ࣁࣥࢻࡢ⮬⏤ᗘࢆ1 ࡜ ࡍࡿࡶࡢࡀከ࠸㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ࡑࡢᑐ㇟≀య࣭⎔ቃ ࡟ᛂࡌ࡚௚⮬⏤ᗘࢆ฼⏝ࡍࡿᚲせࡀ࠶ࡿ㸬ᕸᆅࢆᢅ࠺ ࣟ࣎ࢵࢺࣁࣥࢻ(5)࡛ࡣ㸪ࢫ࢝ࣛ࢔࣮࣒ࡢඛ➃࡟4 ⮬⏤ ᗘࣁࣥࢻࢆᦚ㍕ࡍࡿࡇ࡜࡛㸪సᴗࢆᐇ⌧ࡋ࡚࠸ࡿ㸬 ᮏ◊✲࡛ࡣ㸪෇⟄≧≀యࢆᦙ㏦ࡍࡿࡓࡵࡢࣟ࣎ࢵࢺ ࣁࣥࢻࢆ〇సࡍࡿ㸬ᮏ◊✲ࡣ㸪┤ᚄ3mm㸪㛗ࡉ 42mm ࡢ෇⟄≧≀యࢆᡤᐃࡢ఩⨨࠿ࡽᦙ㏦ࡍࡿࣟ࣎ࢵࢺࣁࣥ ࢻࢆ〇సࡍࡿ㸬ᅗ1 ࡟ᑐ㇟࡜࡞ࡿ෇ᰕᙧ≧ࢆ♧ࡍ㸬ᮏ ሗ࿌࡛ࡣ㸪ᑐ㇟≀యᦙ㏦ࡢࡓࡵࡢసᴗᡭ㡰ࢆ㆟ㄽࡍࡿ㸬 ᅗ2 ࡟ᑐ㇟࡜࡞ࡿᐇ㦂⎔ቃࢆ♧ࡍ㸬ᅗ࡟♧ࡍࡼ࠺࡟ᑐ ᅗ1㸬෇⟄≧≀య ᅗ2㸬ᐇ㦂⎔ቃ  ཎ✏ཷ௜ 2015 ᖺ 5 ᭶ 7 ᪥ *1 ㏆␥኱ᏛᕤᏛ㒊 ࣟ࣎ࢸ࢕ࢡࢫᏛ⛉ ㅮᖌ㸪ḟୡ௦ᇶ┙ᢏ⾡◊✲ᡤ ㅮᖌ㸦ࠛ739-2116 ᮾᗈᓥᕷ㧗ᒇ࠺ࡵࡢ㎶ 1 ␒㸧 E-mail [email protected]   近畿大学次世代基盤技術研究所報告 Vol. 6(2015)67-71

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㇟≀యࡀᐜჾෆ࡟஘㞧࡟⨨࠿ࢀ࡚࠸ࡿ≧ែ࠿ࡽ1 ࡘࡢᑐ ㇟≀యࢆᢕᣢ࣭ᦙ㏦ࡍࡿసᴗࢆᐇ⌧ࡍࡿ㸬≧ែ㑄⛣ࢢࣛ ࣇ࠿ࡽࡢ㆟ㄽ࡟ᇶ࡙ࡁ㸪ࡼࡾ⡆౽࡟ᢕᣢࢆᐇ⌧ࡍࡿసᴗ ᡭ㡰ࢆᑟධࡍࡿ㸬ࡲࡓ㸪≀యࢆ㐠ື୰࡟ⴠୗࡉࡏࡿࡇ࡜ ࡀ࡞࠸ࡼ࠺࡟㸪㔠ᒓ〇ࡢࣟ࣎ࢵࢺᣦࢆタィ࣭〇సࡍࡿ㸬ࡑ ࡢ᭷ຠᛶࡣᐇ㦂ࢆ㏻ࡋ࡚☜ㄆࡍࡿ㸬 ≀యࢆᢕᣢࡍࡿࡓࡵ࡟ࡣ㸪࣓࢝ࣛ࡞࡝どぬࢭࣥࢧࢆ⏝ ࠸࡚఩⨨࣭ጼໃࢆㄆ㆑ࡍࡿᚲせࡀ࠶ࡿ㸬ᮏ◊✲࡛ࡣ㸪ࡇ ࡢ≀యㄆ㆑ࡢ㒊ศ࡟ࡘ࠸࡚ࡣ◊✲ᑐ㇟࡜ࡏࡎ㸪ᢕᣢ๓࡟ ≀యࡢ఩⨨࣭ጼໃࡀ࠶ࡽ࠿ࡌࡵศ࠿ࡗ࡚࠸ࡿࡶࡢ࡜ࡍࡿ㸬  㸬௙ᵝࡢỴᐃ ᮏ◊✲࡛ࡣ㸪ᅗ2 ࡟♧ࡍᐜჾෆ࡟࠶ࡿ෇⟄≧≀య㸦ᅗ 1㸧ࢆᦙ㏦᫬࡟ᢕᣢࡍࡿࣟ࣎ࢵࢺࣁࣥࢻࢆᐇ⌧ࡍࡿ㸬ᑐ㇟ ≀ࡢ୧➃㠃ࡣࡑࢀࡒࢀ␗࡞ࡿᙧ≧࡛࠶ࡾ㸪Ỵࡵࡽࢀࡓྥ ࡁ࡛Ỵࡵࡽࢀࡓሙᡤ࡟⨨ࡃᚲせࡀ࠶ࡿ㸬ᮏࣟ࣎ࢵࢺࣁࣥ ࢻࢆ〇సࡍࡿୖ࡛ࡢタィ᮲௳ࢆᣲࡆࡿ㸬 ࣭྾╔ࣃࢵࢻࡸ࢚࢔ࢩࣜࣥࢲ࡞࡝ไᚚࡀᐜ᫆࡞࢔ࢡࢳࣗ ࢚࣮ࢱࢆ฼⏝ࡍࡿ㸬㟁☢࣮ࣔࢱࢆ฼⏝ࡋࡓ」㞧࡞ไᚚ ࡣ฼⏝ࡋ࡞࠸㸬 ࣭㧗㏿࡛ᦙ㏦ࡋࡓሙྜ࡟ᑐ㇟≀ࡀࣁࣥࢻ࠿ࡽࡣࡎࢀ࡞࠸ ࡼ࠺࡟㸪∎≧ࡢ㒊ᮦ࡛ᢕᣢࡍࡿ㸬 ࣭ࣟ࣎ࢵࢺ࢔࣮࣒ࡢྍᦙ㔜㔞࡟࠶ࢃࡏ࡚㸪ࣁࣥࢻࡢ㉁㔞 ࡣ5kg ௨ୗ࡜ࡍࡿ㸬 ࣭ྍືᇦࢆከࡃ☜ಖࡍࡿࡓࡵ࡟㸪ࣁࣥࢻࡢ㛗ࡉࢆ⣙ 250mm ⛬ᗘ࡜ࡍࡿ㸬 ࣭࣮࣡ࢡࢆᢕᣢࡍࡿሙྜ㸪ࣁࣥࢻࡢ୍㒊ࡀᑐ㇟≀య௨እ ࡢ≀య࡟ᖸ΅ࡋ࡞࠸ࡼ࠺࡟ࡍࡿ㸬 ࣭෇⟄≧≀యࢆࡘ࠿ࢇࡔ࡜ࡁ࡟㸪∎㒊࡜ࡢ㛫࡟㝽㛫ࡀ✵ ࠿࡞࠸ࡼ࠺࡟ࡍࡿ㸬  㸬ࣟ࣎ࢵࢺࣁࣥࢻ సᴗ᪉⟇              ᮏ⠇࡛ࡣ㸪๓⠇ࡢၥ㢟タᐃ࡟ᇶ࡙࠸࡚㸪෇⟄≧≀యࢆ ᢕᣢ࣭ᦙ㏦ࡍࡿࡓࡵࡢసᴗ᪉⟇ࢆỴᐃࡍࡿ㸬ࡇࡇ࡛ࡣ㸪 సᴗ඲యࢆ」ᩘࡢ≀యࡢ᥋ゐ≧ែ࡛⾲⌧ࡋ㸪ࡑࡢ᥋ゐ≧ ែࢆ㑄⛣ࡉࡏࡿၥ㢟࡜ࡋ࡚⪃࠼ࡿ㸬ࡇࡇ࡛㸪᥋ゐ≧ែࢢ ࣛࣇ(6)࡜ࡣ㸪≀యྠኈࡢ᥋ゐ≧ែ࡜ࡑࡢ㑄⛣ࢆࣀ࣮ࢻ࡜࢚ ࢵࢪࡢ㞟ྜ࡛⾲⌧ࡍࡿࡶࡢ࡛࠶ࡿ㸬࠶ࡿసᴗ࡟࠾࠸࡚㸪 ᥋ゐ≧ែࢆ⾲ࡍࣀ࣮ࢻᩘࢆn ࡜ࡍࡿ࡜㸪࢚ࢵࢪࡢ᭱኱ᩘ L ࡣ, L = n (n 㸫1)/2 ࡜ィ⟬࡛ࡁࡿ㸬ࡋࡓࡀࡗ࡚㸪ࣀ࣮ ࢻᩘn ࡀ኱ࡁࡃ࡞ࡿ࡜㸪࢚ࢵࢪᩘ L ࡣ⤌ࡳྜࢃࡏ⇿Ⓨࢆ ㉳ࡇࡍ㸬ࡘࡲࡾ㸪≧ែ㑄⛣ࡢほⅬ࠿ࡽࡣn ࡀྍ⬟࡞㝈ࡾ ᑡ࡞ࡃ࡞ࡿࡼ࠺࡞సᴗ᪉⟇ࢆ㑅ᐃࡍࡿࡇ࡜ࡀᮃࡲࡋ࠸㸬 ౛࠼ࡤ㸪࠶ࡿ≀యࢆ㸪∎㒊ࢆ⏝࠸࡚ᢕᣢࡍࡿሙྜ㸪ᢕᣢ    㸦a㸧      㸦b㸧     㸦c㸧   㸦d㸧     㸦e㸧    㸦f㸧 ᅗ3㸬సᴗ᪉⟇ ≀య࡜∎㒊௨እ࡟᥋ゐ≧ែࢆ㑄⛣ࡉࡏࡿ≀యࡀ࡞ࡃ㸪≀ యࢆᢕᣢࡋ࡚࠸ࡿ㸦∎㒊ࡀ≀య࡜᥋ゐࡋ࡚࠸ࡿ㸧㸪≀యࢆ ᢕᣢࡋ࡚࠸࡞࠸㸦∎㒊࡜≀యࡀ᥋ゐࡋ࡚࠸࡞࠸㸧ࡢ2 ࡘ ࡋ࠿᥋ゐ≧ែࡀ࡞࠸࡜࠸࠺సᴗࡀ㑅ᐃ࡛ࡁࢀࡤ㸪࢚ࢵࢪ ᩘL ࡣ 1 ࡜࡞ࡾ㸪ࡑࡢ࢚ࢵࢪ࡟┦ᙜࡍࡿసᴗࢆࡢࡳࢆᐇ ᶵ࡟ࡼࡗ࡚ᐇ⌧ࡍࡿࡇ࡜ࡔࡅࢆ⪃࠼ࢀࡤࡼ࠸ࡇ࡜࡟࡞ࡿ㸬 ᮏ◊✲࡛ࡣ㸪ࡇࡢ᥋ゐ≧ែࡢࣀ࣮ࢻᩘࡀ2 ࡜࡞ࡿ≧ἣࢆ ᐇ⌧ࡍࡿࡓࡵ࡟㸪஦๓࡟ᑐ㇟≀యࢆ✵୰࡛ᣢࡕୖࡆ㸪ᑐ ㇟≀య࡜∎㒊ࡢࡳࡀᏑᅾࡍࡿ≧ἣ࡛ࡢᢕᣢࢆసᴗ᪉⟇࡜ ࡋ࡚㑅ᐃࡍࡿ㸬ᑐ㇟≀యࡢ఩⨨࣭ጼໃࡢㄆ㆑ࡀᡂຌࡋ࡚ ࠸ࢀࡤ㸪ࡇࡢసᴗ᪉⟇ࡣᐇ⌧ྍ⬟࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸬 ࡇࡢ㆟ㄽࢆ㋃ࡲ࠼㸪ᅗ3 ࡟సᴗ᪉⟇ࢆ♧ࡍ㸬ᅗࡢグྕ ࡣୗグࡢ㐣⛬࡟ᑐᛂࡍࡿ㸬 㸦a㸧྾╔ࣃࢵࢻࢆᑐ㇟≀య࡟᥋ゐࡉࡏࡿ㸬 㸦b㸧྾╔ࣃࢵࢻࢆᑐ㇟≀య࡟ᢲࡋࡘࡅࡿ㸬ࣃࢵࢻෆࢆῶ ᅽࡍࡿࡇ࡜࡛㸪ᣢࡕୖࡆࡿࡓࡵ࡟ᚲせ࡞ຊࢆ⎔ቃᅽ 㸦௒ᅇࡢሙྜ኱Ẽᅽ㸧࡜ࡢᕪᅽ࠿ࡽᚓࡿ㸬 Object Vacuum Finger

suction pad

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㸦c㸧ᑐ㇟≀యࢆᣢࡕୖࡆࡿ㸬ᑐ㇟≀యࢆⴠ࡜ࡋࡓሙྜ࡟ ࡣ㸪ࣃࢵࢻෆ㒊ࡢᅽຊࡀኚ໬ࡍࡿ㸬 㸦d㸧ୖ㒊࡟∎㒊ࡀ᱁⣡ࡉࢀ࡚࠸ࡿሙྜ㸪∎㒊ࢆỈᖹ᪉ྥ ࡟⛣ືࡉࡏࡿ㸬 㸦e㸧∎㒊ࢆᢕᣢࡀ⾜࠼ࡿ఩⨨ࡲ࡛ୗࡆࡿ㸬ᑐ㇟≀య࡜ᖸ ΅ࡋ࡚ᑐ㇟≀యࢆⴠ࡜ࡋࡓሙྜ࡟ࡣ㸪ࣃࢵࢻෆ㒊ࡢ ᅽຊࡀኚ໬ࡍࡿ㸬 㸦f㸧∎㒊ࢆᕥྑ࡟⛣ືࡉࡏ㸪ᑐ㇟≀యࢆᢕᣢࡍࡿ㸬 㐣⛬(e)㸪(f)ࡀ๓㏙ࡋࡓ 2 ࡘࡢࣀ࣮ࢻ࡟ᑐᛂࡍࡿ㸬ࡲࡓ㸪 㐣⛬(d)ࡣ㸪∎㒊࡜྾╔ࣃࢵࢻᖸ΅ࡉࡏ࡞࠸ࡓࡵ࡟ᐇ᪋ࡍ ࡿࡓࡵ㸪ࣁࣥࢻࡢタィ࡟ࡼࡗ࡚ࡣ┬࠿ࢀࡿ㸬 ∎㒊ࡢタィ               ᮏ⠇࡛ࡣ㸪∎㒊ࡢタィࢆ⾜࠺㸬ᅗ4 ࡟ᑐ㇟࡜࡞ࡿᢕᣢ ≀య࠾ࡼࡧ∎㒊ࡢᶍᘧᅗࢆ♧ࡍ㸬⡆༢ࡢࡓࡵ࡟ᢕᣢࡣᖹ 㠃࡛⾜ࢃࢀࡿ࡜௬ᐃࡍࡿ㸬ࡇࡢ࡜ࡁ㸪ᢕᣢ≀యࡣ༙ᚄ r ࡢ෇࡜ࡋ࡚⾲⌧ࡍࡿ㸬෇ࡢ୰ᚰࡢᗙᶆࡣ㸪xc࡜ࡍࡿ㸬∎ 㒊ࡣ4 ࡘࡢ๛యࣜࣥࢡ㸪x0 x 1㸪x1 x 2㸪x2 x 3㸪x3 x 4 ࡜ࡋ࡚㏆ఝࡍࡿ㸬ࡑࢀࡒࢀࡢ㛗ࡉࢆL0㸪L1㸪L2㸪L3࡜ ࡍࡿ㸬ᢕᣢ≧ែࡢ࡜ࡁ࡟ࡣ㸪x2 x 3࠾ࡼࡧx3 x 4ࡀᑐ㇟≀ య࡜᥋ゐࡍࡿ㸬ࡋࡓࡀࡗ࡚㸪ࣜࣥࢡ≀య࡜∎㒊ࡢ᥋ゐุ ᐃࡣ㸪x2 x 3࠾ࡼࡧx3 x 4࡜xc࡜ࡢ㊥㞳ࡀr ௨ୗ࡟࡞ࡿ ࠿࡝࠺࠿ุ࡛ᐃࡍࡿ㸬ࣜࣥࢡx0 x 1㸪x1 x 2㸪x2 x 3㸪x3 x ࡀx ㍈࡜࡞ࡍゅࢆࡑࢀࡒࢀ㸪ȟ0㸪ȟ1㸪ȟ2㸪ȟ3࡜ࡍࡿ㸬 ౑⏝ࡍࡿᑐ㇟≀య࠾ࡼࡧࣁࣥࢻ࡟౑⏝ࡍࡿᶵჾ㸦࢚࢔ࢩ ࣜࣥࢲ࡞࡝㸧ࡢࢧ࢖ࢬࡼࡾxc 㸪x0࠾ࡼࡧr ࡀ᪤▱࡛࠶ ࡿ࡜ࡍࡿ㸬ࡲࡓ㸪௒ᅇࡣࡇࡢ᮲௳ୗ࡛L0㹼L3 , ȟ0, ȟ1 ࡀ᪤▱ࡢࣃ࣓࣮ࣛࢱ࡜ࡋ࡚㸪ȟ2, ȟ3ࢆỴᐃࡍࡿࡇ࡜ࢆ ⪃࠼ࡿ㸬୍⯡࡟ࡣ㸪ࡇࢀࡽࡢ್ࢆ୍ព࡟Ỵᐃࡍࡿࡇ࡜ࡣ ୙ྍ⬟࡛࠶ࡿ㸬ࡋ࠿ࡋ࡞ࡀࡽ㸪ຍᕤୖࡢไ⣙ࡸᢕᣢࡢ㝿 ࡟Ⓨ⏕ࡍࡿ᥋ゐࡢຊࡢ኱ࡁࡉ࡞࡝ࢆ⪃៖ࡋ࡚㸪Ỵᐃࡍࡿ ࡇ࡜࡟࡞ࡿ㸬N ␒┠ࡢⅬxN= [xN,yN]Tࡣୗグࡢࡼ࠺࡟ồ ࡵࡽࢀࡿ㸦N ࡣ 1~4 ࡲ࡛ࡢ⮬↛ᩘ࡛࠶ࡿ㸬ῧ࠼Ꮠࡢ T ࡣ ㌿⨨⾜ิ࡛࠶ࡿࡇ࡜ࢆ♧ࡍ㸧㸬  (1)  (2) ࡓࡔࡋ㸪ゅᗘȘN-1ࡣ㸪          (3) ࡛୚࠼ࡽࢀࡿ㸬ࡇࡢᘧ࡟ᇶ࡙ࡁ㸪㐺ᙜ࡞ȟ2, ȟ3ࢆ㑅ᐃ ࡋ㸪㏲ḟⓗ࡟ィ⟬ࡍࡿ࡜㸪x3 ࠾ࡼࡧx4ࢆồࡵࡿࡇ࡜ࡀ ࡛ࡁࡿ㸬 ᅗ4㸬ᣦ࡜≀యࡢ㛵ಀ ࡇࡇ࡛ᚓࡽࢀࡓx2 x 3࠾ࡼࡧx3 x 4ࡀ෇⟄≧≀య࡜᥋ゐ ࡍࡿ࠿ࢆ⪃࠼ࡿ㸬ࣜࣥࢡx2 x 3ࡢ┤⥺ࡢ᪉⛬ᘧࡣ㸪 ax+by+c = 0 ࡜࠾ࡃ࡜㸪   (4) (5) (6) ࡜࡞ࡿ㸬ࡇࡢ࡜ࡁ㸪 x c= [xc,yc]T࡜ࡍࡿ࡜ࣜࣥࢡx2 x 3 ࡜෇⟄≧≀య࡜ࡢ᥋ゐุᐃࡣ㸪 (7) ࢆ‶ࡓࡍ࠿࡝࠺࠿࡟࡞ࡿ㸬ୖグࡢᘧࢆ‶㊊ࡍࡿሙྜ㸪෇ ⟄≧≀య࡜ࣜࣥࢡx2 x 3ࡣ᥋ゐࡍࡿ㸬ྠᵝࡢ⪃࠼᪉࡟ᇶ ࡙ࡁ㸪ࣜࣥࢡx3 x 4ࡀ෇⟄≧≀య࡜᥋ゐࡍࡿ࠿࡝࠺࠿ࡶ ุᐃࡀྍ⬟࡜࡞ࡿ㸬ࡇࢀࡽࡢᘧ࡟᪤▱ࣃ࣓࣮ࣛࢱࢆ௦ධ ࡍࡿࡇ࡜࡛㸪≀యࡀᢕᣢྍ⬟࡛࠶ࡿ࠿ࢆ᳨ウࡍࡿ㸬ᘧ(7) ࡢ᮲௳ࢆ୙➼ྕ࡜ࡋ࡚࠸ࡿࡢࡣ㸪ᢕᣢ࡟ᚲせ࡞᥋ゐຊࢆ ∎㒊ࡢኚᙧ࡟ࡼࡾᚓࡿࡓࡵ࡛࠶ࡿ㸬ᣦඛࡢᮦ㉁ࡣࡤࡡ㗰 ࢆ᝿ᐃࡋ࡚࠾ࡾ㸪࠶ࡿ⛬ᗘࡢኚᙧࡣチᐜࡉࢀࡿ㸬 ヨసᶵ               ᅗ5 ࡟ヨసࡋࡓࣟ࣎ࢵࢺࣁࣥࢻࢆ♧ࡍ㸬ࡇࡢヨసᶵ࡛ ࡣ㸪࢚࢔ࢩࣜࣥࢲ㸦ࢥ࢞ࢿ࢖〇 ATBDA 25™60㸧㸪ᖹ ⾜ࣁࣥࢻ㸦࣑ࢫ࣑〇FH100sereies F125-D㸧㸪྾╔ࣃࢵ ࢻࢆ⏝࠸ࡓ㸬࢚࢔ࢩࣜࣥࢲ࡛∎㒊ࡢୖୗ㐠ືࢆ㸪ᖹ⾜ࣁ ࣥࢻ࡛∎㒊࡟ࡼࡿᢕᣢືసࢆᐇ⌧ࡋ࡚࠸ࡿ㸬∎㒊ࡣ SUS304 ࡛సᡂࡋࡓ㸬๓⠇ࡢタィᣦ㔪ࢆ㋃ࡲ࠼࡚㸪ᕥྑ 㙾㠃ᑐ㇟ᆺࡢ∎㒊ࡀ㓄⨨ࡉࢀ࡚࠸ࡿ㸬㉁㔞ࡣ∎㒊ࢆྵࡵ ࡚㸪⣙5 kg ࡜࡞ࡗ࡚࠸ࡿ㸬ࣟ࣎ࢵࢺࣁࣥࢻࡢᮏయࡢ኱ࡁ ࡣ㸪㧗ࡉࡀ⣙250 mm㸪ᖜࡀ⣙ 80 mm㸪ዟ⾜ࡁ⣙ 150 mm ࡛࠶ࡿ㸬ヨసᶵࡣ㸪ᕷ㈍ࡢࣟ࣎ࢵࢺ࢔࣮࣒㸦ᕝᓮ㔜ᕤᴗ 〇RS10L㸧ࡢඛ➃࡟ྲྀࡾ௜ࡅࡿ㸬 4

(4)

ᅗ6㸬ᐇ㦂㢼ᬒ  㸬ືసヨ㦂               ᅗ6 ࡟ᮏヨసᶵࢆ฼⏝ࡋࡓ෇⟄≧≀యࡢᦙ㏦౛ࢆ♧ࡍ㸬 ᅗࡢグྕࡣୗグࡢ㐣⛬࡟ᑐᛂࡍࡿ㸬 (a) ㊥㞳ࢭࣥࢧࢆ฼⏝ࡋ࡚㸪ᢕᣢࡍࡿᑐ㇟≀య㸦࣮࣡ࢡ㸧 ࢆỴᐃࡍࡿ㸬 (b) ᢕᣢࡍࡿ࣮࣡ࢡࡢୖ࡟ࣟ࣎ࢵࢺࣁࣥࢻࡀ⛣ືࡍࡿ㸬 (c) ྾╔ࣃࢵࢻࢆ࣮࣡ࢡ࡟ᢲࡋࡘࡅ࡚྾ᘬࡍࡿ㸬 (d) ࣮࣡ࢡࢆᣢࡕ࠶ࡆࡿ㸬 (e) ∎㒊ࢆ࣮࣡ࢡࡢ఩⨨ࡲ࡛ୗࡆࡿ㸬 (f) ࣮࣡ࢡࢆ∎㒊࡛ᢕᣢࡍࡿ㸬 (g) ᢕᣢᚋ㸪ࣟ࣎ࢵࢺ࢔࣮࣒ࢆື࠿ࡍ㸬 (h) ᐃࡵࡽࢀࡓ఩⨨࡟࣮࣡ࢡࢆ⨨ࡃ㸬 ᅗ࡟♧ࡍࡼ࠺࡟㸪ᮏ◊✲࡛ヨసࡋࡓࣁࣥࢻࢆ฼⏝ࡋ࡚ ෇⟄≧≀యࢆᢕᣢ࣭ᦙ㏦ྍ⬟࡛࠶ࡿࡇ࡜ࢆ☜ㄆࡋࡓ㸬㐣 ⛬(a)ࡢ㝿࡟㸪ᑐ㇟≀యࡢ఩⨨ࡸྥࡁࢆㄗ᳨ฟࡋ࡚ࡋࡲ࠺ ྍ⬟ᛶࡀ࠶ࡾ㸪ࡑࡢ㝿㸪㐣⛬(d)ࡲࡓࡣ㐣⛬(e)ࡢ࠸ࡎࢀ࠿ ࡀṇࡋࡃ᏶஢ࡋ࡞࠸㸬ࡇࢀࡣ྾╔ࣃࢵࢻࡢᅽຊኚ໬ࢆ᳨ ฟࡍࡿࡇ࡜࡛㸪ᡂຌࡢྍྰࢆุูࡍࡿࡇ࡜ࡀ࡛ࡁࡿ㸬 㸬ࡲ࡜ࡵ ᮏሗ࿌࡛ࡣ㸪෇⟄≧≀యࢆᢕᣢ࣭ᦙ㏦ࡍࡿࡓࡵࡢࣟ࣎ ࢵࢺࣁࣥࢻࢆタィ࣭〇సࡋࡓ㸬ᐜჾෆ࡟஘㞧࡟⨨࠿ࢀࡓ ᑐ㇟≀ࢆᢕᣢࡍࡿࡓࡵ࡟㸪྾╔ࣃࢵࢻ࠾ࡼࡧ㔠ᒓ〇ࡢ∎ 㒊࡟᭷ࡍࡿࣁࣥࢻ࡜ࡋࡓ㸬∎㒊ࡢタィࢆ⡆౽࡞ࡶࡢ࡟ࡍ ࡿࡓࡵ࡟ࡣ㸪ᑐ㇟≀య࡜∎㒊ࡢ᥋ゐ≧ែࢢࣛࣇࡢࣀ࣮ࢻ ᩘࢆῶࡽࡍᚲせࡀ࠶ࡿ㸬ࡑࡇ࡛㸪∎㒊࡛ᑐ㇟≀యࢆᢕᣢ ࡍࡿ๓࡟㸪࠶ࡽ࠿ࡌࡵ྾╔ࣃࢵࢻ࡛ᑐ㇟≀యࢆᣢࡕୖࡆ㸪 ∎㒊ࡀᑐ㇟≀య௨እ࡜᥋ゐࡋ࡞࠸సᴗ᪉⟇ࢆᑟධࡋࡓ㸬 ࡲࡓ㸪྾╔ࣃࢵࢻ࡛ᑐ㇟≀ࢆᣢࡕୖࡆࡿ࡜ࡁ࡟㸪∎㒊࡜ ᑐ㇟≀ࡀᖸ΅ࡋ࡞࠸ࡼ࠺㸪∎㒊ࢆୖୗ࡟㐠ືࡉࡏࡿタィ ࡜ࡋࡓ㸬∎㒊ࡢᮦ㉁ࡣࡤࡡ㗰࡜ࡋࡓ㸬㐠ື୰࡟∎㒊ࡀᢕ ᣢࡋ⥆ࡅࡿࡇ࡜ࢆ┠ᶆ࡟㸪∎㒊ࡢᙧ≧ࢆタィ࣭〇సࡋࡓ㸬 ᐇ㦂ࢆ㏻ࡋ࡚ࣁࣥࢻࡢ᭷ຠᛶࢆ☜ㄆࡋࡓ㸬  ㅰ㎡ ᮏ◊✲ࡣ㸪ࢩࢢ࣐ᰴᘧ఍♫࡜ࡢඹྠ◊✲ࡢᡂᯝ࡛࠶ࡿ㸬 ࡲࡓ㸪ᮏ◊✲ࡢ୍㒊ࡣඖᮌຬྩࡢ༞ᴗ◊✲࡟ᇶ࡙࠸࡚࠸ ࡿ㸬ࡇࡇ࡟ㅰពࢆ⾲ࡍࡿ㸬  ཧ⪃ᩥ⊩ 㸦1㸧ᕝᓮᬕஂ, ẟ฼ဴஓ, ఀ⸨⪽, ୗᮧᑦஅ, ᯇἼಇᐉ, ⰼ⏣ఙ, ᮾ㍤᫂,͆ே㛫ᆺࣟ࣎ࢵࢺࣁࣥࢻ Gifu Hand III͇, ᪥ᮏࣟ࣎ࢵࢺᏛ఍ㄅ, Vol. 22, No. 1, pp. 55-56, 2004. 㸦2㸧⏣ཎ೺஧, ᭷ᮏ༟, ྜྷ⏣Ᏺኵ,͆ᰂ㌾ 3 ᣦࣁࣥࢻ࡟ࡼ ࡿ௬᝿ࣇ࣮࣒ࣞࢆ⏝࠸ࡓᢕᣢ≀యࡢእ⏺ࢭࣥࢧࣞࢫ ఩⨨࣭ጼໃไᚚ͇,᪥ᮏࣟ࣎ࢵࢺᏛ఍ㄅ, Vol. 29, No. 1, pp. 89-98, 2011. 㸦3㸧㔠Ꮚ┿, ௒ᮧಙ᫛, ᶓ஭୍ோ, ㇂Ụ࿴㞝,͆ᦶ᧿ࢆ⪃

(5)

៖ࡋࡓከᣦࣁࣥࢻࡢ๛ᛶࣔࢹࣝ࡟ࡼࡿᏳᐃᢕᥱゎ ᯒ͇, ᪥ᮏࣟ࣎ࢵࢺᏛ఍ㄅ, Vol. 7, No. 3, pp. 161-171, 1989.

㸦4㸧G. J. Monkman, S. Hesse, R. Steinmann, H. Schunk, “Robot Grippers”, Wiley-VCH Verlag GmbH & Co. KGaA, 2007.

㸦5㸧ᰘ⏣⍞✑㸪ኴ⏣๛ኈ㸪ᖹ஭ៅ୍㸪͆᦬ࡳ⁥ࡾືసࢆ ฼⏝ࡋࡓᕸᆅࡢᒎ㛤ືస͇㸪᪥ᮏࣟ࣎ࢵࢺᏛ఍ㄅ㸪 Vol.27, No.9, pp.67-74㸪2009.

㸦6㸧ᖹ஭ៅ୍, ⱝᯇᰤྐ, ͆ࣁࣥࢻࣜࣥࢢᕤᏛ͇, ࢥࣟ ࢼ♫, 2005.

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