ETRobotsMimicDisappearingCockroaches
ThisisanAmericancockroachunderaledge.Credit:Jean-MichelMongeauandPaulineJennings.CourtesyofPolyPEDALLabUCBerkeley.Viewfullsizeimage
Arobotthatcopieshowcockroachesandgeckoscandisappearunderledgesintheblinkofaneyecouldleadtosearch-and-rescuedroidswithanimal-likemaneuverability,researcherssay.
ScienTIstsregularlylooktonatureforinspiraTIonwhendesigningrobots,withthehopeoflearningfrommillionsofyearsofevoluTIon.Recentexamplesincludedroidsthatmimicthecheetah‘sstrideorthelegsofvelociraptor.
Whilemonitoringacockroachwithhigh-speedvideocamerastoseehowitcrossedgapswhilerunningathighspeeds,“weweresurprisedtofindtheinsectgone,”saidresearcherRobertFull,anintegraTIvebiologistattheUniversityofCaliforniaatBerkeley.
“Aftersearching,wediscovereditupside-downundertheledge,”Fullsaid.“Aftercloseinspectionofthevideo,wesawthatthecockroachwasusingitslegsasgrapplinghooksbyengagingitsclawsatthetipoftheledge.”
[BugJuice:TurningRoachesintoLivingFuelCells]
Thescientiststhensawthatgeckosinthelabcouldalsorunoffledgesatfullspeedandcarryoutthispendulumlikeflip,dubbed“rapidinversion,”usinghookliketoenailstoswingthemselvesfullyaroundtolandfirmlyontheundersidesofplatforms.TheresearchersthencontactedintegrativebiologistArdianJusufiwhowasstudyinggeckosinthefieldintherainforestsofSingaporetoseeifthelizardsdoveoverledgesthesamewayinthewild.
“Wewonderedwhetherthiswasabehaviorreallyusedinnaturetoescapepredators,”Fullsaid.“Tohissurprise,hefoundthatageckochasedtotheendofabrokenBird’sNestFernleafalsodisappeared.Usinghigh-speedvideo,heshowedthatgeckosusedrapidinversion,justasobservedinthelaboratory.”
Apparentlytheanimalscangrabanedgewiththeirclaws—sometimesusingonlyoneleg,inthecaseofroaches—andretain75percentoftheirrunningenergyastheyswinglikependulumsbeneathit.Theyexperienceaboutthreetofivetimestheforceofgravitywiththeflip,similartowhathumansfeelatthebottomofabungeejump,saidresearcherJean-MichelMongeauattheUniversityofCaliforniaatBerkeley.
Thesefindingsnotonlyexplainwhytinyanimalpestswechaseattimesseemtodisappear,buthelpeddeveloparobotcapableofthemaneuver.Theresearchersmodifiedtheirsix-leggedcockroach-inspiredDASH—DynamicAutonomousSprawledHexapod—byattachingVelcrohookstoitsbacklegs.AftertheygluedVelcroloopsnearandunderneathaledge,theyfoundDASHcouldduplicatetheacrobaticmove.
“Theflipdemonstratesaprincipleofhowwemightmakesmallrobotsmoreagileandmaneuverable,”Fullsaid.“Ultimately,ifwewantsearch-and-rescuerobotstoassistfirstrespondersintherubbleleftafteranearthquake,tornadoorexplosion,orhavegreatercapabilitytomorerapidlydetectchemical,biologicalornuclearhazards,wemustbuildfarmoreagilerobotswithanimal-likemaneuverability.”
Aftercockroachesandgeckosflipoverledges,theycanthencontinuetorunupside-downundersurfaces.“Therobotmightbeabletodosointhefuture”aswell,F(xiàn)ullsaid.
ThescientistsdetailedtheirfindingsonlineJune6inthejournalPLoSONE.
主動(dòng)翻譯僅供參考
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ETRobots仿照消散Cockroaches
圖片來(lái)歷:讓-米歇爾·Mongeau和保羅·詹寧斯。規(guī)矩PolyPEDAL實(shí)驗(yàn)室加州大學(xué)伯克利分校。檢察原圖這是下一個(gè)窗臺(tái)的美洲大蠊。
那份若何甲由和壁虎能在在眨眼間窗臺(tái)消逝也許致使搜索和救濟(jì)機(jī)器人植物般的機(jī)動(dòng)性的機(jī)器人,研究人員說(shuō)。
科學(xué)家們常常探求大自然的靈感正在設(shè)計(jì)機(jī)械人時(shí),取數(shù)百萬(wàn)年的進(jìn)化進(jìn)修的期待。近來(lái)的例子包孕仿照獵豹的步幅和迅猛的腿機(jī)械人。
當(dāng)監(jiān)測(cè)甲由用高速攝像機(jī)來(lái)看看它是如何正在高速行駛時(shí),取此同時(shí)運(yùn)轉(zhuǎn),取超出差異,我們?cè)尞惖匕l(fā)現(xiàn)了蟲(chóng)子,說(shuō)研究員羅伯特完全,一個(gè)綜合生物學(xué)家正在加州大學(xué)伯克利分校。
搜索后,我們發(fā)明它的窗臺(tái)下倒置,齊說(shuō)。視頻的仔細(xì)檢查以后,我們看到甲由用它的腿是經(jīng)過(guò)參與它的爪子正在窗臺(tái)的一角抓鉤
閃兔分揀機(jī)器人毛病汁:說(shuō)到甲由進(jìn)入生活燃料電池BugJuice:TurningRoachesintoLivingFuelCells然后,科學(xué)家看到,正在實(shí)驗(yàn)室壁虎還能夠流掉壁架全速進(jìn)行這項(xiàng)pendulumlike翻轉(zhuǎn),被稱為快速反轉(zhuǎn),用鉤狀腳趾甲擺動(dòng)本人完整各地要結(jié)實(shí)降落正在平臺(tái)下側(cè)。研討人員隨后聯(lián)系了綜合生物學(xué)家ArdianJusufi誰(shuí)正正在研討壁虎正在外埠新加坡的熱帶雨林,看是不是蜥蜴鳩占壁架以一樣的方法正在野外
分揀機(jī)器人識(shí)別技術(shù)我們不知道這是不是是一個(gè)行動(dòng)真正用在實(shí)質(zhì)回避敵害,齊說(shuō)。令他受驚的是,他發(fā)覺(jué),追逐一個(gè)破裂的鳥(niǎo)巢蕨葉年末壁虎還消逝了。接納高速錄相,他發(fā)覺(jué),壁虎適用于快速反轉(zhuǎn),就如同在實(shí)驗(yàn)室里觀查和;
顯然,植物能夠捉住他們的爪子&mdash邊沿;有時(shí)只用一條腿,正在甲由&mdash的情況下并保存75%的事情能量,由于他們就像擺正在它下面擺。他們閱歷的重力約莫三到五倍力翻蓋,類似于人類感到的蹦極跳的底部,研究人員示意,讓-米歇爾·Mongeau正在加州大學(xué)伯克利分校。
這一些發(fā)明不只詮釋了為何渺小的植物害蟲(chóng),我們有時(shí)追逐好像消散了,但作用開(kāi)辟能夠靈活的機(jī)器人。研究人員建改了六條腿甲由氣概的DASH—靜態(tài)自治趴六足—根據(jù)將鉤把戲貼其后腿。以后,他們粘把戲貼環(huán)路四周,窗臺(tái)底下,他們發(fā)明DASH能夠復(fù)制的雜技挪動(dòng)。
u0026;翻蓋展現(xiàn)了我們?nèi)艉巫屝C(jī)器人更靈敏和可操作性,主旨齊說(shuō)。末了,假如我們想要搜索和救濟(jì)機(jī)器人,以贊助地動(dòng),龍卷風(fēng)或爆炸后留下的廢墟第一響應(yīng)者,或有更大的才能,以更迅速地探測(cè)化學(xué),生物或核武器的傷害,我們必需設(shè)立建設(shè)更加靈敏的機(jī)器人植物般的機(jī)動(dòng)性和;
快遞分揀機(jī)器人結(jié)構(gòu)后甲由和壁虎翻過(guò)窗臺(tái),他們就能夠持續(xù)運(yùn)轉(zhuǎn)在表面上倒置。機(jī)器人大概可以那樣干,未來(lái)與此同時(shí),齊說(shuō)。
科學(xué)家們具體引見(jiàn)了他們的發(fā)覺(jué)正在線6月6日正在PlosOne中.
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