ByEvanAckerman30Sep201515:40GMTHarvard'sRobotBeeIsNowAlsoaSubmarine
輸液醫(yī)廢分揀機(jī)器人Image:WyssInstitute/HarvardUniversityGoneswimmin'.
Forthelastseveralyears,Harvardhasbeendevelopingarobotbee.They’vedonesomeimpressivework:theirsub-paper-clip-sized,100-milligramflapping-wingmicroaerialvehicleisfullycontrollabledowntoastableautonomoushover.It’sstilltetheredforpower,andthere’snoonboardautonomouscontrol,buttherobotflapsitswingsandflieslikeaninsect,whichisawesome.
Tinyroboticbugshavelotsofpotentialforsearchandrescue,surveillance,andexploration,butwhat’sbeenalltheragerecentlyisadaptivemulti-modalrobotics:robotsthatcancreativelyhandleacombinationofterrains,makingthemmuchmoreversatile.Withsomeexceptions,robotsareusuallyprettybadatthis,andwithsomeexceptions,humansandanimalsaretoo.Therearegroundrobotsthatcanhandlewater,andafewflyingrobotsthataren’ttotallyhelplessontheground,butsofar,wehaven’tseenmuchinthewayofflyingrobotsthataregoodswimmers.
YesterdayatIROS,Harvardresearcherspresentedapaperdescribinghowtheymanagedtogettheirroboticbeetoswim,whichI’mprettysureisnotathingthatevenrealbeesareknownfordoing.Withnohardwaremodificationsatall,Harvard’sRoboBeecanflythroughtheair,crashlandinthewater,andturnintoalittlesubmarine.Youknowwhatthatmeans:nowhereissafefromrobotbees.
Photo:WyssInstitute/HarvardUniversityHarvard’sRoboBee.
Thingstokeepinmindaboutthesevideos:RoboBeeissmallenoughtositonthetipofyourfinger,andlightenoughthatyou’dbarelyfeelitifitwas.Whenitflies(orswims),it’sdoingsounderfullcontrol:amotioncapturesystemtracksitsposition,andsendstrajectorycommandstotherobot.Thisworksinbothairandwater,andRoboBee’smethodofentry(apitchover,dive,crash,andsink)isdeliberate.Also,thehoveringatthebeginningofthefirstvideobelowlooksalittlebitwonky,butthat’sbecauseRoboBeestillhassomewateronitswingsfromprevioustests(amorestablehoverisshowninthatsamevideo,afterthedivingsequence,andthesecondvideobelowhasmoredetailsabouttheexperiments).
Thekeyrealizationhereisthatswimmingisactuallyalotlikeflying:inbothcases,you’retryingtopropelyourselfthroughafluidbymovingawing(orfin)backandforth.Tofly(andparticularlytohover)youneedtodothisveryquickly,buttoswim,it’samuchmorerelaxedmotion.It’sfundamentallythesamemotion,though,andyoucanachieveitwiththesamebasichardware.InthecaseofRoboBee,toflyinairitflapsitswingsat120Hz,whiletoswiminwateritflapsitswingsatjust9Hz.Otherwise,threeaxistorquecontrolisverysimilar,meaningthattherobotcanbesteeredaroundinthewater,too.
廣州自動(dòng)分揀機(jī)器人廠家OneuniqueproblemthatRoboBeehaswiththewaterentryisthatit’ssosmallthatthesurfacetensionofthewaterisenoughtokeepitfromsubmerging.Thisispartofthereasonthatithastocrashlandinwater[right](italsoneedstohaveitswingstreatedwithasurfactanttohelpitsink).AfullyloadedRoboBee(withabatteryonboard)mightbeheavyenoughtoavoidthisproblem,butatthispoint,it’sstillanissue.Alsostillanissueisthewholewater-airtransition,whichseemslikeit’ssignificantlymoredifficultthangoingfromairtowater,butwe’vebeenassuredthattheresearcherswillbetacklingthisinfuturework.
小黃車分揀機(jī)器人的優(yōu)缺點(diǎn)“HybridAerialandAquaticLocomotioninanAt-ScaleRoboticInsect,”byYufengChen,E.FarrellHelbling,NickGravish,KevinMa,andRobertJ.WoodfromtheWyssInstituteforBiologicallyInspiredEngineeringatHarvardUniversitywaspresentedthisweekatIROS2015inHamburg,Germany.
翻譯僅供參考
哈佛大學(xué)的機(jī)械蜜蜂此刻還能潛水harvard機(jī)械人蜜蜂此刻也是一個(gè)submarine
圖象：威斯研究所/哈佛大學(xué)往泅水和#39；。正在過(guò)往的幾年里，哈佛一直正在開(kāi)辟一個(gè)機(jī)器人蜜蜂。他們皆做了一些使人印象深刻的事情；其子回形針巨細(xì)，100毫克的撲翼微型飛行器是完整可控的下降到一個(gè)穩(wěn)固的自立懸停。我仍舊拴權(quán)利；有rsquo；沒(méi)有星上自立掌握，但機(jī)器人拍打著同黨像蟲(chóng)豸，這是真棒。
微型機(jī)器人的毛病有許多潛正在的搜索和救濟(jì)，監(jiān)控，和探索，但取rsquo；的風(fēng)行近來(lái)的自適應(yīng)多模態(tài)機(jī)器人：機(jī)器人能創(chuàng)造性地處置相結(jié)合的地形，使它們?cè)桨l(fā)靈敏。正在一些破例情況下，機(jī)器人通常是很欠好的，并且有一些破例，人類和植物全是如斯。有空中機(jī)器人能夠處置水，和一些航行機(jī)器人是rsquo；不完全無(wú)助于空中，但到目前為止，我們還沒(méi)有看到太多的ldquo；航行機(jī)器人是好的泅水體式格局。；/P
生產(chǎn)分揀機(jī)器人企業(yè)食品分揀機(jī)器人排行榜昨天正在IROS，哈佛研究人員宣布了一篇論文，描寫(xiě)他們?nèi)艉卧O(shè)法獲得他們的機(jī)器人蜜蜂泅水，我正在此中；必定不管是一件真正的蜜蜂被稱為干。沒(méi)有正在所有的硬件修正，哈佛rsquo；的robobee能夠正在空中飛翔，正在水上迫降，而變成了一個(gè)小潛艇。您了解這意味著什么：沒(méi)有寧?kù)o由機(jī)器人蜜蜂。
photo：；Wyss研究所/哈佛universityharvardrsquo；的robobee。
實(shí)現(xiàn)的關(guān)鍵是，泅水其實(shí)是許多像飛一樣：正在這里兩種情況下，您正正在試圖推進(jìn)本身；經(jīng)由過(guò)程流體的活動(dòng)機(jī)翼您需求很快地保證這一點(diǎn)，但泅水，這是一個(gè)更寬松的活動(dòng)。這是從根本上不異；；活動(dòng)，雖然，您能夠用不異的根基硬件實(shí)現(xiàn)。正在robobee案例，飛正在氛圍中扇動(dòng)的同黨正在120赫茲，而正在水中游動(dòng)，它扇動(dòng)的同黨正在9赫茲。不然，三軸轉(zhuǎn)矩操縱是很是相似的，這意味著機(jī)器人能夠把四周的水，太。
一個(gè)怪異的題目，robobee取入水是rsquo；太小，水的表面張力，足以讓它沉沒(méi)。這是一部分的緣由，它已潰逃的地盤(pán)，水，[權(quán)益]（它也和需要有它的同黨處置懲罰取表面活性劑，以協(xié)助它下沉）。一輛滿載robobee也許足以制止這個(gè)題目，但正在這一點(diǎn)上，這仍然是一個(gè)題目。還一個(gè)題目是全部氣水過(guò)渡，這好像rsquo；的比由氛圍水更難題，然則我們一向定心；研究人員將辦理這個(gè)正在之后的工作中。
并聯(lián)分揀機(jī)器人工作原理智能分揀機(jī)器人購(gòu)買(mǎi)快遞分揀機(jī)器人需要什么工作