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building a rope bridge with flying machines
Bookmarked 546 weeks ago building a rope bridge with flying machines in the eth zurich flying machine arenathe video shows quadrocopters autonomously assembling a rope bridge this is part of a body of research in aerial construction a field that addresses the construction of structures with the aid of flying machinesin this work a rope bridge that can support the crossing of a person is built by quadrocopters showing for the rst time that small ying machines are capable of autonomously realizing load-bearing structures at full-scale and proceeding a step further towards real-world scenarios except for the required anchor points at both ends of the structure the bridge consists exclusively of tensile elements and its connections and links are entirely realized by ying machines spanning 74 m between two scaffolding structures the bridge consists of nine rope segments for a total rope length of about 120 m and is composed of different elements such as knots links and braids the rope used for these experiments is made out of dyneema a material with a low weight-to-strength ratio and thus suitable for aerial construction of little weight 7 g per meter a 4 mm diameter rope can sustain 1300 kgthe vehicles are equipped with a motorized spool that allows them to control the tension acting on the rope during deployment a plastic tube guides the rope to the release point located between two propellers the external forces and torques exerted on the quadrocopter by the rope during deployment are estimated and taken into account to achieve compliant ight behaviorin order to be able to design tensile structures that are buildable with flying robots a series of computational tools have been developed specifically addressing the characteristics of the building method the design tools allow to simulate sequence and evaluate the structure before buildingthe location of the scaffolding structure is measured before starting the construction the primary and bracing structure can then be realized without human intervention before realizing the stabilizers the locations of the narrow openings of the bridge are measured and input to the system which adapts the trajectories accordinglymore information and related publications can be found on the project website:http:wwwidscethzchresearch-dandrearesearch-projectsaerial-constructionhtml http:wwwgramaziokohlerarchethzchwebeforschung240htmlrelated robohub article: http:robohuborgwatch-flying-machines-weave-a-rope-bridge-you-can-walk-on creditsaerial construction is a collaboration between the institute for dynamic systems and control and gramazio kohler research at eth zurich switzerland 2015 researchersfederico augugliaro ammar mirjan fabio gramazio matthias kohler and raffaello d039andrea with contributions frommaximilian schulz marc-andr corzillius michael egli gregy huber timon winkler emanuele zarfati mina kamel gregory bttig alexander selwa evan wilson and augusto gandia locationeth zurich flying machine arena - http:wwwflyingmachinearenaorg acknowledgmentsthis work is supported by and builds upon prior contributions by numerous collaborators in the flying machine arena project see http:wwwflyingmachinearenaorgthis work was supported by the hartmann mller-fonds on eth research grant eth-30 12-1 and by the snsf swiss national science foundation |
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unlock iphone 6s network the easy way how to tutorial amp instructions
Bookmarked 542 weeks ago how to unlock iphone 6s and iphones 6s plus to work on other networks follow this easy tutorialinstructions and your iphone 6s or 6s will be unlocked permanently the process is fast east and 100 guaranteedmost iphones will come carrier locked and cannot be used unless its is quotunlockedquot cellunlockernet allows you to unlock your iphone 6s plus so you can use sim cards from other carriers internationally or even locally from other service providers we use the exact same method carriers will charge you 50 dollars and upwardswe can solve the activation require message and sim not valid messageunlock iphone 6s: http:wwwcellunlockernetunlock-iphone-6sphpunlock iphone 6s plus: http:wwwcellunlockernetunlock-iphone-6s-plusphpfollow usyoutube: https:wwwyoutubecomusercellunlockernetfacebook: https:wwwfacebookcomcellunlockernetgoogle: https:plusgooglecomcellunlockernetpoststwitter: https:twittercomcellunlockernet |
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virginia group homes for adults with disabilities is best 21 century business
Bookmarked 396 weeks ago get consultation now visit our website at http:nbhsllccom and ph: 8002142611pursuant to 372-405 dbhds licenses public and private providers of community services throughout virginia dbhds licenses services that provide treatment training support and habilitation to individuals who have mental illness developmental disabilities or substance abuse disorders to individuals receiving services under the medicaid dd waiver or to individuals receiving services in residential facilities for individuals with brain injuriesnbhs of georgia is one of the worlds leading management consulting firms we work with everyday people to help them plan differently create residual income and realize business ownership with more than 20 years of industry experience we have empowered hundreds and even thousands to turn in keys and badges realized new titles like owner and ceo also to employ a lifestyle they never envisionedour personal care business models include but are not limited to: |
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fetching omnicopter
Bookmarked 426 weeks ago fetching omnicopterwe have developed a computationally efficient trajectory generator for six degrees-of-freedom multirotor vehicles ie vehicles that can independently control their position and attitude the trajectory generator is capable of generating approximately 500039000 trajectories per second that guide the multirotor vehicle from any initial state ie position velocity and attitude to any desired final state in a given time in this video we show an example application that requires the evaluation of a large number of trajectories in real time multirotor vehiclethe multirotor vehicle used in the demonstration is an omni-directional eight-rotor vehicle its unique actuator configuration gives it full force and torque authority in all three dimensions allowing it to fly novel maneuvers for more details please refer to the youtube video or the research paper:- quotthe omnicopterquot: https:youtubesii80lmljsy- quotdesign modeling and control of an omni-directional aeria |
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allen west: occupy wall street has ties to communists nazis mlk would not have supported it
Bookmarked 750 weeks ago rep allen west r-fla said the occupy wall street movement was quotlaughablequot for its quothypocrisyquot and alleged that the movement had ties to the communists and nazis in an interview tuesday night with conservative media outlet newsmax quoti think the hypocrisy of this movement is somewhat laughablequot he said |
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iawa supported amar cine production for their film 039039love you zindagi039039 1st day shoot
Bookmarked 452 weeks ago iawa supported amar cine production039s for their first film 039production no 1039 tentatively titled quotlove you zindagiquot shooting for this film is going on in mudh island since last two days wherein newcomers rahul chaudhary akansha pradhan both artists of iawa innovative artists welfare association along with jeetender bhardwaj and daljeet kaur are main artists other artists kalyanjana shashank of mr and miss iawa 2016 have also played significant role other iawa artist will be joining later on film is being produced by amarjeet singh and krish pillai manish dabral the creative director of the film and kritika sharma the director and dop is unmesh kabre |