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Development of an In-Flight-Deployable Micro-UAV

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dc.contributor.author Tao, Toby S.
dc.contributor.author Hansman, R. John
dc.date.accessioned 2016-02-25T21:19:04Z
dc.date.available 2016-02-25T21:19:04Z
dc.date.issued 2016-02-25
dc.identifier.uri http://hdl.handle.net/1721.1/101283
dc.description.abstract A micro-UAV system was developed to be deployed from a host aircraft at normal jet cruise conditions (between 25,000 and 35,000 feet altitude and Mach 0.8) using the standard MJU-10/B countermeasure flare form factor. The system (measuring 49mm × 62mm × 180mm) fits in the flare canister in place of the chaff. The 220-gram battery-powered, pusher-propelled UAV has folding tandem wings with elevon control surfaces on the rear wing. A case protects the UAV during ejection. In freefall, the system is stabilized and decelerated with a drag streamer to approximately 40 m/s, when the case opens and the vehicle unfolds. The UAV was designed to maximize endurance while station-keeping in 30 m/s winds. Estimated level-flight endurance at 30,000 feet carrying a 10-gram payload is 45 minutes with greater endurance at lower altitudes. Up to 45 minutes of glide endurance can be achieved depending on deployment altitude. The small dimensions and low Reynolds number of the wings required manufacturing constraints to be considered in the airfoil design to prevent laminar separation which impacted controllability. Compact folding mechanisms were designed to enable wing folding. An elevon control mechanism was designed to engage automatically with the control surface when the rear wing unfold. Ejection shock, deployment, and flight tests were conducted to demonstrate the feasibility of the concept. en_US
dc.description.sponsorship This work was supported by the MIT Lincoln Laboratory and the US Air Force under contract as part of the MIT Beaver Works collaboration. en_US
dc.relation.ispartofseries ;AIAA-2016-1742
dc.subject micro-UAV en_US
dc.subject in-flight deployment en_US
dc.subject power-system sizing en_US
dc.title Development of an In-Flight-Deployable Micro-UAV en_US
dc.type Presentation en_US


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