Abstract: An example unmanned aerial vehicle includes a power source, a processor module having one or more processors, and a plurality of boom arms, each boom arm being couplable to a printed circuit board (PCB) and a plurality of propellers. In the example UAV, a PCB of each boom arm includes a power hub electrically couplable to the power source and to corresponding propellers of the boom arm, and a signal hub electrically couplable to at least one processor of the processor module and to the corresponding propellers. Further, in the example UAV, the power hub of each PCB is configured to transfer power from the power source to the corresponding propellers, and wherein the signal hub of each PCB is configured to transfer signals from the processor module to the corresponding propellers such that the processor module controls the plurality of propellers.

Abstract: An example system includes an aerial vehicle, a sensor, and a winch system. The winch system includes a tether disposed on a spool, a motor operable to apply a torque to the tether, and a payload coupling apparatus coupled to the tether and configured to mechanically couple to a payload. The system also includes a repositioning apparatus configured to reposition the payload coupling apparatus in at least a horizontal direction. A control system is configured to control the aerial vehicle to deploy the payload coupling apparatus by unwinding the tether from the spool; receive, while the aerial vehicle hovers above the payload and from the sensor, data indicative of a position of the payload coupling apparatus in relation to the payload; and reposition, using the repositioning apparatus and based on the data, the payload coupling apparatus in the horizontal direction to mechanically couple to the payload.

Abstract: Example implementations may relate to door-enabled loading and release of payloads in an unmanned aerial vehicle (UAV), which could be a type of UAV in a group of UAVs that is assigned to carry out certain transport tasks. In particular, the UAV may include a fuselage having a first side and a second side, as well as a chamber formed within the fuselage and arranged to house a payload. A first door may be arranged on the first side of the fuselage, such that an opening of the first door enables loading of the payload into the chamber. And a second door may be arranged on the second side of the fuselage, such that an opening of the second door enables release of the payload from the chamber. Moreover, the UAV may include a control system configured to control flight of the UAV, and possibly opening and/or closing of door(s).

Abstract: A computer implemented method of distributing noise exposures to unmanned aerial vehicles (UAVs) over a neighborhood includes: receiving flight routing requests to fly the UAVs over the neighborhood; accessing a noise exposure map stored in a noise exposure database in response to the flight routing requests; and generating new flight paths for the UAVs over the neighborhood that load level additional noise exposures that the new flight paths will contribute to the noise exposure map. The noise exposure map includes noise exposure values indexed to properties within the neighborhood. The noise exposure values quantify cumulative noise exposures of the properties due to historical flight paths of the UAVs over the neighborhood.

Abstract: A technique of controlling tonal noises produced by an unmanned aerial vehicle (UAV) includes generating thrust with a plurality of rotor units mounted to the UAV to propel the UAV into flight. Each of the rotor units includes a bladed rotor. A rotation rate or a phase delay of at least one of the rotor units is adjusted relative to another of the rotor units. The adjustment causes a spread in the tonal noises generated by the rotor units.

Abstract: An example method of manufacturing a wing includes providing a wing frame. The wing frame includes a primary spar, a drag spar, a plurality of transverse frame elements having at least one spar joiner, and a plurality of mounting elements. The primary spar is coupled to the drag spar via the at least one spar joiner. The method further includes placing the wing frame into a mold, wherein the mold defines a shape of the wing. The method also includes injecting the mold with an air-filled matrix material, such that the air-filled matrix material substantially encases the wing frame and fills the defined shape of the wing, and such that the plurality of transverse frame elements provide torsional rigidity to the wing.

Abstract: A capturing hook for engaging a cable during capture and release of an aerial vehicle may comprise a first and second gate pivotally supported at their first ends by a base portion and each being movable between a closed position and an open position, but spring-biased to the closed position. The capturing hook may further include a latch device comprising a movable locking part biased by a return spring to a locked position to lock the second gate in the closed position.

Abstract: An example tote package is disclosed for carrying a load external to a UAV. The tote package may be generated by folding a sheet of material. The sheet may include a middle section, a first side section, and a second side section. When the sheet is folded, the middle section may create a bottom portion of the tote package. Additionally, the first side section may create a first side portion tapering up from the edge of the bottom portion to the middle of the top portion of the tote package. Furthermore, the second side section may create a second side portion tapering up from the opposite edge to the middle of the top portion. At the top portion, the first and second sections may connect to create a handle. The first side, second side, and middle sections may be folded to create front and back portions of the tote package.

Abstract: Systems and methods for assembling Unmanned Autonomous Vehicle (UAV) are disclosed herein. In one embodiment, a method for assembling a UAV includes connecting a wing spar with boom carriers to form an H-frame. The wing spar provides mounting locations for securing horizontal propulsion units, and the boom carriers provide mounting locations for securing vertical propulsion units. The method also includes attaching a fuselage body to the wing spar; attaching a pre-formed wing shell to the H-frame; and attaching pre-formed individual boom shells to their corresponding boom carriers. The H-frame provides structural frame for mounting the wing shell and the boom shells.

Abstract: Systems for wing structure and attachment to frame for Unmanned Autonomous Vehicle (UAV) are disclosed herein. In one embodiment, a UAV includes an H-frame having a wing spar secured to two or more boom carriers. The wing spar includes two or more mounting locations, where each of the two or more mounting locations of the wing spar secures a horizontal propulsion unit. The boom carriers include a plurality of mounting locations, each of the plurality of mounting locations of the boom carriers securing a vertical propulsion unit. The UAV also includes a pre-formed wing shell attached to the H-frame.

Abstract: An example package is disclosed for carrying a load external to a UAV. The package may be generated by folding a sheet of material and include a cavity formed by a top surface section, a bottom surface section, a first side surface section, a second side surface section, a leading edge section, and a trailing edge section of the sheet. The top surface section may include an attachment feature for attaching the package to the UAV. The leading edge section may include leading edge surfaces formed from folds along creases of the sheet to define a front end of the cavity and deflect airflow over a top surface and under a bottom surface of the package. The trailing edge section may include upper and lower surfaces formed from folds along creases and extend from the top and bottom surfaces to intersect and define a back end of the cavity.

Abstract: An energy dispersion plug for use in an unmanned aerial vehicle (UAV) includes a blunt head section, a wedge section, and a rim section. The blunt head section has an outer side for receiving an impact force and an inner side opposite the outer side. The wedge section has a base end and a distal end opposite the base end. The wedge section extends at the base end from the inner side of the blunt head section towards the distal end and the distal end has a smaller cross-sectional area than the base end. The wedge section is shaped and sized to fit into an open end of a hollow structural member of the UAV and to transfer impact energy incident upon the blunt head section into the hollow structural member to shatter the hollow structural member into fragments.

Abstract: A modular fuselage for an unmanned aerial vehicle (UAV) includes a battery module, an avionics module, and a mission payload module. The battery module houses a battery to power the UAV. The avionics module houses flight control circuitry of the UAV. The mission payload module houses equipment associated with a mission of the UAV. The battery module, the avionics module, and the mission payload module are detachable from each other and mechanically securable to each other to contiguously form at least a portion of the modular fuselage of the UAV.

Abstract: An inflatable package enclosure for use on an aerial vehicle including an inflatable exterior chamber, a first inner cavity positioned within the inflatable exterior chamber, an inflation valve positioned on the inflatable exterior chamber, and a handle on the inflatable exterior chamber for securing the inflatable package enclosure to the aerial vehicle, wherein when the inflatable exterior chamber is inflated and when a package is positioned in the first inner cavity, inner surfaces of the inflatable exterior chamber conform to outer surfaces of the package to secure the package within the inflatable exterior chamber.

Abstract: An inflatable package enclosure for use on an aerial vehicle including an inflatable exterior chamber, a first inner cavity positioned within the inflatable exterior chamber, an inflation valve positioned on the inflatable exterior chamber, and a handle on the inflatable exterior chamber for securing the inflatable package enclosure to the aerial vehicle, wherein when the inflatable exterior chamber is inflated and when a package is positioned in the first inner cavity, inner surfaces of the inflatable exterior chamber conform to outer surfaces of the package to secure the package within the inflatable exterior chamber.

Abstract: An example unmanned aerial vehicle includes a power source, a processor module having one or more processors, and a plurality of boom arms, each boom arm being couplable to a printed circuit board (PCB) and a plurality of propellers. In the example UAV, a PCB of each boom arm includes a power hub electrically couplable to the power source and to corresponding propellers of the boom arm, and a signal hub electrically couplable to at least one processor of the processor module and to the corresponding propellers. Further, in the example UAV, the power hub of each PCB is configured to transfer power from the power source to the corresponding propellers, and wherein the signal hub of each PCB is configured to transfer signals from the processor module to the corresponding propellers such that the processor module controls the plurality of propellers.

Abstract: An aerial vehicle is provided including rotor units connected to the aerial vehicle, and a control system configured to operate at least one of the rotor units. The rotor unit includes rotor blades, wherein each rotor blade includes a surface area, and wherein an asymmetric parameter is defined, at least in part, by the relationship between the surface areas of the rotor blades. The value of the asymmetric parameter is selected such that the operation of the rotor unit: (i) moves the rotor blades such that each rotor blade produces a respective vortex and (ii) the respective vortices cause the rotor unit to produce a sound output having an energy distribution defined, at least in part, by a set of frequencies, wherein the set of frequencies includes a fundamental frequency, one or more harmonic frequencies, and one or more non-harmonic frequencies having a respective strength greater than a threshold strength.

Abstract: An example UAV landing structure includes a landing platform for a UAV, a cavity within the landing platform, and a track that runs along the landing platform and at least a part of the cavity. The UAV may include a winch system that includes a tether that may be coupled to a payload. Furthermore, the cavity may be aligned over a predetermined target location. The cavity may be sized to allow the winch system to pass a tethered payload through the cavity. The track may guide the UAV to a docked position over the cavity as the UAV moves along the landing platform. When the UAV is in the docked position, a payload may be loaded to or unloaded from the UAV through the cavity.

Abstract: An aerial vehicle landing station comprising a first post and a second post, wherein the second post is spaced apart from the first post and a cable to capture an aerial vehicle, wherein the cable is stretched between the first post and the second post and configured to support the weight of the aerial vehicle once captured and the cable may provide a charging current to the aerial vehicle once captured. One or more markers may be further positioned on the cable to designate a landing point, wherein the one or more markers are configured to be visually tracked by the aerial vehicle. A cable management device coupled to the cable via one or more pulleys may regulate tension of the cable. A communications transceiver at the aerial vehicle landing station may wirelessly communicate data with the aerial vehicle.