An unmanned aerial vehicle (UAV) according to an embodiment of a present invention may include a drive motor that rotates a propeller in a clockwise or counterclockwise direction, and a servo motor that tilts the propeller, so that it may fly in a posture for calibration of sensors. An unmanned aerial vehicle (UAV) according to an embodiment of the present invention may be linked to an Artificial Intelligence module, a robot, a device related to a 5G service, and the like.

An interior length of a confined space is inspected by autonomously flying an unmanned aerial vehicle having a sensor pod. The sensor pod can be tethered to the unmanned aerial vehicle and lowered into the confined space from above perhaps by an electromechanical hoist. An altitude or heading of the sensor pod can be measured. The confined space can be the flue of a chimney.

An agricultural unmanned aerial vehicle (UAV) includes a fuselage, a flight power apparatus, a plurality of spray nozzles, a plurality of water pumps, and a controller. The flight power apparatus is mounted at the fuselage. The plurality of spray nozzles are installed below the flight power apparatus. The plurality of water pumps are connected to the plurality of spray nozzles and configured to deliver liquid to the spray nozzles. The controller is electrically coupled to the plurality of water pumps, and configured to selectively control one or more of the plurality of water pumps to pump the liquid to one or more of the spray nozzles connected to the one or more of the water pumps.

A noise cancelation system for an unmanned aerial vehicle may have an audio capture module, a metadata module and a filter. The audio capture module may be configured to receive an audio signal captured from a microphone, e.g., on a camera. The metadata module may be configured to retrieve noise information associated with noise generating components operating on the unmanned aerial vehicle (UAV). The filter may be configured to receive the audio signal and noise information from the audio capture module. The filter also may be configured to retrieve a baseline profile from a database based on the noise information. The baseline profile includes noise parameter to filter out audio frequencies from the audio signal corresponding to the noise generating component. The filter may generate a filtered audio signal for output.

In one aspect, a system for monitoring seedbed conditions within a field may include an unmanned aerial vehicle (UAV) having a seedbed sensing assembly supported thereon. The sensing assembly may, in turn, include a plurality of pins configured to be extended relative to the body such that each pin penetrates a top surface of the field. Furthermore, a plurality of position sensors may be configured to capture data indicative of a position of a given pin of the plurality of pins relative to the body of the UAV. Additionally, a plurality of force sensors may be configured to capture data indicative of a force being applied to a given pin of the plurality of pins. As such, the data captured by the position sensors and the force sensors may be indicative of at least one of the seedbed surface profile or the seedbed floor profile of the field.

The present invention discloses an unmanned aerial vehicle, including: a fuselage; a battery accommodation cavity, disposed on the fuselage; a battery pack, including at least two battery blocks and mounted inside the battery accommodation cavity; a battery circuit board, electrically connected to the battery blocks in the battery pack; and a functional module, electrically connected to the battery circuit board, the battery blocks in the battery pack supplying power to the functional module via the battery circuit board at the same time. By using the solution of the present invention, endurance of the unmanned aerial vehicle is increased.

Launch and land system for a tethered aircraft (in connection with FIG. 1) The invention provides for a launch and land system (1) for a tethered aircraft (90) comprising a runway (12) for the aircraft and a winch (62) for the tether (92), wherein the runway comprises a funnel-shaped target area (14) with a wide end oriented towards one end of the runway and a narrow end opposite of the wide end, wherein said target area is laterally bordered by restriction devices (80) extending from one end of the target area to the other for preventing the aircraft to roll out of the target area.

The present disclosure provides various embodiments of an aircraft retrieval system including winch-equipped retrieval assembly that is removably attachable to a rotorcraft to facilitate retrieval of a fixed-wing aircraft from wing-borne flight.

A landing system for a heavy-lift unmanned aerial vehicle includes an elongated main body that is constructed from a rigid material. The main body includes a central aperture and plurality of connectors for engaging complementary connectors located on the bottom of an unmanned aerial vehicle. A pair of landing units that are positioned along two sides of the main body via connection assemblies which transition the landing units between an extended and retracted orientation. A pair of electromechanical actuators are positioned along the main body at locations adjacent to the landing units. The actuators can include linear motors that are offset from the landing unit connection assemblies. The actuators are coupled to the control and power units of an attached unmanned aerial vehicle.

An apparatus in which electric power is generated for an electrical load from differentials in electric field strengths within a vicinity of powerlines includes: a plurality of electrodes separated and electrically insulated from one another for enabling differentials in voltage resulting from differentials in electric field strength experienced there at; and electrical components electrically connected therewith and configurable to establish one or more electric circuits whereby voltage differentials cause a current to flow through the established electric circuit for powering the electrical load. Preferably, the apparatus includes a control assembly having one or more voltage-detector components configured to detect relative voltages of the electrodes; and a processor enabled to configure—based on the detected voltages and based on voltage and electric current specifications for powering the electrical load—one or more of the electrical components to establish an electric circuit for powering the electrical load.