A tail sitter aircraft is described that comprises: a fuselage arranged vertically in a take-off/landing position and transversely to a vertical direction in a cruising position of the aircraft; a single wing; at least two first engines configured to exert respective first thrusts directed along respective first axes on the tail sitter; and at least two second engines rotating about respective second axes arranged above said first axes of the first engines, with reference to the cruising position; the at least two second engines being configured to exert respective second thrusts directed along respective second axes on the tail sitter; the first and second engines being carried by the single wing; the single wing comprises a first portion and a second portion mutually staggered from one another; the second portion being arranged above said first portion, with reference to said cruising position; said first portion comprises two half-wings, extending from opposite lateral sides of the fuselage; the wing further comprises a third portion arranged below said first portion with reference to said cruising position of said aircraft.

Systems, computer readable medium and methods for autonomous drone stabilization and navigation are disclosed. Example methods include capturing an image using an image capturing device of the autonomous drone, processing the image to identify an object, and navigating the autonomous drone relative to the object to one or more waypoints. The autonomous drone navigates initially based on a relative location of the autonomous drone from the object. The autonomous drone determines a distance from the object based on an estimated size of the object and a number of pixels of an image sensor the object occupies. The autonomous drone determines a height above a ground to assist in navigation. Additionally, the autonomous drone hovers to determine a windspeed.

Systems, computer readable medium and methods for autonomous drone stabilization and navigation are disclosed. Example methods include capturing an image using an image capturing device of the autonomous drone, processing the image to identify an object, and navigating the autonomous drone relative to the object to one or more waypoints. The autonomous drone navigates initially based on a relative location of the autonomous drone from the object. The autonomous drone determines a distance from the object based on an estimated size of the object and a number of pixels of an image sensor the object occupies. The autonomous drone determines a height above a ground to assist in navigation. Additionally, the autonomous drone hovers to determine a windspeed.

Unmanned aerial vehicles (UAVs) may facilitate insurance-related tasks. UAVs may actively be dispatched to an area surrounding a property, and collect data related to property. A location for an inspection of a property to be conducted by a UAV may be received, and one or more images depicting a view of the location may be displayed via a user interface. Additionally, a geofence boundary may be determined based on an area corresponding to a property boundary, where the geofence boundary represents a geospatial boundary in which to limit flight of the UAV. Furthermore, a navigation route may be determined which corresponds to the geofence boundary for inspection of the property by the UAV, the navigation route having waypoints, each waypoint indicating a location for the UAV to obtain drone data. The UAV may be directed around the property using the determined navigation route.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for obtaining a sample Light Detection and Ranging (LIDAR) profile generated by a drone; selecting a reference position based on the sample LIDAR profile; determining a LIDAR profile-based translation and rotation relative to a reference LIDAR profile of the reference position; determining an image-based translation and rotation relative to a reference image of the reference position; determining whether the LIDAR profile-based translation and rotation and the image-based translation and rotation satisfy a similarity threshold; and verifying, using a result of the determination, a predicted position of the drone.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for obtaining a sample Light Detection and Ranging (LIDAR) profile generated by a drone; selecting a reference position based on the sample LIDAR profile; determining a LIDAR profile-based translation and rotation relative to a reference LIDAR profile of the reference position; determining an image-based translation and rotation relative to a reference image of the reference position; determining whether the LIDAR profile-based translation and rotation and the image-based translation and rotation satisfy a similarity threshold; and verifying, using a result of the determination, a predicted position of the drone.

Provided is a surveillance system employing a plurality of unmanned aerial vehicles (UAVs), the surveillance system showing improved surveillance performance while optimizing common energy consumption for computing of all the UAVs and also providing a stable visual monitoring service using autonomous mobility of the plurality of UAVs regardless of movement of an object to be monitored and action uncertainty of an adjacent UAV.

Provided is a surveillance system employing a plurality of unmanned aerial vehicles (UAVs), the surveillance system showing improved surveillance performance while optimizing common energy consumption for computing of all the UAVs and also providing a stable visual monitoring service using autonomous mobility of the plurality of UAVs regardless of movement of an object to be monitored and action uncertainty of an adjacent UAV.

A bail hook for use with cargo is disclosed. The bail hook can have a base plate, a spacer and a handle. The bail hook can also include a handle plate located between the base plate and the handle. The bail hook can include position markers located along an edge of the base plate and the handle plate. The bail hook can include a handle mount located between the handle plate and the handle. The bail hook can have a first and second flap slot configured to receive a first and second box flap. The bail hook can have a bevel, where the bevel can be located on the handle plate. The bail hook can be made from plastic or a combination of materials, such as metal. A method of use of the bail hook with box cargo is also disclosed.

A combined vertical takeoff and landing UAV having a large vertical takeoff and landing UAV, a connecting device, and a small vertical takeoff and landing UAV. The connecting device having a clamping component and an adsorption component. The clamping component includes a clamping part, and a clamping groove is arranged on the clamping part. The clamping component having a snap-fitting part, and a snap-fitting groove is arranged on the snap-fitting part. The clamping groove and the snap-fitting groove are correspondingly set. A first holding space is arranged on the clamping part, and a second holding space is arranged on the snap-fitting part. The adsorption component comprises a first magnetic element located in the first holding space, and the adsorption component also comprises a second magnetic element, which is located in the second holding space.