Disclosed are a route altitude adjustment method, an unmanned aerial vehicle operation method, and a related apparatus. The route altitude adjustment method includes: acquiring an operating route and an initial height table corresponding to the operating route are acquired; and then, optimizing the initial height table by using the maximum vertical velocity and the maximum vertical acceleration of an unmanned aerial vehicle in a height direction to obtain a target height table including the plurality of interpolation points and a target height of each of the plurality of interpolation point, so that a vertical velocity for flight between any two adjacent interpolation points is less than the maximum vertical velocity and a vertical acceleration for flight between any three adjacent interpolation points is less than the maximum vertical acceleration, so that the unmanned aerial vehicle may always satisfy a flight performance requirements during flight.

A method and system for determining flight height of an unmanned aerial vehicle (UAV) includes a determining device that includes a camera at bottom of the is UAV carried on a three-axis self-stabilizing tripod head; and a carrier phase difference satellite positioning system (CPDSPS), a graphics processing computer (GPC) and a power supply system provided on top of the UAV The GPC is connected with the CPDSPS, the power supply system and the camera, respectively. An attitude and heading reference system (AHRS) is provided at the bottom of the three-axis self-stabilizing tripod head and connected with the GPC The GPC is configured to determine relative height of the UAV from a canopy of farmland surface crops according to position information acquired by the CPDSPS, attitude information acquired by the AHRS and ground orthographic image acquired by the camera, and determine flight height of the UAV according to the relative height.

A controller obtains a first horizontal distance and a first vertical distance which are respectively a component in a horizontal direction and a component in a vertical direction among distances from an unmanned aerial vehicle to a surface of a particular place where elevation gradually increases or decreases along the horizontal direction, decides, based on a ratio of the first horizontal distance to the first vertical distance, a movement amount by which the unmanned aerial vehicle is to be moved simultaneously in both the horizontal direction and the vertical direction, and moves the unmanned aerial vehicle based on the movement amount.

A method and device for flight height adjustment and flight control of an unmanned aerial vehicle. The flight height adjustment method comprises: obtaining a planned flight height of an unmanned aerial vehicle at each flight position point; and adjusting the planned flight heights at the flight position points until the difference between the adjusted flight heights at any two adjacent flight position points is less than or equal to a preset value.

A UAV (unmanned aerial vehicle) logistic operational mission planning and management system present hereof for safety of all flight space users inside flyable airspace and the ground crew in an irresistible trend of commercial operations of UAVs to be implemented is to construct a terrain model for a flyable airspace as a platform on which a system for integrating operational mission planning and air traffic control/management is created. A UAV logistic operational mission planning and management system is an expandable, flexible and adaptable system responding changeable requirements, quantities, technologies, business models and applications and preserving a manned air traffic control interface for operations and managements of multiple UAVs in flyable airspace monitored by a UAV air traffic control center safely and reliably.

A 3D flight plan route is set based on an inputted scheduled flight route of an unmanned aerial vehicle. A system for setting a 3D flight plan route of an unmanned aerial vehicle according to the present invention is characterized by: inputting data indicating a scheduled flight route of the unmanned aerial vehicle on a horizontal plane; acquiring a height reference value indicating an elevation of a surface under each of a plurality of positions on the flight plan route; and determining values obtained by adding flight altitudes corresponding to the positions to the height reference values, respectively, as altitude data on the flight plan route.

The embodiment of the disclosure relates to an Unmanned Aerial Vehicle (UAV) terrain simulation flying method and device, and a UAV. The method includes: acquiring a vertical distance between a UAV and the ground; acquiring an oblique distance between the UAV and the ground; acquiring an angle between the vertical distance and the oblique distance; and adjusting a terrain simulation flying state of the UAV according to the angle, the vertical distance and the oblique distance.

An unmanned aerial vehicle including a controller is provided. The controller is configured to determine a first relative height between the unmanned aerial vehicle and a ground reflector directly below the unmanned aerial vehicle and a second relative height between the unmanned aerial vehicle and a ground reflector ahead the unmanned aerial vehicle. The controller then determines a combined relative height for reflecting a front terrain change according to at least the first relative height and the second relative height. Based on the determined combined relative height, the controller further adjusts the flight attitude of the unmanned aerial vehicle.

A method for setting a flight altitude and such an unmanned aerial vehicle system that efficiently set the flight altitude in a flight plan based on undulation and/or inclination of a ground surface or a ground object. The method includes: an undulation research step of making the unmanned aerial vehicle fly and measuring a height of a ground surface or a ground object; and an altitude setting step of, during preparation of a flight plan that is setting data including a specification of a path on which the unmanned aerial vehicle is made to fly autonomously, automatically setting the flight altitude on the path in the flight plan based on the height of the ground surface or the ground object measured in the undulation research step. An unmanned aerial vehicle system capable of performing the method.

A method and system for controlling the flight path of an aerial vehicle measures a distance between the aerial vehicle in flight and a plurality of points to obtain a point cloud of point position data. A first contour line corresponding to the topographical ground and a second contour line corresponding to a top line of objects on the ground are segmented from the point cloud. Data representing the first contour line and/or data representing the second contour line is processed in a control unit of the aerial vehicle for determining a control signal for the aerial vehicle. The flight path of the aerial vehicle includes a first section in which the vertical position of the aerial vehicle is determined relative to the first contour line, and a second section in which the vertical position of the aerial vehicle is determined relative to the second contour line.