System and method of providing prompt information for flight of uavs, control terminal and flight system

Abstract

A method of providing prompt information includes obtaining sensitive area information and marking a sensitive area on a navigation map according to the sensitive area information. The sensitive area affects a flight of an unmanned aerial vehicle (UAV). The method further includes obtaining position information of the UAV, determining a positional relationship between the UAV and the sensitive area according to the sensitive area information and the position information of the UAV, and generating the prompt information according to the positional relationship.

What is claimed is: 
     
         1 . A method of providing prompt information comprising:
 obtaining sensitive area information and marking a sensitive area on a navigation map according to the sensitive area information, the sensitive area affecting a flight of an unmanned aerial vehicle (UAV), the sensitive area information includes a sensitive area type, the sensitive area type being one of a warning zone type, a releasable flight-restricted zone type, or a non-releasable no-fly zone type;   obtaining position information of the UAV and determining a positional relationship between the UAV and the sensitive area according to the sensitive area information and the position information of the UAV;   generating the prompt information according to the positional relationship and the sensitive area information; and   in response to the positional relationship showing that the UAV is within the sensitive area and the sensitive area type being the flight-restricted zone type, displaying a prompt option as to whether to release the flight-restricted zone, obtaining identity information for verification after receiving a request to release the flight-restriction zone, and removing an indication of flight restriction from the sensitive area after the identity information has been verified.   
     
     
         2 . The method of  claim 1 , wherein the sensitive area information includes at least one of pre-stored sensitive area information or sensitive area information received in real time. 
     
     
         3 . The method of  claim 1 , further comprising:
 setting a correspondence between the sensitive area type and a level of sensitivity; and   setting a correspondence between the level of sensitivity and a marking patterns.   
     
     
         4 . The method of  claim 3 , wherein:
 the level of sensitivity includes at least one of level one, level two, or level three;   setting the correspondence between the sensitive area type and the level of sensitivity includes at least one of:
 associating the warning zone type with the level one; 
 associating the flight-restricted zone type with the level two; or 
 associating the no-fly zone type with the level three; and 
   the prompt information includes at least one of:
 a warning prompt in response to the sensitive are corresponding to the warning zone type associated with the level one; 
 a restriction prompt in response to the sensitive area corresponding to the flight-restricted zone type associated with the level two; or 
 a prohibition prompt in response to the sensitive area corresponding to the no-fly zone type associated with the level three. 
   
     
     
         5 . The method of  claim 4 ,
 wherein the sensitive area information further includes position information of the sensitive area;   the method further comprising:   marking the sensitive area on a navigation map according to the sensitive area information by:
 determining a position of the sensitive area on the navigation map according to the position information of the sensitive area; 
 determining the level of sensitivity of the sensitive area according to the sensitive area type; and 
 marking the sensitive area using the marking pattern corresponding to the level of sensitivity. 
   
     
     
         6 . The method of  claim 5 , wherein:
 the marking pattern includes at least one of a color block or an icon;   a color of the color block includes at least one of green, yellow, or red;   a shape of the color block includes at least one of a regular contour or an actual contour of the sensitive area; and   the icon includes at least an icon of a representative object in the sensitive area.   
     
     
         7 . The method of  claim 5 , wherein marking the sensitive area includes marking the sensitive area using a color block having a regular contour completely covering an actual contour of the sensitive area. 
     
     
         8 . The method of  claim 5 , wherein determining the positional relationship between the UAV and the sensitive area according to the sensitive area information and the position information of the UAV includes:
 determining the positional relationship between the UAV and the marked sensitive area according to the sensitive area information marked on the navigation map and the position information of the UAV.   
     
     
         9 . The method of  claim 8 , wherein:
 the prompt information is generated in response to the positional relationship showing that a horizontal distance between the UAV and the sensitive area is less than a predefined distance; and   the prompt information includes at least one of the sensitive area type, the level of sensitivity of the sensitive area, or a distance between the UAV and the sensitive area.   
     
     
         10 . The method of  claim 8 , wherein the prompt information is generated in response to the positional relationship showing that a position of the UAV is within the marked sensitive area, and wherein the prompt information comprises at least one of the sensitive area type or the level of sensitivity of the sensitive area. 
     
     
         11 . The method of  claim 10 , further comprising:
 displaying a navigation prompt interface containing the prompt information.   
     
     
         12 . The method of  claim 11 , wherein:
 in response to the positional relationship showing that the position of the UAV is within a warning zone, the prompt information further includes prompt information alerting the flight of the UAV and the navigation prompt interface further includes at least a prompt option as to whether to remove a marking of the warning zone; or   in response to the positional relationship showing that the position of the UAV is within a no-fly zone, the prompt information further includes prompt information prohibiting the flight of the UAV and the navigation prompt interface further includes at least one of a plurality of confirmation options including confirming a permission of entering the no-fly zone, confirming a liability of flying in the no-fly zone, and confirming continuing to fly in the no-fly zone.   
     
     
         13 . The method of  claim 1 , wherein generating the prompt information according to the positional relationship includes generating prompt information instructing the UAV to land or leave the sensitive area in response to the UAV being in the sensitive area. 
     
     
         14 . The method of  claim 13 , wherein generating the prompt information instructing the UAV to leave the sensitive area includes:
 receiving operation information and generating a control instruction, the control instruction directing the UAV to leave the sensitive area; or   calculating a shortest flight path and directing the UAV to leave the sensitive area along the shortest path.   
     
     
         15 . A control terminal comprising:
 a communication device configured to communicate with an unmanned aerial vehicle (UAV) and receive position information of the UAV; and   a processor configured to:
 obtain sensitive area information and mark a sensitive area on a navigation map according to the sensitive area information, the sensitive area affecting a flight of the UAV, the sensitive area information includes a sensitive area type, the sensitive area type being one of a warning zone type, a releasable flight-restricted zone type, or a non-releasable no-fly zone type; 
 obtain position information of the UAV and determine a positional relationship between the UAV and the sensitive area according to the sensitive area information and position information of the UAV; 
 generate prompt information according to the positional relationship and the sensitive area information; and 
 in response to the positional relationship showing that the UAV is within the sensitive area and the sensitive area type being the flight-restricted zone type, display a prompt option as to whether to release the flight-restricted zone, obtain identity information for verification after receiving a request to release the flight-restriction zone, and remove an indication of flight restriction from the sensitive area after the identity information has been verified. 
   
     
     
         16 . The control terminal of  claim 15 , wherein
 the processor is further configured to:
 associate the warning zone type with level one corresponding to a warning prompt to the flight of the UAV; 
 associate the flight-restricted zone type with level two corresponding to a restriction prompt to a flight of the UAV; and 
 associate the no-fly zone type with level three corresponding to a prohibition prompt to a flight of the UAV. 
   
     
     
         17 . The control terminal of  claim 16 , wherein:
 the sensitive area information further includes position information of the sensitive area; and   the processor is further configured to:
 determine a position of the sensitive area on the navigation map according to the position information of the sensitive area; 
 determine a level of sensitivity of the sensitive area according to the sensitive area type; and 
 mark the sensitive area using a marking pattern corresponding to the level of sensitivity. 
   
     
     
         18 . The control terminal of  claim 17 , wherein the processor is further configured to:
 mark the sensitive area using a color block having a regular contour completely covering an actual contour of the sensitive area; or   determine the positional relationship between the UAV and the sensitive area according to the sensitive area information marked on the navigation map and the position information of the UAV.   
     
     
         19 . The control terminal of  claim 16 , wherein the processor is further configured to mark a flight position of the UAV on the navigation map according to the position information of the UAV. 
     
     
         20 . A processor used in a control terminal of an unmanned aerial vehicle (UAV), wherein the processor is configured to:
 obtain sensitive area information and mark a sensitive area on a navigation map according to the sensitive area information, the sensitive area affecting a flight of the UAV, the sensitive area information includes a sensitive area type, the sensitive area type being one of a warning zone type, a releasable flight-restricted zone type, or a non-releasable no-fly zone type;   obtain position information of the UAV and determine a positional relationship between the UAV and the sensitive area according to the sensitive area information and position information of the UAV;   generate prompt information according to the positional relationship and the sensitive area information; and   in response to the positional relationship showing that the UAV is within the sensitive area and the sensitive area type being the flight-restricted zone type, display a prompt option as to whether to release the flight-restricted zone, obtain identity information for verification after receiving a request to release the flight-restriction zone, and remove an indication of flight restriction from the sensitive area after the identity information has been verified.