UNMANNED AERIAL VEHICLE

• US 20170132943A1
• Filed: 11/03/2016
• Published: 05/11/2017
• Est. Priority Date: 11/10/2015
• Status: Active Grant

• Current Assignee: Korea Aerospace Research Institute
• Original Assignee: Korea Aerospace Research Institute
• Inventors: MOON, Sang Man, KIM, In Kyu
• Granted Patent: US 11,024,186 B2
• Time in Patent Office: Days
• CPC Class Codes: B64C 39/024 of the remote controlled vehicle type, i.e. RPV
• CPC Class Codes: B64D 2045/0085 Devices for aircraft health monitoring, e.g. monitoring flutter or vibration
• CPC Class Codes: B64D 45/0059 by communicating emergency situations to ground control or between crew members
• CPC Class Codes: B64U 2201/10 autonomous, i.e. by navigating independently from ground or air stations, e.g. by using inertial navigation systems [INS]
• CPC Class Codes: G08G 5/0008 with other aircraft
• CPC Class Codes: G08G 5/0021 located in the aircraft
• CPC Class Codes: G08G 5/0039 Modification of a flight plan
• CPC Class Codes: G08G 5/0069 specially adapted for an unmanned aircraft
• CPC Class Codes: G08G 5/0078 for monitoring traffic from the aircraft radar or analogous systems specially adapted for traffic control G01S13/91
• CPC Class Codes: G08G 5/045 Navigation or guidance aids, e.g. determination of anti-collision manoeuvers radar or analogous systems specially adapted for anti-collision between aircraft G01S13/933
• CPC Class Codes: H04W 4/029 Location-based management or tracking services

Abstract

Provided is an unmanned aerial vehicle that broadcasts a route and future location information of the unmanned aerial vehicle within preset coverage based on sensing data and current location information of the unmanned aerial vehicle. The unmanned aerial vehicle includes a calculator configured to calculate a predicted route and second location information of the unmanned aerial vehicle corresponding to a preset period of time based on first location information and sensing data; and a transmitter configured to periodically broadcast a first notification signal that includes the first location information, the predicted route, and the second location information.

Claims

1. An unmanned aerial vehicle comprising:

a calculator configured to calculate a first predicted route and second location information of the unmanned aerial vehicle corresponding to a preset period of time based on first location information and sensing data; and

a transmitter configured to periodically broadcast a first notification signal that includes the first location information, the first predicted route, and the second location information.

2. The unmanned aerial vehicle of claim 1, wherein the transmitter is further configured to periodically broadcast the first notification signal that further includes a message requesting a second predicted route of another unmanned aerial vehicle.

3. The unmanned aerial vehicle of claim 1, further comprising:

a receiver configured to receive a second notification signal that includes a second predicted route and third location information associated with another unmanned aerial vehicle from the other unmanned aerial vehicle,

wherein the calculator is further configured to calculate a collision probability between the unmanned aerial vehicle and the other unmanned aerial vehicle based on the sensing data, the second location information, and the third location information.

4. The unmanned aerial vehicle of claim 3, further comprising:

a controller configured to change a route of the unmanned aerial vehicle in response to the collision probability calculated at the calculator being greater than or equal to a threshold.

5. The unmanned aerial vehicle of claim 1, wherein the calculator is further configured to use, as the sensing data, first acceleration data and first angular speed data on a plane corresponding to a heading direction of the unmanned aerial vehicle and second acceleration data and second angular speed data of a vertical direction of the plane.

6. An unmanned aerial vehicle comprising:

a sensor device configured to measure first sensing data corresponding to a heading direction of the unmanned aerial vehicle;

a calculator configured to calculate a predicted route and first predicted location information of the unmanned aerial vehicle corresponding to a preset period of time based on first current location information and the first sensing data; and

a transmitter configured to calculate a difference value between second current location information after the preset period of time and the first predicted location information, and to periodically broadcast a first danger signal in response to the difference value being greater than or equal to a threshold.

7. The unmanned aerial vehicle of claim 6, wherein the sensor device is further configured to measure first acceleration data and first angular speed data on a plane corresponding to a heading direction of the unmanned aerial vehicle and second acceleration data and second angular speed data of a vertical direction of the plane.

8. The unmanned aerial vehicle of claim 6, wherein the transmitter is further configured to periodically broadcast the first danger signal in response to the first predicted location information being outside preset altitude coverage.

9. The unmanned aerial vehicle of claim 6, further comprising:

a receiver configured to receive a second danger signal associated with another unmanned aerial vehicle from the other unmanned aerial vehicle,

wherein the transmitter is further configured to transmit a first notification signal for requesting a route and second predicted location information corresponding to a preset period of time to the other unmanned aerial vehicle.

10. The unmanned aerial vehicle of claim 9, further comprising:

a controller configured to change a route of the unmanned aerial vehicle based on the second predicted location information included in a response signal, in response to the receiver receiving the response signal corresponding to the first notification signal.

11. A non-transitory computer-readable recording medium storing a program to periodically transmit a notification signal that includes a route and location information of an unmanned aerial vehicle, wherein the program comprises:

a set of instructions configured to calculate a route and second location information corresponding to a preset period of time based on first location information and sensing data; and

a set of instructions configured to periodically broadcast a first notification signal that includes the first location information, the route, and the second location information.

12. A non-transitory computer-readable recording medium storing a program to determine an emergency state of an unmanned aerial vehicle and to periodically transmit a danger signal associated with the emergency state, wherein the program comprises:

a set of instructions configured to measure first sensing data corresponding to a heading direction of the unmanned aerial vehicle;

a set of instructions configured to calculate a route and first predicted location information of the unmanned aerial vehicle corresponding to a preset period of time based on first current location information and the first sensing data; and

a set of instructions configured to calculate a difference value between second current location information after the preset period of time and the first predicted location information, and to periodically broadcast a first danger signal in response to the difference value being greater than or equal to a threshold.