Unmanned aerial vehicle and flying method thereof

• US 9,811,094 B2
• Filed: 04/07/2016
• Issued: 11/07/2017
• Est. Priority Date: 02/03/2016
• Status: Active Grant

• Current Assignee: Inventec Appliances Corporation (Inventec Corporation)
• Original Assignee: Inventec Appliances Corporation (Inventec Corporation)
• Inventors: Tsai, Pei-Lun
• Primary Examiner(s): NGUYEN, TAN QUANG
• Application Number:
  US15/093,250
• Publication Number:
  US 20170220046A1
• Time in Patent Office: 579 Days
• Field of Search: 701 8
• CPC Class Codes: B64C 39/024 of the remote controlled vehicle type, i.e. RPV
• CPC Class Codes: B64U 10/10 Rotorcrafts
• CPC Class Codes: B64U 10/13 Flying platforms
• CPC Class Codes: B64U 10/14 with four distinct rotor axes, e.g. quadcopters
• CPC Class Codes: B64U 30/20 Rotors; Rotor supports
• CPC Class Codes: B64U 70/00 Launching, take-off or landing arrangements
• CPC Class Codes: G01W 1/02 Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed G01W1/10 takes precedence
• CPC Class Codes: G05D 1/0669 specially adapted for vertical take-off

Abstract

An Unmanned Aerial Vehicle (UAV) includes a fuselage, a plurality of rotors, and a sensor, wherein the fuselage includes a control module and a signal processing module, and the control module is connected the arms, which is used to control the rotation of arms. The sensor is configured to the fuselage of the UAV, which is used to detect the rotation change value of the UAV. The signal processing module is connected with the sensor and the control module, which is used to receive and analyze the signal of the sensor, and the control module controls the following flying of the UAV.

Claims

1. An unmanned aerial vehicle, comprising:

a fuselage;

a plurality of rotors connected to the fuselage;

at least a sensor provided to be arranged on the unmanned aerial vehicle and configured to detect a rotation variation value of the unmanned aerial vehicle;

a signal processing module electrically coupled to the sensor and a controlling module respectively, and configured to receive and analyze the rotation variation value of the unmannaed aerial vehicle which is detected by the sensor; and

the controlling module connected to the plurality of rotors and configured to control the flight of the unmanned aerial vehicle according to a result which is analyzed by the signal processing module.

2. The unmanned aerial vehicle according to claim 1, wherein the signal processing module is configured to compare the rotation variation value of the unmanned aerial vehicle with a presetting value.

3. The unmanned aerial vehicle according to claim 1, further comprising a gyroscope connected to the signal processing module.

4. The unmanned aerial vehicle according to claim 3, wherein the gyroscope is configured to detetect an offset angle between the unmanned aerial vehicle and a horizontal plane.

5. The unmanned aerial vehicle according to claim 4, wherein the controlling module is further configured to control a flight attitude of the unmanned aerial vehicle according to the offset angle.

6. The unmanned aerial vehicle according to claim 1, wherein the sensor is selected from the group consisting of a linear acceleration detector, a wind detector and a wind pressure detector.

7. The unmanned aerial vehicle according to claim 6, wherein the signal processing module further analyzing a tangential velocity value of the rotation variation value.

8. The unmanned aerial vehicle according to claim 6, wherein the signal processing module further analyzing a centripetal acceleration value of the rotation variation value.

9. A method for controlling the flight of an unmanned aerial vehicle, comprising:

performing the unmanned aerial vehicle set in a rotation motion;

acquiring a rotation variation value of the unmannaed aerial vehicle in the rotation motion; and

comparing the rotation variation value of the unmanned aerial vehicle and a presetting value, and

controlling the unmanned aerial vehicle for flying if the rotation variation value of the unmanned aerial vehicle reaches the presetting value.

10. The method according to claim 9, wherein the unmanned aerial vehicle comprises at least a sensor and the sensor is configured to detect the rotation variation value of the unmanned aerial vehicle.

11. The method according to claim 10, wherein the sensor is selected from the group consisting of a linear acceleration detector, a wind detector and a wind pressure detector.

12. The method according to claim 9, wherein the rotation variation value of the unmanned aerial vehicle is a linear acceleration value.

13. The method according to claim 12, wherein the linear acceleration value is further analyzed to be a centripetal acceleration value.

14. The method according to claim 9, wherein the rotation variation value of the unmanned aerial vehicle is a wind speed value or a wind pressure value.

15. The method according to claim 14, wherein the wind speed value and the wind pressure value are further analyzed to be a tangential velocity value.

16. The method according to claim 9, wherein the rotation variation value of the unmanned aerial vehicle is a total value of the rotation variation values of the plurality of rotors.

17. The method according to claim 16, wherein the total value is compared with the presetting value.

18. The method according to claim 9, wherein the presetting value is modified in accordance with the requirement of users.

19. The method according to claim 9, further comprising detecting an offset angle between the unmanned aerial vehicle and a horizontal plane when the unmanned aerial vehicle is flying.

20. The method according to claim 19, further comprising controlling a flight attitude of the unmanned aerial vehicle in accordance with the offset angle.