Autonomous launch pad for micro air vehicles

• US 20070228214A1
• Filed: 09/26/2005
• Published: 10/04/2007
• Est. Priority Date: 09/26/2005
• Status: Abandoned Application

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Horak, Dan
• Application Number:
  US11/235,057
• Publication Number:
  US 20070228214A1
• Time in Patent Office: Days
• US Class Current: 244/63
• CPC Class Codes: A63H 27/14 Starting or launching devices for toy aircraft; Arrangements on toy aircraft for starting or launching for launching objects from an aircraft A63H27/004
• CPC Class Codes: B64C 39/028 Micro-sized aircraft
• CPC Class Codes: B64F 1/04 for launching aircraft
• CPC Class Codes: B64U 10/80 UAVs characterised by their small size, e.g. micro air vehicles [MAV]
• CPC Class Codes: B64U 2101/30 for imaging, photography or videography
• CPC Class Codes: B64U 2101/31 for surveillance
• CPC Class Codes: B64U 2201/20 Remote controls
• CPC Class Codes: B64U 50/11 using internal combustion piston engines
• CPC Class Codes: B64U 50/14 ducted or shrouded
• CPC Class Codes: B64U 70/30 for capturing UAVs in flight by ground or sea-based arresting gear, e.g. by a cable or a net
• CPC Class Codes: B64U 70/70 Launching or landing using catapults, tracks or rails launching from storage containers B64U70/50
• CPC Class Codes: B64U 70/80 Vertical take-off or landing, e.g. using rockets rotorcrafts B64U10/10; VTOL aircraft B64U10/20

Abstract

Autonomous micro air vehicles surveillance systems are provided. A MAV system of one embodiment includes an MAV and a launch pad. The MAV has an engine that is adapted to power the MAV. The launch pad has a starter that is adapted to start the engine in the MAV when the MAV is resting on a launching surface of the launch pad. The launch pad further has a battery to power the starter.

Claims

1. An autonomous launch pad, the launch pad comprising:

a launching surface adapted to support a vertical takeoff and landing air vehicle;

a battery housed in the launch pad; and

a starter housed in the launch pad, the battery adapted to selectively provide power to operate the starter, the starter adapted to start an engine of the air vehicle upon a remote launch signal command that directs power from the battery to be coupled to the starter, wherein the air vehicle can be commanded to launch from a location that is remote from the launch pad via the remote launch signal command.

2. The launch pad of claim 1, further comprising:

a power shaft extending from the starter; and

a coupler coupled to an engaging end of the power shaft, the coupler adapted to rotationally engage an engine starting shaft of the air vehicle.

3. The launch pad of claim 2, wherein the coupler further comprises:

a collar adapted to rotationally engage exterior gear teeth on the engine starting shaft of the air vehicle.

4. The launch pad of claim 1, further comprising:

a plurality of foot holders, each foot holder adapted to hold a foot of the air vehicle while the air vehicle is resting on the launching surface of the launch pad.

5. The launch pad of claim 4, wherein at least one foot holder is adapted to move the air vehicle to a desired position on the launch pad.

6. The launch pad of claim 1, further comprising at least one pad sensors adapted to detect surveillance information in the vicinity of the launch pad.

7. The launch pad of claim 6, wherein the at least one pad sensor is at least one of a microphone, a seismic motion sensors, an infra-red motion detector, a magnetic sensor, radar and an imaging camera.

8. The launch pad of claim 6, wherein the launch pad is adapted to send data detected by the at least one pad sensor to the air vehicle.

9. The launch pad of claim 6, wherein at least one pad sensor is adapted to be placed at a remote location to the launch pad.

10. The launch pad of claim 1, further comprising:

a fuel tank; and

a fuel pump adapted to pump fuel from the fuel tank to the MAV when the MAV is resting on the launching surface of the launch pad.

11. A micro air vehicle system (MAV), the MAV system comprising:

a MAV having an engine adapted to power the MAV; and

a launch pad, the launch pad having a starter adapted to start the engine in the MAV when the MAV is resting on a launching surface of the launch pad, the launch pad further having a battery to power the starter.

12. The MAV system of claim 11, further comprising:

a coupling system adapted to rotationally couple an engine starting shaft of the engine of the MAV to a starter motor shaft of the starter while allowing longitudinal freedom, wherein once the MAV lifts off the launch pad during a launch, the coupling system disengages.

13. The MAV system of claim 12, wherein the coupling system further comprises:

a gear head coupled to the engine starting shaft, the gear head having exterior gear teeth; and

a collar coupled to the starter motor shaft, the collar adapted to rotationally engage the exterior gear teeth of the gear head of the engine starting shaft when the MAV is resting on the launching surface of the launch pad.

14. The MAV system of claim 11, wherein the launch pad further includes a pad controller adapted to control the functions of the launch pad, further wherein the MAV includes a MAV controller adapted to control functions of the MAV, the pad controller and the MAV controller further adapted to communicate with each other.

15. The MAV system of claim 14, wherein the launch pad further comprising:

a plurality of sensor pads adapted to detect surveillance information near the launch pad; and

a processing module adapted to process the information detected by the sensor pads; and

a communication module adapted to communicate the detected and processed information to the MAV controller.

16. The MAV system of claim 15, wherein at least one of the pad sensors is a microphone, a seismic motion sensors, an infrared motion detector, a magnetic sensor, radar and an imaging camera.

17. The MAV system of claim 14, wherein the MAV further includes a plurality of high accuracy receivers coupled to the MAV controller and the launch pad further includes a plurality of high accuracy positioning transmitters coupled to the pad controller, the receivers and the transmitters are adapted to work together to accurately determine the location of the MAV with respect to the launch pad during a landing procedure, the MAV controller further including control algorithms that enable it to use information from the receivers so that landing the MAV on the launch pad can be accomplished.

18. The MAV system of claim 11, wherein the launch pad further comprises:

a fuel tank;

a fuel pump to pump fuel out of the fuel tank; and

a movable pad fuel line connector to receive fuel from the fuel pump.

19. The MAV system of claim 18, wherein MAV further comprises:

a MAV fuel line connector adapted to be selectively coupled to the movable pad fuel line connector of the launch pad to transfer fuel from the fuel tank in the launch pad to the MAV.

20. The MAV system of the claim 11, the launch pad further comprising:

a movable pad electrical connector coupled to the battery of the launch pad, the movable pad electrical connector adapted to charge one or more power storage units in the MAV when the MAV is resting on the launching surface of the launch pad.

21. The MAV system of claim 20, wherein the MAV further comprising:

a MAV electrical connector adapted to make an electrical connection with the movable pad electrical connector of the launch pad when the MAV is resting on the launching surface of the launch pad.

22. The MAV system of claim 11, wherein the launch pad further comprises:

a plurality of foot holders adapted to engage associated feet on stability legs of the MAV.

23. The MAV system of claim 22, wherein at least one foot holder is adapted to move the MAV to a desired location on the launch pad.

24. A method of operating a MAV surveillance system, the method comprising:

placing a MAV on a launch pad at a desired location;

coupling a starter motor in the launch pad to an engine starting shaft of an engine of the MAV; and

activating the starter motor from a remote location.

25. The method of claim 24, further comprising:

obtaining surveillance information once the MAV is launched from the launch pad.

26. The method of claim 24, further comprising:

returning the MAV to the launch pad.

27. The method of claim 26, wherein returning the MAV to the launch pad further comprises:

using a GPS system to navigate the MAV within a select distance from the launch pad;

once the MAV is within the select distance of the launch pad, using high accuracy positioning transmitters on the launch pad and high accuracy positioning receivers on the MAV to determine the location of the MAV in relation to the launch pad to guide the MAV in returning to the launch pad.

28. The method of claim 26, further comprising:

positioning the MAV on the landing pad with at least one movable MAV foot holder of the launch pad once the MAV has returned on the launch pad.

29. The method of claim 24, further comprising:

using pad sensors to monitor activity near the launch pad; and

communicating detected activity to the MAV.

30. The method of claim 24, further comprising:

fueling the MAV with fuel stored in a fuel tank in the launch pad.

31. The method of claim 24, further comprising:

charging one or more power sources for surveillance equipment in the MAV with a battery in the launch pad.

32. A MAV surveillance system including a MAV and a launch pad, the system comprising:

a means for remotely starting the MAV with a starter that is located in the launch pad, wherein the MAV and launch pad can be placed in a desired location and activated at a later time from a remote distance.

33. The system of claim 33, further comprising:

a means for securing the MAV to the launch pad when the MAV is not activated.

34. The system of claim 33, further comprising:

a means for landing the MAV on the launch pad.

35. The system of claim 33, further comprising:

a means for refueling the MAV with fuel stored in the launch pad; and

a means for charging surveillance power sources in the MAV with a battery in the launch pad.