A system and method for in-flight control of an aerial vehicle

• US 20070018052A1
• Filed: 07/01/2005
• Published: 01/25/2007
• Est. Priority Date: 07/03/2004
• Status: Abandoned Application

• Current Assignee: Saab AB
• Original Assignee: Saab AB
• Inventors: Eriksson, Jan-Erik
• Application Number:
  US11/160,638
• Publication Number:
  US 20070018052A1
• Time in Patent Office: Days
• US Class Current: 244/190
• CPC Class Codes: G05D 1/0044 by providing the operator with a computer generated representation of the environment of the vehicle, e.g. virtual reality, maps maps used for automatic navigation G05D1/0274; flight directors G01C23/005

Abstract

A system for in-flight control of an aerial vehicle (2) including an on-board flight control system (5), a remote control station (4) and a read-only digital representation of a subset of the airspace. The flight control system (5) and the remote control station (4) each comprises the digital representation. The digital representation comprises data for an allowed airspace (3) and at least one mission airspace (11) within the allowed airspace (3). The flight control system (5) is arranged to operate the aerial vehicle (2) within the mission airspace (11) under control of the remote control station (4).

Claims

1. A system for in-flight control of an aerial vehicle including an on-board flight control system, a remote control station and a read-only digital representation of a subset of the airspace, wherein the flight control system and the remote control station 4 each comprises the digital representation, that the digital representation comprises data for an allowed airspace and at least one mission airspace within the allowed airspace, and that the flight control system is arranged to operate the aerial vehicle within the mission airspace under control of the remote control station.

2. A system in accordance with claim 1, wherein the flight control system is arranged to carry out missions in an autonomous mode, the missions are defined in a mission plan received from the remote control station prior to flight and wherein updates to the mission plan may be sent from the remote control system during flight.

3. A system in accordance with claim 1, wherein the mission plan received from the remote control station is validated in the flight control system prior to execution.

4. A system in accordance with claim 2, wherein a flight path in the mission plan includes a number of predefined waypoints WP.

5. A system in accordance with claim 1, wherein the aerial vehicle is an unmanned aerial vehicle.

6. A system in accordance with claim 5, wherein the data for each allowed airspace and mission airspace in the digital representation is validated.

7. A system in accordance with claim 6, wherein flight privileges are predetermined for each mission airspace.

8. A system in accordance with claim 7, wherein the digital representation further includes at second mission airspace within the mission airspace in which zone specific missions may be carried e.g., weapon release.

9. A system in accordance with claim 8, wherein the read-only digital representation contains data which has been validated in accordance with requirements for a high safety critical level.

10. A system in accordance with claim 1, wherein the on-board flight control system is arranged to receive predefined emergency commands from the remote control station which emergency commands are arranged to allow the aerial vehicle to operate outside the mission airspace (in accordance with the predefined commands.

11. A system in accordance with claim 1, wherein the flight control system is restricted to only operate the aerial vehicle within the allowed airspace.

12. A system in accordance with claim 1, wherein notification is sent to the remote control station if the aerial vehicle approaches the boundaries of the mission airspace.

13. A method of in-flight control of an aerial vehicle involving defining in an airspace at least one allowed airspace wherein the aerial vehicle is allowed to operate, characterized in limiting the flight control system to operating the aerial vehicle within the allowed airspace and to further defining a mission airspace within the allowed airspace in which mission airspace the aerial vehicle is operated according to instructions in at least one mission plan stored in the flight control computer.