Issues and challenges for co operative uav missions
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Issues and Challenges for Co-operative UAV Missions. Chris Halliday and Tony Dodd. Overview. Co-operative UAV missions The Challenges The Issues Command, Control and Communications Concluding remarks. Large area: search and rescue. Large area: search and rescue.

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Issues and Challenges for Co-operative UAV Missions

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Issues and challenges for co operative uav missions

Issues and Challenges for Co-operative UAV Missions

Chris Halliday and Tony Dodd


Overview

Overview

  • Co-operative UAV missions

  • The Challenges

  • The Issues

  • Command, Control and Communications

  • Concluding remarks

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Large area search and rescue

Large area: search and rescue

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Large area search and rescue1

Large area: search and rescue

  • Need to communicate with central command

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Combat missions

Combat Missions

[3]

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Combat missions1

Combat Missions

  • Search and destroy

  • Combat search and rescue

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Urban

Urban

[1]

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Urban1

Urban

  • Need to use existing communications

  • Results of US study

  • Is a communication infrastructure even in place?

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Agriculture remote sensing survey etc

Agriculture, remote sensing, survey etc.

[4]

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Agriculture remote sensing survey etc1

Agriculture, remote sensing, survey etc.

  • Must use licensed frequencies

  • Need for low cost solutions

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Uav formation flying refueling

UAV Formation Flying/Refueling

[2]

[5]

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Uav refueling

UAV Refueling

  • Piloted tanker-to-UAV

  • UAV tanker-to-piloted aircraft

  • UAV-to-UAV

  • Multiple UAV refueling

  • Very close co-ordination required

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The challenges

The Challenges

  • Autonomous navigation

  • Complex and dynamic mission planning

  • Collision and obstacle avoidance

  • Task allocation and dynamic reconfiguration

  • High level control and co-ordination of flight operations

  • Mixed assets and human interaction

  • Close formation flying

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The issues

The Issues

  • Communications: need to work within national regulations

    • Allowable frequencies and powers different in different regions

    • Severe limitations on range

    • Problems in urban environments – interference (results of US study)

    • Ad hoc comms networks

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Mixed manned unmanned systems

Mixed manned/unmanned systems

  • Need for C3

  • Remote operation/C3 – reliable, problem, unhumanised (kill at 10,000km)

  • Operator workload - multiple UAVs

  • Airspace and safety – UAVs operating in mixed airspace

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Mixed air sea ground systems

Mixed air-sea-ground systems

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Issues and challenges for co operative uav missions

C3

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Communications

Communications

  • GPS – location (but what about urban)

  • Inter-vehicle comms – information sharing, deconfliction, mission planning…

  • Back-to-base

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Formation flying

Formation Flying

  • Routine for piloted aircraft

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Issues

Issues

  • Different UAVs will have different capabilities - Global Hawk vs MAV

  • Different users have access to different techologies/legal frequencies

  • Makes very difficult to standardise

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Multi vehicle

Multi-vehicle

  • Ground, sea and air

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Dynamic mission planning

Dynamic Mission Planning

  • Autonomous navigation

  • Mission planning

  • Task allocation

  • Co-ordination

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Search and destroy mission

Search and destroy mission

  • Reasons for being dynamic

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Work on this

Work on this

  • GAs and other evolutionary algorithms…

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Concluding remarks

Concluding Remarks

  • Legislation

  • Certification

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References

References

[1] http://vwt.d2g.com:8081/raven%20UAV.jpg

[2] http://www.bihrle.com/site/products_d6_success9.html

[3] http://www.afa.org/magazine/dec2003/1203uav.asp

[4] http://www.aerosonde.com/

[5] http://www.cs.uwyo.edu/~dspears/surv_pub/

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