First 4DCo-GC simulation campaign - C1

The first 4DCo-GC simulation campaign (C1) has been held during the first week of July 2012 in the Onera premises in Toulouse, France.

06_photos_runion_internationale_petit During 3 days, the 4DCo-GC team (around 20 people) met in order to finalize the integration to the simulation backbone of the various modules developed in the frame of the project. Each module simulates a specific aspect of the 4DCo-GC concept: global traffic, 4D contract compliance monitoring, aircraft motion, etc. The simulation backbone is composed of 2 infrastructures (DataPool - DLR and HLA - Onera) connected by a dedicated gateway specifically developped for this purpose.

The demonstration to an external audience took place on Thursday July 5th, in front of a tenth of people. This audience came from Onera, but also from industrial, research and institutional entities.

A general presentation of the project was given, detailling its objectives and methodology, as well as a description of the 4D contract concept (motivation and main features).

Additional presentations gave explanation about the simulation infrastructure, the 4D contracts generation (based on real data) / modelling and the data link principles.

These presentation was followed by the simulations:

  • Global traffic (33,000 flights over Europe) flying 4D contracts
  • Contract compliance monitoring, checking the probability of each aircraft to fly out of its contract bubble
  • Local replanning, generating a new 4D contract for non-compliant aircraft
  • Emergency situation management, enabling separation provision in case of multiple failures (data link loss + contract non compliance)
  • Individual aircraft simulation: 4D FMS and aircraft motion, displayed in 3D

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The simulations were followed by an open discussion about the 4D contract concept and the simulation performed.

This event was really successful and will be a perfect start for the preparation of the second - and final - simulation campaign (C2) of the project that will take place in DLR facilities around mid-2013.

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Last update Friday 13 July 2012