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AwSim Plus is an upgrade available for
AwSim to perform dynamic,
pseudo real-time simulations aimed at providing a realistic dynamic
air traffic data source for ATC/ATM systems that can be used in the
areas of testing, modeling and training. The dynamic
AwSim mode is
useful for evaluation of impacts of CNS components on the actual
flight trajectory.
Trajectory Propagator
The AwSim
Plus Trajectory Propagator generates a stream of targets
for each trajectory (i.e. the realization of one random position
extracted from a trajectory). The target generation rate is a settable
parameter. The target generator can be tailored for user specific
needs. For instance, the target generator can be enhanced with the
generation of an error that depends on the parameters of the 'range
equation', thus making it effectively a radar simulator. Similarly
other target sources (such as ADS or voice) can be generated.
Trajectory Adjustment and Optimization
The Trajectory Adjustment and Optimization (TAO) process of
AwSim
Plus receives Trajectories generated by the simulator (or any other
source of trajectories) and adjusts them with regard to a number of
selected criteria. The most important of which may be the resolution
of expected conflicts or avoidance of restricted airspace, or
optimization with regards to fuel burn. The result of TAO is a new set
of Trajectory objects, based on the original ones. The order of
adjustment (altitude, lateral, velocity, or time shift) is selectable
as well as allowing for any or all dimensions to be suppressed from
the adjustment. The process can be plugged into the
AwSim system data
flow at any point with the input and output to the process being in
the Trajectory format.
Intelligent Conflict Resolution
The Intelligent Conflict Resolution process of
AwSim Plus is an
extension to the TAO process that provides solutions to predicted
conflicts optimized based on user driven criteria. A more complex
system of criteria is supported here: a) procedure types (flight level
change, re-routes, speed changes, etc), b) minimum path, c) minimum
time, and d) minimum fuel. The types of conflicts processed include
conflicts with other aircraft, reserved airspaces, and weather.
Weather systems are treated here as moving reservations and could be
simulated or generated from a source of weather data. This conflict
resolution can be incorporated into the trajectory propagation cycle
for a continuous resolution process.
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