STRATEGY OF DATA INTEGRITY CONTROL FOR SYSTEM WIDE INFORMATION MANAGEMENT CONCEPT

The growth in demand for air transportation services is steadily ahead of the capacity of carriers. The most advanced aviation empires set a goal to triple the capacity of the current air traffic management system by the mid-twenties. The technical basis for such achievements is equipping all aircraft with automatic dependent surveillance broadcast systems, which provides both control over the parameters of their movement anywhere in the world, and reliable mutual exchange of verified information on the air picture and forecasts of its development between all pilots and ground services.
The concepts of collaborative decision-making on air traffic flows management and System Wide Information Management, suggested by ICAO experts, have proclaimed the idea of the flight information availability as a means of increasing the intensity of flights, not only for considering, but also for making changes in it by all the participants of the process of organizing and servicing the flows – analysts, meteorologists, planners, air traffic controllers, pilots (in the part relating to their area). The technology of specialists’ cooperation is proposed. It allows to make sensible decisions on servicing aircraft flows for the whole depth of their flights (both on routes and along free trajectories) when changing the conditions for performing flights.
The task is to develop software procedures for computer support of new concepts that ensure the integrity of aeronautical data used by all the participants in the operational organization of flows. All the interconnected elements of air traffic management (personnel and equipment) may distort the system public information with the known probability of cooperation outcomes. The article proposes a three-level algorithm for neutralizing data mismatch in the elements of a distributed network of process participants ground and on-board computing facilities, allowing in the actual time to maintain consistency of information about the current air situation and its development prospects. An optimal strategy for the algorithm application has been constructed (by the criterion of computational resource expenses).

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