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  5. Algorithm for adaptive scaling of information model of air display imaging

Algorithm for adaptive scaling of information model of air display imaging

G. Shcherbak, I. Borozenec, S. Shylo, O. Dmitriiev, S. Kukobko
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Description: Modern experience of technical operation of automated air traffic control systems indicates that the solution to the problem of eliminating the overlapping effect in formulary way of displaying the air picture occurs in a non-automated mode. As a rule, the operator uses only two methods: dragging one of the aircraft tracking form into the free zone of the information model and reducing the number of familiarity in the form (switching between states or types of forms). This increases the time to perform the task of managing air traffic and reduces the likelihood of assessing the air picture. Therefore, the urgent task is to develop an adaptive scaling algorithm for the information model of displaying the air picture, which can recognize the overlapping forms and reflect them in the appropriate method of division. That should provide appropriate conditions for reliable operators’ as-sessment of the air traffic. The paper presents the results of scientific studies of the effect of overlapping information when apply-ing the formular method of displaying the air picture in modern automated air traffic control systems. The article considers the possibility of taking into account the effect of the overlap of aircraft tracking in the formation of the model of the air picture on the means of displaying information for individual and collective use of automated air traffic control systems. The indicator characterizing the degree of intersection of each individual aircraft tracking form displayed on the screen is substantiated. Ac-cording to the results of experimental studies, we can see the dependences of the average perception time and the probability of error-free perception of the information model of the air picture by the operator on the coefficient of the overlapping forms. The developed algorithm for adaptive scaling of the information model of displaying the air picture on the monitor screen of an automated air traffic control system, in contrast to the known ones, provides for: the possibility of determining the fact of the imposition of aircraft tracking forms together with the number of overlapping forms; the use of new information technologies that allow you to create a “split screen” in the field of the information model of the air picture or change the scale of the selected area (magnifying effect) to display the aircraft tracking forms that should be visually divided; prioritization of service (scaling) of interconnected aircraft tracking forms. The article suggests a possible implementation variant for managing the scaling of aircraft tracking forms when they are applied for displaying on the workplace of operators of an automated air traffic control system taking into account the complexity of these tasks.


Keywords: air traffic control, information environment interface, aircraft tracking form, decision-making support, air traf-fic controller activities.

References

Reference:
 Shcherbak, H.V., Borozenets, I.O., Shylo, S.H., Dmitriiev, O.M. and Kukobko, S.V. (2019), “Alhorytm adaptyvnoho masshtabuvannia informatsiinoi modeli vidobrazhennia povitrianoi obstanovky” [Algorithm for adaptive scaling of information model of air display imaging], Information Processing Systems, Vol. 3(158), pp. 27-35. https://doi.org/10.30748/soi.2019.158.03.