Design and evaluation of a four-dimensional interface for air traffic control

Abstract

The increasing complexity of the air traffic system is pushing towards the development of innovative and more automated tools conceived to manage it. In this scenario, an important role is played by HCI (human—computer interfaces) used by air traffic controllers and operators to visualize and interact with air traffic data. Currently, information about three-dimensional (3D) scenery is displayed with a two-dimensional representation.

This paper presents the design, development, and evaluation of an innovative interface for air traffic control (ATC) based on a four-dimensional (4D) (3D space+time) visualization display.

The proposed interface allows the operator to perceive all the information, including meteorological conditions, that is useful for TWR/APP (ToWeR/APProach) control in a unique 4D synthetic reconstruction of the airport area. Particular attention is dedicated to the fourth variable, time, which is a fundamental parameter in ATC. A simple and fast trajectory prediction algorithm has been implemented in order to provide the operator with an effective ‘user assistance’ tool in conflict detection activities.

The interface has been evaluated by performing test simulations and surveys were used to collect results and useful advice for its future development.

Keywords

human—computer interfaces air traffic control virtual reality synthetic environment

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