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The issues of cybernetic security are considered in the aspect of effective proposals of alternatives to the satellite system in order to be able to promptly reorient to a backup positioning system in case of any technical problems. The assessment of the use of computer-specific competencies in the field of information technologies of the marine fleet as a secondary factor of end-to-end cybernetic security management is given. Information processing in a duplicate analogue of the positioning system is based on the technology of spline functions in order to extract the advantages of piecewise approximation for practical navigation purposes. The functionality of the navigator is analyzed within the framework of the «augmented reality technology» of the bridge of the future with the possibility of observational fixation of the look of the watch officer based on improved virtual professional scenarios against the background of the flow of typical navigation information. In addition to alternatives to the traditional positioning system, the requirements of space all-weather, system noise immunity and round-the-clock use in emergency situations, military conflicts and man-made disasters are formulated. In the circumstances of uncertainty of satellite systems, the problems of their vulnerability are theoretically leveled due to the intended use of navigation equipment based on other physical principles of operation. Correlation-extreme navigation through natural geophysical fields, the innovative e-LORAN project and the means of celestial navigation automated on the basis of computing resources of the onboard computer are highlighted as promising variants of the autonomous positioning principle. The research carried out in this work is combined with the results of experiments within the framework of the magnetic navigation project on the practical implementation of autonomous aviation positioning. Validation of the characteristics of the isotropic field as an informative standard of correlation-extreme navigation is confirmed by practical implementations of various fragments of geophysical fields in the form of three-dimensional visualizations of spline synthesis. The accuracy of geolocation with «terrain-referenced navigation» by extreme indicators is analysed. The forecast of achievability of the predictability effect of a mobile object location in a satellite-based environment is given with optimal motion control using predictive modeling, provided that an accurate assessment of the uncertainty of the navigation system is foreseen. The algorithms tested on the methods of spline functions to ensure authoritative positioning are performed as an intellectual support for the ship’s management staff in an emergency situation.
The issues of cybernetic security are considered in the aspect of effective proposals of alternatives to the satellite system in order to be able to promptly reorient to a backup positioning system in case of any technical problems. The assessment of the use of computer-specific competencies in the field of information technologies of the marine fleet as a secondary factor of end-to-end cybernetic security management is given. Information processing in a duplicate analogue of the positioning system is based on the technology of spline functions in order to extract the advantages of piecewise approximation for practical navigation purposes. The functionality of the navigator is analyzed within the framework of the «augmented reality technology» of the bridge of the future with the possibility of observational fixation of the look of the watch officer based on improved virtual professional scenarios against the background of the flow of typical navigation information. In addition to alternatives to the traditional positioning system, the requirements of space all-weather, system noise immunity and round-the-clock use in emergency situations, military conflicts and man-made disasters are formulated. In the circumstances of uncertainty of satellite systems, the problems of their vulnerability are theoretically leveled due to the intended use of navigation equipment based on other physical principles of operation. Correlation-extreme navigation through natural geophysical fields, the innovative e-LORAN project and the means of celestial navigation automated on the basis of computing resources of the onboard computer are highlighted as promising variants of the autonomous positioning principle. The research carried out in this work is combined with the results of experiments within the framework of the magnetic navigation project on the practical implementation of autonomous aviation positioning. Validation of the characteristics of the isotropic field as an informative standard of correlation-extreme navigation is confirmed by practical implementations of various fragments of geophysical fields in the form of three-dimensional visualizations of spline synthesis. The accuracy of geolocation with «terrain-referenced navigation» by extreme indicators is analysed. The forecast of achievability of the predictability effect of a mobile object location in a satellite-based environment is given with optimal motion control using predictive modeling, provided that an accurate assessment of the uncertainty of the navigation system is foreseen. The algorithms tested on the methods of spline functions to ensure authoritative positioning are performed as an intellectual support for the ship’s management staff in an emergency situation.
BACKGROUND: Head tracking movements are common in interceptive tasks. The benefits of these movements are unclear. The purpose of this study was to compare coincidence anticipation timing (CAT) responses for a simulated approaching object when the eyes were used in tracking the object and when the head was used in tracking the object.METHODS: A total of 29 subjects participated. A Bassin Anticipation Timer consisting of a track of sequentially illuminated lights was used to simulate an approaching object at velocities of 223 cm · s−1 to 894 cm · s−1. Each velocity was used 10 times under 2 conditions. In one condition, subjects were told to turn the eyes with the stimulus. In the other condition, subjects viewed the stimulus through apertures and were told to turn the head with the stimulus. Subjects pushed a button to coincide with illumination of the final light on the track.RESULTS: Signed CAT errors, unsigned CAT errors, and variable CAT errors were compared between the head movement (HM) and eye movement (EM) conditions. No significant differences were noted for the signed errors (mean signed error at 894 cm · s−1; 10.3 ± 75.4 ms (HM), −16.1 ± 51.0 ms (EM). However, the unsigned and variable errors were significantly larger at some stimulus velocities in the head movement condition [mean unsigned error at 894 cm · s−1: 82.6.0 ± 45.9 ms (HM), 59.0 ± 22.4 ms (EM); mean variable error at 894 cm · s−1; 78.0 ± 37.8 ms (HM), 49.2 ± 17.1ms (EM)].DISCUSSION: Head movement did not result in improved CAT performance compared to eye movements. Further work will be required to determine whether these results are generalizable to situations where head tracking is required but apertures are not worn.Ross E, Kinney M, Fogt N. Coincidence anticipation timing responses with head tracking and eye tracking. Aerosp Med Hum Perform. 2022; 93(2):79–88.
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