Search

The main goal of the research is to develop an artificial intelligence technology to assess the practical knowledge of air traffic controller (ATCo) students based on their responses in simulated multitasking situations using the proposed neuro-fuzzy model verified in experiments. An informational neuro-fuzzy model was developed and verified on 157,500 real data points. It illustrates an example of inferring the level of practical knowledge in selected ATCo students who were tested using a device measuring the reaction time and relative error rate in multiple-task tasks. The average error in the incorrect response was 7.7% of the experimental data. Data processing was performed using fuzzy set theory and intellectual knowledge analysis. These measurement results are useful for an individual approach to the student’s education to understand and master the correct solutions to achieve the desired educational results. Ensuring a personal approach to the student’s education is key to acquiring the necessary skills, knowledge, and competencies in the profile of the graduate. The developed technology will enable the integration of automated knowledge and skills assessment systems into the real educational process and the identification of problematic topics and tasks in the training of individuals. The result of the conducted research was used for the software design for the practical application in the flight training of ATCo students.

The article presents an experimental exploration of the selected technical features of the Avigilon 2.0C-H4A-BO1-IR Compact Zoom Camera with IR Adaptive Illumination. The article describes the purpose, procedure, and results of the motion detection verification, as well as the identification of motion detection errors, using Avigilon's investigated camera, to the distance of guaranteed recognition capability in specific daylight conditions that determines video analysis. This article constitutes the first part of the internal research activity of the Department of Flight Preparation - pre-research, for the design of an integrated mobile airport security system. For safety reasons, the testing was performed near the airport and not at the airport. The test sample was obtained by using the Avigilon 2.0C-H4A-BO1-IR camera located 8 meters above the ground level in the direction of the selected perimeter of the "protected area" for the experiment. The movement in the space was made by people and the passage of motor vehicles at a distance that was less than the distance guaranteed by the camera's recognition capability in the specific daylight conditions. The movement of persons and motor vehicles was generally performed perpendicular to the position of the camera, left to right, and/or back. The speed of movement of people was, as a rule, an average walking speed of 1m/s, the motor vehicles ranging up to 40km /h. Identification of motion detection errors is important for corrections of the prepared information model of security risk assessment of a protected object based on the fuzzy logic to support the airport security management decisions, as well as for finding a technical solution to eliminate these camera vulnerabilities, or selecting and testing another camera for our mobile technology platform. The results advance our theoretical knowledge and have a praxeological significance for the creation of a technological demonstrator and subsequently a prototype of a smart mobile airport security system. Institutions responsible for the protection of state borders, the fight against illegal migration, smuggling of goods, etc. are also interested in mobile security solutions.

Testing in the field of parachute technology provides space for the application of new and innovative methods of measuring operating and functional parameters. The main aim of the paper is to present the results of research for the verification of the photo-optical method of measuring the vertical speed of the M-282 parachutes, and for its use in testing, collecting, and investigating motion data in parachuting. As part of this measuring technology, twelve jumps were performed. It was verified that the experiment was completed for the M-282 parachute according to the regulation of SAE AS 8015B “Minimum Performance Standard Parachute Assemblies and Components”. An analysis of the influencing factors and quantification of their influence on the uncertainty of the measurement results was also performed. The results of the measurement achieved by using the photo-optical method were compared with the measurement with the electronic variometer FLYTEC 4030. The vertical speed of the M-282 parachute (4.655 m·s−1) defined by the photo-optical method is significantly similar to the vertical speed of the M-282 parachute (4.662 m·s−1) defined by FLYTEC 4030. We can state that the process of identifying the vertical speed of the parachute by the photo-optical method was correct. This is a suitable method of evaluating motion data in the operation of M-282 type parachutes. In the following research for generalization of the methodology, we assume the performance of more than 60 experimental jumps using different types of parachutes, digital sensors (cameras), and a photo-optical method to examine motion data and formulate recommendations for testing, investigative applications, individualized training programs, and aspects of parachuting injury prevention.

The specific professions of aviation personnel include the professions of the pilot and air traffic controller. These occupations are specific in that while performing their work, they must be able to simultaneously operate the devices in the handling area and in the pedipulation area, supplemented by acoustic sensations in the form of correspondence between flying and ground stations. The performance requirements of pilots and air traffic controllers place high demands on their health, psychological condition, attention, and concentration, due to being in constant pursuit of minimization of erroneous decisions, otherwise defined as the human factor in aviation. This article is focused on the development and testing of a technical device for measuring the relative error rate of students in multitasking tasks in preparation for employment. The main result is a designed technical device with hardware (HW) and software (SW) parts. An experimental method was used to measure the qualitative and quantitative performance indicators of the test subjects. The results of the experiment were observed and evaluated based on the analytical-synthetic method based on critical thinking. By comparing and abstracting the measured data, the reference values of the performance indicators of the tested subjects were determined. The selection of the final sample of subjects consisted of two phases. In the first phase, questionnaires were evaluated, and in the second phase, reaction time measurements during multitasking tasks using technical equipment were evaluated. Based on the measurements, an error ratio was defined, which could be graphically represented. The testing proved the full functionality of the designed technical equipment for these purposes in aviation education.

This article evaluated the functionality and reliability of the personal airborne equipment backpack TL-98 before its launch in military parachute operations. An objective of this project was the verification of the TL-98’s characteristics which could be important in terms of the safety of the operation of the parachute, i.e., its functionality and reliability during flight and fall tests. A major effort within this research was focused on the fall tests of the TL-98 in standard parachute operational conditions. The strength of the backpack’s anchorage points (by which the backpack is attached to the parachute harness) was verified by flight test, where it was dropped from the aircraft at the maximum operating speed and at the maximum operating weight of the backpack; the backpack’s maximum operating weight had been increased by multiplying the standard maximum operating weight by a safety factor of 1.2. During the fall tests of the backpack, after its disconnection from the parachute harness (during ground tests and the test during the test jump), the strength of the backpack’s anchoring eye and the strength of the rope with which the backpack is connected to the parachute harness were verified. Another objective of this research was the collection of information to define the TL-98’s rope lifetime, which serves for the dropping of the TL-98. To fulfill this goal, the impact forces on the rope during the backpack’s fall were measured using a force sensor. The values of the impact forces were then calculated and compared with the values from the experiment. Using experimentally obtained results and their comparison with the calculated results, the lifetime of the TL-98 rope for parachuting operations was determined on the basis of predetermined criteria.