Issue 183, article 3

Khokhlov Yevgenii M., President of Scientific and Methodological Center of Process Analysis, Borshchagovskaya st. 109/141, ap.102, Kiev, 03056

Hryshchenko Yurii V., PhD (Technics), Associate Professor of Avionics Department of Institute of Aeronavigation, National Aviation University of the Ministry of Education and Science of Ukraine, av. Kosmonavta Komarova, 1, Kiev, 03680,

Volodko Olga N. Student of Institute of Aeronavigation, National Aviation University of the Ministry of Education and Science of Ukraine, av. Kosmonavta Komarova, 1, Kiev, 03680,


Introduction. Often during the operation aircraft of a new generation which has electronic on-board equipment (literally “flying computers”) there occur failures, where electronic failures are up to 70–80% and we can observe intensive trends of their increasing. One way or another all resonance aircraft incidents (Sknilov, Smolensk, Cam Ranh, etc.) have technological causes (causa finales) which are– integrated avionics failures — control systems or security systems.

A significant number of aircraft accidents and serious incidents occur due to technical causes — failures of avionics and onboard equipment. This work for the first time examined avionics failures as random cyclic processes and ways of detecting them.

The purpose of the article is to develop and establish a method for determining the quality of piloting by the contours of the correlation fields of flight parameters which is based on the analysis aviation accidents and simulation experiments.

Results. The proposed method of determining the quality of piloting by the contours (contour figures) of correlation fields of flight parameters is that by determining the presence or absence of areas of contour figures of correlation fields of flight parameters, the first signs of absence or occurrence of failures of avionics in complicated flight conditions are determined.

Conclusions. The method for determining the quality of piloting by the contours (contour figures) of correlation fields of flight parameters, failures avionics and onboard equipment shows sufficient efficacy for creating analyzers of first signs of failures.

At the complex failures which are associated with the transition from the suitable for flight path sections to not suitable for flight areas and vice versa, we may observe the effects of complete transformation and conversion of plane contour figures in the linear configuration.

At the failures which are not associated with the transition to not suitable for flight path sections, we may observe the effects of compression and reduction of the area of contour figures (contours) of correlation fields.

Transition to the analysis of contours of correlation fields at recognizing contour figure is limited for signs of complex failures with 4-6 reference frames in the identification of the presence or absence of contour area. It is essential for the analysis of fast failures, cycles of which are comparable with the time of sensorimotor reaction of aircraft operators.

Keywords: quality of pilotage, contour, correlation field, human factor.

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Received 10.02.2016

ISSUE 181, article 3


Kibern. vyčisl. teh., 2015, Issue 181, pp.

Hryshchenko Y.V., Skrypets A.V., Tronko V.D.

National Aviation University of Ministry of Education and Science of Ukraine (Kiev)


Introduction. Nowadays,  proportion of accidents caused by the human factor (HF) is 80-90%. Despite the fact that these events are unlikely to happen, due to them at one time hundreds of lives may be taken away. Previous research works at assessment of change of integral-differential motor dynamic stereotype (IDDS) of pilot showed that the negative impact on the crew of factor overlays (FO) is simultaneously operating factors that often are imitated by failures in complex aircraft simulator significantly affect the quality of piloting technique (QPT). Stress caused by FO also leads to faulty actions. Simulation of FO action by implementation of complex failures on the simulator opens great opportunities for antistress training of pilots and the rest of the crew. Research has shown that in training certification centers approximately 70% of the pilots have no resistance to FO and the same pilots show the phenomenon of amplification of IDDS (PAIDDS), which is negative that there is an increase in the amplitude of the control motions that the operator does not notice without special training and equipment. It should be noted that the approach phase is the most accidental [1-3].
Motion Path of aircraft allows to determine the level of operator’s training, its psycho-physiological condition and quality of all elements of the aircraft. More common problem statement is how to define the technical and psychological state of the operator-machine-environment (SOME) at approaching the landing.
The purpose of this work is to determine opportunities and formation of mathematical models of the aircraft control by correlation functions while entering the glide path to improve the quality of landing.
Conclusions. In this study there is established that is possible to control the trajectory of the aircraft on glide path by the correlation function by our proposed formulas, especially: description of the correlation function without influence of factor overlaps and on the glide path with periodic factor overlap.
There are considered various options entering the glide path of an aircraft. We derive the numerical values of influence of timeliness of entrance to the glidepath on the quality of the landing at the outstrip and delay and it is shown that the correlation function of delay on outstrip is decreasing faster. It is concluded that the delay in entering the glide path by the pilot is more dangerous than outstrip.
The obtained results require the implementation in production technology of flight to improve the quality of trajectory control of the aircraft movement.

Keywords: correlation function, the human factor, glissade, flying.

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Received 06.07.2015