Using of Neural Network Technologies for Detecting Information Security Incidents

Markov, R.A.; Bukhtoyarov, V. V.; Popov, A.; Bukhtoyarova, N. A.

doi:10.24153/2079-5920-2016-6-1-78-80

STVB

2016

DOI: 10.24153/2079-5920-2016-6-1-78-80

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Using of Neural Network Technologies for Detecting Information Security Incidents

R.A. Markov¹,

V. V. Bukhtoyarov²,

A. Popov³

et al.

Abstract: Журнал зарегистрирован в Управлении Федеральной службы по надзору в сфере связи, информационных технологий и массовых коммуникаций ПИ № ФС77-41672 от 13 августа 2010г. Журнал размещен в открытом бесплатном доступе на сайте www.ntvp.ru, и в Научной электронной библиотеке (участвует в программе по формированию РИНЦ). Журнал включен ВАК РФ в перечень научных журналов, в которых должны быть опубликованы основные научные результаты диссертаций на соискание ученых степеней доктора и кандидата наук. Подписной индекс … Show more

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Cited by 4 publications

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Experimental estimation of residual propellant in the fuel tanks with innertank capillary devices for spacecraft propulsion systems

Сапожников

Polyanskiy

Korol'kov

et al. 2019

EJSI

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The paper presents the results of experimental studies of the processes of emptying the fuel tanks of spacecraft liquid rocket propulsion systems at the final stages of free (undisturbed) flight in tanks with innertank capillary devices (IT CD). On the basis of the analysis of the emptying process, the dimensionless complex structure is formed. The complexes determine the dependence of the residual propellant on the physical properties of the propellant and the parameters of the IT CD. Experimental studies were performed on the weightlessness stand, using the principle of realization of the conditions of reduced weight in tested equipment free fall. The results of the experimental studies have shown that the main criterion determining the value of residual propellant is the Froude number. The criterion equation for determination of residual propellant is obtained. The influence of viscosity and surface tension of the propellant on the value of residual propellant begins to affect at the values of the Froude numbers exceeding 104.

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Experimental estimation of residual propellant in the fuel tanks with innertank capillary devices for spacecraft propulsion systems

Сапожников

Polyanskiy

Korol'kov

et al. 2019

EJSI

View full text Add to dashboard Cite

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Simulation of drip-rain effects by tribofatigue loading

Aliev

Ampilogov

2020

EJSI

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The outer surfaces of aircraft are periodically subjected during flight to intense rain causing hydroerosion of the outer paintwork. The experimental evaluation of hydroerosion resistance is based on testing in high-speed water flow. The main drawback of such research is the bulkiness of the stands, high water and energy consumption, and, as a result, increased cost. As an alternative to drip-rain tests, their simulation by kinetically similar tribofatigue test according to the “ball on plate” scheme is proposed (vertical load is applied to the polymer coating on a rigid substrate through a steel ball). The process is cyclically repeated until the coating is worn to the specified thickness. The experimentally obtained tribofatigue characteristics then can be converted into close-meaning estimates of erosion resistance. CAAPCOAT-B274-ASP108 polyurethane, previously tested for rain erosion, was selected as the sample. For quantitative evaluation of the transition from drip-rain loading to equivalent tribofatigue one the contact mechanics formulas were used by calculating the force of the drip impact and the stress in the contact spot. Tribofatigue tests were conducted on the UMT-2 TriboLab unit. At equal calculated contact stress levels the wear rate under tribofatigue loading was almost 7 times higher compared to the conditions of rain-drop erosion. The reason may be a scale factor due to the actual difference in contact areas under drip and tribofatigue loading, as well as the failure to take into account the dynamics of waves after the impact of drops. The obtained results of tribofatigue tests can give an estimated value of the hydroerosion resistance of the coating.

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An experimental space-purpose solar cell with a carbon fiber honeycomb frame: features of development and test results

Naumova

Lebedev

Vagapova

et al. 2020

EJSI

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The study describes the design, the process of developing and testing an experimental solar cell of S ≈ 110 cm2 for spacecraft with a photogenerating part of three-stage photovoltaic converters on a carbon fiber reinforced plastic honeycomb frame coated with a polyamide. The honeycomb frame was developed and introduced by Keldysh Research Center; design, assembly and testing of an experimental prototype of the solar cell were carried out in JSC SPU «Kvant». The main advantage of the considered sample of the solar cell is a low construction height of the carbon fiber frame with the formed photogenerating part, which increases the power in the starting volume and the specific power at the optimum point while maintaining the required rigidity, lightness, high vibration resistance, resistance to weathering and increased operational reliability. The test modes were selected similar to the ones for solar cells of spacecraft, designed to operate in geostationary orbit. The following tests were carried out: thermal cycling, high humidity, strength with exposure to sinusoidal vibration. Before and after testing of each type, the solar cell was monitored; the electrical insulation resistance and electrical characteristics were checked on a pulsed simulator of an extra-atmospheric sun at room temperature. The test results were recognized as successful: the most sensitive characteristic - short-circuit current, in comparison with the initial value showed a decrease of only 3 %.

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Using of Neural Network Technologies for Detecting Information Security Incidents

Cited by 4 publications

References 0 publications

Experimental estimation of residual propellant in the fuel tanks with innertank capillary devices for spacecraft propulsion systems

Experimental estimation of residual propellant in the fuel tanks with innertank capillary devices for spacecraft propulsion systems

Simulation of drip-rain effects by tribofatigue loading

An experimental space-purpose solar cell with a carbon fiber honeycomb frame: features of development and test results

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