Evgenіy Rybka
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View article: Development of a strategy for using the bispectrum of dangerous parameters to determine an informative signs of detection of materials inflammation
Development of a strategy for using the bispectrum of dangerous parameters to determine an informative signs of detection of materials inflammation Open
The object of the study is an informative sign of detecting ignition of materials in premises based on the assessment of the bispectrum of a dangerous parameter of the gas environment. The problem is to develop a strategy for using the bis…
View article: Modeling the Behavior of Modular Reinforced Concrete Shelters Under Explosion Conditions
Modeling the Behavior of Modular Reinforced Concrete Shelters Under Explosion Conditions Open
The purpose of the work is to study the safe operation of modular reinforced concrete shelters under explosion conditions to ensure the safety of people inside while protecting them from the effects of air strikes. The scientific novelty i…
View article: Development of a method for rapid detection of fires based on combined current sampling and dispersions of a controlled hazardous environmental parameter
Development of a method for rapid detection of fires based on combined current sampling and dispersions of a controlled hazardous environmental parameter Open
The object of research is the process of detecting the ignition of materials in a premise based on the joint use of current sample means and variances of the controlled hazardous gas environment parameter. The problem is to develop a metho…
View article: Identifying the features in histograms of increments in hazardous parameters of the gas environment at the ignition of materials in unhermetic premises
Identifying the features in histograms of increments in hazardous parameters of the gas environment at the ignition of materials in unhermetic premises Open
The object of this study is the histograms of increments in hazardous parameters of the gas environment in a leaky room in the absence and presence of fires of materials. The task of early detection of fires of materials in rooms was addre…
View article: Experimental Study of Combustion Characteristics of Typical Material in a Non-Hermetic Room
Experimental Study of Combustion Characteristics of Typical Material in a Non-Hermetic Room Open
The results of experimental study of combustion peculiarities of typical materials (alcohol, paper, wood and textiles) in a small-sized unsealed chamber are presented. By the method of exponential filtering of measurements by traditional f…
View article: Detection of fire by comparison of sampling coefficients of variation of current measurements of dangerous parameters of the gas environment
Detection of fire by comparison of sampling coefficients of variation of current measurements of dangerous parameters of the gas environment Open
The object of this study is the selective coefficient of variation of dangerous parameters of the gas environment, which are caused by the general aggregates of reliable absence or occurrence of ignition of materials. The method of prompt …
View article: Method for Detecting Fire Indoors Based on Differences in Sample Averages of an Arbitrary Gas Environment Dangerous Parameter at Adjacent Observation Intervals
Method for Detecting Fire Indoors Based on Differences in Sample Averages of an Arbitrary Gas Environment Dangerous Parameter at Adjacent Observation Intervals Open
The object of the research is the series average of the dangerous parameters of the gas environment during the ignition of materials. The practical importance consists of using the difference between the average dangerous parameters of the…
View article: Method for early ignition detection based on the sampling dispersion of dangerous parameter
Method for early ignition detection based on the sampling dispersion of dangerous parameter Open
The object of the study is the selective dispersion of dangerous parameters of the gas environment during material fires. The practical importance of research consists in using the difference of sample dispersions of dangerous parameters o…
View article: AVERAGE PHASE OF THE BISPERCLE OF THE CONCENTRATION OF CARBON OXIDE IN THE GAS ENVIRONMENT OF ROOMS AT THE INTERVALS OF THE ABSENCE AND APPEARANCE OF THE IGNITION OF MATERIALS
AVERAGE PHASE OF THE BISPERCLE OF THE CONCENTRATION OF CARBON OXIDE IN THE GAS ENVIRONMENT OF ROOMS AT THE INTERVALS OF THE ABSENCE AND APPEARANCE OF THE IGNITION OF MATERIALS Open
The object of the study is the dynamics of carbon monoxide concentration in the gaseous environment during fires of materials in premises. The importance of such a study is related to the possibility of using the measure of the average pha…
View article: Features of determining the time of evacuation of people from buildings in case of fire
Features of determining the time of evacuation of people from buildings in case of fire Open
The object of the study is the safe evacuation time of people in case of fire from a typical secondary education institution. The problem was solved, which consisted in the inconsistency of the quantitative assessment of «pre-evacuation ti…
View article: Determining the features of histograms of dangerous parameters of the gas environment in the absence and occurrence of fire
Determining the features of histograms of dangerous parameters of the gas environment in the absence and occurrence of fire Open
The object of research is histograms of the dynamics of dangerous parameters of the gas environment, the values of which are measured in real time at the intervals of absence and ignition of materials. The method of determining histograms …
View article: Empirical Cumulative Function of Distribution Studies of the Dynamics of State the Gas Medium in the Fire Heat Sources Occurrence
Empirical Cumulative Function of Distribution Studies of the Dynamics of State the Gas Medium in the Fire Heat Sources Occurrence Open
A technique empirical cumulative distribution function of the dynamics of increments of the state vector of the gaseous medium is substantiated. The technique is bussed on non-recurrence of increments of the state vector. Explored function…
View article: Comparison of bicoherence on the ensemble of realizations and a selective evaluation of the bispectrum of the dynamics of dangerous parameters of the gas medium during fire
Comparison of bicoherence on the ensemble of realizations and a selective evaluation of the bispectrum of the dynamics of dangerous parameters of the gas medium during fire Open
The object of the study is the bicoherence of the bispectrum assessment of the dynamics of dangerous parameters of the gas environment during the ignition of materials. The subject is a measure of bicoherence of the bispectrum estimation f…
View article: Revealing the peculiarities of average bicoherence of frequencies in the spectra of dangerous parameters of the gas environment during fire
Revealing the peculiarities of average bicoherence of frequencies in the spectra of dangerous parameters of the gas environment during fire Open
The object of this study is a change in the hazardous parameters of the gas environment when materials are ignited in the premises. The subject is the features of the average bicoherence of the frequencies of the spectra of changes in the …
View article: IDENTIFICATION OF THE FACTORS OF THE OPERATIONAL SITUATION DURING THE PARTICIPATION OF THE NATIONAL GUARD GROUP OF UKRAINE IN THE LIQUIDATION OF AN EMERGENCY SITUATION AT A HYDROTECHNICAL STRUCTURE
IDENTIFICATION OF THE FACTORS OF THE OPERATIONAL SITUATION DURING THE PARTICIPATION OF THE NATIONAL GUARD GROUP OF UKRAINE IN THE LIQUIDATION OF AN EMERGENCY SITUATION AT A HYDROTECHNICAL STRUCTURE Open
Natural disasters and catastrophes on our planet take human lives every year, lead to the destruction of cities and industrial facilities, causing great damage to the objects of the national economy and the environment. Thousands of potent…
View article: Peculiarities of amplitude spectra of the third order for the early detection of indoor fires
Peculiarities of amplitude spectra of the third order for the early detection of indoor fires Open
The object of this study is the dynamics of hazardous parameters of the gas environment during the ignition of materials. The problem that was solved is the early detection of fires in the premises. The research results indicate the nonlin…
View article: Empirical cumulative distribution function of the characteristic sign of the gas environment during fire
Empirical cumulative distribution function of the characteristic sign of the gas environment during fire Open
The object of this study is the dynamics of a characteristic sign of an increment in the state of the gaseous medium in the premises when a thermal source of fire appears. The subject of the study is the type of an empirical cumulative fun…
View article: Development of a method for assessing the reliability of fire detection in premises
Development of a method for assessing the reliability of fire detection in premises Open
The object of this study is the detection of fires in the premises. The problem that was solved is the development of tools to assess the reliability of detection of fires in the premises based on the recurrence of the vector of increases …
View article: Defining the features of amplitude and phase spectra of dangerous factors of gas medium during the ignition of materials in the premises
Defining the features of amplitude and phase spectra of dangerous factors of gas medium during the ignition of materials in the premises Open
This paper theoretically substantiates research into the spectral features of the dynamics of the main dangerous parameters of a gas environment when igniting materials in a laboratory chamber. Studying such spectral features is based on t…
View article: Investigating errors when forecasting processes with uncertain dynamics and observation noise by the self-adjusting brown's zero-order model
Investigating errors when forecasting processes with uncertain dynamics and observation noise by the self-adjusting brown's zero-order model Open
This paper reports a study into the errors of process forecasting under the conditions of uncertainty in the dynamics and observation noise using a self-adjusting Brown's zero-order model. The dynamics test models have been built for predi…
View article: FIRE RESISTANCE OF REINFORCED CONCRETE AND STEEL STRUCTURES
FIRE RESISTANCE OF REINFORCED CONCRETE AND STEEL STRUCTURES Open
The scientific bases of ensuring fire resistance of reinforced concrete and steel building structures in the conditions of modern extreme influences are laid. The current state of fire safety of buildings and structures, as well as approac…
View article: Devising a self-adjusting zero-order Brown’s model for predicting irreversible processes and phenomena
Devising a self-adjusting zero-order Brown’s model for predicting irreversible processes and phenomena Open
A self-adjusting zero-order Brown’s model has been devised. This model makes it possible to predict with high accuracy not only fires in the premises but also irreversible processes and phenomena of a random and chaotic nature under actual…
View article: Short-term forecast of fire in the premises based on modification of the Brown’s zero-order model
Short-term forecast of fire in the premises based on modification of the Brown’s zero-order model Open
This paper reports the rationale for the modification of Brown’s zero-order model, which ensures increased accuracy of the short-term fire forecast based on the use of the current measure of recurrence in the increments of the state of the…
View article: Short-term fire forecast based on air state gain recurrence and zero-order brown model
Short-term fire forecast based on air state gain recurrence and zero-order brown model Open
Possibilities of parameterization of the zero-order Brown model for indoor air forecasting based on the current measure of air state gain recurrence are considered. The key to the zero-order parametric Brown forecasting model is the select…
View article: Development of the method of operational forecasting of fire in the premises of objects under real conditions
Development of the method of operational forecasting of fire in the premises of objects under real conditions Open
A method for operational forecasting of fires is proposed that enables the sequential implementation of five procedures. The method development is necessary to predict early fires in premises in order to take measures to prevent them from …
View article: Construction of a method for detecting arbitrary hazard pollutants in the atmospheric air based on the structural function of the current pollutant concentrations
Construction of a method for detecting arbitrary hazard pollutants in the atmospheric air based on the structural function of the current pollutant concentrations Open
This paper reports the construction of a method for calculating the structural function within a moving window of the fixed size, based on measuring the vector of current concentrations of arbitrary air pollutants. The use of a moving wind…