bluuebunny/crossref_metadata_2025_split huggingface dataset:
Automation of technological preparation of single and small-scale production using simulation modeling
Authors: Khrustaleva I N , Lyubomudrow S A , Tolstoles A A 
Published: November 2019

Abstract
The article describes the model of technological preparation of engineering production. The described model includes three levels: the level of design and analysis of technological processing routes, the applied technological equipment, the level of the methodology for determining the best process option, the level of analysis and control of the production schedule, operational correction of the production schedule to eliminate bottlenecks. Criteria for choosing the best process option and its objective function are described. The practical application of the developed model of technological preparation of production is presented on the example of a ship repair plant. The work was financially supported by the Ministry of Education and Science of the Russian Federation in the framework of the Federal Targeted Program for Research and Development in Priority Areas of Advancement of the Russian Scientific and Technological Complex for 2014-2020 (14.584.21.0022, ID RFMEFI58417X0022).
Conceptual model of radio complex to ensure the safety of underground production mining
Authors: Konstantinov A V , Shpenst V A 
Published: November 2019

Abstract
The paper presents the basic structure of multifunctional security systems for underground mining. It proposes a conceptual model of a telecommunication system, otherwise referred to as a radio complex, for monitoring the environment of a mine, positioning and ensuring the safety of miners. The authors describe a method for timely and reliable data transmission based on mobile robots to prevent emergencies during underground production miing.
Optical inspection of solids of revolution by means of non-telecentric optics
Authors: Kulchitskii A A , Fedorova E R 
Published: November 2019

Abstract
The paper dwells upon automated inspection of solids of revolution on machines. It demonstrates how digital cameras with non-telecentric lenses generate the cross-section image. The paper presents an evaluation of error arising from using projection with non-telecentric (entocentric) optics for inspection. The analysis implies lenses with a focal length of 7, 12, or 25 mm. The obtained analytical dependencies of perspective error are used to adjust the measurements. Simulation confirms that errors can be compensated to values within the calibration error.
Methods of spatial and temporal processing of images in optoelectronic control systems
Authors: Makhov V E , Shaldaev S E 
Published: November 2019

Abstract
The data about the effect of image quality on accuracy of information parameters are presented. Studies on accuracy of measuring characteristics of objects in their images depending on image quality are described. Studies showed that accuracy of measurement algorithms improves with an increase in sample sizes of frames in the optoelectronic system (OES). Image quality is improved by processing the frame samples with algorithms for increasing resolution and reducing noise levels, both in single-point and multi-position OESs based on digital cameras with matrix photodetectors. The maximum effect of an increase in information content of the image and accuracy of measuring algorithms is determined by variations in the pixel structure of each image in the region of brightness gradient boundaries. In the single-point OESs which ensure high quality of optical images without noise factors and variations of other external parameters, the optimal number of frames in the OES is four.
Laser processing systems in machines with numerical control
Authors: Nikolaev A D , Phyo A P , Pompeev K P , Vasilyev O S 
Published: November 2019

Abstract
The paper considers one of the ways to expand the technological capabilities of numerically controlled metal-processing machines, in particular vertical machining centers, by integrating a fiber laser system into their body. The combination of laser and machining technology will complement the traditional processes of milling materials with engraving and microstructuring of material surfaces. The use of a concentrated energy flow - laser radiation - as a working tool will not only reduce the costs associated with the wear of a mechanical contact tool, but also move to fundamentally new microprocessing that is used for various products.
Devices and means of control of underground facilities based on PLC technology
Authors: Tebuev M I , Tebuev T I , Shpenst V A 
Published: November 2019

Abstract
The article presents a solution for data transmission via electrotechnical communication lines, based on the testing of capacitive and inductive connection devices. The article contains information about modern systems for monitoring and control of technological equipment in the mine, for communication, alarm, monitoring and alerts. The principles and features of the Power Line Communications system are described. The relevance of the introduction of PLC technology in the control system of hard structures is described.
Application of the method of fractal dimension in the recognition of defects of the surface layer of bearings
Authors: Vakhidova K L , Khakimov Z L , Isaeva M R , Shukhin V V , Sadykova Z V 
Published: November 2019

Abstract
The problem of recognition of defects in the surface layer of polished raceways of bearing rings according to the fractal dimension of the signals of the eddy current sensor is considered.
Implementation and operation of anti-pressure systems of oil pipelines
Authors: Barkhatov A F , Gumerov A G , Shammazov A M , Fazletdinov R A , Vafin R V 
Published: November 2019

Abstract
The article analyzes the issue of protection of oil pipelines from high-pressure waves arising from pressure pulsation, water impacts during normal or abnormal shutdown of pumping units or an intermediate pumping station caused by the unauthorized closure of valves, etc. Main aspects of implementation of anti-pressure systems (APS) were considered and economic criteria for their installation on existing and projected oil pipelines were determined. An example of calculation of non-stationary processes required to substantiate the expediency of using high-pressure pumps at intermediate oil pumping stations was presented. The main types of system designs, features of their operation and planned maintenance were presented.
Metrological support of geophysical equipment for acoustic logging
Authors: Gilmanova A M 
Published: November 2019

Abstract
The system of metrological support of geophysical well surveys (GWS) is a system of technical and methodological tools ensuring unity, reliability and accuracy of measurement results. For acoustic logging devices, physical standards with highly stable properties were developed and implemented. They are based on simulation of attenuation and time delay of elastic waves propagating in casing pipes. The design of a calibration device for acoustic video logging equipment made it possible to increase research reliability. The design of a field calibration device allowed for rapid calibration of acoustic equipment in field conditions for improving the GWS quality.
Calculation of the oil production rate by an average diameter of the bubbles when sampling in the coil
Authors: Ikhsanova F A , Soloviev N N , Gallyamov I I , Fatkullin A A , Nosirov D Sh , Abdulmanov A A 
Published: November 2019

Abstract
Well abandonment is significant under the enormous number of oil deposits with a wide range of reservoir parameters and physicochemical fluid properties. Underground gas storages are a combination of different objects with long life cycles under multicomponent and multifactor uncertainties of external and internal operational, natural and man-made impacts. Therefore, it is difficult to predict the resource of safe and reliable operation of these wells. Functional safety, system reliability and environmental acceptability depend on their abandonment. The article aims to determine numerical characteristics of the diameter of gas bubbles and well production rates based on the nornal distribution law.
The loading of the low-sided car bodies when restoring coal flowability by thermal means
Authors: Antipin D Y , Bulychev M A 
Published: November 2019

Abstract
Methods for restoring coal flowability are considered and some of them are accentuated. The results of the analysis of load-carrying structures of low-sided cars when exposed to thermal methods of restoring coal flowability are presented. The study was conducted using the industrial FEM software complex. The assessment was carried out for two typical low-sided car structures - with a solid floor and hatches on the frame. Studies have shown that thermal loading significantly affects the low-sided car supporting structures and should be taken into consideration when designing cars of enhanced performance properties. The main low-sided car design feature, considered in the paper, is the presence or absence of load-bearing flooring with longitudinal reinforcements. The presence of a carrier floor in the body reduces the load level of the lower trim in its average section. When comparing the loading of both types of bodies, it can be seen that the backward body of the low-sided car perceives loads, both power and thermal, better. According to the results of the calculations, it is possible to say about the priority of the use of infrared irradiation, as a scheme for restoring the flowability by the criterion of minimizing the thermal loading of the supporting systems of the low-sided cars.
Landslides and mudflows in the Chechen Republic: synergetic aspects
Authors: Daukaev A A , Dadashev R Kh , Gakaev R A , Gatsaeva L S 
Published: November 2019

Abstract
Currently, a synergistic approach is often used in various fields of knowledge to study various phenomena and processes. The paper evaluates a synergy of various factors in exogenous processes in a particular territory. Exogenous phenomena are identified to encompass geological processes that occur on the earth, in its uppermost layers. They either simplify or complicate the underlying relief. Synergism in exogenous processes can consist in simultaneous occurrence of landslides, mudflows and floods in appropriate conditions. The studies, to a certain extent, indicated the synergy in the behavior of the above mentioned phenomena. The research hypothesis implies the adaptation of the synergistic approach to the study of exogenous processes.
Design features for Arctic ports berths for accepting the ships with a deep draft
Authors: Garibin P , Ol’khovik E 
Published: November 2019

Abstract
Construction of new Arctic ports is a complex scientific and technical challenge. The experience extends to the berths that can accept the vessels with a small draft only during the summer navigation period. Commercial efficiency of shipping in the Arctic seas is possible only with year-round use of large-tonnage vessels of high ice class with a draft of 12 meters or more. The Arctic seas basin is mostly shallow, and the main transport task is the regular export of liquid natural gas and crude oil by shuttle ships. We analyze a currently used berth structures and their operational features. It has been revealed that the berths of the overpass type on piles of shells with a concrete grillage require additional ice protection structures in the port water area, since power loads from the vessel mooring and ice may be critical. The infrastructure of the modern marine port in the Arctic should combine with production and logistics capabilities, since the internal transportation of goods is labor intensive. A mooring structure from the arrays of concrete gravity caisson wharf is proposed, which can be quickly constructed and they can accommodate additional equipment for transporting or transferring cargo. The studies are performed at the Department of Hydraulic Port Construction in Admiral Makarov State University of Maritime and Inland Shipping.
A potential application of in-pit crushing-conveying and dewatering system in peat mining
Authors: Mikhailov A V , Garmaev O Z , Garifullin D R , Kazakov YA 
Published: November 2019

Abstract
The purpose of this paper is to analyse the application of fully mobile plants for raw peat crushing, mixing and separating of wood inclusions and for mechanical dewatering in peat open-pit mines to increase the efficiency of mining. In-Pit Crushing and Conveying Systems (IPCC) which characterized by their economic efficiency, reduction of labour costs, haulage costs, fuel consumption and pollution (dust and noise) compared to conventional shovel-truck systems are well known. Full mobile In-Pit Crushing-Conveying and Dewatering System includes an excavator, two mobile plants: crushing and dewatering plants. The considered technology of primary processing of excavated raw peat has the following advantages: reducing trucks fleet; reducing transportation costs; an opportunity of continuous processing of peat; reducing the energy consumption of the crushers; eliminating the need to build water treatment plants in factories due to returning squeezed water back to the pit.
Improving the quality of navigation and hydrographic support in the Arctic rivers estuarine waterways
Authors: Karetnikov V V , Prokhorenkov A A , Efimov K I 
Published: November 2019

Abstract
On the rivers of the Arctic region common navigation conditions are characterized by quickly changing water levels, a wide riverbed with narrow and embayed fairways, numerous point and spatial navigation hazards. Spatial navigational hazards represent dangerous isobaths of irregular geometric shape which do not follow the bank configuration. For reliable visual positioning of the vessel during passage floating marks are widely used. For the winter period floating marks are removed as not designed for use in ice conditions. The most difficult periods for navigation thus come when floating marks are being removed from their adopted positions or being put back. Difficult weather and navigational conditions in conjunction with absence of floating marks increase effect of random component on accuracy of positioning and maneuvering of vessels. Normally safety of the vessels in narrows is assessed by the methods of systems theory. It uses mathematical models of the movement of vessels, which takes into account the totality of all hydrodynamic and mechanical forces acting on the vessel. Intension to support navigational safety during period when floating marks are partially removed makes it important to take into account the stochastic nature of many factors affecting the efficiency of solving navigation tasks. By means of the situational approach based on the methods of mathematical statistics it possible to estimate the levels of navigation safety in congested sea areas, on inland waterways, when designing sea channels, approach routes to ports, etc.
Analysis of seismic safety assessment procedures for joint development of coal deposits
Authors: Kurta I V 
Published: November 2019

Abstract
The safety of mining and exploitation operations is an important factor that allows accident-free mining of mineral raw materials. To achieve this goal, the companies take various measures to reduce hazardous factors, which include blasting and distribution of seismic explosion waves as the phenomenon under consideration. The initial calculation for the reduction of hazardous factors is based on a specially designed procedure. Currently, there are no approved standard methods that could relate to impact of seismic explosion waves on the mounting of mine openings. Various researchers have developed procedures that have certain advantages and disadvantages. This paper presents the methods to assess seismic explosion impact during joint development of coal deposits, which are commonly applied in Russia. It shows the analysis of proposed methods and directions for further improvement of calculations of safe parameters of seismic explosion waves to mine openings.
The flow test and the skin-effect determination for oil wells according to pressure build up
Authors: Zaboeva M I , Levitina E E , Kovalev I A 
Published: November 2019

Abstract
Such parameters as the flow test and the skin-effect determination with the application of data of the pressure build up when carrying out hydrodynamic research are considered in the paper. The necessity to increase the determination accuracy of layer parameters according to well flow test is a highly topical issue for many oil companies. Therefore ranges of values of calculated parameters and the state of a bottom hole part of the layer corresponding to them are presented in the paper.
Increasing the coarse coal fractions yield during coal mining using shearer cutting drums
Authors: Xuan Nguyen Van , Linh Nguyen Khac , Lykov Y V 
Published: November 2019

Abstract
The paper analyzes the factors affecting the particle size distribution of the extracted coal mass by shearers, and considers ways to increase the content of coarse fractions. The search for methods and technical solutions is coupled with the idea of increasing the cross-sectional area of the cuts by the choice of their rational forms, which makes it necessary to improve the arrangement of cutters on the executive bodies.
Results processing of hydrodynamic studies of wells of the Bazhenovskaya suite
Authors: Sarancha A V 
Published: November 2019

Abstract
The main purpose of writing the given article is to highlight the results of hydrodynamic studies of wells drilled in the Bazhenovskaya suite of one of the oil fields located in the Tyumen Region of the Russian Federation. At the mentioned field, studies of the technology of thermal gas exposure on source rocks were carried out. That was the first experience of applying thermal gas exposure to the source rocks of the Bazhenovskaya suite, which was of great interest to specialists from research and design institutes engaged in the design and development of oil and gas fields.
Substantiation of equipment complexes for the development of brown coal deposits in the mode of coal quality management
Authors: Snetkov D S , Kosolapov A I 
Published: November 2019

Abstract
The choice of equipment complexes, development technology is a task influencing the technical, economic, environmental, social and other indicators of the mining enterprise. The world known companies having long traditions in the production of mining construction machines and excavators are flexible companies that easily adjust to constantly changing market, this is the equipment that can be used in the current situation. The interrelation of the equipment complex parameters with the production capacity of the open pit is since the productivity of the first must be a multiple of the second value, and the costs for all types of mining and investment are minimal with the selected technological complex variant. The article studies the influence of the mine production and the bucket capacity of a hydraulic excavator (for which the corresponding variant of the technological complex was formed) on the technical and economic indicators of the mine operation for the conditions of a valid research object.
Primary dehydration of peat on floating mining platforms
Authors: Vagapova E A , Khudyakova I N , Fadeev D V 
Published: November 2019

Abstract
The use of peat as a local type of fuel is advisable for many remote areas of our country. Improving the efficiency of peat resources makes it possible to ensure energy security of the country and reduce emissions to the atmosphere, as compared to the use of hydrocarbon energy sources. Autonomous floating platforms utilized for peat extraction and further treatment call for a scientifically sound selection of their parameters, which is specified by the equipment and dehydration technology applicable for the extracted raw peat materials. A study of filtration properties and chemical composition of impurities in aqueous solutions or peat pulps enables a rational approach to water separation and improvement through a short-term magnetic exposure. The identified outputs form the cornerstone of innovative technologies for primary peat dehydration.
Development of industrial environmental control methods
Authors: Volkodaeva M V , Taranina O A , Volodina Ya A , Kuznetsov V A 
Published: November 2019

Abstract
The industrial environmental control includes monitoring of specific air contaminants typical of a particular industry. Determination of the pollutant levels at the border of the sanitary protection zone consists of the preliminary sampling and subsequent analysis in a specialized laboratory. The article discusses various methods of sampling for a group of volatile organic compounds (using sample bags) and polyaromatic hydrocarbons (using a sorption tube and a filter to collect solid particles), depending on their physicochemical properties and the characteristics of distribution.
Principal component analysis for assessing oil and gas production (the case of the Kogalym field)
Authors: Igtisamova G R , Soloviev N N , Ikhsanova F A , Nosirov D Sh , Abdulmanov A A 
Published: November 2019

AbstractWhen analysing the criteria measuring the volume of oil deposits with wide gaps in configuration of reservoir parameters and physicochemical properties of fluid, it is necessary to group and characterize objects under study. Classification makes it possible to adjust conformity and distinctive features of deposits, and explain research theories. The analysis of information according to the subjects determined by the parameters measured or evaluated is difficult to carry out. It requires a lot of time and effort. Therefore, it is necessary to reduce the data volume, compress initial information to the smallest number of characteristics. Parameters can be selected from initial data or calculated and modified (i.e. minimum loss of data on the objects under study). The effective analysis tool capable of identifying the problems is the principal component analysis (PCA) which is a method for reducing the data volume. The principal component can be found in almost every text using the multivariate analysis.
Prospects for the use of new technologies in assessing the impact of geological and technological risks
Authors: Nurgaliev R Z , Kozikhin R A , Fattakhov I G , Kuleshova L S , Gabbasov A Kh 
Published: November 2019

Abstract
Nowadays, operator companies pay much attention to the introduction and development of technologies for development of oil fields using horizontal wells. This situation is due on the one hand to relatively greater efficiency of operation on horizontal wells, as compared with vertical, and problems typical for horizontal wells (low share of 10-30 % of the “working” part of the horizontal well, specificity of the influence of heterogeneity of the reservoir during stimulations, difficulty and water source control on the other hand. In addition, it is necessary to take into account a number of factors causing the exclusive use of horizontal wells: a restriction on the location of the wellhead relative to the target areas of the reservoir, a restriction on the number of wells, the development of fields with highly viscous and super-viscous oils, and the operation of unconventional (dense) reservoirs. The main objective of this work is to determine the prospects for the application of new technologies to increase the efficiency of operation of horizontal wells. It is impossible to describe the full picture without reflecting the results of the analysis of the performance of horizontal wells in field development, the problems of planning investments for drilling horizontal wells, as well as considering aspects of the economic evaluation of the use of technologies designed to improve the efficiency of horizontal wells. Much attention is paid to identifying the causes of declining oil production due to premature irrigation of horizontal wells. Various options for the occurrence of flow heterogeneity and their influence on the development of reservoirs using horizontal wells are considered.