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Abstracts and keywords by № 1(37) 2013
1
EQUIVALENT CIRCUITS OF ELEMENTARY PROCESSES FOR MECHANISMS OF
INDUSTRIAL TECHNOLOGIES FORMALIZATION
S.B. Konygin
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Questions of industrial technologies formalization are considered. The equivalent circuits of some physicochemical processes are offered.
Keywords: industrial technologies, physicochemical processes, equivalent circuits
P. 9-13
2
COMPREHENSIVE ASSESSMENT AND CLASSIFICATION OF OBJECTS OF
WATER SUPPLY IN THE REGION
D.A. Nechaev, S.P. Orlov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The method of systems analysis for territory water supply is proposed. Technique based on DEA models
is constructed to assess the effectiveness of water supply facilities water complex in Samara region. The
classification of territorial objects in efficiency is made. The analysis allowed to determine the necessary
investments in regional program for water supply development.
Keywords: systems analysis, Data Envelopment Analysis, water supply facilities, linear programming,
linear fractional programming.
P. 14-21
3
PRODUCTION SYNTHESIS METHOD OF CONTROLLERS FOR CONTINUOUSDISCRETE OBJECTS
G.N. Rogachev
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The problem of controller design for continuous-discrete object is solved. A set of rules of the regulator is
synthesized. Numerical-analytical procedure is used for this purpose. It is based on the joint application
of finite-dimensional optimization methods for the determination of the conditional part of each of the
rules as a logical expression of temporal logic and on sufficient optimality conditions for the analytical
procedure of searching for each of time intervals of the control law with full feedback.
Keywords: hybrid system, continuous-discrete control system, a set of the regulator’s rules.
P. 22-27
4
SYSTEM ANALYSIS OF APPLICATION OF THE TOBIN'S SEPARATION
THEOREM TO RUSSIAN FINANCIAL MARKET
V.G. Sarkisov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The issue of the Tobin's model applicability in the Russian financial market conditions is considered. Dependences of a portfolio structure on short-term investment and crediting rates are investigated at various investor's risk rejection levels. Modification of the separation theorem, corresponding to restrictions
of the Russian legislation is offered.
Keywords: Tobin's model, the separation theorem, portfolio, qualified investor, restrictions.
P. 28-33
5
AUTOMATION PREPRESS EDITION
V.N. Tarasov1, V.V. Chekrygina2, V.N. Sherstobitova2
1
Volga State University of Telecommunications and Computer Science
77, the Moscow highway, Samara, 443090
2
Orenburg State University
13, Pobedy st., Orenburg, 460018
The main results of the study of automation prepress publications issues and the attempt to expose the
use of the mathematical theory of decision-making in the planning practice of publishing activities are
presented. The algorithm of the information system for further use in the software product «Automated
executive secretary» (AES) is developed.
Keywords: editing and publishing process, uncertainty and risk, decision-making under uncertainty.
P. 34-41
6
THE COMPRESSION - RESTORATION ALGORITHM CERTIFICATION
OF MEASURING SIGNALS BY MODIFIED PRONI METHOD
V.A. Baranov, A.V. Terekhina, B.V. Cypin
Penza State University
40, Krasnaja st., Penza, 440026
Problems of the software metrological part certification of information-measuringand managing systems
are considered. Compression - restoration algorithms of a measuring signal on the basis of the Proni
method are shown. Error restoration estimates at application of the Proni modified method depending on
information capacity were received.
Keywords: compression-restoration of measuring signal, metrological software, certification,
Proni method.
P. 42-47
7
THE ESTIMATION OF THE MEASURING DEVICE ERROR
OF INTEGRATED CHARACTERISTICS OF HARMONIOUS SIGNALS
WITH PHASE-SHIFTING BLOCKS
J.M. Ivanov, A.E. Sinitsyn, A.V. Simonov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Results of the analysis of the measuring device error of integrated characteristics of the harmonious signals, using formation of additional signals with the help of the phase-shifting block are given. The received analytical expressions and diagrams of the error allow to choose optimum parameters of measuring process and a phase corner shift of the phase-shifting block providing reduction of the given error
kind .
Keywords: integrated characteristics, harmonious signals, instant values, the phase-shifting block, errors, a corner of shift of a phase.
P. 48-52
8
THE METHOD OF PARAMETERS SEPARATE DEFINITION
OF CAPACITOR GAUGES
V.S. Melentiev, T.S. Evstifeeva, K.D. Levina
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The new method of measurement of parameters of capacitor gauges which provides definition as capacities, and resistance of isolation is offered that increases accuracy of measurement of informative parameter. Results of the analysis of an error of measurement of the capacity caused by an error of quantization
of instant values of transients are resulted.
Keywords: transient, instant values, a measuring circuit, an error, quantization.
P. 53-57
9
SENTIMENT ANALYSIS: PRACTICAL RECOMMENDATIONS
AND ITS USAGE FOR IMPROVING USER-REACTION ON RELEVANT ONLINE
ADVERTISEMENTS
I.A. Minakov
Institution of the Russian Academy of Sciences Institute for the Control of Complex Systems of RAS
61, Sadovaya st., Samara, 443020
The paper discusses and classifies different approaches for sentiment analysis, shows its implementation
for solving a problem of optimizing online advertisements and gives practical recommendations for SA
setup depending on problem domain specifics, task requirements and languages of documents.
Keywords: sentiment analysis, online advertisements, optimization.
P. 58-63
10
THE INTEGRAL METHOD OF DETERMINING THE PARAMETERS
OF MULTIELEMENT TWO POLE CIRCUIT SINUSOIDAL EFFECTS
N.N. Hrisanov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The method of determining the multielement bipolar circuits parameters is considered based on the integration of the transient sinusoidal exposure.
Keywords:multi-element two-terminal, Prony's method, the integral method, the sinusoidal effect .
P. 64-71
11
THERMAL CONDUCTIVITY AND TEMPERATURE REGIMES OF VACUUM-ARC
EVAPORATION OF MULTILAYER SHS-PRESSED CATHODE OF TiC0,5-Al и TiC0,5Аl-Si SYSTEM
V.N. Lavro, I.I. Orlov, A.F. Fedotov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Calculation and quantitative evaluation of thermal conductivity and surface medium integral temperatures of multi-layer composite SHS pressed cathodes for deposition of vacuum-arc coatings were presented. Thermal conductivity of multilayer SHS cathode in TiC0,5-Al and TiC0,5-Al-Si systems is more than
thermal conductivity of titanium cathode. However, due to the higher current of the arc temperature of
SHS cathodes is approximately equal to the temperature of titanium cathode. It was found that the main
factor determining the content of micro droplets phase of vacuum arc coatings is the fusion temperature
of the evaporated cathode material.
Keywords: vacuum-arc coatings, SHS-pressing, multilayer cathodes, composite, thermal conductivity.
P. 72-80
12
THE THERMODYNAMIC CALCULATION OF THE EFFECT OF REFINING FLUX
TO THE SELF-PROPAGATING HIGH-TEMPRUTURE SYNTHESIS OF COMPOSITE
ALLOY AL-TIC
А.R. Luts, And. A. Ermoshkin, I.U. Timoshkin, Ant. A. Ermoshkin
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The thermodynamic calculation of the effect of refining flux on the self-propagating high-temperuture
synthesis of composite alloy Al-TiC is presented in this article.
Keywords: self-propogating high-temperature synthesis, composition alloy, exothermic mixture, fluxes.
P. 81- 86
13
PHYSICAL ASPECTS OF CONTACT SHAKEDOWN ELASTIC BODIES
AT COULOMB FRICTION
M.Y. Alexandrova
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The analysis of models describing the stick mechanism of elastic bodies at Coulomb friction at cyclic
loading is done. The factors having a significant impact on the onset of full and partial shakedown in fric-
tional contact are described. The results of numerical modeling of the fields slip and stick in conjugate
cell assembly at cyclic loading at the example of cloves in cone drill bit are presented.
Keywords: friction, flexibility, mathematical model.
P. 87-92
14
THE FORMULATION OF THE PROBLEM OF THE BEAM FLUCTUATIONS WITH
MOVING SPRING-LOADED SUPPORT
V.N. Anisimov, V.L. Litvinov, I.V. Korpen
Syzran Branch of Samara State Technical University
45, Sovetskaya str., Syzran, Samara region, 446001
The problem of beam fluctuations with moving spring-loaded support which has got joined mass is received. When the support is not absolutely fastened within the moving border energy exchange occurs.
This leads to complexity in record boundary conditions. To formulate the task the variational principle of
Hamilton is used. The visco-elastic properties of material of the beam are taken into account. The task
includes differential equation, initial conditions for a curved axis of the beam and for joined mass,
boundary conditions. Note that the conditions on the moving border are written as ratios between function and its derivatives on the left and right sides of the border.
Keywords: the beam fluctuations with moving spring-loaded support, boundary conditions, variational
principles.
P. 93-98
15
EXPERIMENTAL INVESTIGATION OF THE INFLUENCE OF TECHNOLOGICAL
FACTORS ON THE FORMING OF MULTILAYERED PANELS DONE OF COMPOSITE MATERIALS
O.V. Bitkina
Syzran Branch of Samara State Technical University
45, Sovetskaya street, Syzran, Samara region, 446001
The influence of technological pre-tension of fibers, panel thickness, orientation angles of composite layers and volume fraction of fibers and resin on the forming of multilayered panels done of composite materials is considered. The validation of the developed mathematical model was made by comparing the theoretical and experimental results.
Keywords: composite materials, dimensional stable structures, anisotropy, residual stress.
P. 99-110
16
THE INFLUENCE OF CROSS-SECTIONAL DIMENSIONS OF HOLLOW
CYLINDRICAL COMPONENTS ON THE DISTRIBUTION OF RESIDUAL STRESSES
AND FATIGUE LIMIT IN ADVANCE OF SURFACE PLASTIC DEFORMATION
V.S. Vakulyuk, V.F. Pavlov, O.Yu. Semyonova
Samara State Aerospace University named after academician S.P. Korolyov
34, Moskovskoe shosse, Samara, 443086
The regularities of residual stress distribution in smooth cylindrical specimens and specimens having a
semicircular profile cut after outstripping superficial plastic deforming are studied. The influence of residual stresses distribution on solid and hollow steel 20 specimens on endurance limit at stress concentration is examined.
Keywords: residual stresses, superficial hardening, cylindrical specimen, stress concentrator, nonpropagating crack, endurance limit.
P. 111-117
17
APPLICATION OF A METHOD OF ESTIMATING EXPERIMENTAL
AND CALCULATED NATURAL FREQUENCIES CONFORMITY
FOR IMPROVEMENT THE FE-MODEL OF PRODUCT
Y.M. Klebanov1, V.A. Bruyaka1, M.A. Vavilov2, N.N. Stolyarov1
1
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
State Research-and-Production Space Rocket Centre «TsSKB-Progress»
18, Zemetza st., Samara, 443009
2
In article the results of application of Modal Assurance Criterion method for estimating experimental and
calculated natural frequencies conformity, gained for a product «Souyz 2-1B», are presented. Calculations are carried out through FEM in ANSYS.
Keywords: Vibrating tests, finite elements method (FEM), modal analysis, Modal Assurance Criterion,
FE-model updating, ANSYS.
P.118-126
18
APPLICATION OF PENALTY METHOD TO DERIVATION
OF VARIATIONAL MOTION EQUATION OF CONTINUUM
«INDENTER – DEFORMABLE MEDIUM»
N.V. Ovchinnikova, U.V. Chebotarevsky
Contact problem for strain-stress analysis of continuum “indenter – deformable medium” is formulated
with consideration of curvature of the deformed surfaces. Penalty method is employed to insert the constraints on contact surface directly into variational equation of motion. It allowed to conduct further
strain-stress analysis by finding unconstrained minimum of corresponding functional using numerical
methods. Variational motion equation is derived without specifying definite geometrical form of deformed contact interfaces, strain-displacement relations and constitutive equations for materials of bodies the continuum consists of.
Keywords: contact interaction, deflected mode, variational equation, penalty method.
P. 127-134
19
INFLUENCE OF DEGRADATION PROCESSES AND SEVERE PLASTIC
DEFORMATION ON DEFECTIVE OF PIPE STEEL
P.P. Petrov, A.M. Ivanov, A.A. Platonov
Federal State Institution of Science
«Institute of Physical and Technical Problems of the North it V.P. Larionov, Russian Academy of Sciences»
1, October st., Yakutsk, 677980
The influence of degradation processes as a result of continuous operation, and severe plastic deformation (SPD) on the change of structure, the crystal lattice parameter and the dislocation density in the
pipe steel VSt3sp is considered. The long-term operation of the pipe contributes to the development of
degradation processes in the crystal structure and modifies the mechanical properties of the material is
shown.
Keywords: steel, structure, grain, strength, microhardness, crystal lattice parameter, dislocation density,
degradation, severe plastic deformation, equal channel angular pressing, X-ray diffraction analysis, the
diffractogram.
P. 125- 141
20
BREAK-IN EFFECT ROLLER RESIDUAL STRESSES AND FATIGUE RESISTANCE
OF SPECIMENS OF STEEL 40ХН
V.P. Radchenko1 , V.A. Kirpichyov2, V.V. Lunin1
1
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
2
Samara State Aerospace University
34, Moskovskoe hw., Samara, 443086
Residual stress and fatigue specimens with a diameter of 45 mm steel 40 ХH after running roller investigated. Revealed the thickness layer with compressive residual stress is 1 mm, the axial residual stress is
1.8 times higher than the county and to the surface of the slow-down stress by 20 %. Fatigue tests of
notched specimens radius 3 mm after DFND roller have shown that the fatigue limit is increased in the
case when the depth of cut is three times the thickness of a layer of compressive residual stress, and the
quantitative relationship between the residual stress and endurance limit is well reflected using the criterion of average integral residual stresses.
Keywords: running roller, samples of steel 40ХН, axial and circumferential residual stress, fatigue limit,
the criterion of average integral residual stress.
P. 142-150
21
OPTIMIZATION OF THE CONDITIONS OF USE THE DIAMOND CORRECTION
ROLLER IN BEARING INDUSTRY
S.D. Shaposhnikov, E.A. Yakubovich
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The optimal conditions of use perspective type of the correction tool are submitted.
Keywords: diamond roller, correction, bearing.
P. 151- 157
22
CHOICE OF ADMISSIBLE DISTANCES WITH EMC IN MAGNETIC FIELDS OF
INDUSTRIAL FREQUENCY SINGLE PHASE WIRE
IN DOMESTIC AND OFFICE
V.A. Bespalov, M.V. Smirnov, V.M. Saltykov, A.V. Saltykov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Based on the proposed method of calculating the total value of the magnetic field of industrial frequency
currents in two phase wires (cables) electrical systems are expressions for the permissible distances to
sensitive to the magnetic fields of objects from a position of conditions ensuring electromagnetic compatibility.
Keywords: power system, the magnetic field of industrial frequency, electromagnetic compatibility.
P. 158- 165
23
METHOD OF MAKING THE COMPLICATED FUNCTIONAL DEPENDENCE FOR
MANAGEMENT BY DIGITAL HYDRAULIC
DRIVE WITH THE USE OF SPLINE-APPROXIMATION
A.S. Bryatov, V.M. Myakishev, A.N. Protsenko
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443076
The specificity of digital control hydraulic actuators consisting of rigid requirements for accuracy, speed,
reliability, technological consistency, overall and widespread and economic parameters of elements and
the automation devices is considred. A method of reproduction of complex functional relationships, the
essence of which lies in the spline approximation of a signal using as a criterion for approximation of the
curvature and the lengths of arcs approximable plane curves and basis splines with a focus on graphanalytic realization is offered.
Keywords: digital, control, functions, spline approximation, reproduced, curve, the graph-analytical.
P. 166- 171
24
DEVELOPMENT OF DETERMINATION METHODS OF PARAMETERS IN
ELECTRIC ARC MODELS
A.A. Voronin, P.A. Kulakov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Determination methods of the parameters in electric arc off models are given according to the results of
the passive experiment applicable to a wide class of integral arc models.
Keywords: an electric arc, integrated dynamic models of an electric arc, methods for determining the
parameters of the models of electric arc.
P. 172- 179
25
PROBLEMS OF ELECTROMAGNETIC COMPATIBILITY POWER SURGES IN
ELECTRICAL 0,4 ÷ 35 KV INSTALLATIONS
V.G. Goldstein, P.V. Kopyryulin, O.M. Sevostanova
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The approach for deriving refined mathematical model of electromagnetic transmission in cell power
systems in the form of electromagnetic interference and lightning impulse quasi surge is developed.
Keywords: electromagnetic performance physical effects, electromagnetic compatibility, pulse and quasistationary storm surge.
P. 180-190
26
EFFICIENCY ELECTRICLY COMBINED SHORT-CIRCUITED WINDING OF
VENTIL GENERATOR
Y.V. Zubkov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
Various schemes of single-layer electrically combined rotor windings of the ventil generator are considered. The analysis of efficiency of their use in magnetic fields of the exciter and the generator is carried
out. The conclusion on preference of windings is drawn.
Keywords: ventl generator, electricly combined winding.
P. 191-196
27
APPROXIMATION OF THE OBJECTS WITH NONSTATIONARY
THERMAL CONDUCTIVITY WITH THE ELEMENTARY DYNAMIC UNITS
V.I. Kotenev, A.V. Kotenev, V.S. Osipov, V.V. Kochetkov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The system of ordinary differential equations equivalent to one-dimensional thermal conductivity equation with boundary conditions of the first kind is derived which is oriented to solve the tasks in the field of
complex systems control. Comparative appraisal of the accuracy of the approximation task solutions is
given for the different methods applied with few elements partition of the heated body.
Keywords: thermal conductivity equation, temperature control system, approximation, partial
differential equations, integral elements method.
P. 197-202
28
DISCRETE MATHEMATICAL MODEL OF THE DIGITAL
OF THE SERVO DRIVE WITH THE SYNCHRONOUS MOTOR
S.L. Lisin, A.V. Starikov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The mathematical model of the servo drive with the synchronous motor, considering quantization process
on time is developed. Discrete transfer functions of the closed electric drive for two values of the sampling time are found. It is shown that reduction of the sampling time considerably decreases response
time of the electric drive.
Keywords: the servo drive, the synchronous motor, the discrete transfer function.
P. 203-208
29
STRUCTURAL AND GRAPHICAL REPRESENTATION OF THE PROCESS OF DEEP
DRAWING AS AN OBJECT OF THE AUNOMATIC CONTROL SYSTEM
V.E. Lysov, E.S. Kaplun
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The process model of making three-dimensional parts by deep drawing has been investigated. The block
Diagram has been elaborated as the object of the automatic control system.
Keywords: process of deep drawing, function bloc diagram, transfer function.
P. 209-214
30
EXPERIMENTAL RESEARCH OF CONTROL SYSTEM OF UPPER WORKING
LOCK GATE
E.V. Melnikov, S.A. Kolpaschikov, I.A. Danilushkin
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The results of the active experiment to study the dynamic characteristics of hydraulic lifting sluice gate of
navigation lock are discussed. It is given a description of experimental setup.
Keywords: navigation lock, upper working lock gate, experience, encoder, impulse counter, feature, programmable logic controller, signal processing.
P. 215-218
31
EXPERIMENTAL MEASUREMENT OF THE SIZE OF DEAD ZONE
OF THE BACKLASH IN KINEMATICAL CHAIN OF DRIVE SYSTEM
OF JIG BORING MACINE
Y.I. Peshev, S.S. Sarantsev
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
The problem of an automatic measurement of the size of dead zone of the backlash in kinematical chain of
the jig boring machine is considered in this paper. Algorithm of automatic measurement and functional
scheme of this system are given.
Keywords: automatic, backlash, nonlinearity, measurement, electric motor drive
P. 219- 222
31
ANALYSIS AND MODIFICATION OF THE FORECASTING METHOD
OF ENERGY CONSUMPTION USING THE EXTRAPOLATION
OF SAMPLING THE MAXIMUM SIMILARITY
I.M. Sunagatov
Samara State Technical University
244, Molodogvardeyskaya st., Samara, 443100
A review of the extrapolation method of maximum likelihood sample. A variant of the method to improve
the accuracy by adapting the method of autoregression.
Keywords: forecasting methods, energy, the extrapolation of maximum likelihood, autoregression, mathematical modeling.
P. 223-227
32
IMPROVING ACCURACY SIGMA-DELTA ADC’S IN SYSTEMS
FOR CRITICAL APPLICATIONS
K.Yu. Piskaev
Penza State Technological Academy
1a/11, Baidukova pr./Gagarina st., Penza, 440039
Now ΣΔ-ADC are the de facto standard in the construction of high-precision measuring systems, but to
achieve these characteristics often do not address specific applications. In work the analysis the shortcomings of the main ways to increase the accuracy of ΣΔ-ADC, from the point of view of their use in products
for critical applications.
Keywords: products for critical applications, ΣΔ-ADC quantization error, increase the accuracy of ΣΔADC, weighted integration.
P. 227-231
Kirill Yu. Piskaev, Senior Lecture.