Summaries of the Issue
OPTICAL AND OPTICAL ELECTRONIC SYSTEMS. OPTICAL TECHNOLOGIES
STRUCTURE FORMATION PRINCIPLES OF INTERFERENCE BEAM SPLITTERS Gubanova Lyudmila Alexandrovna, Putilin Edvard Stepanovich
The methodology of interference beam splitters construction, formed by symmetric cells of dielectric layers is considered. The methodology of short-wave and long-wave interference beam splitters formation is given. The impact analysis of symmetric cells number and their structure on output parameters is considered.
The paper deals with description of lidar configuration for simultaneous measurements of aerosol extinction and backscattering coefficients at several wavelengths in 355 and 1064 nm spectral range. Multiwave lidar parameters for aerosol monitoring at heights from 1 up to 10 km are estimated.
INVARIANT MODEL FOR ESTIMATION OF THE ATMOSPHERE TRANSMITTING EFFICIENCY AT OBJECTS MONITORING IN THE OPTICAL SPECTRAL RANGE Demin Anatoly V., Maria Moiseeva
Estimation problem of the atmosphere influence on radiation in the middle and distant infra-red range for the increasing of results reliability at aircraft monitoring is considered. The analytical a posteriori model of atmosphere transmittance is proposed. The general structure of such model is shown. Identification results of the atmosphere transmitting efficiency value on the basis of experimental data are shown.
PHOTONICS AND OPTICAL INFORMATICS
SPECTRUM RESEARCH OF DNA MOLECULE IN THE TERAHERTZ FREQUENCY DOMAIN Tsurkan Maria V, Ekaterina Sobakinskaya, Smolyanskaya Olga A, Bespalov Viktor G, Vladimir Vaks, Balbekin Nikolay S
Spectrum research of degraded DNA of herring in the range 0.1-1 THz was done. DNA native absorption lines were obtained. Lines, responsible for interaction with water and conformational changes, were identified.
COMBINED METHOD OF RED BLOOD CELLS COUNTING ON BLOOD SMEAR IMAGES Alexey Dyrnaev, Potapov Alexey Sergeevich
The problem of red blood cells counting on images obtained by microscope often appears within computer-based analysis of blood products. Segmentation method of those images is presented in the paper, and it is based on Canny edge detector with following circle identifying with Hough transform. Segmentation results refinement with binary mask of objects and background is used in the article. The proposed method is resistant to structure, texture and blood cells color changing, and also it allows detecting cells that overlap each other even on noisy images.
QUANTUM CRYPTOGRAPHY SYSTEM WITH A SINGLE PHOTON SOURCE BASED ON THE SPONTANEOUS PARAMETRIC SCATTERING EFFECT Egorov Vladimir I, Latypov Ilnur Z, Gleim Artur V, Chivilikhin S. A., Rupasov Andrey I
A scheme of a single photon source for quantum informatics applications based on the spontaneous parametric scattering effect is proposed and a quantum cryptography setup using it is presented. The system is compared to the alternative ones that operate with attenuated classic light.
ANALYSIS AND SYNTHESIS OF COMPLEX SYSTEMS
IDENTIFICATION OF THE LINEARLY VARYING FREQUENCY FOR THE SINUSOIDAL SIGNAL Aranovskiy Stanislav V., Bobtsov Alexey Alexeevich, Pyrkin Anton Alexandrovich
Identification problem of the linearly varying frequency for the sinusoidal signal is considered. Practical importance of this problem is shown. Dynamic model of the signal is proposed and identification algorithm is designed. Illustrative numerical example is also presented.
IMPROVED TIME-FREQUENCY ANALYSIS ALGORITHM OF BARELY VISIBLE RADAR STATIONS SIGNALS, BASED ON WINDOWED FOURIER TRANSFORM Andrey Korotkov, Anatoliy Mukhin
The problem of time-frequency analysis for barely visible radar stations signals, based on windowed Fourier transform was considered. Improved algorithm, based on integration of Fourier transform data was suggested. Algorithm application gives us the possibility to take into account characteristics of such signals, especially with low signal/noise ratio.
APPLICATION OF QUALITATIVE EXPONENTIAL INSTABILITY CONDITIONS FOR DYNAMIC PROCESSES ESTIMATION Yevgeniy Rabysh, Grigoriev Valeriy V., Bystrov Sergey V., Anatoly Sporyagin
Dynamic quality estimations of transient processes were found on the basis of Lyapunov direct method and conditions for qualitative exponential instability. As a result, efficient procedures for analytical analysis of unstable continuous and discrete dynamical systems can be created.
SERVO ACTUATOR CONTROL SYSTEM WITH NON-RIGID EXECUTIVE AXLE Abdullin Artur A, Tolmachov Valeriy
The article presents mathematical simulation results of electric drive tracking processes installed on azimuth axle of large telescope TI-3,12 in Altai Optical-laser Center. We propose two structural solutions of control system. Efficiency of second mass additional feedback usage is shown. Feedback usage gave the possibility to extend smooth velocity tracking range and reduce tracking root-mean-square errors.
ANALYSIS OF ENERGY PERFORMANCE OF MULTILEVEL SEMICONDUCTOR CONVERTERS OF ELECTRIC DRIVE SYSTEMS Mikheev Kirill E, Tomasov Valentine S
The energy performance of power subsystems of AC drives, built on the base of different topologies of multilevel voltage-fed converters was analyzed. A special calculation subsystem “Measurements” was developed in the Matlab package using Simulink and SimPowerSystems libraries, which allows analyzing and comparing the energy performance of multilevel converters.
COMPUTER SYSTEMS AND INFORMATION TECHNOLOGIES
SIMULATION ENVIRONMENT OF REAL-TIME AGENT-BASED SYSTEMS Michail Panteleev, Nickolay Kokhtenko, Sergey Lebedev
The problem of program platform developing for agent system simulation is considered. The platform is intended for experimental research and testing of intelligent agent’s behavior models under real-time constraints and command opposition conditions. The requirements to such simulation platform are defined. The architecture of the simulation platform and its main functions are proposed.
EFFECTIVE INFERENCE IN PRODUCTION RULES MODEL WITH COLUMN-ORIENTED DATABASES Katerinenko Roman S
The idea of column-oriented databases for inference in production rules model of knowledge is presented. We will show benefits of column-oriented databases application in comparison with traditional row-oriented databases for logic inference purposes in production rules. The results of comparative experiment on KDB+ and Oracle databases are also given.
ONTOLOGY EXTRACTION FROM WIKI-SYSTEMS Vladimir Shestakov
The paper is devoted to the approach of ontology extraction from Wiki-systems, and its application both in development and support of ontology content-based Wiki-systems and other possible uses. An approach implementation as a client application is described in detail.
KEY PHRASES EXTRACTION Popova Svetlana V, Khodyrev Ivan A
An approach to topic detection and annotation with keywords and key phrases for narrow-domain short text collections is studied. Algorithms which allow extracting keywords and key phrases based on the results of clustering are described. A formula for words interdependence estimation is suggested, and key phrases extraction algorithm on its base is shown. Experimental results are given.
IMPLEMENTATION ASPECTS OF SPEECH RECOGNITION APPLICATIONS IN CUSTOMER-SERVICE CALL CENTERS Pavel Balakshin, Grigory Petrov
The article provides a summary of current issues in call centers of large companies. Advantages and disadvantages of speech recognition use in call center work are presented. FCR (First Call Resolution) metric and its importance are defined. The features of FCR calculation in the applications with automated speech recognition are discussed.
FITNESS FUNCTION CHOOSING FOR GENETIC ALGORITHMS WITH REINFORCEMENT LEARNING Arina Afanasyeva, Maxim Buzdalov
This paper describes an optimization problem with one target function to be optimized and several supporting functions that can be used to speed up the optimization process. A method based on reinforcement learning is proposed for choosing a good supporting function during optimization using genetic algorithm. Application results of this method to a model problem solution are shown.
AUTOMATIC SOLUTION MODIFICATIONS FOR TESTING SOLUTION CHECKERS Anton Akhi, Andew Stankevich, Shalyto Anatoly Abramovich
The article deals with the method for testing solution checkers used in programming contests by making automatic modifications to solution source code. Successful application of the method to regional ACM ICPC NEERC 2011 and Russian Code Cup 2011 contests is described. Real bugs in solution checkers which were to be used for testing participants’ solutions but were found by the method and fixed before actual events are shown.
The method of mass operations defining for a subclass of multi-dimensional data structures for a narrow problem class is suggested. The method is applicable in case if multi-dimensional structure elements belong to an abelian group and allows effectively computing the sum of all values in a region and effectively adding a value to any region in multi-dimensional structure.
GENETIC ALGORITHM APPROACH TO OBSERVER'S OPTIMAL TRAJECTORY DESIGN Denis Stepanov, Shalyto Anatoly Abramovich
Modified genetic algorithm was offered as a tool for observer’s optimal trajectory generation in BOTMA (Bearing-Only Target Motion Analysis). Stochastic ascent and annealing simulation concepts were used for the purpose of arising genetic algorithms convergence and local extremum problems solution. For speeding-up the algorithm, we perform selection, combining schemata with higher fitness.
SCENARIO-BASED FINITE STATE MACHINE INDUCTION USING SAT-SOLVERS Ulyantsev Vladimir Igorevich, Fedor Tsarev
The article deals with the method of finite state machine induction by test scenarios using SAT-solvers. Successful application of the method to the induction of alarm clock finite state machine is shown. Induction of appropriate finite state machine is consistent and algorithm operation time is less than one second of CPU time on average personal computer.
GENETIC PROGRAMMING APPLICATION FOR CELL AUTOMATA GENERATION Tikhomirov Andrey V, Shalyto Anatoly Abramovich
Improved algorithm for arbitrary cellular automata generation based on test samples using genetic algorithms is discussed. Issues arising from applying a classic genetic algorithm to the problem are described. Algorithm is tested on a few training examples.
MECHANICS AND MECHATRONICS
AIRFOIL FORMATION SETTING FOR GAS BEARINGS Sergei Rodinkov
We consider gyroscopic devices with contactless suspension of sensitive element based on aerodynamic bearings with a special aerodynamic profile patterned by machine processing. The current setting for the profile formation has some serious flaws that undermine the bearings of the profile. A new design instrument for the profile formation intended to their elimination was made. Research was conducted to introduce additional changes in the design, select lap material. A set of bearings with an aerodynamic profile was produced meeting all the requirements for the geometric sensor of gyroscopic devices.
MATERIALS TECHNOLOGY AND NANOTECHNOLOGIES
MICROFLUID CHIPS FOR BIOLOGICAL OBJECTS RESEARCH BY METHODS OF HIGH-RESOLUTION MICROSCOPY Kukhtevich Igor V, Anton Bukatin, Ivan Mukhin, Anatoly Evstrapov
Microfluid devices coupled with methods of high-resolution microscopy have allowed creating new analytical systems for studies of biological objects in natural state. The main requirements for microscopy methods for the nondestructive study of biological objects were formulated. Alternatives for fixation of biological objects were reviewed and discussed. Experimental models of microfluid chips for high-resolution microscopy techniques were shown.
INFORMATION SECURITY METHODS AND SYSTEMS
STEGANOALGORITHM CREATION BASED ON FORMAT AND SPATIAL PRINCIPLES OF THE DATA HIDING Korobeynikov Anatoliy Grigorievich, Kuvshinov Stanislav S, Blinov Stanislav Yu, Leyman Albert V, Sergey Nesterov
Steganoalgorithm creation problem on the base of format and spatial methods of the data hiding is considered. Algorithms of information embedding and extraction from stegocontainer are developed. The general scheme of system operation of the latent transfer is offered.
ESTIMATION METHOD OF UNAUTHORIZED INTRUSION PROBABILITY DETECTION BY PASSIVE INFRARED DETECTOR Volkhonskiy Vladimir V., Vorobyov Pavel A.
Estimation method of probability detection of intrusion detectors was proposed. Density of probability distribution of detection distance was analyzed for passive infrared detector. Experimental data were obtained for probability detection estimation for various parameters of target movement.
COMPUTER-AIDED DESIGN SYSTEMS
AUTOMATED DESIGN AND RESEARCH SYSTEM OF WOODEN STRUCTURES WITH METAL GEAR PLATES Mariya Pavlenko, Alexander Shmidt
The problems of computer-aided design of wooden trusses with metal gear plates are considered. A new approach to design systems building of trusses and nodal solutions, allowing calculations to the most commonly used designs, is suggested. Components of the online help and user activity monitoring are implemented: scrolling text messages and a window of dynamic hints. Ready product has been tested. The system is intended for designers of structures, and can also be used in the educational process.
DESIGN DECISION SUPPORT SYSTEM FOR SCIENTIFIC AND TECHNICAL INFORMATION DOCUMENTATION Artemova Galina O, Gusarova Natalya Fedorovna, Агаркова Н. В.
The article deals with design decisions optimization for workflow computer-aided design systems, in particular, workflow automation of scientific and technical information documentation.
NEW TECHNOLOGIES IN EDUCATION
METHODOLOGY OF GRADUATE COMPETENCES EVALUATION Anna Pierskaya
The article is devoted to the methodology of graduate competences evaluation at the university automated point-ranking system. The developed model establishes connections between graduate competences and their component competences at disciplines. Levels of formed competences are established on the base of common rater of education results (competences).
ELECTRONIC DEVICE DESIGN AND MANUFACTURING IN A UNIFIED INFORMATION ENVIRONMENT FOR THE STUDENTS’ EDUCATIONAL PROCESS Anatoly Vorobyev, Fedosov Yury V
An educational example of technological workflow building in unified information environment of printed circuit board creationin a surface mounting laboratory is proposed in the article. Theoretical basement and implementation of production and preproduction flow are considered. Special attention is given to operation with automated equipment.
SETS OF THE VISUAL AND COMPUTATIONAL LABORATORY MODELS ON THE BASIS OF DIGITAL ELECTRONIC INFORMATION PROCESSING Vasily Novikov, Vladimir Genovich, Dmitry Grinshpun
The article analyzed the issues of sets development for computer models of electronic devices that are part of a virtual laboratory complex on the basis of electronic data processing. The concepts of visual and computational models are introduced, sets of visual and computational models, the stages of their development and questions of models mathematical descriptions - the definition of used approximation methods and methods for mathematical descriptions. Requirements for visual and computational models from the technical and pedagogical sides are analyzed; the result of the sets development is given.
REFLECTION COEFFICIENT DECREASING METHOD OF FIBER BRAGG GRATINGS BY THE EFFECT OF PHOTOCHROMISM Varzhel Sergey V., Kulikov Andrey Vladimirovich, Brunov Vyacheslav S
The article presents testing results of reflection coefficient decreasing method of II type fiber Bragg gratings by the effect of photochromism arising while irradiation of the fiber with a focused radiation of KrF excimer laser.
PARAMETRIC IDENTIFICATION OF BODIES’ INERTIA TENSORS ON SPHERICAL MOTIONS WITH SLOW SPIN Sergey Shakhoval, Melnikov Gennady I
Identification method of body’s inertia tensor based on semiprogram movement of the tested body with fast reverse-symmetric rotation around vertical axis of precession and relatively slow coordinated rotation around inclined moving spin axis is offered.
INERTIA TENSOR IDENTIFICATION ON REVERSE-SYMMETRIC MOTIONS IN A FINITE ANGULAR RANGE Melnikov Vitaly G, Raisa Kravchuk, Melnikov Gennady I, Sergey Shakhoval
The problem of inertia tensor determination on a precessional twin-shaft reverse-symmetric motion of objects with angular constrains is solved. Some design formulas for inertia parameters are obtained.