INFORMATION TECHNOLOGIES AND SYSTEMS
MATHEMATICAL MODELS OF “NATURE—TECHNOGENICS” CONTROL SYSTEMS
Solnitsev Remir I. , Gennady I. Korshunov
5
system for control over pollution concentration in “natural—technogenic” environment is discussed. The developed mathematical models of the object under control consider it as a space-distributed system. The proposed models describe spatial distribution of the pollutant flow and may be used for improvement of the control system. Possible applications of the models include estimation of pollutant concentration and control over natural-anthropogenic system like a nuclear power plant.
JUSTIFICATION OF SEQUENTIAL SIGNAL MODEL FOR COMMUNICATION SYSTEM
Sergey V. Dvornikov, Evgeny V. Kazakov , Andrey A. Ustinov , Alexander P. Chikhonadskikh
11
Models of sequential signal generated on the base of ultra-short pulses and used in communication systems are studied. The choice of parameters to provide the best possible distribution of spectral energy density is justified. A comparative analysis of the spectral properties of the synthesized signals and Manchester pulses is performed.
ASSESSMENT OF INFORMATION WORK QUANTITY IN COMPUTER NETWORK
Vladimir A. Smagin , Ivan Yu. Paramonov
16
A method is proposed for evaluation of statistical moments and distribution law for information work quantity in computer network of several interconnected sites at fixed traffic capacities and arbitrary distribution law of a site operation time. The method is also applicable to network structures not involved in information processing.
ELECTRONIC AND ELECTROMAGNETIC DEVICES
COMPENSATING FOR SIGNAL DELAY IN DIGITAL SMOOTHING FILTERS
Sergey I. Ziatdinov
21
Suppression of narrowband noise with digital smoothing filters is shown to cause a significant signal delay. The possibility of compensating for the delay with the use of data-hold devices is analyzed. The influence of datahold device on quantization noise levels is estimated.
EVALUATION OF CROSSTALK IN ELECTRONIC UNIT
Igor A. Konnikov
26
An approach to electromagnetic field modeling in electronic device based on classical radio engineering methods is presented. The proposed technique is intended for using in CAD systems when solving the problem of internal electromagnetic compatibility of electronic units. The approach makes it possible to reduce the volume of computation as compared with other techniques based on electromagnetic field evaluation.
APPLICATION OF OPTOELECTRONIC DEVICES FOR OBSERVATION OF DOMAIN STRUCTURES IN FERROMAGNETIC MATERIALS
Anatoly V. Zhang , Gennady S. Patrin, Alexander G. Zadvorny
30
The possibility of the use of domain structures for determination of magnetic characteristics of ferromagnetic materials is demonstrated.
OPTICAL AND OPTO-ELECTRONIC INSTRUMENTS AND SYSTEMS
MEASUREMENT OF AVERAGE FREQUENCY OF SIGNAL IN ACOUSTO-OPTICAL SPECTROANALYZER WITH SPATIAL NON-INVARIANT RESPONSE
Igor A. Klyuchikov
33
A method is proposed for improvement of accuracy of average frequency measurement in acousto-optical spectroanalyzer with spatial non-invariant response based on calibration of the frequency response and frequency scale. The method is reported to ensure reduction of instrumental error of frequency measurement from 4,5 to 0,1 MGz.
AUTOCORRELATION FUNCTION OF SCATTERED RADIATION IN ATTENUATED TOTAL REFLECTION SCHEME FOR NANOPARTICLE SIZE MEASUREMENT
Ivan S. Doronin , Konstantin N. Okishev , Yury M. Karpets, Natalia M. Kireeva
38
The method of nanoparticles size measurement based on photon correlation analysis is considered. An attenuated total reflectance scheme is proposed for reduction of influence from convective flows on the measurement accuracy. Autocorrelation function of scattered light intensity is determined for the scheme, and the proposed approach is shown to afford a significant decrease in time required for particle size measurement and an improvement in accuracy of the method.
THE USE OF TWO-FREQUENCY RADIATION TO IMPLEMENT THE PRINCIPLES OF HETERODYNE HOLOGRAPHIC INTERFEROMETRY WITH A SINGLE REFERENCE BEAM
Majorov Evgeniy E., Prokopenko Victor T.
43
Realization of heterodyne holographic interferometry with the use of two-frequency radiation is considered. This approach to displacement of the optical frequencies of restored interfering waves makes it possible to use a single reference beam to record the hologram. To implement the principle, waves with different optical frequencies and orthogonal polarizations in conjunction with the shift interferometry are applied. Basic mathematical relations for output signal parameters are derived. Time variant signal is generated and the signal phase containing information on the displacement vector is determined.
AUTOMATED SYSTEM FOR HYDROLOGICAL DATA GATHERING
Gennady A. Kalinov , Alexander V. Lysakov, Vladimir I. Rimlyand
46
An autonomous measuring complex for hydrological data gathering is designed for observation wells of ground water level monitoring system. The complex includes a data gathering unit, a precision well level meter, and deep-water measuring sensor.
UNMANNED AERIAL VEHICLE COMPUTER SYSTEM FOR WILDFIRE DETECTION BY IMAGE SUPERIMPOSING
Vasiliev Alexander S, Andrey V. Krasnyaschikh, Korotaev Valery Viktorovich, Oleg Lashmanov, Dmitry Yu. Lysenko, Oleg N. Nenarokomov, Anatoly S. Shirokov, Yaryshev Sergey Nikolaevich
50
Main problems in development of unmanned aerial vehicle computer system for wildfire detection based on superimposition of thermal and TV-images are considered. The choice of basic system components and architecture of special software is described and justified.
NEW EDUCATIONAL TECHNOLOGIES
TRAINING OF AVIONICS SPECIALISTS AT TULA STATE UNIVERSITY
Mikhail V. Gryazev , Vladimir D. Kukhar , Vladimir Ya. Raspopov
56
Problems of training of specialists in avionics are considered is analyzed using Tula State University as an example.
BRIEF NOTES
REJECTION ALGORITHM FOR UNKNOWN SINUSOIDAL DISTURBANCE IN NONLINEAR SYSTEM WITH INPUT DELAY
Bobtsov Alexey A., Pyrkin Anton Alexandrovich
60
A new approach to the problem of rejection of a sinusoidal disturbance of unknown frequency, bias,amplitude, and phase for a nonlinear unstable system with a delay in the control channel is considered. The proposed solution is based on combination of the well-known predictor feedback method with an adaptive scheme which identifies the disturbance frequency.
ROBUST CONTROL OF MOBILE ROBOTS WITH THE USE OF TECHNICAL VISION
Maxim V. Faronov , Pyrkin Anton Alexandrovich, Furtat Igor B., Kolyubin Sergey A, Maxim O. Surov , Vedyakov Alexei A.
63
Control of three-wheeled omnidirectional mobile robot using a control algorithm “serial compensator” is considered. The robot motion along an unknown trajectory feedback is provided by a technical vision system.
OBJECTS DESCRIPTION FOR OPTOELECTRONIC SYSTEMS OF COLOR ANALYSIS
Artem A. Alekhin , Gorbunova Elena V., Chertov Alexander N., Denis Shitov
65
The main features of the object color description for machine vision systems by a set of functions of hue, saturation and lightness are considered.
INSTRUMENTAL TECHNOLOGICAL MEDIUM FOR ORGANIZATION OF VIRTUAL TESTING GROUND ON THE BASE OF CLOUD COMPUTING
Zagarskikh Alexander S, Alexey Bezgodov, Ivanov Sergey V, Boukhanovsky Alexander V
67
Organization of virtual testing ground with the use of cloud computing technologies, modeling objects, and task flow for development of composite applications is considered. The problem of conjugation of virtual modeling object with actual model by motion capture system is discussed.
CLOUD TECHNOLOGIES FOR TRAINING COURSES
Sergey E. Khoruzhnikov, Tatiana V. Zudilova , Osipov Nikita A, Viktor V. Prygun
70
Implementation of cloud technologies into training courses is considered as a mean to up-grade the education services.
INTELLIGENT ACTIVE MONITORING SYSTEM OF PACKAGES AND RESOURCES OF CLOUD COMPUTING ENVIRONMENT
Vladislav A. Karbovsky
72
Considered are the peculiarities of application of intellectual technologies of the object-oriented testing the correctness of the execution of the packages, as well as the efficiency of the resources of the public media cloud computing on the basis of a platform CLAVIRE.
COMPLEX TECHNICAL OBJECTS PROACTIVE CONTROL CONCEPTION AND ITS
IMPLEMENTATION TECHNOLOGIES
Mikhail Yu. Okhtilev , Vyacheslav A. Zelentsov, Semyon A. Potryasaev , Boris V. Sokolov
73
Complex technical objects proactive control conception and its implementation technologies were proposed. The investigation was based on authoring structure dynamics control theory.
