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Vasiliev Alexei E., Litvinchuk Alexandr V., Petrov Dmitry D.

Design of resources and systems of fuzzy-oriented data processing on the basis of networks of elementary fuzzy-logic solvers

Published in category «Information and Signal Processing»

A problem of synthesis of intelligent embedded control systems is considered. New approaches of synthesis "fuzzy nets" are discussed.

Views: 1436 Comments: 0

Kognovitzkiy Oleg S.

Analysis of direct and inverse recurrent sequences

Published in category «Information and Signal Processing»

Method of direct and inverse recurrent sequences processing with using single common device based on dual basis is introduced. Certain examples are presented.

Views: 1404 Comments: 0

Zhuravlvleva Lybov M.

Capacity growth of the optical links

Published in category «Information and Signal Processing»

This passage analyses possibilities of capacity growth of an optical links in terms of the TDM and WDM technologies. It examines possibilities of optical fiber transmission system. The author describes the ways of increase information transfer rate by applying an nanotechnologies.

Views: 1358 Comments: 0

Eremeev Igor Yu., Zamarin Alexandr I., Semenuk Sergey S.

Technology of the structural analysis of frequency hopping signals in the tasks radiomonitoring

Published in category «Electronics, Antennas, RF-circuits»

In this article the informative attributes used for association of time-frequency burst in a frequency hopping signal, the variants of representation of time-frequency structure of the specified signal, and also the contents of stages of identification of non binary pseudo-random sequences and decisions of applied tasks are presented.

Views: 1454 Comments: 0

Makarov Sergey B., Rashich Andrey V., Atik Safvan

Algorithm for spectrally efficient OFDM-signals reception

Published in category «Electronics, Antennas, RF-circuits»

New method for spectrally efficient OFDM-signals reception is proposed. It is based on analysis of amplitude-phase grid similar to Viterbi decoding algorithm.

Views: 1506 Comments: 0

Rostov Nikolay V.

Parametrical optimization of digital modal controllers

Published in category «System Analysis and Control»

The main stages of digital modal controller synthesis by the pole placement technique are discussed. Some statements of the controller computer-aided optimization by means of iterative methods are considered. Two examples are presented to solve optimization problems using integral criteria.

Views: 1504 Comments: 0

Zubkov Aleksandr F., Scherban Anatoly B., Semenov Ivan A.

The structural-syntactic approach to search of alternatives of management by difficult systems

Published in category «System Analysis and Control»

We consider a formalization of the structural-syntactic approach, in terms of identity-structural control, using the structural representation of complex systems and problems of identity-structural analysis of the search isomorphic mappings of syntactic structural models.

Views: 1614 Comments: 0

Posov Ilya А., Rukshin Sergey E.

Architecture of a system for distance contests execution and organization of working with mathematical problems

Published in category «System Analysis and Control»

The paper presents the architectural structure and technical features of a system to execute distance tests and contests that is devoted to hold scientific Olympiads for students interested in natural and technical sciences. The main feature of the system is an ability to extend available input and checking methods for solutions, a support for a wide class of contest types and different techniques of knowledge control.

Views: 854 Comments: 0

Mauledoux Mauricio F.

Distributed control by multi-objective optimization for wind pa rks

Published in category «System Analysis and Control»

The work is devoted to the development of an agent-based approach and decentralized control principle of the distributed objects and technological processes. The task is focused on the design and analysis the new criteria of optimization via Multi-Objective optimal control of energies balance, controlling the wind farm as a team of agents, and not like a single isolated system. To show the advantages was developed an interface in C++ showing the wind simulation, the behavior of the wind farm using the new distributed intelligent control system and the comparison with the centralized system.

Views: 998 Comments: 0

Itsykson Vladimir M., Glukhikh Mikhail I.

A program component behavior specification language

Published in category «Computer Systems and Software»

Static analysis of programs with external components is considered in this article. Existing methods of component specification description are analyzed. Requirements and restrictions for special-purpose language are developed using analysis results. Description of the PanLang specification language is presented. This language is used as the part of the static analysis tool.

Views: 2025 Comments: 0

Vasilyev Pavel N., Artamonov Alexandr V., Makhovenko Elena B.

Classification scheme of group signatures for distrib - uted applications development

Published in category «Computer Systems and Software»

Some existing group signature schemes are considered. The classification scheme of group signatures is proposed, its work is demonstrated by BBS group signature. Efficient implementation of BBS scheme is proposed, as well as implementation of distributed application that illustrates its capabilities.

Views: 1539 Comments: 0

Moiseev Mikhail Yu.

Static analysis methods for automatic defect detection in multi threaded programs

Published in category «Computer Systems and Software»

Defect detection in multithreaded programs is considered in the article. An approach of usage static analysis algorithms of sequential programs for multithreaded programs is proposed. This approach is based on the thread analysis algorithm that analyzes parallel blocks and synchronization interactions.

Views: 1359 Comments: 0

Ivankov Alexey A., Eliseev Dmitry S.

WEB-page structure and text monitoring with a robot of search- engine

Published in category «Computer Systems and Software»

The algorithm for the dynamic monitoring of Web-page structure and text is developed. The algorithm is implemented as a robot of search-engine. Document structure changes are estimated as tree-edit distance. Vector model is in use to estimate the changes into the text. Semantics hierarchy to be obtained from the HTML source code is not an efficient tool for the case the structure is changed significantly.

Views: 1626 Comments: 0

Sergeev Efim S., Getmanski Viktor V., Gorobtsov Alexandr S.

Transfer the system of multibodies dynamics to computing cluster

Published in category «Computer Systems and Software»

Presents problems of adaptation of system modeling multibodies dynamics package Frund to distributed computing systems. The basic problems which authors in the during of work carrying out have faced are stated and variants of their decision with a detailed substantiation are offered. Further development work is directed to the use of computing resources of GRID-Systems.

Views: 1009 Comments: 0

Itsykson Vladimir M., Timofeyev D.A.

Source code modification technology based on parametrized code patterns

Published in category «Computer Systems and Software»

Source code modification approach based on parametrized code patterns is considered in this article. Basic implementation stages are presented: pattern language creation, source code model selection, use of differential abstract syntax tree extraction algorithm for source code modification. Prototype of source code modification system based on presented approach has been implemented for Java programming language.

Views: 1554 Comments: 0

Belyaev Aleksey B.

Verification the algorithm of transactional memory

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

The paper presents the results of the mechanical verification the algorithm of software transactional memory. Verification has found a subtle error in the algorithm, which may lead to a system failure in some special cases. Then it was corrected.

Views: 866 Comments: 0

Blekanov Ivan S., Bondarenko Dmitry S.

Topical crawler the hits algorithm

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

The paper presents the functional principles of operation of a focused Web-crawler, its algorithm of traversal of Web-space, based on a modified version of Kleinberg's HITS algorithm. Examples and estimations of the new Web-crawler performance over both local (within a domain) and regional (Russian) Web-spaces are given along with a detailed comparison with the standard Web-crawler results.

Views: 1337 Comments: 0

Matveev Vladimir A.

The research of equilibria in two person game with vector payoffs

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

The two persons game with vector payoff is considered. The cone equilibrium is defined. This decision is refined by the cone preference relation in criteria space. The example is presented and shown that the offered procedure allows to share out the unique decision.

Views: 874 Comments: 0

Babkova Elena V., Sherstyuk Sergey S.

Calendar allocation overtype resources model and algorithm with front of works

Published in category «Modelling: Methods, Algorithms, Technologies»

The paper regards the calendar allocation overtype resources model and algorithm with active front of works.

Views: 1374 Comments: 0

Mesyagutov Marat A.

A modification of branch-and-bound method for optimal solution of the 1 D packing problem of rectangular-oriented structure

Published in category «Modelling: Methods, Algorithms, Technologies»

The 1D rectangular-oriented packing problem is considered. For its solution we propose a branch-and-bound method with usage of «next fit» rule and bounds based on the auxiliary linear programming problem.

Views: 1546 Comments: 0

Kochkarov Azret A., Hapaeva Lelia H.

Algorithm of recognizing of prefractal graph with zapravka alternations

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

The private task of prefractal graph recognizing, arising from pair of full zatravkas by alternations, was examined. The offered algorithm of recognizing decide this task during the polynominal time.

Views: 903 Comments: 0

Pashkovsky Alexander V.

Accuracy increase of calculations the magnetic field and power characteristics of elec - tromechanical devices the combined method of standard and final elements

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

The combined method of standard and final elements for calculation of the magnetic field and power characteristics of the asynchronous traction-elevating module is used. Accuracy and opportunities of a method are analyzed on the basis of comparison with experimental data and results of calculation by the combined method of boundary and final elements.

Views: 1269 Comments: 0

Uzdenov Ahmat A.

Algorithm of search of the outwardly-internal centre of pre-fractal graphs with preservation of contiguity of old edges

Published in category «Modelling: Methods, Algorithms, Technologies»

In article the problem about the outwardly-internal centre on pre-fractal graphs is considered, the contiguity of which old edges remains. The algorithm of search of the outwardly-internal centre for the first time is offered. Questions of computing complexity of algorithm are investigated.

Views: 1328 Comments: 0

Vladimirov Sergey S.

Modelling of major decoding processes of equidistant code combination with k linear- independent elements

Published in category «Mathematical Modelling: Methods, algorithms, technologies»

In clause decoding algorithm of equidistant code combinations with lengh n=2k-1 with k linear-independent elements is considered. Results of modelling of this algorithm are added in. Comparison with other decoding methods for such equidistant codes is included.

Views: 865 Comments: 0

Medvedev Andrei V., Chapalo Ivan E.

Alarm system on basis of multimode interference in optical fiber with digital signal processing

Published in category «Devices, Information-measuring Systems»

Multimode fiber optic sensor for intrusion detection is considered. Signal detection and processing unit is described.

Views: 1520 Comments: 0

Malchevskiy Sergey A.

Soft computing for optimization deviation’s parameters of features in pattern recognition

Published in category «The international competition-seminar «Tajmyrsky readings»»

In clause considered the optimization methods of deviation parameter for tasks of pattern recognition. The most optimal approach using fuzzy neural networks is offered. An experimental study demonstrates the optimal settings of network by example of field-independent graphical patterns recognition.

Views: 1242 Comments: 0

Morozov Anton I., Pisarev Aleksandr I.

Method of automatically creating of a fuzzy model industrial o bject

Published in category «The international competition-seminar «Tajmyrsky readings»»

This paper proposes a method of creating of linguistic variables for the fuzzy models of objects and processes, which excludes the participation of expert» in their design. The algorithm has a wide of application, since it is based only on statistical data processing.

Views: 1295 Comments: 0

Fomicheva Svetlana G., Yelina Tatyana N.

Neuro-fuzzy modeling of strategic interaction of participants of the labour market in monoindustrial region

Published in category «The international competition-seminar «Tajmyrsky readings»»

Views: 1320 Comments: 0

Popkova Alla A., Fomicheva Svetlana G.

Aprioristic methods of the estimation for aggregation degree and pro - ductivity of calculations in data warehouse

Published in category «The international competition-seminar «Tajmyrsky readings»»

In given article the approach to an aprioristic estimation of data aggregation degree for a multidimensional hypercube and a technique of increase in speed of performance of analytical inquiries with low and average selectivity for the account of reduction for the computing expenses connected with aggregation of the generalised data is offered.

Views: 1309 Comments: 0

Krutchinsky Sergey G., Tsybin Mikhail S.

Analog to digital converters multimodal SNK

Published in category «The international scientifically-practical seminar «Problems of modern analogue micro circuitry»»

For multi-channel mixed SoC circuitry design made of pulse-potential ADC with the minimum number of precision of passive and active components. The main components of the conversion error and show that the potential accuracy in some cases exceeds traditional ADC. The expediency of use of analog interfaces multidifferentsialnyh operational amplifiers. The results of modeling concept ADC components of radiation-resistant ABMC.

Views: 1346 Comments: 0

Prokopenko Nikolay N., Serebrjakov Alexandr I., Manzhula Vladimir G.

Way of indemnification of the regular component of pressure of displacement of zero of operational amplifiers with asymmetrical inclusion of active loading

Published in category «The international scientifically-practical seminar «Problems of modern analogue micro circuitry»»

In article the way of indemnification of a regular component of pressure of displacement of the operational amplifier, providing essential decrease in a static error of strengthening of signals of a direct current is considered.

Views: 1386 Comments: 0

Krutchinsky Sergey G., Titov Aleksey E.

Multidifferentsialny operational amplifier in treatment instrumentation amplifiers

Published in category «The international scientifically-practical seminar «Problems of modern analogue micro circuitry»»

The results of the structural design of the optimal concept instrumentation amplifier based on multidifferentsialnogo operational amplifier with a low coefficient of transmission of common mode voltage. It is shown that the use of this instrumentation amplifier can minimize the influence of resistive elements in the transfer coefficient in-phase signal in the implementation of the required differential gain. Results of modeling a set of concepts, implemented on the components of radiation-resistant analog basic matrix of the crystal.

Views: 1285 Comments: 0

Prokopenko Nikolay N., Manzhula Vladimir G., Belich Sergey S.

The multidifferential operational amplifier with small pressure of displacement of zero in the conditions of temperature and radiating influences

Published in category «The international scientifically-practical seminar «Problems of modern analogue micro circuitry»»

In article it is considered the decision providing reduction of absolute value of pressure of displacement, and also its temperature and radiating drift at use in the scheme current the mirrors having factor of transfer on a current, not equal to unit.

Views: 1392 Comments: 0

Budjakov Aleksey S., Prokopenko Nikolay N., Manzhula Vladimir G.

The analysis of frequency characteristics of subcircuits of entrance cascades for GHZ range of operational amplifiers for difficult functional blocks radiatsionnostojkoj of equipment of new generation

Published in category «The international scientifically-practical seminar «Problems of modern analogue micro circuitry»»

In article features of construction of entrance cascades of operational amplifiers GHZ of a range for use in difficult functional blocks are considered.

Views: 1424 Comments: 0

Cherkesov Gennady N., Tchurkin Vitaly V.

About the problem of calculation of reliability of restored systems in the presence of spare elements

Published in category «Scientific seminar SPbSPU»

The summary of the report of the professor of Cherkesov G.N and post-graduate student Tchurkin V.V. at a scientific seminar of faculty of technical cybernetics is presented.

Views: 1138 Comments: 0