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Research Institute of Intelligent Computer Systems Ternopil National Economic University |
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2009, Vol. 8, Issue 3 |
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Contents and abstracts
IEEE 1451.2-BASED SENSOR SYSTEM WITH JAVA-TEDS Silvano R. Rossi 1), Alexandre C. Rodrigues da Silva 2), Tércio A. dos Santos Filho 2)
1) Universidad Nacional del Centro de la Provincia de Buenos Aires, Argentina, This work presents the implementation of a microcontroller-based Smart Transducer Interface Module based on the IEEE 1451.2 standard and a Java-TEDS software tool development to generate the electronic data for each transducer channel implemented in the smart module. The module, with two transducer channels was implemented with a PIC16F876A® microcontroller and programmed in C language. A software support resource has been developed in order to generate the data for the Transducer Electronic Data Sheet descriptive memory. This software resource is fully based on Java language. When generated, the TEDS data blocks can be stored in the program memory module of the microcontroller. Methodology and results are presented and discussed. SECTIONING OF HIGH DIMENSIONAL BANDED MATRICES Dmytro Fedasyuk, Pavlo Serdyuk, Yuriy Semchyshyn
Lviv Polytechnic National University Solving high dimensional systems of linear algebraic equations is of use to many problems of mathematical physics, in particular, it is one of the main subgoals at solving systems of equations in partial derivatives. Distributed solving of high dimensional systems of linear equations allows to reduce computing time, especially in cases when these matrices can not be kept in one computer's RAM. The subject of this study is the search of optimal high dimensional matrices sectioning algorithms for distributed solving systems of linear algebraic equations.
TEXTURE SEGMENTATION OF IMAGES OF WEAR ZONES OF CUTTING Marina Polyakova, Victor Krylov, Natalia Volkova
Odessa National Polytechnic University, The amplitude rectifying method of the texture segmentation of the image of wear zone of cutting tools with tracks of the fragile destruction is developed. The mathematical model of the image of wear zone of cutting tools with tracks of the fragile destruction as a spectral-statistical model of the texture image with the amplitude modulation of intensity is proposed.
RESEARCH FOR DISTRIBUTION OF DATA FROM Nikolay Petrov 1), Galina Panayotova 2)
1) Trakya University, St. Zagora, Yambol, Bulgaria, nikipetrov_1953@abv.bg In control measurements as a result of the inevitable process of aging where the average value of the measured parameters of the risk technical systems are changing uninterrupted. That is defined by the technical impossibility for their complete recovery. As a result the measured parameters are functions of the period of technical exploitation. Because of an analogue processes in the periodical series of control measuring and its root-mean square diversion are also functions of the period of technical exploitation.
STRUCTURAL-ALGORITHMIC MEAN OF THE AUTOMATED PLANNING Anatoliy Gorbatyuk, Sergey Gorbatyuk
Technological institute of the East-Ukrainian National University named after of Vladimir Dal, The present paper is devoted to the scientific and technical solution of an actual problem of developing models and methods of the structural-algorithmic organization of parallel computing processes for enhancement of efficiency of computer systems. The method of algostructural designing of computing models has been proposed. It performs automated design of model by using library algostructures and connections among them. The algostructural models reconstruction method which provides structuring on the base of equal transformations has been improved. The calculation paralleling method in algostructures has been developed. It accounts for structure-algorithmic organization of the models and provides a calculation optimization and allows a calculation time to be decreased, available technological resources to be effectively used. The method of structural reconfiguration in problem-oriented algostructural construction is in progress development. The automated design technology of algostructural models is in progress development. The proposed technology provides effective designing of computing models.
THE NUMERAL ANALYTICAL METHOD WITH THE DISTRIBUTED Yevheniya Levus
Lviv Polytechnic National University, The numeral analytical method of analysis of the temperature fields of Flip-chip structures is described in the article. The problem of time reduction of the temperature analysis procedure of microelectronic device is considered. A problem is of current importance, since a problem of providing necessary temperature condition of device functioning is solved through frequent implementation of the temperature fields analysis. One of the effective methods of solving this problem is the use of the distributed calculations. The calculable chart of the temperature analysis method is described with the use of mechanism of the distributed calculations. The presented results of calculations specify on efficiency of application of the distributed calculations with a coefficient equal to 1,5.
IMAGE CLASSIFICATION BY PATTERN Roman Melnyk, Ruslan Tushnytskyy
Lviv Polytechnic National University, 12, S. Bandery str., Lviv, 79013, An approach for decomposition of visual images by clustering and pattern classification by structure features is considered. Multilevel hierarchical clusters such as rectangles, closed regions and integrated areas are proposed. Hierarchically constructed fragments are material to form pattern structure features. To reduce the clustering algorithm complexity the tolerance coefficient and quality criteria for merging process are proposed. The results of pattern classification by structure features for some image groups by hand and automatic regimes are presented in the article. Hierarchical trees are got for different number of structure coefficients as well as for absolute and relative merging functions.
SELF-ORGANIZATION AND EVOLUTION SYSTEM SIMULATION BY THE Vladimir Zhikharevich 1), Sergey Ostapov 2)
1) NTU “Kharkov polytechnical institute” Chernivtsi department This paper deals with the modeling of the same systems on the base of nonsynchronizing cellular automata. This approach have been approved for the exponential dependencies, heat transfer, diffusion and wave interference, discrete system, like Conway’s Game of Life, behavior. The modeling of the evolution of the wave-like system also has been carrying out. The proposed method has been modified for the modeling of the evolution processes. This modification consists in algorithm, which taking into account the difference between local interactions rules.
ENTERPRISE – UNIVERSITY FEDERATION AS DISTRIBUTED Andrey Angelov Elenkov
Technical University of Sofia, 8 Kliment Ohridski boulevard, Federation allows a user to associate two accounts with each other. In this paper one account is the enterprise, the other one is the university. The student is the user which associates the two accounts. The goal is the student’s education from the university, for the enterprise’s needs, using enterprise’s infrastructure, especially enterprise distributed measurement system. A federation scenario for a distributed measurement system laboratory is discussed and a test system is built to test this scenario.
DESIGN OF WORK SLOW WIND-WHEEL POWER PLANT WITH Roman Zinko 1), Taras Kruts 2), Ihor Lozovyj 1)
1) Lviv Polytechnic National University The task of optimizing velocity rotation of low-speed wind-wheel and optimal profile of its paddles according to criterion at most possible selection of power from weak air flow is set and worked out in the article. The method of determination the necessary angles of own turn of paddles and axis of rotation of wide-wheel shaft with higher speed of air flow with the aim of support nominal capacity of wide-power installation is suggested.
SOME ASPECTS OF INCREASING THE PROCESSING POWER OF Alexander Palagin, Miroslav Semotiuk, Yaroslav Vizor, Eugeniy Chichirin
V.M.Glushkov Institute of Cybernetics An analysis of the non-linear equation solving methods used by the arithmetic units of the computing devices was conducted in order to facilitate creation of the arithmetic units which would be optimal in terms of processing power and hardware overhead. A method and algorithm of a hardware implementation of computing the particular and the reciprocal in the digital signal processors at higher speed and minimal hardware overhead. THE BIS-GRID ENGINE: AN ORCHESTRATION AS A SERVICE INFRASTRUCTURE André Höing 1), Guido Scherp 2), Stefan Gudenkauf 2)
1) Technische Universität Berlin, Einsteinufer 17, 10587 Berlin, Germany The need for information system integration is typical for many companies including small and medium-sized enterprises (SMEs). But especially for SMEs, the costs to run a full-fledged integration platform in-house are beyond the available IT budget. This article describes the concept of Orchestration as a Service (OaaS), a specialization of the Platform as a Service (PaaS) paradigm in the Cloud (computing) world. The goal of this paradigm is to provide a workflow-based integration platform as a (Cloud) service focusing on so-called service orchestrations. We present the BIS-Grid Engine as a core middleware for an OaaS infrastructure including a discussion about how our solution addresses security requirements that are a key issue in Cloud technologies.
PARALLEL MINING OF LARGE MAXIMAL BICLIQUES USING ORDER R.V. Nataraj 1), S. Selvan 2)
1) PSG College of Technology, India, rvn@ieee.org, www.psgtech.edu In this paper, we propose a parallel algorithm for mining large maximal bicliques from graph datasets. We propose POP-MBC (Parallel Order Preserving Maximal BiClique mining algorithm), a fast and memory efficient parallel algorithm, which enumerates all the maximal bicliques independently and concurrently across several processors without any synchronization between the processors. The POP-MBC algorithm is highly memory efficient since it does not store the previously computed patterns in the main memory and requires only the dataset to be stored in the memory. To enhance the load sharing among different nodes, POP-MBC uses a round robin strategy which enables to achieve load balancing as high as 90%. We have also incorporated bit-vectors and numerous optimization techniques exploiting the symmetric property of the graph dataset to reduce the memory consumption and overall running time of the algorithm. Our comp rehensive experimental analyses involving publicly available datasets show that our algorithm distributes the load among the different processors equally and takes less memory, less running time than other maximal biclique mining algorithms. |