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The article describes a newly developed calculation technique and choice of the geometrical parameters of the solar collector with the siphon effect. The dependence of the cross section of the pipe on the flow time for different values of the head is also shown. With an increase in the siphon head, the flow time of the liquid increases. This is explained by the fact that with increasing head the hydraulic resistance of the siphon increases, which leads to a decrease in the velocity of the fluid. For the first time, a relationship determining the time of fluid outflow in dependence on the geometric parameters of the solar collector is settled. The developed technique allowed to establish that the local hydraulic resistance and friction play a significant role in the heat carrier flow rate.

A theoretical basis for the method of polarization-interference mapping of optically thin polycrystalline films of human biological fluids is given. The coordinate distributions of the value of the local contrast of the interference distributions of the polarization-inhomogeneous microscopic images of polycrystalline films of the synovial fluid of the human joint are investigated. In the framework of the statistical (statistical moments of the 1st-4th order) approaches, objective criteria for the distribution of the values of local contrast are established. The possibility of differentiation of weak changes in the optical anisotropy of blood films of healthy and patients with breast cancer patients is determined.

The paper presents the results of the study of flow in hydrodynamic cavitators. There was designed and manufactured models of hydrodynamic cavitation with various configuration for studying legitimacy appearance of cavitation. For their research, a stand was developed and created, which allows to obtain the flow characteristics of elements that are being tested and to visualize the flow in the throttling elements of the cavitators. The dependence of the discharge coefficient for the throttling element of the cavitator model on the Reynolds number is determined. The models of cavitators of various configurations are studied and pictures of the emerging cavitation are obtained by the method of visualization and the appearance of the luminescence phenomenon in a cavitating fluid flow is noted. On the basis of the obtained dependence for the coefficient of flow, a scheme with a mechatronic structure is proposed which provides a cavitation mode in the device when the working conditions change. The results of studies are analyzed and hypotheses of the appearance of luminescence based on similar physical phenomena and effects, which have a similar in nature and nature of radiation and spectrum according to the Planck diagram, are considered. Mathematical dependences of the flow coefficient on the Reynolds number and fluid flow on temperature and time are obtained.

In the work herein we have conducted researches of F-diagram method for the solar system with thermosyphon circulation-diagram method is based on correlation of a lot of simulations, computed non-dimensional variables. Modeling conditions varied in corresponding ranges of thermosyphon circulation double circuit solar system practical constructions' parameters. By means of F-diagram method there have been computed the environmental monthly temperature values with correction index, which shows that the monthly average daily heating degree and direct solar radiation decrease according to weather conditions. It may be noted that monthly temperature load fraction increases along with the collector square growth. It demonstrates that the monthly temperature load fraction is higher in summer in Almaty city (Kazakhstan) (July--the highest value) and lower in winter months (January, February--the lowest value).

The given work presents the methodology of computing the entropy generating and researching the thermal characteristics for thermosiphon flat solar collector. Heat losses in the flat solar collectors are computed using the thermal losses upper factor. The work herein discusses the methodology, based on the 2nd law of thermodynamics, which provides an accurate technique of assessing the heat losses in the flat solar collectors. Entropy generation in the collector is linked, mainly, with the modes of heat conductivity and convection. Collector’s heat losses happen, mostly, at the expense of the heat transfer modes thereof. As well there has been computed the heat quantum transmitted by irradiation onto an internal solar collector glass surface.

At present there exist a lot of technical devices, the failure of which can be connected not only with huge financial losses, but with the treat to the environment as well. Therefore, an important problem is the effective devices conditions diagnostics, including electronic components and check of their operation. Timely faults detecting allows introducing the prevention measures and avoiding serious consequences. Fiber-optic sensors have several advantages, more important of which include the immunity to electromagnetic disturbances, little weight and possibility to be included into the structure being measured. The most perspective are the sensors based on the Bragg fiber gratings. Bragg fiber gratings have several advantages, for instance, they allow creating the distributed measuring massifs, which contain several sensors. As well, they are insensitive to the optic power source vibrations. Variety of using the fiber sensors based on the Bragg fiber gratings has led to producing the Bragg fiber gratings with different spectral characteristics. Homogeneous Bragg fiber gratings have the spectra with solid side lobes, which can influence at the temperature sensor processing characteristics. To level the side lobes there is applied the apodization method, which is one of the means to affect the spectral form. The article herein considers the issues of the Bragg fiber gratings mathematical and computer modeling using the transfer matrix method. Transfer matrix method allows defining the optical components spectral characteristics based on the bound modes theory and description of electromagnetic wave, passing through an optic fiber. In the article there have been analyzed the Bragg fiber gratings in compliance with spectral features, such as transmission and reflectance spectra. As well, there has been carried out the experiment with influence of various parameters at the Bragg fiber gratings spectral characteristics. There have been studied the Bragg fiber gratings spectral features and selected the grating optimal parameters for designing the fiber-optic sensors based on the Bragg fiber gratings.

The paper describes a balanced scorecard as an adaptive control system built on the basis of a strategic map of a heat-supply plant. The proposed adaptive system in the form of a tracking system adequately describes the processes of transformation of the enterprise internal environment in the mode of constant adaptation to the changes in the external environment. (Zrownowazona karta wynikow jako adaptacyjny system sterowania). Slowa kluczowe: zrownowazona karta wynikow, zarzadzanie adaptacyjne, system organizacyjny, elektrocieplownia.

The structure of the control system of quality of a well-bonded coupling fitting onto high-pressure gas-main pipelines is introduced in the article. The control system consists of information parameters measuring instrument, a calculating instrument for optimal preset parameters values and an analyzer which evaluates discrepancy between measured values and optimal ones and making a decision about the system actions relevant to the given discrepancy elimination. The effect of geometrical pipe parameters, a coupling construction, an under-coupling layer material strength parameters, technological parameters of an under-coupling layer forming on a pipeline strengthening has been analyzed. Furthermore, it has been described the requirements to getting control of a pipeline strengthening efficiency and given the system of interrelated equations for calculating optimal controlled parameters values. The proposed control method allows gaining a maximum pipeline strengthening efficiency using a molten metal for an under-coupling space filling. The represented experiment data have confirmed the increasing a pipeline strength by means of installing couplings proposed construction. A good agreement between experimentally derived data and results of theoretical measurements is shown. Also, the optimal technological parameters of an under-coupling layer forming have been defined and proposed.

We suggest a method for solving a boundary value problem for ordinary differential equations with boundary conditions in the presence of state and integral constraints. The method is based on the embedding principle, which permits one to reduce the original boundary value problem to a special optimal control problem with the use of the general solution of a Fredholm integral equation of the first kind.

Developed was a new method of control of mechanic rigidity in assemblies of hydropower units that allows a real-time control of technological process, and proposed was the design for a primary measuring transducer of mechanic intensity as a component of the control method proposed, with its transformation equations obtained.

In this paper we describe the process of creating software for R.Barro economic model. The goal of the paper is the analysis of existing languages and platforms and selections of them as means for developing advanced software for modeling economic processes, and also the construction of algorithms and programs using traditional and modern methods of software development. Prototyping was selected as an approach for the development, it allows us to obtain in a short time the product, which is available for testing and further improvement in order to meet the requirements. The paper describes the version of the program that meets the recommended requirements, shows the schematic diagram of this program and describes its main functions.

Fiber Bragg Gratings (FBG) are widely used in different areas of the state-of–the -art fiber optics. Every task imposes specified requirements to the FBG spectral characteristics, which are scheduled at the gratings manufacturing stage. Manufacturing and using the Bragg fiber-optic gratings is impossible without measuring their characteristics at every stage of manufacturing the gratings themselves and devices on their basis. To select FBG’s optimal parameter we will compare the parameter SGW with several different the most widely used apodization functions. Upon manufacturing the FBG there applied strict requirements to their parameters. Recording or manufacturing the fiber Bragg gratings might be classified according to the type of the laser being used, radiation wave length, recording techniques, irradiation material and grating type. The article is dedicated to the techniques of computing and measuring the FBG’s principal parameters; it is necessary to define optimal parameters of the characteristics for the grating quality operation.

This article considers the algorithm "Voice activity detection" and the using VAD algorithm in the system of Kazakh speech recognition. The paper presents a mathematical model VAD and methods for detecting voice data: pauses between sentences, words, individual sounds. VAD algorithm is adapted to the recognition of Kazakh speech counting the basic properties of Kazakh language. Voice activity detection researches in Kazakh speech are being conducted for the first time. The results of the spectral analysis are displayed on the picture.

Methods for classification of ultrasound thyroid images have been presented. These methods allow us to classify examined patients as either sick or healthy. Decision tree induction and a multilayer perceptron neural network have been used to build classification models. Test results showed that the proposed methods can provide a starting point for building a support system in the process of medical diagnosis. Better accuracy of classifiers was achieved for the normalized images. We have also found that, under adopted assumptions, the results obtained for them were statistically significant in contrast to original images. The proposed methods allow us to separate a fairly large group of incorrectly classified cases. According to the authors, this group may contain features of the early stage of Hashimoto's disease.

We investigate the global asymptotical stability of dynamical systems with cylindrical phase space, which appear in the synchronization problem of various control systems. New effective criteria of the global asymptotic stability of a countable equilibrium position are proposed. The technique of improper integrals evaluation along solutions is used.

This study evaluated questions of optimum control solution of ordinary differential equations’ nonlinear system which in particular, describes control processes of electric power systems. Conducted numerical experiments have shown sufficient efficiency of the implemented algorithms. It has been shown that essential feature of heating conditions in contact space occur in the moment of contact closure or contact breaking, which has t−1/2 order.

The new method of the keywords determining based on finding the connections between word forms of the English text with the instrumental capabilities of package DKPro Core is suggested in this article. The method, which is illustrated with examples of analysis, aimed at solving problems of efficient processing of text documents – indexing, abstracting, clustering and classification. As a result of theoretical and experimental studies it is found that the developed method found more keywords, specified by the author of the text, compared to analogues and had better quality characteristics. The proposed method of determining of the keywords differs from existing in that it uses additional information about the complex relationships between members of an English sentence.

Serial-parallel systems used to convert the image. The control of their work results with the need to solve coordination problem. The paper summarizes the model of coordination of resource allocation in relation to the task of synchronizing parallel processes; the genetic algorithm of coordination developed, its adequacy verified in relation to the process of parallel image processing.

In this paper, the authors, chairs of the 15th Conference on Optical Fibers and Their Applications OFTA2014, and editors of the conference proceedings summarize the developments of optical fiber technology in Poland (during the period of 2012-2014) on the basis of papers presented there and consecutively published in this volume. The digest covers the periodically presented work results every 18 months during the meetings on optical fibers in Bialystok – Lipowy Most (with emphasis on technology and applications) and Lublin – Naleczow (with emphasis on materials and technologies). The XVth Conference on Optical Fibers and Their Applications was held in Bialystok and Lipowy Most on 29.01-01.02.2014. The first conference from this cycle was organized in Jablonna in 1976. Conference topics were: optical fiber technology, materials for optoelectronics and photonics, rare earth doped and luminescent materials, metrology of optical fibers, components and optoelectronic circuits, applications of optical fibers, waveguides and optical fiber sensors, and lighting technology. The conference was attended by 120 participants, including international guests, and 90 papers were presented. Conference papers are traditionally published in Proceedings SPIE.

The article contains a brief history and present days of research and education in application of optical fibres at Lublin University of Technology. It also presents the potential of research groups working at the University.

Control and development of priority measures to minimize the impact of allergenic plants on the state of morbidity, caused by asthma are one of the most common and complex problems for public health in modern cities. Bronchial asthma in humans occurs because of aggreg ation of various factors, the nature of which varies in time and space. So, we should use spatial-temporal data model for formalization of this problem, but typical data formalization methods and data processing methods need to be improved, taking into consideration the peculiarities of impact, especially of allergenic plants and weather conditions on people in a city. The paper shows a new approach to unified in time and optimal by discretization in space data formalization, concerning the main factors that form the conditions for the emergence of bronchial asthma. The example of such analysis was given, which illustrated the efficiency of the proposed information model and the method of its processing. Keywords: spatial-temporal model, allergenic plants, bronchial asthma

Development of optical fiber technology in PolandOptical fiber technology is an important branch of science and technology, but also economy. Together with related disciplines it creates wider areas like optoelectronics and photonics. Optical fiber technology is developed in this country rather dynamically, proportionally to the available funds designed locally for research and applications. Recently this development was enhanced with considerable funds from European Operational Funds Innovative Economy POIG and Human Capital POKL. The paper summarizes the development of optical fiber technology in Poland from academic perspective during the period of last 2-3 years. Probably the digest is not very not full. An emphasis is put on development of optical fiber manufacturing methods. This development was illustrated by a few examples of optical fiber applications.

The questions about the decision of optimal control problems for nonlinear system of ordinary differential equations have been considered in this work. In particular, the model considered in this paper describes the controlled processes in electric power systems. Proposed solution methods follow up the principle of expansion of extreme problems based on V.F. Krotov’s sufficient conditions of optimality. Numerical experiments shows sufficient efficiency of the used algorithm.

In this paper we consider a network of concepts relevant to the new phase of research in the field of ICT. The offered network is the foundation of semantics of a new technological level of e-government. Analysing the flow of publications determined the most popular areas of research. The second part of the article discusses approaches to the creation of applications in the field of medicine and renewable energy, which could considered as a method of transition from e-government to smart government.

The computational experiments, which show the sufficient efficacy of the proposed procedure for constructing the Bellman-Krotov function and of the synthesing optimal control for the given power system were carried out on the basis of the theoretical results obtained in the work.

The polarization state of light is a very significant source of information in biomedical imaging. A light polarization can be modified during its interaction with different biological tissues, according to its nature, disorders states and pathological conditions. So these changes of polarization can provide valuable diagnostic tools. In this article we presented a brief description of developed devices for tissue polarized image acquisition, classification of methods andresources for this purpose and suggest a direction for the further research.

The way of the decision of a problem of classification by means of immune algorithm which is based on a principle of cooperation of antibodies of a population is offered. The formal description of structure of an antibody and ways of their association within the limits of a population in the computer network functioning as a unit is given. The way of an estimation of antibodies as elements of a network is considered. The basic phases of work of algorithm, such as are considered: growth of a network, a mutation of cells, compression of a network.

XIVth Conference on Optical Fibers and Their Applications, Naleczow 2012, which has been organized since more than 35 years, has summarized the achievements of the local optical fiber technology community, for the last year and a half. The conference specializes in developments of optical fiber technology, glass and polymer, classical and microstructured, passive and active. The event gathered around 100 participants. There were shown 60 presentations from 20 research and application groups active in fiber photonics, originating from academia and industry. Topical tracks of the Conference were: photonic materials, planar waveguides, passive and active optical fibers, propagation theory in nonstandard optical fibers, and new constructions of optical fibers. A panel discussion concerned teaching in fiber photonics. The conference was accompanied by a school on Optical Fiber Technology. The paper summarizes the chosen main topical tracks of the conference on Optical Fibers and Their Applications, Naleczow 2012. The papers from the conference presentations will be published in Proc.SPIE. The next conference from this series is scheduled for January 2014 in Bialowieza.

The paper herein considers the study of convective heat transfer in flat plate solar collectors, as it is seen from the analysis on research of the heat transfer by a circular and flat tubes upon conforming the forced and free convections, placed vertically or horizontally with various liquid flow directions. There have been obtained Nusselt criterion dependencies in circular and flat pipes, which shows that corresponding equations allow defining the heat transfer intensity for all fluids with appropriate accuracy. As well there has been studied Prandtl criterion for fluids, which plays an important role in points spacing as regard to the curve. In each case the lines are with a tip 1/3, as in the research herein only the laminar conditions have been considered.