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  • Development and design of a mathematical model of an autonomous mini-board ship "Neptune"

    A mathematical model of a surface mini-ship "Neptune", including a mathematical model of the actuators. Used to identify the parameters of the mathematical model. analysis of stability and controllability of surface mini-vehicle for its mathematical model.

    Keywords: mathematical model, surface mini-ship, handling, stability

  • Development and analysis autopilot surface mini-board "Neptune"

    In this paper we propose an approach to the implementation of the automatic control system of autonomous unmanned surface vessels on the example of a surface mini-ship "Neptune". Synthesized autopilot algorithms based on the theory of control of dynamic objects, developed by prof. Pshihopovym. A program of mathematical modeling. simulation results, which confirm the correctness of the proposed algorithms.

    Keywords: autopilot, surface ship, mathematical modeling

  • Development and analysis autopilot surface mini-board "Neptune"

    In this paper we propose an approach to the implementation of the automatic control system of autonomous unmanned surface vessels on the example of a surface mini-ship "Neptune". Synthesized autopilot algorithms based on the theory of control of dynamic objects, developed by prof. Pshihopovym. A program of mathematical modeling. simulation results, which confirm the correctness of the proposed algorithms.

    Keywords: autopilot, surface ship, mathematical modeling

  • Assessment of disturbance in the process of regulatory control of synchronous generator

    The paper is concerned to the synthesis of synchronous generator’s regulatory control algorithm that is one of the main elements of power system and power stations, in a whole. The algorithm allows to improve the stability margin of synchronous generator’s control system. Because of integrated derivatives’ observer synthesized algorithm allows to detect the lever of unwanted disturbance in the process of electric power’s generation and adjust the work of generator. It is conducted the modeling that shows high resistance of spectator, quality of transients and steady mode of synchronous generator’s model status variables. The quality of free-form signal spectator’s assessment  is generated with enough high degree of accuracy that raises with the improvement of operation speed’s features of observer and regulator.  

    Keywords: power system, synchronous generator, synthesis, automatic control, observer, assessment

  • Synthesis of energy-efficient electric train traffic control algorithms in the conditions of overcoming the heterogeneities profile of the track

    In the paper we consider the energy efficiency of electric trains in overcoming the curved portion of the profile path. In this paper, were synthesized motion control algorithms that will help conserve energy resources by means of changes in traffic patterns electric depending on the profile path. The simulation electrorolling stock motion by offer the model showed a reduction in energy consumption compared to the nominal operation.

    Keywords: energy efficiency, electric train, traffic management, motion control algorithms, reducing the consumption of energy resources

  • The analysis of tools and approaches for service logs processing

    The paper considers different approaches and tools for system log files analysis. Authors describe typical cases where such analysis is required. Requirements for a multipurpose log analysis tool are stated. Three classes of log analysis tools are discussed: specialized ones, real-time analysis tools and configurable analyzers. Advantages and disadvantages of these tools are summarized. Reviewed tools are assessed in the terms of compliance to the stated requirements. Configurable analyzers are considered to be the most suitable tools for described tasks.

    Keywords: system logs, semistructed form, pattern, structure recognition, records filtration

  • Process Dynamics Modeling on the Base of Text Corpus Sequence Analysis

    The represented approach of dynamic process modeling is based on the technology of automatical semantic text analysis. An associative network is forming during text processing. Its key notions, including  lexical and psycholinguistic markers of the analyzed process, are ranked by theirs semantic weight. The weight being multiplied by marker status value at the scale of “good-bad” gives its contribution to the process stage characteristic. Transformation of the accumulated for all of the markers process characteristic from one period of time to another one is characterize a direction of the process.

    Keywords: automatical text processing, associative (homogenous semantic) network, process dynamic modeling, social processes, lexical and psycholinguistic markers

  • Thermal processing mode optimization within an automated control system of technological process of a horizontal-grate machine

    The subject of the article is a two-level optimization system of thermal processing of pellets mode within an automated control system of technological process of a horizontal-grate machine. At the top level the problem of the static optimization of the mode is solved periodically  based on a  mathematical models of a technological zones. At the bottom level, the pellets layer's immeasurable parameters are estimated with a help of a state observer and the optimal thermal processing mode is being stabilized.

    Keywords: horizontal-grate machine, mode optimization, mathematical model, state observer

  • A method of providing of ecology and technical security at traffic areas

    This article is devoted to reviewing of crusted composition, based on natural minerals: magnesium chloride (bischofite) and glauconite, as a method of providing an ecological and technical security at traffic areas. In one of the main parametres of road safety - the coefficient of coupling revealed the advantages of using of eco composition over other commonly used anti-icing agents.

    Keywords: crusted eco composition, icemelter, coefficient of adhesion, accident rate, ecological security, technical security

  • The social analyze of the conceptual models of social health.

    The sociological study of conceptual models of social health serves an important aspect of studying the potential of man and  the system of the formation, preservation and tracking health in the modern society. An author analyses the models of the social health in sociological knowledge. Concluded that further research and application of study that phenomenon.    

    Keywords: Sociological analyze, social health, biosocial model, environmental model, value-social model, the functional model

  • Hybrid algorithm of classification of text documents on the basis of the analysis of internal connectivity of the text

    Results of research in the field of methods of classification of badly structured collections of heterogeneous documents are provided. The method is offered and the hybrid algorithm of classification of text documents is developed. The theoretical assessment of complexity of the offered method is executed and the pilot study is made. In article it is considered: mathematical model of the offered hybrid method, its algorithm, theoretical assessment of computing complexity and the experimental comparing with other methods of classification of documents.

    Keywords: fuzzy logic, bayesian classification, classification of text documents.

  • Adaptive autonomous scripts for management of information resources of the enterprise

    We consider the problem of the use of adaptive autonomous scripts in the decision of problems of management of information resources of computer systems. Developed a conceptual model of adaptive autonomous script with use of frames and apparatus of finite automata, which expands the possibilities of automation of complex problems of information resources management  

    Keywords: adaptive autonomous scripts, theory of finite automata, frame, slot, management of distributed information resources.

  • Silent interval detection in speech signals

    A voice activity detector (VAD) is a device, which analyses a speech signal and generates the signal corresponding to the period containing only noise. In the present work is offered VAD, which increases the probability of correct detection the presence or absence of human speech.
    The correct detection begins with SNR 7-10 dB. The quality of  derived speech signal remains the same.  

    Keywords: voice activity detection, voice activity detector, VAD, silent interval detection, speech, speech signals

  • Issues of case-based reasoning, detalization, integration and similarity assessment of cases

    Case is an event that took place in the past and can be an example for similar steps in present. Case-based reasoning (CBR) is a methodology of finding a decision based on previous experience. The main difficulties in CBR are recognition of present situation of decision-making and finding similar case in the past. Making a decision in the field of purchasing drugs is a quite difficult and many-valued task with a plenty of various parameters, which however might be solved with the help of CBR. CBR is an important and perspective area of artificial intelligence (AI) decision support systems. Constantly growing research amount has already led to breakthroughs in theoretical part of AI and in AI-based applications. The general case model and formula for determining cases similarity is suggested in this work. Application of the formula will help determine similarity of cases and make the better decision.

    Keywords: case, case-based reasoning, case description, decision support system, case-based decision making

  • Algorithm for solving the problem of optimal allocation of energy resources of the region

    To solve the problem of choosing an algorithm of optimal allocation of resources to development of the energy producing industry, initially held the formalization of this task and the required payment ratio. The relationship led to the conclusion of one of the most effective methods for finding optimal solutions-dynamic programming method  

    Keywords: algorithm, еnergootrasl, distribution, development, function, script charts, dynamic programming

  • Histogram analysis method application for the "body movement" sleep events search.

    The paper details the application of the sleep events search algorithm based on "histograms analysis" method. The algorithm will be used for the "body movement" sleep event detection. This event search priority and actuality is caused by its close connection with other events, as will be discussed in more detail in the relevant section of the article. The main problems arising in this method usage and their solutions are described. Phased method structure is discloses, where each phase is represented as a separate item with detailed comments. A comparative analysis of the results obtained with the automatic search with pre-spaced events manually is made. Conclusion on the basis of the experiment and recommendations for further method development are made.

    Keywords:

  • SYSTEM ENGINEERING OF OPTIMAL DESIGN OF ELEMENTS OF STRUCTURAL UNITS

    Possibilities of using mathematical programming methods for obtaining optimal solutions of structural units were shown herein. Method of personal optimization based on monotonicity property of the used relations was applied as optimization algorithm. Advisability of using mathematical simulation methods when providing complex safety of construction facilities and reduction of breakdown occurrence is emphasized.

    Keywords: optimal design, mathematical simulation, complex safety, personal optimization, plate structures, risk.

  • Technique of automated control of students' knowledge on the subject "Theory of computational processes"

    Article is devoted to the organization of the control of knowledge on the subject " The theory of computational processes " in the form of automated testing . The proposed methodology of automated control organization of knowledge within the discipline described . Approaches to create a structure sets of tests to select the most appropriate forms of tests are described . Application of the test tasks open and closed forms justified. For testing was selected freeware MyTestX. Features of this program are given . Examples of test items open and closed forms are given .

    Keywords: theory of computational processes, training, automated control of knowledge, testing, test job

  • Main methods of compound details irregular optimal packing on sheet material problem solving

    The paper deals with review of main methods of compound details irregular optimal packing on sheet material problem solving. Existing methods and approaches to solve compound details irregular optimal packing on sheet material problem were descibed. The classification of such methods and approaches was proposed. The most perspective approaches to solve irregular packing problem were identified

    Keywords: cutting-packing, irregular shaped cutting, classification, methods, approaches, complex form

  • Model of technical systems management

    We consider the technical systems at the operational stage of the process and study their possible development. The generalized law of the development of technical systems as a function of its components can form the main factors influencing the evolution of the technical system and the process of their modernization.

    Keywords: the evolution of the network, structure, system, process, modification, chains, model development, dependence

  • Models of adaptive management outlining of materials in electronic courses for e-learning

    In article the description of models of adaptive management outlining the content electronic courses. Model based on the analysis of factor run content element and the factor of time interacting with the content element CEMA (classifiers events - management analyzer) for calculating an objective indicator of course studying result of user to send a learning management system (LMS). A model of the DCG (dynamic content generation) to localize errors in the develop electronic courses and to the human factor in learning process. Proposed criteria and shown one model implementation AMLM (adaptive management e-learning materials). Results of the study found use in educational institutions and commercial enterprises involved in the introduction of new technologies and improve efficiency in e-learning. Organizations interested in the development of services provided by e-learning and stimulating economic benefits will find helpful many aspects of this work for planning strategies for education and training of personnel companies-customers, students and the public. 

    Keywords: education, e-learning, Learning Management System, electronic learning course, models of adaptive management outlining of content

  • Improvement of the quality of dark images

    Main disadvantages of a dark image are considered. Alternative algorithm of improving dark images is proposed.

    Keywords: Preliminary processing, digital image analysis, digital image improvement, Gaussian noise, dark images.

  • Observability and controllability of system of stabilization of levels of the melted metal on continuous moulding of preparations machine

    The monitoring system of process of stabilization of levels of metal on continuous moulding of preparations machine, constructed useing the observer of a condition is considered. The developed nonlinear observer allows to increase the accuracy of an assessment of levels of the melted metal in the ladle with steel ,industrial ladle and crystallizers, and also makes continuous diagnostics of a condition of glasses of latches. The analysis made on the basis of linearized model, showed the observability and controllability of system on all interval of pouring.

    Keywords: Machine of continuous moulding preparations,the controllability, the observability, the observer of a condition, the level of metal

  • Engineering breakthrough in the social simulation

    In the article it is shown that the engineering professional abilities proved to be claimed, also, in the especially humanitarian divisions of the science: history, sociology, politologii, konfliktologii and other Which makes it possible to speak about the convergence of engineering methods and professional scopes of the specialists of humanitarian profile. The illustrations of the tendency of this change in the southern federal university are given. Are examined the most interesting aspects of the advance of engineering methods and tools in the humanitarian formation, in scientific studies and developments, conducted with the participation of scientists, specialists and the students of the North-Caucasian scientific center of southern federal university.

    Keywords: convergence, simulation, methodology, social simulation, information set of instruments, agent base modeling, system dynamics, the discrete- event-related models

  • Geopolitical and geocivilizational peculiarities of the Black Sea – Caspianregion in the light of the great limitrophe conception (contemporary context of the question)

    The article is devoted to the problem of the identification of the Black Sea – Caspian region as a special segment of the World Space in the postbypolar system. The Great Limitrophe conception developed by V.L. Tsymbursky and S.V. Khatuntsev is used as «the structural frame» for understanding modern peculiarities of this region. The author outlines two aspects of its identification: geopolitical and geocivilozational. He also introduces the key concept «limitroph territory» adapting it to the specific region. The key concept involves two other concepts – «shatterbelt» and «(inter)civilizational split zone». The article contains brand new facts on the Black Sea – Caspian region problem. 

    Keywords: «big political space», geopolitics, Black Sea – Caspian region, Great Limitrophe conception, limitrophe-territory, «shatterbellt», civilizational layer, «(inter)civilizational split zone».