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Modern Technique and Technologies, 2005. MTT 2005. 11th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists

Date 21-27 March 2005

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Displaying Results 1 - 25 of 123
  • [Cover]

    Publication Year: 2005 , Page(s): C1
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  • Proceedings of the 11th International Scientific and Practical Conference of Students, Post-graduates and Young Scientists

    Publication Year: 2005 , Page(s): 1
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  • [Copyright notice]

    Publication Year: 2005 , Page(s): 2
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  • Conference Scientific Program Committee

    Publication Year: 2005 , Page(s): 3
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  • Table of contents

    Publication Year: 2005 , Page(s): 4 - 11
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  • [Breaker page]

    Publication Year: 2005 , Page(s): 13
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  • Improvement of Railway Power Supplying Devices Diagnostics

    Publication Year: 2005 , Page(s): 14 - 15
    Request Permissions | Click to expandAbstract | PDF file iconPDF (831 KB) |  | HTML iconHTML  

    Nowadays there exists problem of railway power supplying devices diagnostics, especially for Sverdlovsk railway. Sverdlovsk railway is situated at regions with different climate and level of pollution, so exploitation conditions of railway supplying devices at the Urals are hard for insulation in comparison with other regions of Russia. Insulation failure is one of the most cause of power supplyin... View full abstract»

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  • Investigation of Energy Consumption Duties and Compatibility of Electric Energy Quality Indices with the Established Requirements in Distribution Electric Networks of Compressor Stations of the Gas Complex

    Publication Year: 2005 , Page(s): 16 - 17
    Request Permissions | Click to expandAbstract | PDF file iconPDF (387 KB) |  | HTML iconHTML  

    Energy consumption duties and compatibility of electric energy quality indices with the established requirements in distribution electric networks of compressor stations of the gas complex investigation is discussed in this paper. View full abstract»

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  • Methods of Diagnostic of Grounding Systems of Power Objects

    Publication Year: 2005 , Page(s): 17 - 19
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  • The Analyses of Power Quality Problems and Ways of Feasible Solutions

    Publication Year: 2005 , Page(s): 19 - 21
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1077 KB) |  | HTML iconHTML  

    The problems of quality power have become to attract growing interest of specialists' assembling, attendance, repair of electrical devices during last years. At present installations and devices using in commercial and industrial enterprises, such as computers, electronic instruments and automatic equipments are sensitive to different troubles of power supply. Quantity of distortions in circuits' ... View full abstract»

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  • Dataware of Simulating Equipment Composition Influence on Electric Energy Quality of Railway Transport Enterprises

    Publication Year: 2005 , Page(s): 21 - 23
    Request Permissions | Click to expandAbstract | PDF file iconPDF (905 KB) |  | HTML iconHTML  

    With due regard for external network influence the composition of installed electrical equipment determines harmonic composition of voltage in the supply unit. While changing the composition of electric equipment one should expect the quality change of electric energy (EQ) in the supply unit, non-sinusoidal parameters of the duty included. It is connected with the fact that each type of electric r... View full abstract»

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  • [Breaker page]

    Publication Year: 2005 , Page(s): 25
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  • The Diagram of Thermostating Control System of Well Devices

    Publication Year: 2005 , Page(s): 26 - 27
    Request Permissions | Click to expandAbstract | PDF file iconPDF (332 KB) |  | HTML iconHTML  

    The authors of the paper showed that effective ways of solving the problem of thermostating regulation of well technique units are using actual system comprising both the heater and the cooler. In this case for providing proportional law of control at close range of temperature stating system and decreasing heat release in electronic diagram it is proposed to apply pulse-duration modulation (PDM).... View full abstract»

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  • Problems of Mathematical Simulation of Thermostating System of Well Equipment

    Publication Year: 2005 , Page(s): 27 - 29
    Request Permissions | Click to expandAbstract | PDF file iconPDF (483 KB) |  | HTML iconHTML  

    Elaborating gyroscopic well systems of orientation by the fact that precision gyro sensors, as a rule, provide necessary accuracy only under the conditions of thermostating with the error which does not exceed grade fraction is complicated. It should be taken into account that well device operation at its descent lifting in the well environmental temperature changes continuously. For the object un... View full abstract»

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  • Distibuted System of Automated Temperature Control in Industrial Premices and Residensial Dwelling Houses

    Publication Year: 2005 , Page(s): 29 - 31
    Request Permissions | Click to expandAbstract | PDF file iconPDF (987 KB) |  | HTML iconHTML  

    Distributed system of temperature control in dwelling houses and industrial premices as well as thermal energy account are considered in the given paper. View full abstract»

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  • Line Production Controller for Estimation of Properties of Sheet Steel Rolled Stock

    Publication Year: 2005 , Page(s): 31 - 32
    Request Permissions | Click to expandAbstract | PDF file iconPDF (850 KB) |  | HTML iconHTML  

    Magnetic methods and means of indestructive control are widely applied in metallurgy replacing or adding traditional destructive ways of metal properties estimation. Rolled stock installations are more effective, 100% control of production quality is provided with them. There are estimation methods of sheet steel using statistic connection of metal properties with its magnetic characteristics. Lin... View full abstract»

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  • The Principle of Measuring Differential Thermo EMF in the Device "Thermotest"

    Publication Year: 2005 , Page(s): 33 - 34
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    For mass sorting out of articles according to steel types the possibility of thermo-emf control in a certain range is provided. For this purpose comparator CI with controlled threshold of wearing is used in the diagram. View full abstract»

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  • Metal and Alloy Monitoring by Thermoelectromotive Measuring Method

    Publication Year: 2005 , Page(s): 34 - 35
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1235 KB) |  | HTML iconHTML  

    "Termotest" is a new device developed for nondestructive control, where thermal electromotive force method is used. Functioning of a circuit is based on the fundamental property of electrical thermometry: "Electromotive force of a circuit, consisting of several different conductors, depends only on the temperature of soldered joints and doesn't depend on thermal gradient along conductors". View full abstract»

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  • Enhansement of Logs Measuring Method

    Publication Year: 2005 , Page(s): 35 - 37
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1981 KB) |  | HTML iconHTML  

    The most abundant photoelectric measuring equipments for the automatic count of arboreal raw allow to institute one (vertical) diameter of a log. There are more composite and expensive installations accepting the measure of two diameters of a log in orthogonally related directions. The development of such scanners was encompassed, primarily, in augmentation of resolving power and speed of measurin... View full abstract»

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  • Theoretical Ground of Possibility of Elimination of Gyroscope with Displaced Mass Center Vibration Deviation

    Publication Year: 2005 , Page(s): 37 - 38
    Request Permissions | Click to expandAbstract | PDF file iconPDF (766 KB) |  | HTML iconHTML  

    This paper presents research method of the dynamics of gyro with displaced mass center placed on vibration. The analysis was based on differential equations with constant coefficients. As the result possibility of technical realization of reduce of gyro drift in working (dynamic) conditions was suggested. View full abstract»

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  • Experimental Checking the Result of Simulation of Series Resonant Invertor

    Publication Year: 2005 , Page(s): 38 - 39
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    The aim of the work is estimation of simulation adequacy of transients in a series resonance inverter - frequency converter for induction heating. View full abstract»

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  • Realization of Digital Filters on PIC - Microcontrollers

    Publication Year: 2005 , Page(s): 40 - 41
    Request Permissions | Click to expandAbstract | PDF file iconPDF (331 KB) |  | HTML iconHTML  

    Filtration is one of the first operations of processing of signals realized in the digital form. Advantage of digital filters (DF) are obvious first of all because of their high adaptability to manufacture, stability of parameters and low cost at a batch production. The purpose of the present work is to research an opportunity of realization of DF on microcontroller PIC16F877 and an estimation of ... View full abstract»

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  • Ultrasound Method

    Publication Year: 2005 , Page(s): 41 - 42
    Request Permissions | Click to expandAbstract | PDF file iconPDF (319 KB) |  | HTML iconHTML  

    One of the main stages of production process in manufacturing articles is thermic processing. Quality control of thermal processing consists in hardness measurement. For hardness measurement methods of Brinnel (SS 9012 - 50), Rockwell (SS 9013 - 59), Vikkers (SS 9013 - 59) et al are used. They are based on different methods of static and dynamic effect on the surface of the tested body that is met... View full abstract»

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  • Instrument for Measuring Illumination of Road Surfacing

    Publication Year: 2005 , Page(s): 42 - 44
    Request Permissions | Click to expandAbstract | PDF file iconPDF (543 KB) |  | HTML iconHTML  

    For maintaining the required illumination level of town streets and roads one needs periodically and efficiently control the situation. For this purpose portable instrument developed at the department of organization of traffic movement and motor car transportation of East-Kazakhstan State Technical University after D. Serikov may be used. As a sensor of illumination the photo cell possessing smal... View full abstract»

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  • Ways of Gas Discharge Converters Image Enhancement

    Publication Year: 2005 , Page(s): 44 - 46
    Request Permissions | Click to expandAbstract | PDF file iconPDF (565 KB) |  | HTML iconHTML  

    The design factors of gas discharge converters influencing its resolution are considered. Methods and new constructive decisions, which will allow to increase resolution more than 2 times greater, are offered. For registration of pulse visual images industrial CCD cameras may be use. It allows receiving images at doses of irradiation within the limits of 50 microroentgen. View full abstract»

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