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  • The problem of ensuring safety requirements in the construction industry

    The article presents a statistical analysis of non-compliance with safety at work over the past few years, the reasons for violation of safety rules and consequences such as industrial injuries, occupational disease and mortality in the enterprises of the Russian Federation. Based on the analysis, the most dangerous in terms of the safety industry are the companies of the construction industry.

    Keywords: labor protection, safety requirements, the company building industry, industrial injuries, occupational disease, labor protection measures, ability to work, harmful and dangerous production factors

  • Analytical dependences for the determination of a rational mode of reducing the speed forestry lorry when road restrictions

    The dependence of allowing to determine the optimal mode of reducing speed when approaching trains to areas with restrictions to ensure maximum road conditions on the average speed. The presented method will accelerate and refine the calculations in modeling the movement of logging trucks.

    Keywords: timber transport, traction calculations, traffic simulation, indicators movement, restrictions, braking

  • Software of reliability technology process of centrifugal rotary finishing-hardening treatment

    In article reviewed advanced theoretical probability models of process quality formation quality of the surface layer in a centrifugal rotary process (CSO) details. Process CSO reviewed from the point of view reliability. Based on the results of theoretical studies were proposed the dependence of the influence of the main technological parameters centrifugal rotary finishing and strengthening treatment on the roughness of the processed surface, the depth of the hardened layer and the degree of hardening. Analysis of the technology processes CSO let to identify the factors exerting a dominant influence on the productivity and quality of processing. Conducted calculations of the influence the tolerances of the main quality parameters of the surface layer and technology modes centrifugal rotary processing of centrifugal rotary treatment on the magnitude of the coefficients offset instantaneous dispersion and stock accuracy which characterize the reliability of technological processes centrifugal rotary process. By results of calculations were constructed charts. Taking the presented methodology you can choose such a combination in choosing technological processes centrifugal rotary processing what will ensure the required quality of the workpiece.

    Keywords: Reliability technology process, centrifugal rotary process, coefficients offset instantaneous dispersion, the roughness surface, the degree of hardening.

  • Multiparameter sensor pnevmomehanichesy position pneumatic actuators

    In the article the automatic drive positioner technology systems increased speed and accuracy on the basis of multi-parameter sensor rotor (MPMD). The proposed scheme, technical solution (MPMD) with improved integral evaluation of several parameters of positional displacement control objects. The generalized mathematical model of the sensor actuator position struktre. Computational experiments by the Runge-Kutta in the environment of the program Matlab-simulink are obtained depending on the basic parameters of an actuator position. When you perform a typical positional cycle The influence of the major geometric, hydraulic and thermodynamic characteristics of the expiry of the compressed air through the nozzle sensor element on its expenditure-Perepadnaya response. It is found that the maximum deviation does not exceed 5% of the reference sensor. This will improve the accuracy of parameter estimation process of positioning and formation of control actions in real space and time.

    Keywords: position pnnevmoprivod, mnogopramatrichesky pnevmomahanichesky sensor, generalized mathematical model of sensor, position cycle, sensor performance

  • Formation of array nanoparticles during electrodeposition platinum on glassy carbon and dispersed carbon support

    In the present study, platinum was electrodeposited onto rotating disc electrode coated with Vulcan XC-72R Nafion suspension and uncoated smooth glassy carbon electrode from acidic solution of 5mМ H2PtCl6. The electrochemically active surface area of platinum particles obtained was determined by cyclic voltammetry and the structural characteristic of the particles was studied by scanning electron microscopy. The impact of current and time on the electrochemically active surface area of platinum particles electrodeposited on the carbon supports was also investigated and described in this paper. The present work is expected to be utilized and contribute to the improvement of electrochemically active surface area of platinum catalysts for low temperature fuel cells.

    Keywords: galvanostatic electrodeposition, chronopotentiometric curves, chloroplatinic acid, vulcan XC-72R, fuel cells

  • Complex projects as a factor of university-production cooperation intensification

    The article shows the effectiveness of university cooperation with industrial plants in the context of joint complex projects implementation, and gives the results of patent-informational search of engineering solutions directed to the effective solid radioactive waste processing

    Keywords: nuclear industry, complex project, patent, radioactive waste, university

  • Shut-off pipeline valve’s operational indexes perfection

    The brief review of patents vectored to the increase of louvre gate in valve’s impermeability is given. The reasons of insufficient impermeability are analyzed and the main technical solutions on its increase are defined

    Keywords: impermeability, shut-off pipeline valve, gate, operational indexes

  • Waste recycling: topicality is increasing

    the article shows that recycling is being paid more and more attention in Russia and abroad, as the important factor of resource saving and solutions of ecological problem. It’s mentioned that despite the realized research and certain implementation experience, a lot of problems is still not solved. Special attention’s drawn to the acuteness of the problem of production and consumption waste recycling, the search and implementation of new sci-tech, business and also legislative solutions in this field

    Keywords: nuclear energy, production waste, recycling, solid radioactive waste, ecology.

  • The radiation exposure estimation on biological tissue under gamma irradiation

    The paper presents the results of computational statistical experiment to estimate field radiation exposure on the soft tissue of the human body when external pressures are nondivergent narrow beam of gamma photon radiation. As an example, adopted the energy of a photon that enters 102 group energy axis constant laboratory ABBN. Given dose distribution in a cylinder diameter of 20 and a length of 10 centimeters. The method of statistical tests, known as Monte Carlo. Is used modify of the method with calculation the inverse functions. It is shown that the dose outside the beam ionization radiation load decreases by two orders, remains finite, that should be considered in therapeutic procedures, in which the total dose exceeds the lethal dose for a healthy bod

    Keywords: gamma therapy, model analysis, Monte Carlo, radiation dose

  • Judicial construction examination in the Russian Federation

    The structure of judicial construction examination is presented to the Russian Federation, an example of carrying out judicial construction examination is in details reviewed, the subsequent actions after an assessment of the caused damage are shown

    Keywords: Judicial construction examination, assessment of technical condition of the building, damage assessment недвижимости

  • Nanocomposite organic-hybrid materials

    In this article is reviewed the nature of organic hybrid nanocomposites. Promising directions in the field of organic hybrid nanocomposite materials will be methods for the synthesis of multicomponent materials, as well as the type of "net net" and "host-guest". The fundamental problem with the chemistry and physics of nanocomposites is dependent "structure-property". Solving this problem will move from research materials to their purposeful design.

    Keywords: nanocomposite sol-gel technology, synthesis, nanoparticles.

  • Finite element analysis of the applicability of the applied theories of calculation of piezoelectric device of energy storage of stack configuration

    This paper considers basic element of device of energy storage which is a piezoelectric generator (PEG) of cylindrical form with the attached inertial mass. A finite element modeling of the device operation is carried out during active load in the external circuit. The main purpose of the operation is to compare the output potential and frequency characteristics of the device known in the literature models of systems with concentrated parameters. On the basis of these models, we can receive the analytical dependence of parameters of PEG with its geometric characteristics and mechanical properties of the used materials. However, the question of the range of applicability of these formulas is still open. In this paper, based on the numerical analysis of finite element models of PEG in package ANSYS, we obtained comparison with the analytical formulas that show the values of some parameters of simplified models and set the boundaries of their applicability.

    Keywords: energy storage, PEG, piezoceramics, effective mass, resonant frequency, FEM

  • Way of coding of the information at the task of the geometrical Models of executive mechanisms of robots

    The method of coding of the geometrical information is offered at the task of executive mechanisms on the basis of use of the set set of spatial primitive things and their orientation in mobile systems of co-ordinates. The method of a designation of geometrical models of mechanisms of robots is offered. One of advantages of the developed method of representation of geometrical models of kinematic chains, possibility of more exact task of a spatial configuration of manipulators by means of use of a considerable quantity of central points and various position of volume primitive things concerning a constructive plane is.

    Keywords: Mechanisms of manipulators, geometrical models, virtual modelling of movements of robots

  • Simulation and method of classification of technical condition of the high-voltage mekhatronics modules

    Simulation and method of classification of technical condition high-voltage the mekhatronics of modules of the movement, allowing by results of control of electrodigit activity and skrednekvadratichesky value of vibrospeed are presented, to refer current state of object to one of classes of diagnoses

    Keywords: High-voltage mekhatronics module, fuzzy-model of classification of technical condition, electrodigital activity, vibrospeed

  • Calculation of the economic effect of the use of RDF as an alternative fuel for the cement industry

    The article is described the environmental and economic feasibility of the use of fossil fuels on RDF. The opportunity of introduction of alternative fuels, as an essential part of maintaining a balance of market equilibrium in the competitiveness of the products of the company "Sebryakovcement". The calculation of potential possibilities of processing of waste RDF as a necessary component to maintain the balance of market equilibrium and competitiveness of enterprise "Sebryakovcement." Calculation of the potential waste in RDF

    Keywords: alternative fuels, municipal solid waste (MSW), RDF, cement industry, environmental safety.