In article the way of definition of a technical condition of the household refrigerating device providing its simplification, raising reliability and autonomy of process of an estimation of its technical condition is presented .

Keywords: The household refrigerating device, a technical condition, an estimation

"The mechanical properties of the rubber-cord composite in strengh analysis are described. There is an algorithm of the numerical estimation of the effective (average) properties of the rubber-cord. The effective properties are defined by the successive application of different deformations to the representative volume of the rubber-cord composite (tensions along each coordinate axis and shifts in each cooridinate planes). The effective properties are defined in form of the generalized Hooke's law (for anisotropic materials). A serias of computations in estimatition of the effective properties of double-layer rubber-cord composite was carried out based on the proposed algorithm. The dependence of the effective elastic modules of rubber-cord on the angle of cord was explored. The according graphs are represented in the article."

Keywords: theory of elasticity, effective properties, strength analysis, rubber-cord, numerical modeling, finite element method, CAE FIDESYS

Piezoelectric ceramics on the basis of the phase of (1-x) PbTiO3-xPbZrO3 is the basis of most high-performance piezoelectric materials. Electrophysical and mechanical properties of these materials can vary widely in different ways. Traditional methods include changes in composition within the morphotropic region and doping. Now is the study of the influence of topical makrolegirovaniya the material properties of the PZT system. As a model system was selected phase of the PZT system, the compositions of which MO belong, one of which contains a dopant in the sublattice (A) and another - in the sublattice dopants (B). The studies established that one of the effective ways of varying the parameters piezomaterials may be the formation of solid solutions on the basis of two or more piezoelectric phases having different combinations of electrical parameters  

Keywords: Piezoelectric ceramics, doping, kombinorovanie, pezofaza, piezo

The article describes the experience of the device of pile foundations under the multi-storey building in difficult engineering-geological conditions in Rostov-on-don

Keywords: Drilling piles, test, conductor pipe, sandconcrete, foundation

Problems of theoretical issues of adaptation economic mechanism forming are considered. The theoretical justification for the functioning of the economic mechanism of adaptation through the use of the basic principles of adaptation and adaptive enterprise, the conceptual foundations of adaptive accounting and control systems functioning, engineering methodologies of adaptive accounting and adaptive engineering tools is held. Using the principles of adaptation is considered from the point of view of the organization and methodology of adaptive accounting. We consider the nature, value and feasibility of a systematic, comprehensive and situational approaches to adaptive accounting, information-dimensional approach to accounting. The engineering methodology maintenance of the adaptive accounting on the basis of the evolutionary-adaptive balance theory positions is shown. Attention is also given to the substantiation of the structured plans of accounts adaptive evolution using possibilities. The basic idea of adaptive engineering tools using is to ensure the integration capabilities of adaptive accounting system based on their integration into the structure of the plan of accounts. The structural elements of the economic mechanism of adaptive change management based on an alternative choice and a multiplicity of solutions are identified. Attention is given to the interpretation and implementation of the adaptive accounting results.

Keywords: adaptive management, adaptive enterprise, economic mechanism of adaptation, adaptation principles, evolutionary-adaptive balance theory, adaptive accounting, adaptive architecture model, structured plan of accounts, adaptive engineering tools, derivative

Consider the use of management system of heating and ventilation plants in greenhouses, uniform distribution of heat and humidity in the area of biological objects, the use of an improved system of management regimes of the microclimate in the protected ground on the basis of programmable smart relays

Keywords: power consumption, temperature-humidity conditions, microclimate

The article provides an example evaluation of the technical condition of building and handling machines in terms of corrosion resistance. Using functional method of determining the weights estimated sufficiency compositions anticorrosion treatment building and handling machines.

Keywords: The sufficiency condition, the generalized criterion, a metric multiplicative convolution operator on the set of individual criteria

Defined criteria for identification of defect parameters, on the basis of the analysis of the different modes of own fluctuations, with the use of finite element modal calculation console corpulent model of a rod with a single defect. Developed finite element model of a universal complex . Considered corpulent (3-d) model on the basis of 3D finite element Solid92. When solving the problem considered on 26 oscillation modes depending on the size of the defect and its location.

Keywords: Damaged, defective, swing, cantilever, frequency

The task of identification of defects in rods with different variants of fastening. In the basis of lies method parameter identification based on an analysis of the frequencies and parameters of natural modes of the structure. Built model of the rod design has defects fluctuations, using finite element of the complex 

Keywords: Defect, damage, rod, the oscillations of the cantilever rod

The possibilities of waveguide elements realization in the structure of multilayered integrated chips of centimeter and millimeter ranges with SIW (Substrate Integrated Waveguide)-technology application are considered. The approaches allowing effectively using in new structures the algorithms and techniques of the electrodynamic analysis and synthesis of passive devices on classical all-metal waveguides are offered. Advantages of use in SIW structure the waveguides of complex cross-section are considered on the example of the microwave band-pass filter.

Keywords: A.A. Gadzieva, V.V. Zemlyakov, S.V. Krutiev

The article describes the main problems of circuit simulation. The problem of solving ill-conditioned systems of linear algebraic equations (SLAE) of large dimension. The modified algorithm is a linear algebraic solutions. Described a hybrid evolutionary algorithm for solving linear systems based on the proposed modified method. The results of the pilot study and comparison of the algorithm with the algorithms based on the traditional methods for solving linear algebraic equation, which confirm the advantages of the hybrid evolutionary algorithm.

Keywords: Genetic operators, evolutionary algorithm, the system of linear algebraic equations, computer-aided design.

  The article analyzes the structure of automated environmental monitoring in Russia and proposed the concept of setting up such a system in the city with advanced industrial and transport infrastructure.

Keywords: Automated systems for environmental monitoring

The establishment of automated air monitoring systems is a promising way of the air monitoring devices development. The comparative analysis of literature has shown that thin films based on semiconductor metal oxides are effective and widely used material for air monitoring systems creation. In order to create effective and more sensitive sensors it is important to research processes that occur on the surface of the gas sensitive material when it contacts with different substances. The processes that proceed on the surface of gas sensitive material based on SiO2SnOxCuOy during the interaction with molecules of nitrogen dioxide. Quantum chemical calculations have shown that there are three possible mechanisms of interaction between the molecules of nitrogen dioxide with a surface of gas sensitive material.

Keywords: multitouch system of the monitoring, gas-sensitive material, molecules of dioxide of nitrogen

  The problem of air quality control is relevant at the present time. There are a lot of different devices and methods of air monitoring. The promising devices for air monitoring are automated air monitoring systems functioning in real time regime. The basic part of such system is a chemical gas sensor. Gas sensors can be combined into the arrays or so called multisensory systems to increase their effectiveness. Sensor arrays using semiconductor sensors based on SiO2CuOx, SiO2SnOxCuOy, SnOxZrOy, silver-polyacrylonitrile thin films made at department of chemistry and ecology have been investigated in this work. As a result of sensors signals processing gas recognition technique has been developed. The recognition of ammonia, nitrogen dioxide, chlorine has been made.

Keywords: monitoring, massifs of sensors, semiconductor sensors of gases

  This paper is devoted to development of gas sensors air control. It is shown that copper oxides are the promising materials for high sensitive sensors. The CuOx film material was syntheses by means of citrate sol-gel technique. The sensors fabricated on the basis of CuOx film material were sensitive to ammonia gas in the range of 25-150 ppm. Working temperature was determined as 180 °C. Such sensors can be used for work area air control of industrial enterprises.

Keywords: gas-sensitive element, atmospheric air, sensors, copper oxides