Vol 6, No 1 (2012)

The authors developed and presented methods for calculating of threaded joints under dynamic (cyclic and impact) load applied along the planes parallel to the joint, considering energy dissipation for structural damping when installing the bolts with a gap and without gap.

This article deals with the specificity, design features, operational costs for special equipment and stochastic optimization models for spare parts and special equipment supply for Ural vehicles.

The paper deals with the most important problems of the theory of wheeled and tracked vehicles, associated with the concepts of controllability, observability and vehicle stability. There are fundamental theoretical research on direct estimations of dynamic properties of an object, but the current level of reflection requires a systemic approach to solving those problems, and deal with the theoretical studies.

The authors considered the method for improving the stability and controllability of two-section truck to optimize the design parameters by the minimax method. Optimality criteria are the tractor vehicle steering speed at straight-line motion and lateral acceleration of the trailer for the curvilinear motion. The calculations were performed using the spatial scheme, the coefficients of wheel slipper resistance and the trailer drawbar length, mass ratio for trailer and vehicle, location of cargo in the trailer.

This paper describes how to improve the construction of the splitter of valve of air exchange system on vehicles. To optimize the operation of the valve at G = 2000 kg / h, ДP = 0,36 kg/cm2 were designed several constructions of the splitter. The paper presents two options for modifications of the splitter of valve with the best results of acoustic calculations.

The article describes issues of simulation of ABS and traction-control system based on developed quasi-spatial simulation vehicle model, which corresponds to experimental four-wheel-drive vehicle with individual electric wheels.

The paper describes the ways for creation of hardware and software for automated multi-parameter optimization of internal combustion engines control, operating on the quasi-stationary modes as a part of a vehicle, in order to reduce toxicity and improve fuel economy. The authors denote the choice of method for solving the problem and main results.

The article considers the possibility of usage of alternative fuels based on hydrogen. The authors performed the analysis of the advantages and problems of hydrogen fuel usage, and considered the concept of an engine with direct injection of hydrogen into the cylinder, efficiency and environmental friendliness.

In article quality and reliability of systems of an electrical supply of independent objects is considered. Quality of the electric power which various infringements and distortions of the form of feeding pressure influence first of all concerns concept of quality. We will especially notice that the electrical supply depends on quality of the electric power and reliability of an electrical supply, according to the developed technical practice, the basic means of maintenance of reliability and quality of an electrical supply are sources of an uninterrupted food and the best indicators of reliability of an electrical supply it is possible to receive, using reserved systems with architecture «a power file».Keywords: hybrid vehicle, electro-mechanical complex, electrical converter, stop-start system, regenerative braking, finite element method, thermal process, electromagnetic process, starter-generator unit, rotor, stator.

The conducted analysis of methods of reception of fuels and energy from organic raw materials allows to make a conclusion that application of plasma converters provides rupture of intermolecular communications of hydrocarbonic raw materials by fast pyrolysis of initial components with the subsequent synthesis of the new substances differing by physical and chemical properties from the initial.

Tha paper contains the proposals on the organization of the development and deployment of intelligent transportation systems. Rational directions of creation of telematic transport systems are justified: development of system architecture, invariant to functional tasks, and the development of components, ensuring the solution of specific functional tasks.

The papers presents the algorithm of computer program for calculation of the coefficients used in calculating dimension chains regarding the chosen theoretical law for approximation of the empirical curve.

The article deals with mechanical properties of powder materials after multicomponent diffusion saturation of Cr, Ni and Mo.

The article is devoted to the promising area of design tools to improve the quality of internal threads shaping under planetary processing on CNC machines.

The article highlights the problems arising during processing of parts with a complex contoured profile. There are considered all the stages of formation of the geometrical image of the machine with variable elements. The authors formed a complex of 3D-geometric models of Finc Tech SMV-450-H3 milling machining center, which allows to quickly edit the components without changing the overall structure of the model.

Investigation of the fine structure of infrasound and electromagnetic fields (the spatial distribution of amplitude and energy parameters) in a confined space will solve fundamentally new problems to reduce the negative effects of these fields on humans.

On the basis of the developed innovative methods of environmental planning and determination of physical-mechanical characteristics of cast structures (patent No. 2431819 of 20.10.2011 Bull. № 29), first obtained the structures with the specified physical and mechanical characteristics, ensuring minimal negative impact on the environment in the life cycle.

This paper presents an algorithm for the calculation of the coefficient (index) of friction at compression of the ring in hot deformation. The calculation considered the temperature-speed parameters of hot deformation: temperature of the workpiece, temperature of dies, the thermophysical properties of material of a workpiece and a die, parameters of equipment. Calculated curves for μ = μ (r). The authors give the comparative results of calculations and experiments on compression of ring samples in hot conditions.

The article describes the technology of metal finishing by surface-plastic deformation to improve the quality of the surface layer. The authors conducted the analysis of the mutual compatibility of geometrical and physical-mechanical characteristics of the surface after ultrasonic machining and gave practical advice on quality management of received products.

The article presents the results of the study and detailed analysis of the dependence of accuracy of the shape of outer ring groove of the double-row roller bearing of adjustment parameters during grinding by cup circles for incision.

The paper considers an approximate analytical method of solution of the problem on contact interaction of the two-layer flexible coating of a solid cylinder with another solid cylinder (without coating). The method is based on the assumption that contact pressures vary by cosine law and geometric conditions of the contact comply in three points of contact area.

The stability of a rectangular plate of variable thickness, being in a supersonic flow of gas, was investigated by application of the linear piston theory. The critical velocity of the gas flow was calculated. The problem of thickness distribution optimization was solved.

The article is devoted to the features of process of enhancement of management by industrial enterprises. Problems of development of management system and approaches to the decision of these problems are considered.

This article examines innovative activity of industrial corporations and their role in the emergence of the market of new products and technologies, its place in the innovation business.

The strategic perspective of domestic machine-building is difficult to predict in terms of the transition state of the economy, as well as in moments of crisis turmoil at the global economic space.

Issues of market formation and development of automotive components are extensive and require constant attention in order to find fundamental solutions. The article describes the main ways of forming the market for automotive components, measures needed to create competitive suppliers.

Machine industry is a unique industry in Russia. Transition to innovative economy in the Russian Federation requires the combined efforts of government and business, taking into account specificity of each region. One of the most important areas of solving innovation economy problem is the creation of innovation clusters, realizing the competitive potential of the region.

The article describes the main aspects of enterprise management industry, the questionof the formation and development of marketing as an independent branch. Definedmarketing approach of enterprise management industry.

In article typical problems characteristic for development and promotion of a quality innovative project in Russia are considered.

The article examines applied organizational and economic mechanisms of state control of technical and technological progress, innovation in the making of a market economy in Russia. The authors presented the description of the unsolved problems of innovative development. Program strategy outlined the impact of government on the formation of innovative policy of the Russian economy.

The article presents a description of modern system of professional training in Russia. The system is now under reforms and is characterized by a number of contradictions, which is typical of any dynamically developing field.

In this article the concept of competence in higher vocational education is explained and the most important issues in the field of competence-based education are discussed. In particular, the problems of professional communicative competence in foreign language training of the students are analyzed.

The article considers the question of training of a competitive engineer. Examined are the features of formation of students' necessary qualities. Individual style of activity of the teacher represents dynamic and constantly updated system of ways of the pedagogical activity, providing optimal interaction of a teacher and a student.