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2016 3

Main subjects

  • Life safety on transport

  • Development, exploitation and maintenance of the rolling stock

  • Industrial engineering on transport

  • Issues of power supply on railway transport

  • The economic aspects of transport complex functioning

  • Problems of reliability and efficiency of transport systems functioning

  • Issues of automation, information and communication on transport

  • Modelling of transport processes

  • Transport building

  

Abstracts

V.K. Musaev, A.M. Zavyalov, V.G. Merzlyakov, V.A. Aksyonov, S.A. Khachatryan
Mathematical modeling of the problem of propagation of the plane longitudinal wave in the form of a triangular pulse in the elastic half-plane

The problem of the action of the plane longitudinal wave in the form of a triangular pulse on the elastic half-plane is considered. The linear wave equations of mechanics of deformed rigid body are applied to solve this problem . The results of the numerical procedure correspond to physical reliability and mathematical truth.
Key words: wave equation, procedure, algorithm, program system, fundamental unknown, displacement, acceleration

V.M. Ponomaryov, T.N. Rogova
Scientific fundamentals of efficiency testing of local exhaust ventilation devices

The efficiency testing of local exhaust ventilation devices by the system components (the local suction and the entire system with cleaning devices) is carried out.
Key words: industrial ventilation, sanitary efficiency, normal microclimate

V.K. Musaev, O.S. Yudaeva, L.E. Shvartsburg, V.A. Aksyonov, S.A. Khachatryan
On the influence of geodynamic processes on emergency situations of anthropogenic nature

The investigation problems of the nature of anthropogenic disasters arising in the scope of subsoil use as a result of modern geodynamic processes are considered.
Key words: geodynamics, emergency situations, process, terminology, Earth's crust, emergency, disaster

A.V. Matesheva
Identification of stationary sources of air pollution on transport

The methodical approach to the identification of stationary sources of air pollution on transport is provided. The results of numerical experiments on the determination of emissions from an air pollution source for city conditions are given. The questions of identification accuracy of emissions are examined.
Key words: air pollution, transport, identification of emissions, pollution source, monitoring

V.K. Musaev, O.S. Yudaeva, L.E. Shvartsburg, V.A. Aksyonov, S.A. Khachatryan
On the priorities in the safety assessment of potentially hazardous objects

The priority problem in the safety assessment of potentially hazardous objects is considered. The scientific basis of risk analysis existing in the country doesn't meet to requirements of community development though there is the potential to put into practice the specific projects connected with risk analysis.
Key words: assessment, priority, safety, hazardous object, economic development, environment

A.S. Kosmodamiansky, V.I. Vorobyov, A.A. Pugachyov
Determination of resistance and temperature of the stator winding of the asynchronous motor by the constant component of current

The abstract of methods of determination and measurement of resistance and temperature of windings of traction asynchronous motors is provided. The method based on the periodic introduction of the constant component of current is considered. The application of this method in the traction electric drive with vector control system taking into account the imperfection of power keys of the voltage inverter is offered and analysed. The simulation results are given.
Key words: asynchronous motor, superheating, active resistance, constant component, vector control

A.N. Shabel'nikov, E.G. Shepilova
Acceptance for employment and appointment of managers and specialists of railway transport on the basis of assessment of their competences

Some concepts and terms of the standard of assessment of competences of a project manager are specified and regulated. The role of the formalized assessment procedures of competence of specialists is described, and the choice of the appropriate mechanism of assessment of competences is performed.
Key words: railway sector, project organization, competences, standard

L.P. Zatorskaya
Assessment of use feasibility of blocking of unauthorized shutdown of the contact network section of direct current

The passage process of the energized train on branches of the isolating air gap of traction network of direct current is researched. The reasons of shutdown of the traction network branch where the train is bound are determined. The use feasibility of blocking of unauthorized shutdowns of the RDS(M) traction network branch is specified. The affordability assessment of RDS(M) use and the payback period calculating for the given number of accidents per annum are executed.
Key words: contact network, blocking circuit, relay differential shunt, payback period, affordability

K.M. Lyul'chev, L.V. Shkurina, E.A. Maskaeva
Trend analysis of exchange differences and their impact on resource efficiency of transport business

The questions of change in the exchange rate and its impact on financial effect of the company activities are examined. The methods of control system perfection by exchange differences under agreements denominated in foreign currency are offered.
Key words: exchange differences, foreign currency

I.N. Markin
Strategy of operation and organization of maintenance and repair system of complex technical systems

The strategy of operation and organization of maintenance and repair of complex technical systems are described. The comparison of strategies is carried out. The principles the strategy of operation of complex technique should correspond are defined.
Key words: maintenance, operation efficiency, repair cycle

V.K. Musaev, O.S. Yudaeva, L.E. Shvartsburg, V.A. Aksyonov, S.A. Khachatryan
Risk analysis for safety assessment of complex technical systems

The risk assessment methods provide the indispensable conditions for a formulation of quantitative criteria using in case of control for the purpose of mitigation of the consequences of emergency situations: decrease of public risk caused by anthropogenic, natural and natural and anthropogenic sources of emergency situations.
Key words: analysis, risk, safety, complex technical system, risk management, risk criteria

L.V. Pankratov
Dynamics of processes in the PI controller

The block diagram of the proportional-integral controller is provided. The frequency and timing characteristics are considered. The functional ratios between parameters of links of the controller (the theoretical basis of the design of automatic control systems) are received. The optimization of the controller structure is executed for identical signal converters.
Key words: PI controller, dynamics of processes in the linear automatic control system

O.N. Romashkova, I.L. Popov
Methods of support of operability of mobile radio communication networks in the conditions of emergency situations on railway transport

The analysis of methods of support of operability of mobile radio communication networks on the basis of GSM/UMTS/WCDMA technologies is made. The estimation methods of operability indices in the conditions of emergency situation on railway transport are given. The results of analytical calculation of configuration settings of the cellular network cluster in the conditions of destruction d of its elements are provided. The preventive methods of support of operability are shown.
Key words: operability, safety, emergency situation, cellular networks of communication, stability, congestion

K.N. Solomonov, N.V. Stoyanova, N.I. Fedorinin
Improvement of simulation algorithm of metal flow during stamping blanks used in transport engineering

The increase measures of technological effectiveness of production of the details used in transport engineering are considered. The approaches to the development of the bundled software intended for calculation of process quality of bulk stamping (forging) and modeling of plastic forming of plate work pieces are described. The algorithm of creation of the boundary line of metal flow for a piecewise and nonlinear contour is given.
Key words: transport systems, program complex, metal forming, boundary line of metal flow

T.A. Iskakov
Behavior model of different client groups in the control system of the traffic centre

The behavior model of different client groups in the territory of the traffic centre is considered. The experiments allowing to receive indicators of quality of the control system of the traffic centre are made. The questions of preparation and the organization of cultural events are raised.
Key words: simulation modeling, foot traffic, cultural event, systems of mass servicing, metro, AnyLogic

P.A. Kozlov, S.P. Vakulenko
Calculation of concerted modes of locomotive turnover and maintenance

The concerted calculation of two processes (turnover of locomotives and process of their maintenance) is described. The turnover is calculated with the help of the Labirint system, and the organization of maintenance with the dynamic transport problem. Service programs link in a single whole these processes. The model of the concerted supply of locomotives to maintenance points is offered.
Key words: locomotive turnover, optimization, dynamic transport problem, maintenance

A.Yu. Cheban, N.P. Khrunina
Improvement of elements of the combined open pit transport

The constructions of trans-shipping open pit points are analysed. The construction of the mobile trans-shipping point equipped with two receiving bunkers for operation with automobile and conveyor or automobile and railway open pit transport is offered.
Key words: open-cast, open pit transport, loading cranes, dump trucks, conveyors