S.P. Vakulenko, E.B., Kulikova, O.N. Madyar
The authors consider the forecasting problem of the population demand for transportation services for the purpose of their maximum satisfaction and the effectiveness increase of rolling stock in the conditions of the rapid development of transport networks in growing agglomerations.
E.P. Korolkov, O.V. Druzhinina, T.A. Frolova, M.E. Bulatnikova
The mathematical model of transverse vibrations of a wheel pair is considered. This model is adapted to the curvilinear profile of the roll surface of the wheel described by the second-order multinomial. The obtained mathematical model takes into account the restoring (gravitational) force. Taking into account the dependence of restoring force from the coefficient of the equation squared term of the profile the authors investigate the transverse motion stability of the wheel pair.
N.L. Borisova, A.A. Loktev
This study is devoted to the construction of the process model of the transverse surface crack extension on the surface of the head or base of the rail. The research results will allow pinpointing the acute defective and defective rails, it is important with increasing of the rolling stock speeds and the axle weight increment.
N.E. Razinkin, N.I. Voronova, Ya. D. Podlesnikov
Developing the design of freight cars for high-speed transportation it is necessary to pay great attention to the brake system choice as the increase in traffic speeds requires an appropriate braking effect, its implementation involves several problems.
A.V. Gorelik, N.V. Bugreev, V.S. Dorokhov
The basic production planning principles of automation and telemechanics sector of JSC "Russian Railways" are considered. The authors offer to consider a statistical estimate of time reserve of for the operations not included in annual and four-week schedules of signalling, interlocking and block system sections.
The design of the pads with a cushion made with different technologies are considered. The stressed state analysis and the strength assessment of the pad with a cushion made with welding technology and solid. As a result, further directions to improve the strength and operating characteristics, and the optimal design of the pad with a cushion are determined.
A.S. Kosmodamiansky, N.N. Strekalov, V.I. Vorobiov, A.A. Pugachev
The system of scalar control of the asynchronous engine is developed. This system provides the minimization of the stator current by introducing the control loop of the power factor. A mathematical model of an asynchronous engine with iron loss is presented. The simulated results in Matlab are shown.
The system of assessment, control and regulation of the rail cant in the track is substantiated.
V.I. Apattsev, N.V. Erlikh, A.V. Erlikh
The authors consider the problem of guaranteed freight delivery for freight owners with the reduction of the car turnover time. It is offered for the freight owner to develop the shipping program of finished goods on the basis of diary scheduling, and for the enterprises of industrial railway transport - the schedule of own train formation taking into account technological operations of non-public railway tracks and technical feasibility of JSC "Russian Railways" infrastructure.
V.A. Bugreev, A.F. Kharchenko
The authors consider the operation features of overvoltage limiters connected to the contact network through horn arresters, shunted by copper wires. It is shown that the wires can be destroyed by electrodynamic forces from the induced overvoltage. The damage of the shunting wires leads to deterioration of the protective properties of the overvoltage limiters from overvoltage of subsequent lightning components.
D.G. Evseev, A.V. Baryshnikov
The application expediency of energy absorption devices is estimated on the basis of mathematical analysis of the impact process. The authors of the article propose a method for determining the velocity range when it is advisable to use energy absorption devices based on multiple-factor analysis of independent variables.
L.V. Shkurina, E.V. Struchkova
The article is devoted to the issues of effectiveness increase of production operation of railway transport on the basis of the introduction of modern tools of labour organization and measurement. The innovative foundations of the organization are considered. The predictive model of scientific labour organization and measurement on railway transport is developed.
L.N. Ivankova, A.V. Burakova
The features of designing a complex of devices for bulk cargo handling in ports are considered. The authors propose the new track development schemes of port and port approach railway stations providing a compact location and a large capacity, as well as placement options of unloading devices for cargo transshipment.
A.S. Alatyreva, V.Yu. Gorelik, P.V. Savchenko
The authors consider the model for the statistical estimation of laboriousness indicators, cost and safety of certain technological operations, as well as the process efficiency estimation of microprocessor-based centralization designing of railway automation. It is proposed to estimate the quality of the design process by functional networking of the design process on the basis of a generalized structural method.
The prospective interval control system of train operation with application of axle counting sensors is considered. The main point of the determination method of train operation parameters is presented, the block diagram of this system is presented.
D.V. Klimova, D.L. Rayenok, E.A. Sorokina, V.I. Apattsev, P.F. Bestemyanov
The principles of the labour safety system improvement are considered. The existence of a monitoring system is to ensure the observability of the technical conditions of the transport facilities. It is shown that the risk management in addition to the assessment of hazard indicators on the basis of the apparatus of expert assessments will allow to carry out a full risk assessment and to develop the most effective safety system.
V.A. Aksyonov, O.S. Sachkova, V.Yu. Liferenko, S.L. Samoshkin, A.V. Matesheva
The article is devoted to the study of the impact of the generator-drive installation produced by JSC "TVZ" on the noise and vibration level in carriages. The centralized and autonomous power supply systems of railway cars, the operational and environmental characteristics are considered. The results of noise and vibrometry tests are given.