Analysis of methods for measuring the force effect of rolling stock on the track and the wheel control systems when the train is moving

Boronenko, Yu. P.; Рахимов, Р. В.; Grigoryev, R. Yu.; Popov, V. V.; Railway, Oktyabrskaya

doi:10.20295/1815-588x-2020-3-324-344

Cited by 4 publications

(3 citation statements)

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“…Therefore, to apply the arrangement of strain gauges shown in Fig. 6, for simultaneous measurement of vertical and lateral forces, according to expression (6), it is advisable to connect the strain gauges in two full bridges with a four-wire connection scheme, as shown in Fig. 8.…”

Section: Development Of a New Methods For Measuring Vertical And Late...mentioning

confidence: 99%

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A new way to determine the indicators of vertical and horizontal of a subway car

et al. 2023

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The issues of measuring the coefficients of vertical and horizontal dynamics of a subway car during running dynamic tests are reviewed. The theoretical research of bogie frame loading by finite element method has been done. Analysis of complex calculation outcomes and stress distribution diagrams on bogie frame under the action of vertical, longitudinal, and lateral forces has allowed defining the place of strain gauges installation on the elements of the bogie and the signal processing method for measuring vertical and lateral forces acting on bogie frame of the subway car. The new measuring circuit with strain gauges connected in two full bridges with a four-wire connection scheme will provide simultaneous measurement of vertical and lateral forces acting on the subway car bogie frame. The running tests on the evaluation of dynamic qualities of subway car model 81-714Uz confirmed the effectiveness of the developed measuring scheme for determining the indicators of vertical and horizontal dynamics of a subway car.

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Section: Development Of a New Methods For Measuring Vertical And Late...mentioning

confidence: 99%

“…When assessing the dynamic qualities of rolling stock, accurate measurement of the coefficients of vertical and horizontal dynamics of the car, which are calculated from the outcomes of measurements of dynamic processes occurring during the interaction of rolling stock and track, is important [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

A new way to determine the indicators of vertical and horizontal of a subway car

et al. 2023

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“…The statistical studies on the Russian railways showed that the GOST R 55050-2012 [21] method and the Russian Railways (RZD-2016) method are used to measure the force effect of rolling stock on the track [21,27,42]. These methods are implemented using strain gauges mounted on the rail neck and measure the wheel/ rail forces only when the wheel is positioned over the strain gauges sections, and continuous registration of forces in the wheel /rail contact is impossible.…”

Section: Introductionmentioning

confidence: 99%

New Approach Measuring the Wheel/Rail Interaction Loads

Boronenko¹,

Rahimov²,

Lafta³

2022

Railway Transport Planning and Management

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This chapter suggested new methods for monitoring the dynamic processes of rolling stock/rail interaction. This study develops a new technical solution for measuring the wheel/rail interaction forces on a significant part of the sleeper. The theoretical part of this study, using FEM, confirm the ability of piecewise continuous recording of vertical and lateral forces from the wheel/rail interaction by measuring the stresses in two sections of the rail. Also, the optimum location of strain gauges and the effective length of the measuring zone have been determined. The experimental part of this study has been carried out on the stands and the railway track to confirm the effectiveness of the method to determine the vertical and lateral wheel/rail interaction forces, increase the reliable statistical data, improve the measurement accuracy, reducing the time and cost compared with current testing methods. The developed method is recommended to determine the wheel/rail interaction forces and identify defects on the wheels when diagnosing rolling stock on operational and travel regimes.

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Magnetoelastic Method of Diagnostics of Technical Condition of Railway Rolling Stock Wheels

Komraz,

Pobeda,

Atroshenko

et al. 2024

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Detection of defects on the rolling surface of wheelsets, the formation of which occurs in the process of operation, is becoming the most important task of ensuring safety on railroad transport, the importance of which is becoming greater in connection with the growth of rolling stock speeds and increasing freight traffic. The development of defects in wheel pairs leads to destruction of the running parts of the rolling stock and wear of the rail tracks, and, as a consequence, an accident (railway derailment). One of the most significant characteristics of the condition of the tracks and rolling stock are the pressure of the wheel on the rail, and the load that occurs in the rail. Existing methods for identifying defects are reduced to measuring the deflection of the rail and weight measurement, which is used to judge the excess load created by the wheels of the rolling stock on the rail. This paper describes magnetoelastic methods for monitoring the condition of elements of railway tracks and rolling stock in front of existing non-magnetic ones. The advantage of magnetoelastic methods is that the determination of stresses in the object under study occurs directly, and not indirectly, because stress control is carried out by turning on the object under study as an element of the measurement circuit, which gives the most reliable ideas about the stresses arising in the object.

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Analysis of methods for measuring the force effect of rolling stock on the track and the wheel control systems when the train is moving

Cited by 4 publications

References 0 publications

A new way to determine the indicators of vertical and horizontal of a subway car

A new way to determine the indicators of vertical and horizontal of a subway car

New Approach Measuring the Wheel/Rail Interaction Loads

Magnetoelastic Method of Diagnostics of Technical Condition of Railway Rolling Stock Wheels

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