Wheel set flange derailment criteria for railway vehicles are derived and the influence of wheel–rail contact parameters is studied. An indirect method for wheel–rail force measurement based on these derailment evaluation criteria is proposed. Laboratory tests for the calibration of strain–force devices on the bearing box are carried out to determine the relationship between the applied force and the measured strain. The simulation package, SIMPACK, is used to develop a passenger car model to generate wheel–rail forces and vibration signals. Different cases are considered in this model to provide an accurate validation of the identified wheel–rail forces. A feasibility test is conducted in the Beijing Loop test line using a passenger car equipped with a set of strain gauges on the wheel set. The comparison of the force time history applied to the instrumented wheel set and that obtained using the indirect method is presented.
Indirect method for wheel–rail force measurement and derailment evaluation
Vehicle System Dynamics ; 52 , 12 ; 1622-1641
2014
20 Seiten, 11 Bilder, 4 Tabellen, 19 Quellen
Article (Journal)
English
Indirect method for wheel-rail force measurement and derailment evaluation
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