Adhesion Detection Analysis by Modeling Rail Wheel Set Dynamics under the Assumption of Constant Creep Coefficient

Zulfiqar Ali Soomro


Adhesion level control is very necessary to avoid slippage of rail wheelset and track from derailment for smoothing running of rail vehicle. In this paper the proper dynamics of wheelset for velocities acting in three dimensions of wheelset and rail track has been discussed along with creep forces on each wheel in longitudinal, lateral and spin directions has been enumerated and computed for suitable modeling. The concerned results have been simulated by Matlab code to observe the correlation of this phenomenon to compare creepage and creep forces for detecting adhesion level. This adhesion identification is recognized by applying coulomb’s law for sliding friction by comparing tangential and normal forces through co-efficient of friction


creepage; creep co-efficient; tangential forces; creep forces; adhesion; slip; spin

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1. Estimation of longitudinal velocity noise for rail wheelset adhesion and error level
Zulfiqar Ali Soomro
Multiscale and Multiphysics Mechanics  vol: 1  issue: 3  first page: 261  year: 2016  
doi: 10.12989/mmm.2016.1.3.261