نتایج جستجو برای: railway wheel
تعداد نتایج: 28669 فیلتر نتایج به سال:
Decomposition methods for impact‐based fault detection algorithms in railway inspection applications
Railway track defects must be detected and repaired to ensure the safe operation of railway. Signals generated by wheelset contact with rail discontinuities contain information about railway structure health. Each signal has a characteristic pattern, which is modified in presence defects. Signal decomposition commonly used extract characteristics from impact response signals. It necessary selec...
In present study, a mathematical model of the vehicle–floating slab track (FST) interaction is established to investigate the coupled behaviour of vehicle–track system. The FST is modelled as the double Euler -Bernoulli beam including the rail and slab. The railway vehicle is simplified as a multi-rigid-body model. The wheel–rail interface is treated using a nonlinear Hertzian contact model, co...
In this paper a two-degree-of-freedom model representing the sprung mass and the sloshing cargo in a vehicle is proposed to study the dynamic interaction of a sloshing cargo and the carrying vehicle, to simulate the dynamic wheel forces on the rails as a result of lateral perturbations derived from turnings along the railway path and the resultant cargo sloshing. The use of the Fourth- and T...
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