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The Fabry-Perot interferometric sensing system can be used not only to determine the speed and number of axles but also, under certain conditions, to determine the technical condition of railway vehicles. The effect of a wheel defect on the track has been replaced by a body with linear momentum to limit the possibility of infrastructure damage. We investigated the influence of the magnitude of momentum and the distance of action from the location of the sensor on the response of the sensor. The findings were applied to a trainset moving at a speed of 98.5 km/h.
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Káčik et al. (2024) studied this question.
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