Abstract
The measuring vehicle’s weigh-in-motion (WIM) is one of the actual research fields of transport telematics. It is important for vehicles classification and identification, as well as overload enforcement, road maintenance planning, cargo fleet managing in intelligent transport systems, control of the legal use of the transport infrastructure, road surface protection from the early destruction and for the safety on the roads. One of sufficient subtasks of WIM is the tyre footprint width estimation for correct contact area calculation. The problem of tyre width estimation by fibre optic sensors (FOS) measuring system is complicated by nonlinearity, and complex interaction dynamics of vehicle’s tyre and the group of sensors. The graphical model of interaction with sloped (diagonal) sensor, its properties, and the tyre width estimation algorithm with correction of geometric interaction are discussed here.
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