Author:
Mihaila M,Blanari I,Goanta V,Barsanescu P D
Abstract
The weigh-in-motion (WIM) sensors can measure the weight on each wheel, on the axle and thus can then determine the weight of the entire vehicle. These sensors are also used for traffic monitoring, both in volume (number of vehicles) and structure (classification by vehicle type). This paper presents the finite element analysis (FEA) of a sensor for urban traffic, which is carried out at medium speeds (around 50km / h). The sensor has the shape and dimensions of a speed bump and is mounted on the road in the same way. With FEA, the state of stress, strain and displacement in the elastic element of the sensor were determined, as well as the contact pressures between the tire and the sensor. For FEA different types of vehicles (a car and a truck) were considered which cross the sensor in the central area or in the side areas.
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