Stimation of friction coefficients of vehicles on surfaces using drones - Unmanned Aircraft Systems
DOI:
https://doi.org/10.22335/rlct.v14i3.1646Keywords:
drone, accelerometer, accident, deceleration, coefficientAbstract
Within the methodological process carried out in the reconstruction of traffic accidents, it is necessary to determine the coefficients of deceleration or friction to be used, depending on the case, to objectively establish the traffic speeds of the vehicles involved, taking into account: the type of vehicle, surface and geometry of the roadway and its condition; To this end, researchers in the field have carried out experiments since the 1970s in order to establish these coefficients for various situations. The most commonly used methods take up the statistical analysis of data obtained through measurements made in the field, technological tools such as digital accelerometers or images processed with video cameras. The purpose of this work was to demonstrate that the accuracy of the data obtained from the video images taken by a DJI Mavic Pro Unmanned Aerial Vehicle and processed in Tracker ® educational software can be compared with the information recorded with a VC4000 digital accelerometer, being The first solution is an option with a rationally lower cost, with a rate of obtaining information that is higher than the second, and with a versatility to execute scenarios that is notoriously superior.
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