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Test track and driving simulator environment

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Abstract: This paper describes research studies analysing the behaviour of drivers in the simulated accident risk situation.
The study was conducted in two environments: on the Kielce Car Test Track and in the driving simulator autoPW of Warsaw University of Technology.
The same 3 (different) situational scenarios of accidents were performed in both environments and the same group of 100 drivers was examined. Each of the examined persons performed the same set of tests, randomly ordered, carried out for various values of the time TTC (time to collision), received as combinations of the tested vehicle velocity and its distance from the roadblock. The vehicle speed was changed within the range from 36 up to 60 km/h, and the distance of the vehicle from the first roadblock from 5 up to 50 m. The paper presents exemplary results of the research studies.
One of the basic methods used by experts in the reconstruction of road accidents is different types of mathematical models of the human-vehicle-environment system. The correctness of expertise, performed from purely human perspective associated with pleading someone guilty and imposing respective punishment, is also of great economic importance that is related to compensations paid by the insurance companies.
Among the many factors affecting the accuracy and credibility of the analyses of accidents conducted with such methods, the most important include: the complexity of models - car motion model, model of human activities, crash model and others, here also the so-called "validation" of models, timeliness and accuracy of estimates of input data; expert skills and knowledge.
Among the input data, one of the key used in the computations that are carried out in the process of reconstructing the course of the accident is the "reaction time", i.e. the time that elapses from the moment of the risk occurrence until the driver starts reacting towards the vehicle control mechanisms. The research studies aim to develop and update a database of reaction times, but also the behaviours of drivers of road vehicles are the subject of this paper. (...)

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Źródło: Czasopismo Logistyka

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