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The data acquisition systems, depending on their complexity can provide a clear and real image of the dynamic movements of vehicles. The performance offered  by these systems are closely related to the number of monitored parameters, data transfer speed, the sensitivity of detection factors and the accuracy of the data. Displacements of the special vehicles is generally, is conditioned by a number of specific factors that influence each other in time and space. They create different links, interdependent and complex at the same time, for the importance of action taken. When vehicles is travel under special circumstances (terrain, climate), these are substantially influenced by the dynamic factor, due to the great resistance encounter in advancing. The research highlights through the combined by used of modern equipment, a new concept of dynamic data acquisition, in such conditions. Development of acquisition system in a new complex shape, highlights the large number of data collected about the actual characteristics of the land in which the displacement is made of. By further valorisation of the data will be properly identified correlations between peculiarities of land in relation to their GPS position, and to determination accurate terrain roughness factor and its influence on vehicle dynamics.

special conditions; data acquisition; GPS