Untitled - MendelNet 2013 - Mendelova zemědělská a lesnická ...

MENDELNET 2013UTILISATION OF PROGRAM SURFER IN THE MODELLINGOF SURFACE AREAS OF TERRAIN SURFACEVáliková V., Antl J.Department of Machine Design, Faculty of Engineering, Slovak University ofAgriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovak RepublicE-mail: xvalikovav@is.uniag.skABSTRACTIn this contribution we deal with the methodology of the terrain surface visualisation, on whichexperimental measurements of driving manoeuvres of agricultural technological vehicle MT8-222were realised. Introduced methodology uses defined procedure when determining dynamic stabilityof vehicles following the standard STN 47 0170. There were obtained records of centre of thegravity accelerations at every instant of time. From these records of acceleration and by usingEuler´s parameters, there were evaluated contact points of the wheels with the terrain. Followingthe obtained contact points in the direction of down grade slope, contour line such as in thedirection of tractive movement on the slope there were utilised program Surfer for visualisation ofsurface area of terrain surface. The results are utilizable in prediction of collision situation ofattached aggregate, which is moving in the terrain.Key words: surfer, terrain surface modelling, mathematical modelling893 | P age