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SMAT2008 V20ASPECTS CONCERNING DYNAMIC TESTING OF THE VEHICLES INORDER TO DETERMINE THEIR STABILITY LIMITSTiberiu MACARIE, Silviu IONIŢĂ, Helene ŞUSTER BĂDĂRĂUAbstract: Determining the stability limits of any vehicle, along with the consequences when these limits areexceeded, such as traffic accidents, becomes an extremely difficult issue during vehicle’s design process or during itsoperation. Letting the driver know the moment when the vehicle loses its stability becomes essential for traffic safety.This work shows the way in which one can determine the stability limits of a vehicle when steering, with the help of theVBOX Mini unit.Keywords: stability, skidding, sliding, overturning, electronic control.MACARIE Tiberiu, Prof.ph.ing University of Pitesti, Automotive Department, tmacarie@upit.ro.IONITA Silviu, Prof.ph.ing University of Pitesti, Computers & Electronic Department,ionis@upit.ro .SUSTER Helene, lecturer ing. University of Pitesti, Automotive Department,helene.suster@upit.roCOMMUNICATION ANTENNAE FOR AUTOMOTIVESProf.dr.eng. Valeriu ENACHESMAT2008V21Abstract: Among the special achievements during last years in the field of automotives we mention thedevelopment of telematics, navigation and communication systems. The implementation in automotivefield of communication systems enabled the passengers to have extended services and applications withpositive consequences in comfort improvement and road safety. The new systems work within a widerange of frequencies between 0.53 MHz and 77 GHz. This study, starting with the new communicationservices implemented to motor vehicles, analyses the development of necessary antennae, as well as theircorrelation to specific conditions of motor vehicle.Enache VALERIU, prof.dr.eng., Profesor, Transilvania University of Brasov, MechanicalEngineering Faculty, Automotive and Engines Department, v.enache@unitbv.ro, 0268413000 -17314