1.GOALOFINVESTIGATION.docVIP

THE STUDY OF THE SINGLE TRACK VEHICLES DYNAMICS Rajko Radonji?, Aleksandra Jankovi?, Branislav Aleksandrovi? UDC: 629.118.6: 681.532.8 INTRODUCTION According to law of traffic safety of Serbia and related regulation on the classification of motor vehicles and trailer and technical condition for vehicles in traffic on the road, the single track vehicles are defined in article 6 and that: ( 1 ) type L1 – moped with limited maximum velocity at 45 km/h, or working volume at 50 cm3 for engine drive or limited maximum power at 4kW for electromotor drive, ( 2 ) type L3 – motorcycle whose maximum velocity get over 45 kim/h, or working volume greater of 50 cm3 for engine drive or maximum power greater of 4kW for electromotor drive. In article 14 above mentioned regulation are defined , ( 3 ) type K2 – bicycle with human muscules power drive, ( 4 ) type K3 – pedal drive vehicles with added electromotor drive whose maximum power is less than 0.25kW and maximum design velocity less than, which is not declared as vehicle type L1. The bicycles and motorcycles are the most represented categories of single track vehicles in road traffic whose dynamical characteristics in interactions with rider significant influence on the traffic safety. The study of the single track vehicles dynamics began on the 1800’s and continues today. The first human – powerd single track vehicle cam in 1817, inveted by Baron Karl von Drais . The first pedal – driven two wheeler, in approximately 1840 is conected to name of the Scotsman Kirkpatrick Macmillan. The first motorcycle with a steam engine came in 1867 from American Sylvester Howard Roper and true motorcycle powered by means of an internal combustion engine is that in 1885, from Daimler and Maybach. The motions of bicycles and motorcycles have many common attributes and are fundamentally different from other wheeled vehicles, as for example, double track vehicles. Handling and stability properties of rider – motorcycle syste