Pavlenko V. Car stability improvement by means of a rational choice of friction coupling characteristics in working conditions

The research object is a process of change factors car stability in operating conditions in the process of the cyclic braking. The article of research is providing of stability motions car at different combinations of friction pair at front and back brakes. Theoretical (decision and analysis of stability differential equalizations, theory of similarity, probability and mathematical statistics theories) and experimental (test bench testing, electric measuring of physical quantity) methods of studies are used. Scientific novelty - for the first time with the use of coefficient stability the detection different sequences of blocking wheels are side thrust action against the actual distributing of brake forces between axes and braking intensity; for the first time the rational law of brake forces distributing is first certain between axes at the service braking; intercommunication of scopes of the stable state of car is first certain against skidding at the service braking with the values of coefficient of rolling friction wheels with by a road, load of machine and braking intensity; the method of selection of front and back friction pair got further development on the coefficient of stability of car. Practical importance: the method of stability estimation of car against skidding in the process of braking on the coefficient stability is used for the execution of road incident examination the Kharkov institute of judicial examination of N.S. Bokariusa; materials of work are used for development of new standards on the certification of brake lining and brake mechanisms of cars by the Kharkov regional scientific production center of standardization, metrology and certification.