TO THE CONSTRUCTION OF A MATHEMATICAL MODEL OF SPATIAL VERTICAL OSCILLATIONS OF AN ARTICULATED TRAIN

Abstract

The article proposes an option for the development and improvement of a flat mathematical model of motion taking into account the track, using the example of an articulated two-link road train, by developing and testing separate subsystems, which should take into account the redistribution of loads on the axel, due to the mixing of mass centers, or the influence of lateral forces in the circular driving modes of the road train. The analysis of subsystems with external excitation demonstrated the exponential damping of oscillations by the damping elements of the suspension, that corresponds to the behavior of a real road train. The proposed approach will make it possible to get a spatial model of an articulated road train, which could take into account the change in vertical loads and the subsequent change in lateral slip forces that affect the turnability and controllability of the road vehicle.