# Exotic Dynamics of Nonholonomic Roller Racer with Periodic Control

*2018, Volume 23, Numbers 7-8, pp. 983-994*

Author(s):

**Bizyaev I. A., Borisov A. V., Mamaev I. S.**

In this paper we consider the problem of the motion of the

*Roller Racer*.We assume that the angle $\varphi (t)$ between the platforms is a prescribed function of time. We prove that in this case the acceleration of the*Roller Racer*is unbounded. In this case, as the*Roller Racer*accelerates, the increase in the constraint reaction forces is also unbounded. Physically this means that, from a certain instant onward, the conditions of the rolling motion of the wheels without slipping are violated. Thus, we consider a model in which, in addition to the nonholonomic constraints, viscous friction force acts at the points of contact of the wheels. For this case we prove that there is no constant acceleration and all trajectories of the reduced system asymptotically tend to a periodic solution.
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