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Regul. Chaotic Dyn., 2019, Volume 24, Issue 1, Pages 114–126 (Mi rcd393)  

The Dynamics of a Chaplygin Sleigh with an Elastic Internal Rotor

Vitaliy Fedonyuk, Phanindra Tallapragada

Department of Mechanical Engineering, Clemson University, Clemson, SC 29634, U.S.A

Abstract: In this paper the dynamics of a Chaplygin sleigh like system are investigated. The system consists a of a Chaplygin sleigh with an internal rotor connected by a torsional spring, which is possibly non-Hookean. The problem is motivated by applications in robotics, where the motion of a nonholonomic system is sought to be controlled by modifying or tuning the stiffness associated with some degrees of freedom of the system. The elastic potential modifies the dynamics of the system and produces two possible stable paths in the plane, a straight line and a circle, each of which corresponds to fixed points in a reduced velocity space. Two different elastic potentials are considered in this paper, a quadratic potential and a Duffing like quartic potential. The stiffness of the elastic element, the relative inertia of the main body and the internal rotor and the initial energy of the system are all bifurcation parameters. Through numerics, we investigate the codimension-one bifurcations of the fixed points while holding all the other bifurcation parameters fixed. The results show the possibility of controlling the dynamics of the sleigh and executing different maneuvers by tuning the stiffness of the spring.

Keywords: nonholonomic systems, Chaplygin sleigh, passive degrees of freedom

DOI: https://doi.org/10.1134/S1560354719010076

References: PDF file   HTML file

Bibliographic databases:

Document Type: Article
MSC: 37J60, 70E55, 70K50
Received: 11.11.2018
Accepted:04.01.2019
Language: English

Citation: Vitaliy Fedonyuk, Phanindra Tallapragada, “The Dynamics of a Chaplygin Sleigh with an Elastic Internal Rotor”, Regul. Chaotic Dyn., 24:1 (2019), 114–126

Citation in format AMSBIB
\Bibitem{FedTal19}
\by Vitaliy Fedonyuk, Phanindra Tallapragada
\paper The Dynamics of a Chaplygin Sleigh with an Elastic Internal Rotor
\jour Regul. Chaotic Dyn.
\yr 2019
\vol 24
\issue 1
\pages 114--126
\mathnet{http://mi.mathnet.ru/rcd393}
\crossref{https://doi.org/10.1134/S1560354719010076}
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\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85061103554}


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