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Nelin. Dinam., 2018, Volume 14, Number 2, Pages 265–290 (Mi nd612)  

A Study of the Controlled Motion of a Four-wheeled Mecanum Platform

B. I. Adamov

National Research University Moscow Power Engineering Institute, ul. Krasnokazarmennaya 14, Moscow, 111250 Russia

Abstract: The object of the study is the mobile platform of the KUKA youBot robot equipped with four Mecanum wheels. The ideal conditions for the point contact of the wheels and the floor are considered. It is assumed that the rollers of each Mecanum wheel move without slipping and the center of the wheel, the center of the roller axis, and the point of contact of the roller with the floor are located on the same straight line. The dynamics of the system is described using Appels equations and taking into account the linear forces of viscous friction in the joints of the bodies. An algorithm for determination of the control forces is designed. Their structure is the same as that of the reactions of ideal constraints determined by the program motion of the point of the platform. The controlled dynamics of the system is studied using uniform circular motion of the platform point as an example: conditions for the existence and stability of steady rotations are found, conditions for the existence of stable-unstable stationary regimes and rotational motions of the platform are obtained. Within the framework of the theory of singular perturbations, an asymptotic analysis of the rotation of the platform is carried out.

Keywords: omniwheel, Mecanum wheel, omnidirectional platform, servo-constraint, youBot, singular perturbation

Funding Agency Grant Number
Russian Foundation for Basic Research 16-01-00429
This work was supported by the RFBR grant no. 16-01-00429.


DOI: https://doi.org/10.20537/nd180209

Full text: PDF file (954 kB)
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Document Type: Article
MSC: 70F25, 70E55, 70E60, 70Q05, 70K70, 34D15, 34E10, 37J60, 37J20
Received: 16.01.2018
Accepted:23.05.2018
Language: English

Citation: B. I. Adamov, “A Study of the Controlled Motion of a Four-wheeled Mecanum Platform”, Nelin. Dinam., 14:2 (2018), 265–290

Citation in format AMSBIB
\Bibitem{Ada18}
\by B. I. Adamov
\paper A Study of the Controlled Motion of a Four-wheeled Mecanum Platform
\jour Nelin. Dinam.
\yr 2018
\vol 14
\issue 2
\pages 265--290
\mathnet{http://mi.mathnet.ru/nd612}
\crossref{https://doi.org/10.20537/nd180209}
\elib{http://elibrary.ru/item.asp?id=35417130}


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