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The Kinematics of Wheeled Mobile Robots With Dual-Wheel Transmission Units

[+] Author Affiliations
Chao Chen, Svetlana Ostrovskaya, Jorge Angeles

McGill University, Montreal, Quebec, Canada

Paper No. DETC2004-57575, pp. 1487-1496; 10 pages
  • ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 28th Biennial Mechanisms and Robotics Conference, Parts A and B
  • Salt Lake City, Utah, USA, September 28–October 2, 2004
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4695-4 | eISBN: 0-7918-3742-4
  • Copyright © 2004 by ASME


The Dual-Wheel Transmission (DWT) unit, an innovative driving mechanism for wheeled mobile robots (WMRs), was introduced elsewhere. In this paper we conduct the direct and inverse kinematic analysis of WMRs with such units. This analysis can be applied as well to other types of WMRs equipped with conventional wheels. Both central and offset types of wheel units are discussed. The closed form symbolic solutions provided in this paper may reduce the computational complexity, as required in the real time control of such systems. Furthermore, the underlying relations reveal the geometric and physical meanings of the constraints imposed on the robots at hand.

Copyright © 2004 by ASME



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