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Comparative Study of Mechanical Error in P3R and 4R Manipulators

[+] Author Affiliations
Ankur Jaiswal, H. P. Jawale

Visvesvaraya National Institute of Technology, Nagpur, India

Paper No. DETC2016-60057, pp. V05BT07A044; 6 pages
  • ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5B: 40th Mechanisms and Robotics Conference
  • Charlotte, North Carolina, USA, August 21–24, 2016
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5016-9
  • Copyright © 2016 by ASME


This article incorporates formulation and application for the varying position of output link of P3R and 4R manipulator configuration and estimation of mechanical error. The behavior of the output link is analyzed for linear and rotary inputs for both the type of configurations. The variation in link tolerance is introduced as input for estimating the mechanical error for P3R and 4R manipulator with the derived formula. Comparison of the errors provides the basis of selecting the best manipulator with the minimum mechanical error. Sample case is illustrated for the identical operational features in these P3R and 4R manipulators and the performance of these manipulators is quantified in this paper. The methodology is successful in considering the effect of source of mechanical errors in general; the proposed methodology is going to be helpful for the analysis of spatial and parallel manipulator.

Copyright © 2016 by ASME
Topics: Errors , Manipulators



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