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Solving the Reconfigurable Design Problem for Multiability With Application to Robotic Systems

[+] Author Affiliations
Jeffrey D. Arena, James T. Allison

University of Illinois at Urbana-Champaign, Urbana, IL

Paper No. DETC2014-35314, pp. V02BT03A039; 14 pages
doi:10.1115/DETC2014-35314
From:
  • ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2B: 40th Design Automation Conference
  • Buffalo, New York, USA, August 17–20, 2014
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4632-2
  • Copyright © 2014 by ASME

abstract

Systems that can be reconfigured are valuable in situations where a single artifact must perform several different functions well, and are especially important in cases where system demands are not known a priori. Design of reconfigurable systems present unique challenges compared to fixed system design. Increasing reconfigurable capability improves system utility, but also increases system complexity and cost. In this article a new design strategy is presented for the design of reconfigurable systems for multiability. This study is limited to systems where all system functions are known a priori, and only continuous means of reconfiguration are considered. Designing such a system requires determination of (1) what system features should be reconfigurable, and (2) what should the range of reconfigurability of these features be. The new design strategy is illustrated using a reconfigurable delta robot, which is a parallel manipulator that can be adapted to perform a variety of manufacturing operations. In this case study the tradeoff between end effector stiffness and speed is considered over two separate manipulation tasks.

Copyright © 2014 by ASME
Topics: Design , Robotics

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