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Dimension Synthesis for Higher-Order Kinematic Parameters and Self-Adjustability Design of Planar Linkage Mechanisms

[+] Author Affiliations
Jun Lin

Southwest Petroleum Institute, Sichuan, P. R. China

Maolin Huang

Chongqing University, Chongqing, P. R. China

Paper No. DETC2005-84762, pp. 297-305; 9 pages
doi:10.1115/DETC2005-84762
From:
  • ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 7: 29th Mechanisms and Robotics Conference, Parts A and B
  • Long Beach, California, USA, September 24–28, 2005
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4744-6 | eISBN: 0-7918-3766-1
  • Copyright © 2005 by ASME

abstract

Dimension synthesis for higher-order kinematic parameters is a method to realize higher motion accuracy and to control the motion characteristics of planar linkage mechanisms. In this paper, taking a two-output impulse generator as an example, the construction of dimension synthesis equations for higher-order kinematic parameters and their solutions were carried out in four steps. In addition, to realize the self-adjustability of planar linkage mechanisms, a novel non-overconstraint basic bar group method was established to eliminate the overconstraint present in the mechanisms, which forms obstacles to planar motions. A prototype of a two-output impulse generator was produced based on the synthesis and self-adjustability design. Experimental results showed that fluctuation range of the output velocity of the two-output impulse generator was reduced by 10.3 % in comparison with a conventional impulse generator and a more steady motion was achieved, indicating the reliable motion accuracy and self-adjustability.

Copyright © 2005 by ASME

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