Regular nonadjustable four-bar linkages can only generate the desired continuous paths approximately. The whole desired continuous path can be generated precisely by an adjustable four-bar linkage with the one-degree-of-freedom adjustment of the pivot location of the driven side link. In this paper, an adjustment R joint is used to adjust the pivot location of the driven side link in the four-bar linkage. A closed-loop 5R linkage is formed by the adjustable four-bar linkage. The linkage feasibility conditions and path generation flexibilities of the adjustable four-bar linkages are analyzed. The synthesis model of the adjustable four-bar linkages is set up based on the required optimal adjustment of the pivot location when the desired continuous path is precisely generated. The global optimal solution is searched by a genetic algorithm in which the involved constraints are handled using the function penalty method. The effectiveness of the synthesis approach proposed in the paper is verified by two demonstrated examples.
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ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 3–6, 2008
Brooklyn, New York, USA
Conference Sponsors:
- Design Engineering Division and Computers in Engineering Division
ISBN:
978-0-7918-4326-0
PROCEEDINGS PAPER
Synthesis of Adjustable Linkages for Precise Path Generation Using the Optimal Pivot Adjustment Available to Purchase
Hong Zhou,
Hong Zhou
Texas A&M University - Kingsville, Kingsville, TX
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Thomas Castillo
Thomas Castillo
Texas A&M University - Kingsville, Kingsville, TX
Search for other works by this author on:
Hong Zhou
Texas A&M University - Kingsville, Kingsville, TX
Thomas Castillo
Texas A&M University - Kingsville, Kingsville, TX
Paper No:
DETC2008-49046, pp. 567-574; 8 pages
Published Online:
July 13, 2009
Citation
Zhou, H, & Castillo, T. "Synthesis of Adjustable Linkages for Precise Path Generation Using the Optimal Pivot Adjustment." Proceedings of the ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2: 32nd Mechanisms and Robotics Conference, Parts A and B. Brooklyn, New York, USA. August 3–6, 2008. pp. 567-574. ASME. https://doi.org/10.1115/DETC2008-49046
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