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Journal of Advancements in Robotics

Synthesis of Coupler Curve on Optimizing a Four-Bar Mechanism with Ternary Linkage Using Genetic Algorithm

  1. Dibakar Bandopadhya
  2. R. Tummala
  3. M. Giridhar

Abstract

AbstractDesigning of an intricate shaped coupler curve requires assembling of complex synthesis process in relationship with the linkages of a mechanism. This work is an attempt to address curvilinear path synthesis problem on designing and optimizing a four-bar mechanism with ternary linkage whose coupler tip traces an in-demand curve with enhanced fitness level. Coupler-curve equations of the mechanism have been derived in relationship with the linkages; in the follow-up, a method has been pursued that synthesizes the mechanism corresponding to an elliptical curve. Later, genetic algorithm (GA) approach is implemented that handles both, optimization and generation of a coupler curve with added advantage. In-depth analysis on elliptical curve generation applying GA has been fulfilled, subsequently resulting synthesized configurations of the mechanism have been illustrated and the outcomes are discussed.  Keywords: Coupler curve, mechanism, synthesis, genetic algorithm, optimizationCite this ArticleBandopadhya D, Tummala R, Giridhar M. Synthesis of Coupler Curve on Optimizing a Four-Bar Mechanism with Ternary Linkage Using Genetic Algorithm. Journal of Advancements in Robotics. 2016; 3(3): 9–22p.

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