期刊
MECHANISM AND MACHINE THEORY
卷 57, 期 -, 页码 62-70出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2012.07.003
关键词
Optimum synthesis; Spherical mechanism; Spherical geodesic; Path generation; Differential Evolution
资金
- PROMEP
- SNI
- CONACYT [84060]
The problem of path generation for the spherical 4R mechanism is solved using the Differential Evolution (DE) algorithm. Formulas for the spherical geodesics are employed in order to obtain the parametric equation for the generated trajectory. Direct optimization of the objective function gives the solution to the path generation task without prescribed timing. Therefore, there is no need to separate this task into two stages to perform the optimization. Moreover, the order defect problem can be solved without difficulty by means of manipulations of the individuals in the DE algorithm. Two examples of optimum synthesis showing the simplicity and effectiveness of this approach are included. (C) 2012 Published by Elsevier Ltd.
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