Title :
Elitist generational genetic chromodynamics - a new radii-based evolutionary algorithm for multimodal optimization
Author :
Stoean, Catalin ; Preuss, Mike ; Gorunescu, Ruxandra ; Dumitrescu, D.
Author_Institution :
Dept. of Comput. Sci., Craiova Univ., Romania
Abstract :
A new radii-based evolutionary algorithm (EA) designed for multimodal optimization problems is proposed. The approach can be placed within the genetic chromodynamics framework and related to other EAs with local interaction, e.g. using species formation or clearing procedures. The underlying motivation for modifying the original algorithm was to preserve its ability to search for many optima in parallel while increasing convergence speed, especially for complex problems, through generational selection and different replacement schemes. The algorithm is applied to function optimization and classification; obtained experimental results, in part improved immensely by state-of-the-art parameter tuning (SPO), and encouraged further investigation.
Keywords :
genetic algorithms; parallel algorithms; search problems; convergence; eltist generational genetic chromodynamics; function classification; function optimization; generational selection; multimodal optimization; parallel search; parameter tuning; radii-based evolutionary algorithm; replacement scheme; species formation; Algorithm design and analysis; Biological cells; Computer science; Convergence; Design optimization; Evolutionary computation; Genetics; Mathematics; Medical tests; Merging;
Conference_Titel :
Evolutionary Computation, 2005. The 2005 IEEE Congress on
Print_ISBN :
0-7803-9363-5
DOI :
10.1109/CEC.2005.1554911