JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2016, Vol. 51 ›› Issue (1): 84-88.doi: 10.6040/j.issn.1671-9352.1.2015.076

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An improved self-adaptive harmony search optimization algorithm

GE Yan-qiang1, WANG Xiang-zheng2   

  1. 1. School of Computer &
    Information Engineering, Anyang Normal University, Anyang 455002, Henan, China;
    2. School of Communication, Anyang Normal University, Anyang 455002, Henan, China
  • Received:2015-09-18 Online:2016-01-16 Published:2016-11-29

Abstract: Based on the traditional harmony search optimization algorithm, a search optimization algorithm of self-adaptive gemini harmonies was proposed. By establishing two primary harmony and secondary harmony libraries, iterative searching along positive and negative directions, and adaptively adjusting two important parameters of pitch adjusting rate and band width of optimization algorithm, the algorithms dynamic adaptive ability and the coordination ability between local search and global search was improved. Two primary harmony and secondary harmony were constructed that were in different directions and cooperative, which made full use of the hidden information in the search domain, enhanced the searching area, and realized the global optimal. Three complex functions was tested in experiment, the results show that the algorithm had better global search ability and convergence rate compared with the original algorithm, the search ability of the optimal value was improved to some extent, which achieved the anticipated effects.

Key words: harmony search algorithm, self-adaption, gemini harmony, parameter adjustment

CLC Number: 

  • TP391
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