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An improved harmony search algorithm for power economic load dispatch
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DOI：10.1016/j.enconman.2009.05.034.png)
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A meta-heuristic algorithm called harmony search (HS), mimicking the improvisation process of music players, has been recently developed. The HS algorithm has been successful in several optimization problems. The HS algorithm does not require derivative information and uses stochastic random search instead of a gradient search. In addition, the HS algorithm is simple in concept, few in parameters, and easy in implementation. This paper presents an improved harmony search (IHS) algorithm based on exponential distribution for solving economic dispatch problems. A 13-unit test system with incremental fuel cost function taking into account the valve-point loading effects is used to illustrate the effectiveness of the proposed IHS method. Numerical results show that the IHS method has good convergence property. Furthermore, the generation costs of the IHS method are lower than those of the classical HS and other optimization algorithms reported in recent literature. (C) 2009 Elsevier Ltd. All rights reserved.
Keyword:
Optimization
Harmony search algorithm
Power economic load dispatch
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期刊
IF:
10.9
论文数:
2.0W
被引数:
11.3W
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