Modified moth swarm algorithm for optimal economic load dispatch problem

Phu Trieu Ha, Hanh Minh Hoang, Thuan Thanh Nguyen, Thang Trung Nguyen


In this study, optimal economic load dispatch problem (OELD) is resolved by a novel improved algorithm. The proposed modified moth swarm algorithm (MMSA), is developed by proposing two modifications on the classical moth swarm algorithm (MSA). The first modification applies an effective formula to replace an ineffective formula of the mutation technique. The second modification is to cancel the crossover technique. For proving the efficient improvements of the proposed method, different systems with discontinuous objective functions as well as complicated constraints are used. Experiment results on the investigated cases show that the proposed method can get less cost and achieve stable search ability than MSA. As compared to other previous methods, MMSA can archive equal or better results. From this view, it can give a conclusion that MMSA method can be valued as a useful method for OELD problem.


discontinuous objective function; modified moth swarm algorithm; optimal economic load dispatch;

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TELKOMNIKA Telecommunication, Computing, Electronics and Control
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