Comparison of different chaotic maps in particle swarm optimization algorithm for long-term cascaded hydroelectric system scheduling |
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Authors: | Yao-Yao He Jian-Zhong Zhou Xiu-Qiao Xiang Heng Chen Hui Qin |
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Institution: | aSchool of Hydropower and Information Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China |
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Abstract: | The goal of this paper is to present a novel chaotic particle swarm optimization (CPSO) algorithm and compares the efficiency of three one-dimensional chaotic maps within symmetrical region for long-term cascaded hydroelectric system scheduling. The introduced chaotic maps improve the global optimal capability of CPSO algorithm. Moreover, a piecewise linear interpolation function is employed to transform all constraints into restrict upriver water level for implementing the maximum of objective function. Numerical results and comparisons demonstrate the effect and speed of different algorithms on a practical hydro-system. |
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