This paper presents modified particle swarm optimization to solve economic dispatch problems with non-smooth/non-convex cost functions. Particle swarm optimization performs well for small dimensional and less complicated problems but fails to locate global minima for complex multi-minima functions. This paper proposes Gaussian random variables in velocity term which improves search efficiency and guarantees a high probability of obtaining the global optimum without considerably worsening the speed of convergence and the simplicity of the structure of particle swarm optimization. The efficacy of the proposed method has been demonstrated on four test problems and four different non-convex economic dispatch problems with valve-point effects, prohibited operating zones with transmission losses, multiple fuels with valve point effects and the large-scale Korean power system with valve-point effects and prohibited operating zones. The results of the proposed approach are compared with those obtained by other evolutionary methods reported in the literature. It is found that the proposed modified particle swarm optimization based approach is able to provide better solution. (C) 2015 Elsevier Ltd. All rights reserved.
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chen, Wei-Neng
Zhang, Jun
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Zhang, Jun
Lin, Ying
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Lin, Ying
Chen, Ni
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chen, Ni
Zhan, Zhi-Hui
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Zhan, Zhi-Hui
Chung, Henry Shu-Hung
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City Univ Hong Kong, Kowloon, Hong Kong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chung, Henry Shu-Hung
Li, Yun
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Univ Glasgow, Glasgow G12 8QQ, Lanark, ScotlandSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Li, Yun
Shi, Yu-Hui
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Xian Jiaotong Liverpool Univ, Dept Elect & Elect Engn, Suzhou 215123, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
机构:
Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chen, Wei-Neng
Zhang, Jun
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h-index: 0
机构:
Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Zhang, Jun
Lin, Ying
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Lin, Ying
Chen, Ni
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h-index: 0
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Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chen, Ni
Zhan, Zhi-Hui
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h-index: 0
机构:
Sun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Zhan, Zhi-Hui
Chung, Henry Shu-Hung
论文数: 0引用数: 0
h-index: 0
机构:
City Univ Hong Kong, Kowloon, Hong Kong, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Chung, Henry Shu-Hung
Li, Yun
论文数: 0引用数: 0
h-index: 0
机构:
Univ Glasgow, Glasgow G12 8QQ, Lanark, ScotlandSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China
Li, Yun
Shi, Yu-Hui
论文数: 0引用数: 0
h-index: 0
机构:
Xian Jiaotong Liverpool Univ, Dept Elect & Elect Engn, Suzhou 215123, Peoples R ChinaSun Yat Sen Univ, Dept Comp Sci, Key Lab Machine Intelligence & Sensor Network, Minist Educ, Guangzhou 510275, Guangdong, Peoples R China