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  4. A non-convex economic load dispatch problem using chameleon swarm algorithm with roulette wheel and Levy flight methods
 
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A non-convex economic load dispatch problem using chameleon swarm algorithm with roulette wheel and Levy flight methods

Journal
Applied Intelligence
ISSN
1573-7497
Date Issued
2023
Author(s)
Abu Zitar, Raed 
Physics, Mathematics, Computer science 
Braik, Malik Sh.
Awadallah, Mohammed A.
Al-Betar, Mohammed Azmi
Hammouri, Abdelaziz I.
DOI
I’m no casual: exploring the consumer behaviour of Fantasy Premier League hardcore international managers.
URI
https://depot.sorbonne.ae/handle/20.500.12458/1379
Abstract
An Enhanced Chameleon Swarm Algorithm (ECSA) by integrating roulette wheel selection and Lévy flight methods is presented to solve non-convex Economic Load Dispatch (ELD) problems. CSA has diverse strategies to move towards the optimal solution. Even so, this algorithm’s performance faces some hurdles, such as early convergence and slumping into local optimum. In this paper, several enhancements were made to this algorithm. First, it’s position updating process was slightly tweaked and took advantage of the chameleons’ randomization as well as adopting several time-varying functions. Second, the Lévy flight operator is integrated with roulette wheel selection method and both are combined with ECSA to augment the exploration behavior and lessen its bias towards exploitation. Finally, an add-on position updating strategy is proposed to develop a further balance between exploration and exploitation conducts. The optimization performance of ECSA is shown by testing it on five various real ELD cases with a generator having 3, 13, 40, 80 and 140 units, each with different constraints. The results of the ELD systems’ analysis depict that ECSA is better than the parent CSA and other state-of-the art methods. Further, the efficacy of ECSA was experimented on several benchmark test functions, and its performance was compared to other well-known optimization methods. Experimental results show that ECSA surpasses other methods on complex benchmark functions with modest computational burdens. The superiority and practicality of ECSA is demonstrated by getting new best solutions for large-scale ELD cases such as 40-unit and 140-unit test systems.
Subjects
  • Economic load dispatc...

  • Chameleon swarm algor...

  • Optimization

  • Lévy flight

  • Roulette wheel select...

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Acquisition Date
Mar 31, 2023
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