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A new fuzzy adaptive particle swarm optimization for non-smooth economic dispatch

Taher Niknam, Hassan Doagou Mojarrad and Majid Nayeripour

Energy, 2010, vol. 35, issue 4, 1764-1778

Abstract: This paper proposes a novel method for solving the Non-convex Economic Dispatch (NED) problems, by the Fuzzy Adaptive Modified Particle Swarm Optimization (FAMPSO). Practical ED problems have non-smooth cost functions with equality and inequality constraints when generator valve-point loading effects are taken into account. Modern heuristic optimization techniques have been given much attention by many researchers due to their ability to find an almost global optimal solution for ED problems. PSO is one of modern heuristic algorithms, in which particles change place to get close to the best position and find the global minimum point. However, the classic PSO may converge to a local optimum solution and the performance of the PSO highly depends on the internal parameters. To overcome these drawbacks, in this paper, a new mutation is proposed to improve the global searching capability and prevent the convergence to local minima. Also, a fuzzy system is used to tune its parameters such as inertia weight and learning factors.

Keywords: Economic dispatch; Fuzzy adaptive particle swarm optimization; Evolutionary algorithm (search for similar items in EconPapers)
Date: 2010
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