? constrained differential evolution for economic dispatch with valve-point effect Online publication date: Mon, 07-Nov-2011
by Nasimul Noman; Hitoshi Iba
International Journal of Bio-Inspired Computation (IJBIC), Vol. 3, No. 6, 2011
Abstract: A novel and effective method for solving economic load dispatch (ELD) problem is presented in this work by integrating the ? constrained method with differential evolution (DE) algorithm. The ? constrained method sets us free from selecting the appropriate value for the penalty coefficient in the objective function, which is difficult and often chosen empirically. Differential evolution with ? constrained method (?DE) has proven to be effective in solving non-linear constrained optimisation problems. Here, the effectiveness of ?DE, in solving ELD problems is investigated by using three different ELD problems that take the valve-point loading effect into consideration. The proposed approach provides very high quality solutions which are very competitive to other existing techniques to ELD considering the valve-point effect.
Online publication date: Mon, 07-Nov-2011
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