The augmented Lagrange Hopfield network for economic dispatch with multiple fuel options

The augmented Lagrange Hopfield network for economic dispatch with multiple fuel options

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Article ID: iaor20125744
Volume: 57
Issue: 1-2
Start Page Number: 30
End Page Number: 39
Publication Date: Jan 2013
Journal: Mathematical and Computer Modelling
Authors: , ,
Keywords: combinatorial optimization, energy, neural networks
Abstract:

This paper proposes an augmented Lagrange Hopfield network (ALHN) for solving economic dispatch (ED) problem with multiple fuel options. The proposed ALHN method is a continuous Hopfield neural network with its energy function based on augmented Lagrangian function. The advantages of ALHN over the conventional Hopfield neural network are simpler use, more general applications, faster convergence, better optimal solution, and larger scale of problem implementation. The proposed ALHN solves the problem by directly searching the most suitable fuel among the available ones for each unit and finding the optimal solution for the problem based on minimization of the energy function of the continuous Hopfield neural network. The proposed method is tested on systems up to 100 units and the obtained results are compared to those from many other methods in the literature. The results have shown that the proposed method is efficient for solving the ED problem with multiple fuel options and favorable for implementation in large scale problems.

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