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Hopfield Lagrange Network for Economic Load Dispatch

Hopfield Lagrange Network for Economic Load Dispatch

Vo Ngoc Dieu, Weerakorn Ongsakul
Copyright: © 2012 |Pages: 38
ISBN13: 9781613501382|ISBN10: 1613501382|EISBN13: 9781613501399
DOI: 10.4018/978-1-61350-138-2.ch002
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MLA

Dieu, Vo Ngoc, and Weerakorn Ongsakul. "Hopfield Lagrange Network for Economic Load Dispatch." Innovation in Power, Control, and Optimization: Emerging Energy Technologies, edited by Pandian Vasant, et al., IGI Global, 2012, pp. 57-94. https://doi.org/10.4018/978-1-61350-138-2.ch002

APA

Dieu, V. N. & Ongsakul, W. (2012). Hopfield Lagrange Network for Economic Load Dispatch. In P. Vasant, N. Barsoum, & J. Webb (Eds.), Innovation in Power, Control, and Optimization: Emerging Energy Technologies (pp. 57-94). IGI Global. https://doi.org/10.4018/978-1-61350-138-2.ch002

Chicago

Dieu, Vo Ngoc, and Weerakorn Ongsakul. "Hopfield Lagrange Network for Economic Load Dispatch." In Innovation in Power, Control, and Optimization: Emerging Energy Technologies, edited by Pandian Vasant, Nadar Barsoum, and Jeffrey Webb, 57-94. Hershey, PA: IGI Global, 2012. https://doi.org/10.4018/978-1-61350-138-2.ch002

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Abstract

In this chapter, a Hopfield Lagrange network (HLN) is proposed for solving economic load dispatch (ELD) problems. HLN is a combination of Lagrangian function and continuous Hopfield neural network where the Lagrangian function is directly used as the energy function for the continuous Hopfield neural network. In the HLN method, its energy function augmented by Hopfield terms from the continuous Hopfield network could damp out oscillation of the conventional Hopfield network during the convergence process. Consequently, the proposed HLN can overcome the disadvantages of the conventional Hopfield network in solving optimization problems for its simpler implementation, better global solution, faster convergence time, and larger scale applications. The proposed method has been tested on different ELD problems including all thermal units, thermal units with fuel constraint, and both thermal and hydro units. The obtained results from the test cases have shown that the proposed method is effective and efficient for solving the ELD problems. Therefore, the HLN method is the new contribution to the development of new methods for solving optimization problems in power systems.

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