Title: Stability analysis of efficient solutions in multiobjective integer programming: A case study in load management
Authors: Alves, Maria João 
Clí­maco, João 
Antunes, Carlos Henggeler 
Jorge, Humberto 
Martins, António G. 
Keywords: Multiobjective integer programming;Interactive methods;Energy management
Issue Date: 2008
Citation: Computers & Operations Research. 35:1 (2008) 186-197
Abstract: This paper presents a multiobjective linear integer programming model for supporting the choice of remote load control strategies in electric distribution network management. The model takes into account the main concerns in load management, considering three objective functions: minimization of the peak demand as perceived by the distribution network dispatch center, maximization of the utility profit associated with the energy services delivered by the controlled loads and minimization of the discomfort caused to consumers. The problem was analyzed using an interactive reference point method for multiobjective integer (and mixed-integer) linear programming. This approach exploits the use of the branch-and-bound algorithm for solving the reference point scalarizing programs through which efficient solutions are computed. Post-optimality techniques enable a stability analysis of the efficient solutions by means of computing and displaying graphically sets of reference points that correspond to the same solution.
URI: http://hdl.handle.net/10316/5478
Rights: openAccess
Appears in Collections:FEUC- Artigos em Revistas Internacionais

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