Multi-Objective Combinatorial Optimization of Trigeneration Plants Based on Metaheuristics

Mirko M. Stojiljković, Mladen M. Stojiljković and Bratislav D. Blagojević
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Mirko M. Stojiljković: University of Niš, Faculty of Mechanical Engineering in Niš, 14 Aleksandra Medvedeva St., Niš 18000, Serbia
Mladen M. Stojiljković: University of Niš, Faculty of Mechanical Engineering in Niš, 14 Aleksandra Medvedeva St., Niš 18000, Serbia
Bratislav D. Blagojević: University of Niš, Faculty of Mechanical Engineering in Niš, 14 Aleksandra Medvedeva St., Niš 18000, Serbia

Energies, 2014, vol. 7, issue 12, 1-28

Abstract: In this paper, a methodology for multi-objective optimization of trigeneration plants is presented. It is primarily applicable to the systems for buildings’ energy supply characterized by high load variations on daily, weekly and annual bases, as well as the components applicable for flexible operation. The idea is that this approach should enable high accuracy and flexibility in mathematical modeling, while remaining efficient enough. The optimization problem is structurally decomposed into two new problems. The main problem of synthesis and design optimization is combinatorial and solved with different metaheuristic methods. For each examined combination of the synthesis and design variables, when calculating the values of the objective functions, the inner, mixed integer linear programming operation optimization problem is solved with the branch-and-cut method. The applicability of the exploited metaheuristic methods is demonstrated. This approach is compared with the alternative, superstructure-based approach. The potential for combining them is also examined. The methodology is applied for multi-objective optimization of a trigeneration plant that could be used for the energy supply of a real residential settlement in Niš, Serbia. Here, two objectives are considered: annual total costs and primary energy consumption. Results are obtained in the form of a Pareto chart using the epsilon-constraint method.

Keywords: buildings energy supply; combinatorial optimization; metaheuristic methods; mixed integer linear programming; multi-objective optimization; trigeneration (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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