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Human factors in multi-objective optimization of water supply systems

Abstract:

The design of water supply systems is considered a combinatorial optimization task in which the diameter of each one of the pipes can be considered as a decision variable. The problem is to determine a set of diameters so that the cost function is minimized (depending on the length, diameter and material of the pipes) subject to hydraulic and commercial constraints. However, the chosen set of diameters will have a significant influence on the energy losses due to the hydraulic balance of the system. Therefore, it is necessary to use techniques that allow finding solutions that are viable under multiple criteria. In the present work the incorporation of the human factor in the decision-making process during the multi-objective optimization of the design of the water supply system is shown. The development of algorithms, products of the practical experience and implementation in CAD systems, influences the decrease of the search universe in the optimization as measured using the notation Big-O. Benefits provided by the CAD System to help the designer are presented. The paper ends with conclusion and recommendation of future works.