Multi-Objective Robustness Analysis of the Polymer Extrusion Process
Abstract
This paper presents a new approach to robustness analysis in multiobjective
optimization problems aimed at obtaining the most robust Pareto front
solutions and also at distributing solutions along the most robust regions of the
optimal Pareto set. The methodology proposed is applied to a single screw polymer
extrusion with the aim to obtain the most robust solutions for the optimization
of the extruder geometry. The non-dominated solutions obtained take into
account their degree of robustness and the distribution of such solutions
along the Pareto front accordingly with specific algorithm parameter values.
The results obtained have physical meaning and are in accordance with the
practical knowledge about the industrial process studied.
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