MEMS: Field Models and Optimal Design by Paolo Di Barba & Slawomir Wiak

Author:Paolo Di Barba & Slawomir Wiak
Language: eng
Format: epub
ISBN: 9783030214968
Publisher: Springer International Publishing

11.4.1 Multi Objective and Pareto-like Evolution Strategy

It is based on an extension of the zero-order evolution strategy, where the mutation operator is modified according to the concept Paretian optimality. Specifically, an offspring solution is accepted if and only if it strongly dominates the parent solution for all the objectives, provided problem constraints are fulfilled. As a consequence, the algorithm finds a trajectory connecting the start solution to a non-dominated solution, which is assumed to approximate a Pareto-optimal solution in the nf -dimensional objective space (nf = 2 for MOESTRA [8] and nf ≥ 2 for P-Estra), [14]. The algorithm stops when the search radius in the design space is smaller than the prescribed tolerance.

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