An intelligent moving object optimization algorithm for design problems with mixed variables, mixed constraints and multiple objectives

M.K. Rahman

    Research output: Contribution to journalArticle

    16 Citations (Scopus)

    Abstract

    This paper presents an optimization algorithm for engineering design problems having a mix of continuous, discrete and integer variables; a mix of linear, non-linear, differentiable, non-differential, equality, inequality and even discontinuous design constraints; and conflicting multiple design objectives. The intelligent movement of objects (vertices and compounds) is simulated in the algorithm based on a Nelder-Mead simplex with added features to handle variable types, bound and design constraints, local optima, search initiation from an infeasible region and numerical instability, which are the common requirements for large-scale, complex optimization problems in various engineering and business disciplines. The algorithm is called an INTElligent Moving Object algorithm and tested for a wide range of benchmark problems. Validation results for several examples, which are manageable within the scope of this paper, are presented herein. Satisfactory results have been obtained for all the test problems, hence, highlighting the benefits of the proposed method.
    Original languageEnglish
    Pages (from-to)40-58
    JournalStructural and Multidisciplinary Optimization
    Volume32
    DOIs
    Publication statusPublished - 2006

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