Title: Comparison of recent algorithms for many-objective optimisation of an automotive floor-frame

Authors: Natee Panagant; Nantiwat Pholdee; Kittinan Wansasueb; Sujin Bureerat; Ali R. Yildiz; Sadiq M. Sait

Addresses: Faculty of Engineering, Sustainable Infrastructure Research and Development Center, Department of Mechanical Engineering, Khon Kaen University, 40002, Thailand ' Faculty of Engineering, Sustainable Infrastructure Research and Development Center, Department of Mechanical Engineering, Khon Kaen University, 40002, Thailand ' Faculty of Engineering, Sustainable Infrastructure Research and Development Center, Department of Mechanical Engineering, Khon Kaen University, 40002, Thailand ' Faculty of Engineering, Sustainable Infrastructure Research and Development Center, Department of Mechanical Engineering, Khon Kaen University, 40002, Thailand ' Department of Automotive Engineering, Bursa Uludag University, Bursa, 16059, Turkey ' Department of Computer Engineering, King Fahd University of Petroleum and Minerals, 31261, Saudi Arabia

Abstract: In this paper, an approach called real-code population-based incremental learning hybridised with adaptive differential evolution (RPBILADE) is proposed for solving many-objective automotive floor-frame optimisation problems. Adaptive strategies are developed and integrated into the algorithm. The purpose of these strategies is to select suitable control parameters for each stage of an optimisation run, in order to improve the search performance and consistency of the algorithm. The automotive floor-frame structures are considered as frame structures that can be analysed with finite element analysis. The design variables of the problems include topology, shape, and size. Ten optimisation runs using various optimisers are carried out on two many-objective automotive floor-frame optimisation problems. Twelve additional benchmark tests against all competitors are also performed to demonstrate the search performance of the proposed algorithm. RPBILADE provided better results than other recent optimisers for both the automotive floor-frame optimisation and benchmark problems.

Keywords: automotive floor-frame design; many-objective optimisation; population-based; incremental learning; differential evolution; adaptive algorithm.

DOI: 10.1504/IJVD.2019.109863

International Journal of Vehicle Design, 2019 Vol.80 No.2/3/4, pp.176 - 208

Received: 08 Aug 2019
Accepted: 09 Mar 2020
Published online: 28 Sep 2020 *

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