Ameliorated Follow The Leader: Algorithm and Application to Truss Design Problem. (August 2022)

• Record Type: Journal Article
• Authors: Singh, Priyanka; Kottath, Rahul; Tejani, Ghanshyam G.
• Is Part Of: Structures. Volume 42(2022)
• Page Start: 181
• Page End: 204
• Publication Date: 2022-08
• Subjects: Swarm-based optimization -- Meta-heuristics -- Follow the leader -- Truss design problems; Structural engineering -- Periodicals; 624.1
• DOI: 10.1016/j.istruc.2022.05.105
• Languages: English
• ISSNs: 2352-0124

Abstract

Abstract: Swarm-based models mimic the collective behavior shown in insects or animals. To date, several algorithms have been proposed by researchers to solve a wide range of complex optimization problems. This paper presents an improved version of follow the leader (iFTL) algorithm that imitates the behavioral movement of a sheep within the flock. The work presented in this paper mathematically models this foraging behavior to realize the process of optimization. The COmparing Continuous Optimisers (COCO) experimental framework is used for performance evaluation with twenty-four noiseless and thirty noisy benchmark functions. After that, it has been compared with fourteen well-presented optimization algorithms in different dimensions. The results generated show that iFTL outperformed all compared optimization algorithms and outranked in all dimensions. The iFTL algorithm is also tested on twenty-four standard benchmark function and compared with eight well-known optimization algorithms to benchmark its performance. Further, the efficacy of the proposed algorithm is tested on 10, 37, 52, 72, 120, 200, 224, and 942 bar truss design problems. Finally, the results generated by truss design problems are compared with other meta-heuristics algorithms to validate the performance of the proposed algorithm. The obtained results reveal that iFTL is efficient and stable than other state-of-the-art algorithms.