A Novel Hybrid Approach for Solving the Traveling Salesman Problem: Combining Local Search Techniques for Enhanced Performance

Yıl 2024, Sayı: 011, 1 - 17, 31.12.2024

Charmarke Housseın Abdı , Hasan Temurtaş , Safa Dörterler , Durmuş Özdemir

Öz

The Traveling Salesman Problem (TSP) is a classic combinatorial optimization problem. It involves finding the most efficient route that visits a set of cities exactly once and returns to the starting point. The development of an efficient solution to this problem is of great practical importance, particularly in the context of logistical and transportation applications. Some of the classic local search methods that have been adopted in the quest for better solutions include 2-Opt, 3-Opt, Slide, and Swap. These methods generate neighboring solutions in a systematic manner, eliminating suboptimal routes and thus improving the quality of the solutions. Among these, the 2-Opt method involves the elimination of crossed edges in the route. In contrast, the 3-Opt extends this concept to more complex changes, and while it may have the potential to generate superior solutions, it does so at a higher computational cost. The aim of this study is to provide a comprehensive investigation of the performance of the four methods: 2-Opt, 3-Opt, Slide, and Swap. Additionally, this paper proposes a hybrid method, HLSA, which incorporates all four methods in a systematic and balanced manner: 30% 2-Opt, 30% 3-Opt, 20% Slide, and 20% Swap. This approach is designed to yield more optimized results. The results demonstrate that the HLSA is significantly faster and more effective than traditional algorithms, as evidenced by rigorous experimentation and comparison. Furthermore, the solution to TSP has been shown to be both practical and efficient, making it a viable candidate for real-world implementation.

Anahtar Kelimeler

Traveling Salesman Problem, local search, Swap, Slide, 2-Opt, 3-Opt

Teşekkür

The authors have no individuals or organizations to acknowledge.

Kaynakça

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