An Efficient Evolutionary Algorithm for the Fixed Charge Transportation Problem

고정비용 수송문제를 위한 효율적인 진화 알고리듬

  • Soak, Sang-Moon (Department of Mechatronics, Gwangju Institute of Science and Technology) ;
  • Chang, Seok-Cheoul (Department of Mechatronics, Gwangju Institute of Science and Technology) ;
  • Lee, Sang-Wook (Department of Mechatronics, Gwangju Institute of Science and Technology) ;
  • Ahn, Byung-Ha (Department of Mechatronics, Gwangju Institute of Science and Technology)
  • 석상문 (광주과학기술원 기전공학과) ;
  • 장석철 (광주과학기술원 기전공학과) ;
  • 이상욱 (광주과학기술원 기전공학과) ;
  • 안병하 (광주과학기술원 기전공학과)
  • Published : 2005.03.30

Abstract

The transportation problem (TP) is one of the traditional optimization problems. Unlike the TP, the fixed charge transportation problem (FCTP) cannot be solved using polynomial time algorithms. So, finding solutions for the FCTP is a well-known NP-complete problem involving an importance in a transportation network design. So, it seems to be natural to use evolutionary algorithms for solving FCTP. And many evolutionary algorithms have tackled this problem and shown good performance. This paper introduces an efficient evolutionary algorithm for the FCTP. The proposed algorithm can always generate feasible solutions without any repair process using the random key representation. Especially, it can guide the search toward the basic solution. Finally, we performed comparisons with the previous results known on the benchmark instances and could confirm the superiority of the proposed algorithm.

Keywords

References

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