Journal of Korean Society of Industrial and Systems Engineering (산업경영시스템학회지)

Society of Korea Industrial and System Engineering (한국산업경영시스템학회)
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An Interpretation-based Genetic Algorithm and a Post Local Search Method for Vehicle Routing Problems with Time Windows

시간 제약을 갖는 차량 라우팅 문제에서 염색체 해석에 기초한 유전자 알고리듬과 부분 최적화 알고리듬

  • Yim, Dong-Soon (Department of Industrial and Management Engineering, Hannam University) ;
  • Oh, Hyun-Seung (Department of Industrial and Management Engineering, Hannam University)
  • 임동순 (한남대학교 공과대학 산업경영공학과) ;
  • 오현승 (한남대학교 공과대학 산업경영공학과)
  • Published : 2008.06.30
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Abstract

본 논문은 시간 제약을 갖는 차량 라우팅 문제를 해결하기 위해 유전자 알고리듬과 부분 최적화 알고리듬을 적용한 방법을 소개한다. 유전자 알고리듬에서의 염색체는 노드를 나타내는 정수의 순열로 표현되어 직접적인 해를 나타내지 않지만, 경험적 방법에 의한 해석을 통해 유효한 해로 변형되도록 하였다. 유전자 알고리듬에 의해 생성된 주어진 수의 우수한 해들에는 세 부분 최적화 방법이 순차적으로 적용되어 보다 좋은 해를 생성하도록 하였다. 부분 최적화 방법들에 의한 해는 다시 유전자 알고리듬의 해로 바뀌지 않도록 하여 두 알고리듬은 느슨하게 연결되도록 하였다. 솔로몬의 데이터를 이용한 실험에서 본 연구에서의 방법이 모든 문제에 대해 우수한 해를 생성함을 나타내었다. 특히, 지금까지 알려진 가장 우수한 경험적 방법에 비교될 만한 결과를 가져옴을 보였다.

Keywords

References

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