Journal of the Korea Society for Simulation (한국시뮬레이션학회논문지)

The Korea Society for Simulation (한국시뮬레이션학회)
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The Effect Analysis on the Container Terminal Productivity according to Combination of YT Pooling and Dispatching Rules

이송장비 풀링(Pooling)과 우선순위 규칙(Dispatching rule) 조합에 따른 컨테이너 터미널 생산성 효과분석

  • Received : 2019.05.03
  • Accepted : 2019.09.17
  • Published : 2019.09.30
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Abstract

Today, container terminals are fiercely competing to attract an increasing number of containers. As a way to improve terminal productivity, this study proposes two dispatching rules for yard truck allocation priorities. First, Multi-Attribute Dispatching Rule(MADR) is an allocation method to calculate the weighted sum of multiple factors affecting container terminal productivity and priority them. Especially, the workload of the quay crane was considered one of the factors to reduce the residence time of the ship. Second, Cycling Dispatching Rule(CDR) is the effective way to increase the number of double cycles that directly affect terminal productivity. To identify the effects of combinations of pooling and dispatching, a comparative experiments was performed on 8 scenarios that combined them. A simulation environment has been developed for experiments and the results have demonstrated that the combination of terminal level pooling and Multi-attribute Dispatching could be an excellent combination in KPIs consisting of GCR and delayed departure of ships, etc.

오늘날 컨테이너 터미널은 증가하는 물동량을 유치하기 위하여 치열한 경쟁을 펼치고 있다. 이에 본 연구는 컨테이너 터미널의 생산성 향상을 위한 노력의 일환으로 두 가지 야드 트럭 우선순위 규칙(Dispatching rule)을 제안하였다. 첫 번째 Multi-attribute Dispatching은 컨테이너 터미널 생산성에 영향을 미치는 복수 요인들의 가중합으로 구성된 할당 방법이며, 선박의 체류시간을 감소시키기 위하여 안벽 크레인의 작업량을 고려하였다. 두 번째 Cycling Dispatching은 터미널 생산성 개선에 가장 큰 영향을 미치는 Double cycle횟수를 증가시키기 위한 할당 방법이다. 또한 본 연구는 풀링(Pooling)과 우선순위 규칙(Dispatching rule)이 터미널 생산성에 미치는 영향을 파악하기 위하여 풀링과 우선순위 규칙을 조합한 8가지 시나리오를 구성하였다. 실험은 실제 컨테이너 터미널의 데이터를 이용하여 시뮬레이션을 구현하였다. 실험 결과, 풀링과 우선순위 규칙 그리고 둘의 교호작용이 생산성에 영향을 미치는 것으로 나타났으며, 8가지 시나리오 중에서는 터미널 기준 풀링과 Multi-attribute Dispatching의 조합이 GCR, 선박 출항지연시간 등 KPI 지표에서 우수한 결과를 보임을 확인하였다.

Keywords

References

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