Secure storage yard is one of the optimal core goals of container transportation;thus,making the necessary storage arrangements has become the most crucial part of the container terminal management systems(CTMS).Thi...Secure storage yard is one of the optimal core goals of container transportation;thus,making the necessary storage arrangements has become the most crucial part of the container terminal management systems(CTMS).This paper investigates a random hybrid stacking algorithm(RHSA) for outbound containers that randomly enter the yard.In the first stage of RHSA,the distribution among blocks was analyzed with respect to the utilization ratio.In the second stage,the optimization of bay configuration was carried out by using the hybrid genetic algorithm.Moreover,an experiment was performed to test the RHSA.The results show that the explored algorithm is useful to increase the efficiency.展开更多
针对远洋干线中超大型集装箱船(Ultra-Large Container Ship,ULCS)的多港口Bay位优化问题(Multi-Port Master Bay Plan Problem,MP-MBPP),提出以堆垛为基本计算单元的混合整数规划(Mixed Integer Programming,MIP)模型。该模型以倒箱数...针对远洋干线中超大型集装箱船(Ultra-Large Container Ship,ULCS)的多港口Bay位优化问题(Multi-Port Master Bay Plan Problem,MP-MBPP),提出以堆垛为基本计算单元的混合整数规划(Mixed Integer Programming,MIP)模型。该模型以倒箱数最少、靠港时间最短为目标,根据航段距离动态,考虑船舶的结构强度约束,满足冷藏箱、重大件货物和45英尺集装箱的装载需求。该模型使用商用求解器CPLEX进行求解,试验结果表明:该模型可针对21000 TEU集装箱船多港口配载问题高效地给出可行解,为船舶大数据智能运维平台国产化解决方案的制订提供理论基础。展开更多
基金Supported by the Research Grants from Shanghai Municipal Natural Science Foundation(No.10190502500) Shanghai Maritime University Start-up Funds,Shanghai Science&Technology Commission Projects(No.09DZ2250400) Shanghai Education Commission Project(No.J50604)
文摘Secure storage yard is one of the optimal core goals of container transportation;thus,making the necessary storage arrangements has become the most crucial part of the container terminal management systems(CTMS).This paper investigates a random hybrid stacking algorithm(RHSA) for outbound containers that randomly enter the yard.In the first stage of RHSA,the distribution among blocks was analyzed with respect to the utilization ratio.In the second stage,the optimization of bay configuration was carried out by using the hybrid genetic algorithm.Moreover,an experiment was performed to test the RHSA.The results show that the explored algorithm is useful to increase the efficiency.
文摘针对远洋干线中超大型集装箱船(Ultra-Large Container Ship,ULCS)的多港口Bay位优化问题(Multi-Port Master Bay Plan Problem,MP-MBPP),提出以堆垛为基本计算单元的混合整数规划(Mixed Integer Programming,MIP)模型。该模型以倒箱数最少、靠港时间最短为目标,根据航段距离动态,考虑船舶的结构强度约束,满足冷藏箱、重大件货物和45英尺集装箱的装载需求。该模型使用商用求解器CPLEX进行求解,试验结果表明:该模型可针对21000 TEU集装箱船多港口配载问题高效地给出可行解,为船舶大数据智能运维平台国产化解决方案的制订提供理论基础。