%0 Journal Article %A HU Xiaoyuan %A LIANG Chengji %A MAO Minli %T Optimization of quay crane assignment based on ship efficiency %D 2020 %R 10.11772/j.issn.1001-9081.2019081528 %J Journal of Computer Applications %P 1223-1230 %V 40 %N 4 %X In the container terminal system,the effective quay crane assignment for vessels is helpful to ease the strain that berths and quay cranes are in short supply in container terminals and improve the operational efficiency of ports. Aiming at the integrated optimization problem of berth allocation and quay crane assignment of dynamic arriving vessels under continuous berth,the quay crane assignment for vessels was dynamically adjusted based on ship efficiency,a model with the purpose of minimizing the total cost containing delayed berthing cost,preference deviated berthing cost,delayed departure cost and quay crane reassignment cost was established,and a heuristic algorithm based on the adjustment rules of quay crane assignment was designed and Genetic Algorithm(GA) was used to solve the model. Finally,the experimental results verified the effectiveness of the proposed model and algorithm in solving the problem of berth allocation and quay crane assignment in actual ports,and by comparing with the results calculated by the traditional GA,the optimization effect of the proposed algorithm was proved. %U http://www.joca.cn/EN/10.11772/j.issn.1001-9081.2019081528