Stochastically Optimal Research on Empty Container Reposition at Sea

The chance-constrained programming is used to do a stochastically optimal research on empty container reposition at sea.The objective function of this model is to minimize the costs of reposition and renting.The restricted conditions should meet the following factors including the requirement of empty containers,the ability of supply and storage of empty containers,time limit and load limit of empty containers.Probability distribution function is adopted to transform chance-constrained condition into contain constraint condition,thus the stochastic programming is transformed into certain programming model.The computing result shows that the model can reduce the reposition costs effectively.The model gives an effective method about the reposition of empty containers for a shipping company.