The Karachi Port of Pakistan is a deep natural sea port with a history of 150 years. The Port has an 11 km long approach channel decaracted with buoys for proriding safe navigation of 75,000 DWT tankers,modern contain...The Karachi Port of Pakistan is a deep natural sea port with a history of 150 years. The Port has an 11 km long approach channel decaracted with buoys for proriding safe navigation of 75,000 DWT tankers,modern container vessels,bulk Karachi Port is the premier port of Pakistan and handles over 85 percent of the whole dry gen-展开更多
Quay crane and yard truck scheduling are two important subproblems in container terminal opera- tions which have been studied separately in previous research, This paper proposes a new problem for the integrated quay ...Quay crane and yard truck scheduling are two important subproblems in container terminal opera- tions which have been studied separately in previous research, This paper proposes a new problem for the integrated quay crane and yard truck scheduling for inbound containers. The problem is formulated as a mixed integer programming （MIP） model. Due to the intractability, a genetic algorithm （GA） and a modified Johnson＇s Rule-based heuristic algorithm （MJRHA） are used for the problem solution. In addition, two closed form lower bounds are given to evaluate the solution accuracy. Computational experiments show that the solution algorithm can efficiently handle the scheduling problem and that the integrated methods are very useful.展开更多
文摘The Karachi Port of Pakistan is a deep natural sea port with a history of 150 years. The Port has an 11 km long approach channel decaracted with buoys for proriding safe navigation of 75,000 DWT tankers,modern container vessels,bulk Karachi Port is the premier port of Pakistan and handles over 85 percent of the whole dry gen-
文摘Quay crane and yard truck scheduling are two important subproblems in container terminal opera- tions which have been studied separately in previous research, This paper proposes a new problem for the integrated quay crane and yard truck scheduling for inbound containers. The problem is formulated as a mixed integer programming （MIP） model. Due to the intractability, a genetic algorithm （GA） and a modified Johnson＇s Rule-based heuristic algorithm （MJRHA） are used for the problem solution. In addition, two closed form lower bounds are given to evaluate the solution accuracy. Computational experiments show that the solution algorithm can efficiently handle the scheduling problem and that the integrated methods are very useful.
