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Related Experiment Videos

Integrated continuous berth allocation with time-invariant specific quay crane assignment using a mixed-integer model

Yan Zhou¹, Xu Cheng², Yu Cao³

¹School of Computer Science and Engineering, Guangzhou Institute of Science and Technology, Guangzhou, 510540, China.

Scientific Reports

|July 5, 2026

Summary

This summary is machine-generated.

This study optimizes container terminal operations by integrating berth allocation and specific quay crane assignment. The developed greedy genetic algorithm efficiently generates high-quality schedules, improving vessel turnaround times.

Keywords:

Ablation experiment Container terminal Continuous berth allocation Greedy genetic algorithm Mixed-integer programming Specific quay crane assignment

Related Experiment Videos

Area of Science:

Maritime Logistics
Operations Research
Port Management

Background:

Container terminals face increasing pressure from vessel traffic and limited capacity.
Efficient resource coordination is crucial for terminal performance.

Purpose of the Study:

To develop an integrated optimization model for continuous berth allocation and specific quay crane assignment.
To minimize total vessel port time by explicitly assigning quay cranes.

Main Methods:

Formulation of a mixed-integer programming model.
Development of a greedy genetic algorithm with specialized components (initialization, feasibility checking, repair).
Validation using real-world data and synthetic instances.

Main Results:

The proposed greedy genetic algorithm achieves high-quality, feasible schedules within practical computation times.
Ablation studies confirm the effectiveness of greedy initialization and repair mechanisms.
The repair mechanism significantly enhances solution quality and stability.

Conclusions:

The integrated approach is effective for complex seaside scheduling problems.
Explicit quay crane identity decisions and fast feasible schedule generation are key benefits.
The method is suitable for real-world container terminal operations.