Railway logistics yard container handling equipment scheduling method and device

By optimizing the initial layout and scheduling methods of loading and unloading equipment at railway logistics stations, and combining multi-level optimization strategies, the resource conflict and path interference problems in multi-track gantry crane scheduling were solved, achieving equipment load balancing and improved operational efficiency, and overcoming the local optima and premature convergence defects of existing algorithms.

CN121481028BActive Publication Date: 2026-05-26INST OF COMPUTING TECH CHINA ACAD OF RAILWAY SCI +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF COMPUTING TECH CHINA ACAD OF RAILWAY SCI
Filing Date
2025-09-28
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In railway logistics yards, existing technologies for multi-track gantry crane scheduling face challenges such as track resource conflicts, path interference, uneven task loads, and the complexities brought about by dynamic changes. Traditional scheduling methods struggle to balance multiple objectives and constraints, while intelligent optimization algorithms are unstable under initial position assumptions and are prone to getting trapped in local optima.

Method used

A tabu search-pull hypercube hybrid strategy is adopted to optimize the initial layout of loading and unloading equipment. Combining the five-layer optimization approach of encoding-decoding-fitness evaluation-genetics-local reinforcement, the candidate scheduling scheme is optimized through the earliest feasible insertion heuristic and elite retention and adaptive crossover mutation mechanism to meet the constraints of operation timeliness, equipment load balance and track interference.

Benefits of technology

It significantly improves global search capability and local convergence accuracy, optimizes operation time and resource utilization, enhances the operation efficiency and resource utilization level of railway logistics stations, and solves the problems of premature convergence and slow convergence in traditional scheduling methods.

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Abstract

This invention provides a method and apparatus for scheduling container loading and unloading equipment in a railway logistics yard. The method includes: assigning container loading and unloading tasks near the respective layout locations of multiple loading and unloading equipment in the railway logistics yard to each equipment, obtaining multiple local task information for each equipment, and encoding the allocation information for each equipment corresponding to the global task information to obtain a task sequence and a corresponding allocation sequence for each equipment; decoding the task sequence and the corresponding allocation sequence for each equipment to obtain task grouping information, and using the earliest feasible insertion to determine the order of multiple local tasks corresponding to each equipment that meets the constraints in each task grouping information to obtain multiple candidate scheduling schemes; iterating multiple times on the multiple candidate schemes to output a target scheduling scheme to schedule multiple loading and unloading equipment and complete all container loading and unloading tasks, wherein each iteration includes fitness evaluation, genetics, local reinforcement, and constraint judgment.
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