目的 提升集装箱空间适配性与堆垛稳定性,降低粮食运输中的空间浪费及包装损耗,针对现有集装箱装载存在的空间利用率低、包装损耗率高等问题,通过改进包装策略与算法,实现粮食集装箱运输效益与效率的同步提升。方法 提出以包装尺寸动态优化为核心构建循环包装系统优化框架。基于体积不变,使用网格搜索调整长宽高组合生成海量包装方案,采用贪心策略改进二维首次适应算法(First-Fit Decreasing Algorithm,FFD),结合三维堆叠策略生成较优装箱方案,并通过设计启发式蚁群协同驱动混合算法(Heuristic Ant Colony Collaborative Driven Hybrid Algorithm,HACO-CD),引入相关指数构建信息素浓度迭代机制,实现装载方案与运输损耗联合优化。结果 基于5类粮食的20英尺集装箱仿真显示,HACO-CD算法使平均空间利用率从84.88%提升至94.17%。结论 HACO-CD算法显著提升了集装箱空间适配性与包装循环效率,为粮食运输智能化与循环经济发展提供了技术支撑。
Abstract
The work aims to enhance container space adaptability and stacking stability and reduce space waste and packaging losses in grain transportation. To address issues such as low space utilization and high packaging damage rates in existing container loading methods, improvements will be put forward to packaging strategies and algorithms to simultaneously boost the efficiency and effectiveness of grain container transportation. A circular packaging system optimization framework centered on dynamic packaging size optimization was proposed. Under the constraint of constant volume, a grid search method was employed to generate extensive packaging schemes by adjusting length-width-height combinations. The two-dimensional First-Fit Decreasing Algorithm (FFD) was enhanced through greedy strategies, integrated with three-dimensional stacking strategies to produce near-optimal loading plans. Furthermore, a Heuristic Ant Colony Collaborative Driven Hybrid Algorithm (HACO-CD) was designed, which incorporated correlation indices to construct a pheromone concentration iteration mechanism, achieving joint optimization of loading schemes and transportation loss. The simulations based on five types of grain in 20-foot containers demonstrated that the HACO-CD algorithm increased average space utilization from 84.88% to 94.17%. The HACO-CD algorithm significantly enhances container space adaptability and packaging recycling efficiency, supporting intelligent grain transportation and circular economy development.
关键词
集装箱装载 /
包装尺寸优化 /
启发式算法 /
智能优化算法 /
绿色物流
Key words
container loading /
optimization of packaging size /
heuristic algorithm /
intelligent optimization algorithm /
green logistics
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基金
北京物资学院2025年研究生科创项目资助(BWUYKC-18)