既有设施限制的铁路物流园区功能区布局方法
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朱晔(1975—),女,讲师,博士,硕士研究生导师,研究方向为物流系统规划等。E-mail:zhuye@tongji.edu.cn

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U29-3

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上海市自然科学基金项目(19ZR1460800)


Function Area Layout Design of Railway Logistics Park Considering Existing Facilities Restriction
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    摘要:

    从既有铁路货运设施升级改造成铁路物流园区的实际需求出发,分析铁路物流园区的主要功能和功能区布局要求,以货物搬运总成本最小和功能区总关联度最大为优化目标,综合考虑既有铁路货运设施限制、功能区长度、形状、方向要求和出入口设置等约束条件,基于功能区间实际走行距离,建立多目标铁路物流园区功能区布局优化模型。 基于 NSGA-Ⅱ改进设计求解算法,以布局结果对约束条件的满足程度设计连续罚因子,将约束条件转化为目标函数惩罚值,在此基础上,引入二叉树编码序列和多种变异方式,设计的算法能有效避免陷入局部最优。 通过案例分析验证算法具有较高的求解精度,所得布局方案合理可行。

    Abstract:

    The planning of railway logistics park is mostly upgraded from the existing railway freight facilities. Following the analysis of the main functions and the requirements of the railway logistics parks layout planning, an optimization functional areas layout model is proposed to minimize transshipment costs and maximize relevance, considering the constraints of existing railway freight facilities, functional area length, shape, direction requirements, and entrance and exit settings. Route-based distance is adopted in the model. Based on the NSGA- Ⅱ algorithm, the continuous penalty factor is designed according to the satisfaction of the layout result for the constraint condition, and the constraint condition is converted into the objective function penalty value. On this basis, the slice tree coding sequence and multiple mutation methods are introduced, and the algorithm can effectively avoid falling into the local optimum. Case analysis demonstrates that the algorithm is effective and has high solution accuracy, and the layout scheme is reasonable.

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朱晔,上官一丹.既有设施限制的铁路物流园区功能区布局方法[J].华东交通大学学报,2022,39(6):45-55.

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  • 在线发布日期: 2022-12-15
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