Journal of Jilin University(Engineering and Technology Edition) ›› 2026, Vol. 56 ›› Issue (2): 464-472.doi: 10.13229/j.cnki.jdxbgxb.20240868

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Distributionally robust optimization for drone delivery facility location and allocation problem

Kang-lin LIU1(),Ze-yu ZHANG1,Jing-wen JIANG1,Xun GONG2,Yao CHEN1()   

  1. 1.School of Traffic and Transportation,Beijing Jiaotong University,Beijing 100044,China
    2.School of Artificial Intelligence,Jilin University,Changchun 130015,China
  • Received:2024-08-03 Online:2026-02-01 Published:2026-03-17
  • Contact: Yao CHEN E-mail:klliu@bjtu.edu.cn;chenyao@bjtu.edu.cn

Abstract:

This paper focuses on the urban last-mile delivery process under the drone service model, optimizing drone delivery facility location and service allocation strategies through a two-stage mathematical programming model. The impact of demand uncertainty on location-allocation decisions is characterized using a distributionally robust optimization method. The original model is equivalently transformed into a mixed-integer second-order cone programming problem, and an outer approximation algorithm is proposed to improve solving efficiency. Simulation verification is conducted based on the pharmaceutical delivery data in Songjiang District, Shanghai. The results indicate that the proposed outer approximation algorithm can reduce the computational time of commercial solvers by 32.07%; compared with the deterministic model, the proposed distributionally robust optimization model can increase the system's total profit by 4.21 times when demand is highly volatile.

Key words: transportation planning and management, drone delivery, facility location-allocation, demand uncertainty, distributionally robust optimization, outer approximation, low-altitude economy

CLC Number: 

  • F252.3

Fig.1

Decision diagram for facility location of delivery facilities, drone allocation, and determination of service boundaries"

Table 1

Explanation of symbols"

类型符号含 义
参数m备选设施总数
n需求点总数
r无人机总数
I所有备选配送设施位置的集合,iI,i=1,2,?,m
J所有需求点的集合,jJ,j=1,2,?,n
K所有可用无人机的集合,kK,k=1,2,?,r
L每架无人机的最大飞行里程,单位为km
R每套配送设施允许配备无人机的最大数量
P允许选定配送设施的最大数量
qj需求点j的需求量,单位为kg/d
lij往返配送设施i和需求点j之间的距离,单位为km
ci配送设施i的运营成本,单位为元/d
c0每架无人机的使用成本,单位为元/d
θ满足单位需求所产生的收益,单位为元/kg
η配送服务覆盖率

决策

变量

xi若选定配送设施i,则取1
yij若需求点j分配给配送设施i服务,则取1
zik若无人机k分配给配送设施i,则取1
wijk若配送设施i中的无人机k对需求点j进行配送,则取1

Fig.2

Alternative delivery facilities"

Table 2

Comparison of solution time and solution results"

规模参数求解器遗传算法OAM
mnr求解时间均值求解时间准差求解时间均值求解结果/元求解时间均值求解时间标准差求解结果/元
201051.320.120.3145.240.670.0596.23
301051.610.060.7856.211.280.0669.32
3020534.122.251.84121.5728.711.22143.85
40205173.271.0739.956.52103.491.448.83
402010777.078.22585.6-9.14598.655.3633.89
4030101 135.5312.65114.776.68945.678.318.91
5020102 318.8131.46605.65-52.041 079.1111.2526.68
6030101 910.4727.65603.21-3.021 473.8616.7881.43

Table 3

The specific plans for location selection and allocation"

分布鲁棒模型确定性模型
选定设施序号配备无人机的数目无人机所服务的需求点选定设施序号配备无人机的数目无人机所服务的需求点
23无人机11:123无人机1:3
无人机2:4、14无人机2:4、14
无人机3:6、8无人机3:6、8
103无人机4:2、1033无人机4:1、7
无人机5:12无人机5:16
无人机6:7、16无人机6:2、10
203无人机7:7203无人机7:5
无人机8:11、17无人机8:11、17
无人机9:18、20无人机9:18、20

Fig.3

Experimental results under the deterministic model"

Fig.4

Experimental results under the robust model"

Table 4

Comparison of model running results"

模型类型配送利润/元需求覆盖率/%总利润/元
确定性模型423.54756.54
分布鲁棒模型444.557527.55

Table 5

Sensitivity analysis of the safety factor changes"

λ有效最大飞行里程/km需求覆盖率η/%总利润/元
1.0012.50093.94257.0
1.0511.87590.91228.0
1.1111.25087.88202.0
1.1810.62584.85191.0
1.2510.00081.82167.0

Fig.5

Curve of profit value with the change of ellipsoid set radius and variation coefficient"

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