Table 1.
List of acronyms.
Table 2.
Summary of consistent-VRP review.
Table 3.
Summary of frameworks for VRP variants.
Table 4.
Summary of model framework.
Table 5.
Instance structure Group A.
Table 6.
Instance structure Group B.
Fig 1.
Spatial distribution of customers—Group A—Centered depot.
Fig 2.
Spatial distribution of n = 16 customers—Group C—Centered depot.
Fig 3.
Spatial distribution of customers—Group B—Centered depot.
Table 7.
Experimental design for each number of visits.
Table 8.
Gurobi parameter tunning.
Table 9.
Experimental results ω = 30 visits (Group A).
Table 10.
Experimental results ω = 20 visits (Group A).
Table 11.
Experimental results ω = 60 visits (Group B).
Table 12.
Experimental results ω = 40 visits (Group B).
Table 13.
Experimental results ω = 20 visits (Group B).
Table 14.
Experimental results ω = 12 visits (Group B).
Table 15.
Experimental results n = 20 customers (Group C).
Table 16.
Experimental results n = 16 customers (Group C).
Table 17.
Two-sample mean test p values of comparison of gaps for additional constraints (28), (30), and (31).
Fig 4.
Main effects plots for gap (fitted means).
Groups A and B, respectively.
Fig 5.
Interaction plots of significant factors.
Groups A and B, respectively.