Research Article

Multidepot Recycling Vehicle Routing Problem with Resource Sharing and Time Window Assignment

Table 6

Parameter values utilized in the computational experiments.

NotationDefinition

β1Coefficient of spatial distance
β2Coefficient of temporal distance
QsMaximum capacity of the semitrailer truck
Maximum capacity of vehicle
UsUsage cost of the semitrailer truck (unit: dollar/km)
Usage cost of vehicle (unit: dollar/km)
MsAnnual MC of the semitrailer truck
Annual MC of the vehicle
μePenalty cost for early arrival per unit time
μdPenalty cost for delayed arrival per unit time
μaAC per unit time
WNumber of working days in one planning period
BNumber of planning periods in one year
FL1Fixed cost of RC1
FL2Fixed cost of RC2
FL3Fixed cost of RC3
FL4Fixed cost of RC4
FL5Fixed cost of RC5
PopsizePopulation size
NmaxMaximum number of generations runs
RmaxMaximum number of runs
spSelection probability
cpCrossover probability
mpMutation probability