Research Article

Research on the Distribution of Emergency Supplies during the COVID-19 Epidemic

Table 3

Comparison of solution results of 9 optimization algorithms.

SourceAlgorithmAverage path lengthOptimal path lengthOptimal number of vehiclesOptimal distribution solution

Jian et al. [38]Simple genetic algorithm1611.4741463.82370-17-8-16-0, 0-4-12-19-13-0, 0-18-3-2-0, 0-1-11-15-0, 0-6-9-0, 0-10-20-0, and 0-7-5-14-0
Simulated annealing algorithm based on or-opt1219.9311190.18160-7-3-14-0, 0-10-17-2-0. 0-18-5-11-0, 0-12-19-20-13-6-0, 0-15-4-9-0, and 0-1-8-16-0
Hybrid genetic algorithm1159.7031159.22960-10-20-17-2-0, 0-18-3-11-0, 0-15-4-9-0, 0-7-5-14-0, 0-1-16-8-0, and 0-12-19-6-13-0

Yin and Zhang [28]Basic bat algorithm1404.41290.680-18-3-4-0, 0-6-13-0, 0-8-16-0, 0-1-14-0, 0-10-2-17-0, 0-9-15-0, 0-12-19-20-0, and 0-7-11-5-0
Elite genetic hybrid bat algorithm1170.01136.670-10-13-20-0, 0-8-16-0, 0-12-19-6-0, 0-7-15-4-0, 0-1-2-17-0, 0-18-5-9-0, and 0-3-11-14-0
Multipoint recombination elite hybrid bat algorithm1162.31105.960-3-11-14-0, 0-1-16-0, 0-18-7-5-15-0, 0-20-13-10-19-0, 0-12-4-9-0, and 0-8-2-17-6-0
Single-point recombination elite hybrid bat algorithm1163.11090.260-4-15-9-0, 0-11-14-3-0, 0-18-7-5-0, 0-12-19-6-13-0, 0-1-16-8-0, and 0-10-20-17-2-0

Chen et al. [36]Variable neighborhood search algorithm1020.751004.3260-10-20-17-2-0, 0-7-5-14-0, 0-4-15-9-0, 0-18-11-3-0, 0-1-16-8-0, and 0-12-19-6-13-0

This paperBOSA1005.011004.3260-12-19-6-13-0, 0-4-15-9-0, 0-18-11-3-0, 0-10-20-17-2-0, 0-7-5-14-0, and 0-1-16-8-0