The popularity of fresh e-commerce and cold chain home delivery makes the cold chain logistics orders present the characteristics of"small batch,multi batch,perishable",which further increases the necessity and difficulty of urban cold chain logistics distribution path optimization.Considering both customer satisfaction and road congestion,this paper constructs a mathematical model of cold chain vehicle routing optimization to minimize the total cost.In order to solve this problem,a new knowledge-based ant colony algorithm is designed by integrating the tabu search operator under the knowledge...
