Study on the optimization of the number of entrances in automobile factory based on Queuing Theory

With the rapid development of China's automobile manufacturing industry, more and more automobile enterprises choose to hand over the distribution business of parts and raw materials needed in production to the third-party logistics company to complete. Therefore, whether the import quantity of automobile manufacturing factory is reasonable or not will affect the overall production efficiency and logistics cost. According to the relevant theory of queuing theory, this paper optimizes the entrance configuration strategy of automobile factory, so as to reduce the logistics cost of the factory and improve the operation efficiency of the whole supply chain. According to the cost model of queuing theory, this paper establishes the optimization model of the entrance construction quantity of automobile production factory. Combined with the actual case and specific data, the effectiveness of the model is proved, and the number of entrances to minimize the total cost of the whole system is calculated. The effective configuration of the number of entrances to the factory is realized, which provides some ideas for how to determine the number of entrances in the early establishment of the automobile manufacturing factory.