Journal of South China University of Technology(Natural Science) >
Study on the Multi-Period Allocation Method of Vehicle Resource in Hybrid Service Mode
Received date: 2023-04-05
Online published: 2023-07-03
Supported by
the National Natural Science Foundation of China(52202378)
Ride-sharing is one of the typical models in the context of the sharing economy. With the advantages of reducing travel costs and carbon emissions, it has occupied an important share in the urban travel market. Vehicle resource allocation is the core link in optimizing carpooling services. To realize the overall management of travel modes, this paper comprehensively considered the influence of multiple travel modes and passengers’ selection behavior on the allocation scheme. Focusing on the supply and demand matching of the mixed travel mode based on ride-sharing travel, the internal correlation between the passenger travel mode selection behavior and the allocation of vehicle resources between regions was analyzed. A passenger-to-driver matching function was introduced to describe the relationship between vehicle supply and passenger demands. Then the passengers’ travel selection behavior was simulated by the Logit model, and an inter-regional resource allocation optimization model was constructed. In solving the optimization model, the allocation problem was divided into two stages: passenger travel mode allocation and vehicle supply allocation. The Lagrangian relaxation and the gradient descent algorithms were integrated to solve the decision-making problems involved in each stage. The solutions of the two stages were updated based on the feedbacks from passenger selection preference and vehicle allocation, so as to establish the regional multi-period traffic resource allocation algorithm. Finally, the resource allocation algorithm was tested by random generation of examples on a road network with 100 sub-regions. Results show that the method proposed in this paper can effectively balance the mobility allocation among regions with mixed travel modes. As the number of ride-sharing vehicles decreased, the decreasing proportion of total revenue increased from 7.32 % to 25.37 %. Compared with the vehicle allocation method based on mileage, the vehicle allocation algorithm proposed in this paper helps to improve the total revenue.
Key words： urban traffic; ride-sharing; resource allocation algorithm; multi-period
SHEN Yutong, LI Ming, CUI Zhiyong, et al . Study on the Multi-Period Allocation Method of Vehicle Resource in Hybrid Service Mode[J]. Journal of South China University of Technology(Natural Science), 2023 , 51(10) : 89 -98 . DOI: 10.12141/j.issn.1000-565X.230182
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