Title
Using Reinforcement Learning to Minimize the Probability of Delay Occurrence in Transportation
Abstract
Reducing traffic delay is of crucial importance for the development of sustainable transportation systems, which is a challenging task in the studies of stochastic shortest path (SSP) problem. Existing methods based on the probability tail model to solve the SSP problem, seek for the path that minimizes the probability of delay occurrence, which is equal to maximizing the probability of reaching the destination before a deadline (i.e., arriving on time). However, they suffer from low accuracy or high computational cost. Therefore, we design a novel and practical Q-learning approach where the converged Q-values have the practical meaning as the actual probabilities of arriving on time so as to improve the accuracy of finding the real optimal path. By further adopting dynamic neural networks to learn the value function, our approach can scale well to large road networks with arbitrary deadlines. Moreover, our approach is flexible to implement in a time dependent manner, which further improves the performance of returned path. Experimental results on some road networks with real mobility data, such as Beijing, Munich and Singapore, demonstrate the significant advantages of the proposed approach over other methods.
Year
DOI
Venue
2020
10.1109/TVT.2020.2964784
IEEE Transactions on Vehicular Technology
Keywords
DocType
Volume
Reinforcement learning,transportation,arriving on time,vehicle routing,Q-learning
Journal
69
Issue
ISSN
Citations 
3
0018-9545
3
PageRank 
References 
Authors
0.37
0
7
Name
Order
Citations
PageRank
zhiguang cao16811.12
Hongliang Guo2687.48
Wen Song3306.68
Kaizhou Gao434530.78
Chen Zhenghua514110.59
Le Zhang6979.97
Xuexi Zhang762.78