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Empirical Validation of Network Learning with Taxi GPS Data from Wuhan, China
IEEE Intelligent Transportation Systems Magazine ( IF 3.6 ) Pub Date : 2021-01-01 , DOI: 10.1109/mits.2020.3037324
Susan Jia Xu , Qian Xie , Joseph Y.J. Chow , Xintao Liu

In prior research, a statistically cheap method was developed to monitor transportation network performance by using only a few groups of agents without having to forecast the population flows. The current study validates this "multi-agent inverse optimization" method using taxi GPS probe data from the city of Wuhan, China. Using a controlled 2062-link network environment and different GPS data processing algorithms, an online monitoring environment is simulated using the real data over a 4-hour period. Results show that using only samples from one OD pair, the multi-agent inverse optimization method can learn network parameters such that forecasted travel times have a 0.23 correlation with the observed travel times. By increasing to monitoring from just two OD pairs, the correlation improves further to 0.56.
更新日期:2021-01-01
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