公交車輛到站時間預測方法研究
[Abstract]:The arrival time of public transport vehicles is one of the important embodiment of bus intelligence. Improving the precision of bus arrival time prediction can improve the level of public transport services, ease traffic congestion, and reduce passenger travel costs. Realizing the informationization of public transportation system has an important role to promote. Firstly, the paper analyzes the principle, method and characteristics of bus operation data collection, and designs GPS data interpolation algorithm and bus line discretization algorithm to deal with bus operation data. Based on the analysis of the factors affecting the running process and arrival time of public transport vehicles, the station stop time and the average driving speed of the interval are taken as input variables, and the algorithm to obtain the input variables is designed. Secondly, the paper takes the stop time and the average speed of the interval as input variables, and establishes the arrival time prediction model based on interval length (Statistical Method Bus Arrival Time Prediction Model Based on Interval Length,SMBATP-IL). Based on interval length Kalman filter arrival time prediction model (Kalman.Filter Bus Arrival Time Prediction Model Based on Interval Length,KFBATP-IL) and particle filter arrival time prediction model based on interval length (Particle Filter Bus Arrival Time Prediction Model Based on Interval Length,PFBATP-IL). The specific flow and steps of the algorithm are designed. The PFBATP-IL model is taken as an example to prove the feasibility of the proposed prediction method and model. Finally, two bus routes in Beijing are selected for empirical analysis. The average absolute error (MAE) is taken as the index to measure the predicted results. The three times of early peak (8:00), Pingfeng (11:00) and late peak (17:00) are selected. Under the conditions of different interval length (10m ~ 20m ~ 30m), the arrival time is predicted by using the model established in this paper. The results show that different interval lengths have the least influence on PFBATP-IL model, followed by KFBATP-IL model, and have the greatest influence on the prediction results of SMBATP-IL model. Under the condition of optimal interval length, the prediction results of PFBATP-IL model are optimal, which are improved by 16.86% and 28.46%, respectively, compared with those of KFBATP-IL model and SMBATP-IL model.
【學位授予單位】:北京交通大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:U491.17
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