A Kind of Urban Road Travel Time Forecasting Model with Loop Detectors | Zendy

Guangyu Zhu | Zendy; Li Wang | Zendy; Peng Zhang | Zendy; Kang Jik Song | Zendy

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A Kind of Urban Road Travel Time Forecasting Model with Loop Detectors

Author(s) -

Guangyu Zhu,

Li Wang,

Peng Zhang,

Kang Jik Song

Publication year - 2016

Publication title -

international journal of distributed sensor networks

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.324

H-Index - 53

eISSN - 1550-1477

pISSN - 1550-1329

DOI - 10.1155/2016/9043835

Subject(s) - computer science , autoregressive integrated moving average , preprocessor , detector , traffic flow (computer networking) , data mining , travel time , point (geometry) , data pre processing , real time computing , time series , artificial intelligence , transport engineering , machine learning , telecommunications , geometry , computer security , mathematics , engineering

Urban road travel time is an important parameter to reflect the traffic flow state. Besides, it is one of the important parameters for the traffic management department to formulate guidance measures, provide traffic information service, and improve the efficiency of the detectors group. Therefore, it is crucial to improve the forecast accuracy of travel time in traffic management practice. Based on the analysis of the change-point and the ARIMA model, this paper constructs a model for the massive data collected by loop detectors to forecast travel time parameters. Firstly, the preprocessing algorithm for the data of loop detectors is given, and the calculating model of the travel time is studied. Secondly, a change-point detection algorithm is designed to classify the sequence of large number of travel time data items into several patterns. Then, this paper establishes a forecast model to forecast travel time in different patterns using the improved ARIMA model. At last, the model is verified by simulation and the verification results of several groups of examples show that the model has high accuracy and practicality.

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