Accurate and timely short‐term traffic flow forecasting is an essential component for intelligent traffic management systems. However, developing an effective and robust forecasting model is challenging due to the inherent randomness and nonlinear characteristic of the traffic flow. In this paper, a gravitational search algorithm optimized extreme learning machine, termed GSA‐ELM, is proposed to unlock the potential performance for short‐term traffic flow forecasting. The extreme learning machine avoids the tedious backpropagation by analytically determining the optimal solution. The gravitational search algorithm globally searches the optimal parameters for the extreme learning machine. The forecasting performance of the GSA‐ELM is evaluated on four benchmark datasets by comparing several state‐of‐the‐art models. The four benchmark datasets are real‐world traffic flow data from highways A1, A2, A4, A8 near the ring road of Amsterdam. The MAPEs of the GSA‐ELM model are , , and on four benchmark datasets, respectively, whereas the RMSEs of the GSA‐ELM model are 287.89, 203.04, 221.39 and , respectively. The experimental results demonstrate the superior performance of the proposed model.
GSA‐ELM: A hybrid learning model for short‐term traffic flow forecasting
IET Intelligent Transport Systems ; 16 , 1 ; 41-52
2022-01-01
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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