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Based on kalman filtering theory, a improved Kalman filter short-term prediction model is put forward and the solving process is presented after the characteristic analysis of rail transit platform. The data acquisition and example analysis are carried out on the island platform, side platform, common platform and transfer platform with large passenger flow and obvious change of passenger flow in Beijing. The results show that the average absolute error of the model is 0.299, the mean square error is 34.094, and the equal coefficient is 0.923, which reveals that the proposed model can effectively predict the short-term subway passenger flow. Compared with the traditional Kalman filtering prediction method, the improved Kalman filter short-term passenger flow forecasting method can improve the real-time information of prediction, reduce the average absolute error by 0.448, and has higher prediction accuracy. © 2017, Editorial Department of Journal of Wuhan University of Technology. All right reserved.
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