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China high-speed railway has achieved remarkable achievements all over the world. On August 1 of 2008, the first China high-speed railway, Beijing-Tianjin intercity railway, with a speed of 350 km/h was operated. By the end of 2018, the operation mileage of highspeed railway is 29,000 kilometers, accounted for more than 2/3 of the total mileage all over the world, and has transported more than 9 billion passengers. China has become the world’s high-speed railway country with the longest operation mileage, the highest transport density, and the most complex operating scenarios. In 2018, there are 2811 high-speed trains all over China. The average number of operating high-speed trains per day are 2186, the average operation mileage per day is 3.88 million kilometers, and the largest number of passengers per day reach 8.10 million, ranking first in the world. The data shows that high-speed trains have become main means of transportation for 1.3 billion Chinese people. From 2008 to 2018, the growth trend of the operating mileage, the total number of trains, the average operating number and the mileage of trains per day are shown in Fig.1. As it can be seen from the figure, the scale of China high-speed railway is steadily increased year by year, it will continue to expand in the future. China is the country with the longest high-speed railway and the largest safe transportation of high-speed railway. ATP (Automatic Train Protection) system is the core system to guarantee the safe operation of high-speed trains. In each train, two sets of ATP system are located at both ends of the train. Through calculating the train speed profile, ATP determines the running speed, the position and the headway towards the preceding train, so as to protect the train from Renwei KANG Junfeng WANG Jianfeng CHENG Jianqiu CHEN Yanzhi PANG

Intelligent Forecasting of Automatic Train Protection System Failure Rate in China High-speed Railway