期刊
SENSORS
卷 17, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/s17030486
关键词
high-speed train safety; vigilance detection; wireless wearable; brain-computer interface; fatigue detection system
资金
- National Natural Science Foundation of China [51675451]
- Science and Technology Projects of Sichuan and Chengdu [2016GZ0026,, 2017RZ0056, 2015-HM01-00338-SF]
- Fundamental Research Funds for the Central Universities [2682016ZDPY03]
The vigilance of the driver is important for railway safety, despite not being included in the safety management system (SMS) for high-speed train safety. In this paper, a novel fatigue detection system for high-speed train safety based on monitoring train driver vigilance using a wireless wearable electroencephalograph (EEG) is presented. This system is designed to detect whether the driver is drowsiness. The proposed system consists of three main parts: (1) a wireless wearable EEG collection; (2) train driver vigilance detection; and (3) early warning device for train driver. In the first part, an 8-channel wireless wearable brain-computer interface (BCI) device acquires the locomotive driver's brain EEG signal comfortably under high-speed train-driving conditions. The recorded data are transmitted to a personal computer (PC) via Bluetooth. In the second step, a support vector machine (SVM) classification algorithm is implemented to determine the vigilance level using the Fast Fourier transform (FFT) to extract the EEG power spectrum density (PSD). In addition, an early warning device begins to work if fatigue is detected. The simulation and test results demonstrate the feasibility of the proposed fatigue detection system for high-speed train safety.
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