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准高速旅客列车速度分级控制系统是准高速铁路保证列车安全高效运行的重要技术装备。该系统的主要功能为:接收地面信号,向司机提供速度显示;列车正常运行时由司机驾驶,当列车超速时设备予以报警,并以常用制动为主要方式控制列车减速或停车;当列车速度低于目标速度后允许司机缓解。 系统的关键技术是,应用微机技术、信号数字化处理技术及系统工程理论,研制出高可靠的、符合信号设备故障安全原则的机车信号接收设备及列车制动控制装置。
Quasi-high-speed passenger train speed classification control system is quasi-high-speed railway to ensure safe and efficient operation of the train the important technical equipment. The main functions of the system are as follows: receiving the ground signal and providing the driver with a speed display; when the train is in normal operation, the driver drives the train, when the train is overdriving, the equipment gives an alarm and controls the train to decelerate or stop using the common braking as the main mode; Allowing drivers to ease below target speed. The key technology of the system is the application of microcomputer technology, digital signal processing technology and system engineering theory to develop a high-reliability locomotive signal receiving device and a train brake control device which are in line with the fail-safe principle of signal equipment.