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在城市轨道交通系统中,信号系统是保障运输安全与提高运营效率的重要设备,具有十分重要的地位。近几年来,我国轨道交通实行“小编组、高密度”的运输组织模式,已经开始采用了先进的移动闭塞信号系统,以北京市轨道交通亦庄线工程为例,阐述了移动闭塞技术原理,分析了移动闭塞方式和固定闭塞方式之间的不同,论述了移动闭塞的优越性,指出了移动闭塞是城市轨道交通信号系统的发展方向。
In the urban rail transit system, the signal system is an important equipment to ensure the safety of transportation and improve the operational efficiency, which is of great importance. In recent years, China’s rail transit implementation of “Xiaobian group, high-density” transport organization model, has begun to use advanced mobile blocking signal system to Beijing Rail Transit Yizhuang project as an example, described the mobile blocking technology The principle of mobile occlusion and fixed occlusion are analyzed. The superiority of mobile occlusion is discussed. It is pointed out that mobile occlusion is the development direction of urban rail transit signal system.