摘要
安全制动曲线计算模型是CBTC(基于通信的列车控制)车载ATP(列车自动防护)的关键技术。影响该模型计算精度的因素有许多,其中列车长度是最基本也是不能忽略的因素之一。在分析了GEBR(最小紧急制动率)制动曲线与ATP紧急制动触发曲线关系的基础上,考虑了列车长度在附加阻力计算中的影响,将列车模型构造为由多个质点构成的质点链,建立了基于车长的CBTC车载ATP安全制动曲线计算模型。采用B型6节编组列车运行环境对该模型进行仿真。仿真结果表明,多质点列车计算模型比单质点计算模型更符合车载ATP安全制动模型的要求。
Safe braking curve model is the key technology of the on-board ATP in CBTC.Various factors could influence this computational mode,and train length is one of the basic and non-ignorable factors.After analyzing the relationship between GEBR braking curve and ATP emergency brake triggering curve,and regarding the train mode as a dynamic chain made of multiple particles,the influence of train length on its adjunctive resistance is considered,the computational model of safe braking curve of on-board ATP in CBTC is established based on the train length.The model is simulated in the condition of 6 marshalling B-type vehicles,and the result proves that the multi-particle model is better than the single-particle model,and could meet the requirements for safe braking model of on-board ATP.
出处
《城市轨道交通研究》
北大核心
2015年第4期47-50,共4页
Urban Mass Transit
关键词
车载列车自动防护
GEBR制动曲线
紧急制动触发曲线
多质点模型
on-board ATP(automatic train protection)
GEBR(guaranted emergency break rate)braking curve
e-mergency brake triggering curve
multi-particle model
