【摘要】 人们对于轨道交通的计算机仿真问题进行了较多的研究,但尚存不足之处。为此,提出了一种用于轨道交通仿真的虚坡模型。其中,列车的速度由局部环境决定,即通过所考虑列车的前方列车号、它到前方列车的距离、对应位置上的虚坡宽度以及车和前方列车的最大速度等因素确定。进而在此模型的计算中提出了一种二重迭代法。其中第一重迭代用于确定列车的新的前方列车和分水岭时刻,第二重迭代用于克服时间步末位置和速度的耦合关系。车站对于将进站停靠列车的减速作用由一个假想静止列车模拟。对实例进行了计算,结果表明上述模型是有效的。它可被用于计算列车运行图和时刻表。更多还原

【Abstract】 A lot of research work has been done in the simulation of rail transit.But there are still a lot of shortcomings.The paper proposes a virtual slope model for rail transit simulation.In this model,the speed of each train is determined according to its local environment which is expressed by the identifying number of the leading train,the distance between the considered train and its leading train,the width of the virtual slope,the maximum speed of the trains and other related factors.Further a double iteration method is proposed.The first iteration is performed to calculate the identifying number of the new leading train and the new ridge instant at which the leading train changed.The second iteration is performed to de-couple the relation between the speed and the position of the considered train.The slowing down action of a coming train is simulated with a virtual static train.An example has been calculated with the proposed model.The results show that it is valid.更多还原