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通过对一次制动模式曲线列控方式的剖析，阐述了在确定列车追踪时间间隔时传统公式使用平均速度进行计算所存在的弊端，从而提出了利用计算机仿真技术对一次模式曲线列控方式下的追踪时间间隔及其对应模式曲线的生成进行模拟计算，并针对该模拟计算提出了相应的模型与算法；同时，基于追踪时间间隔一般情况下受限于车站到达间隔的事实，对列车进站进行了提前减速的优化设计，并提出了相应的模型流程。最后，针对前述研究作了实例验算。

The Simulating Calculation and Optimization Design of The Tracing Time Interval of Trains in Aim-interval Control Mode

By analyzing essence of trains control style about aim-interval control mode,this paper expatiates on the disadvantage of the conventional formula,which ascertains the tracing time interval of trains basing on average speed.According to the Computer Simulation Technique,the tracing time interval and corresponding mode curve,which is based upon aim-interval control mode,are simulated and calculated with proper models and algorithms which are put forward by this paper.At the same time,considering the fact that the tracing time interval of trains is always enslaved to station arrival interval,this paper has put forward an optimization design method that is based on decelerating ahead of schedule of trains when trains come into the station,and introduced the corresponding model flow.At last,this paper has tested and verified the above model and relative programs with application examples.