用Transputer多机系统研究重载 列车动力学的探讨

A STUDY ON HEAVY TRAIN DYNAMICS BY MEANS OF THE MULTI-TRANSPUTER SYSTEM

计算机的计算速度是当前重载列车动力学研究中面临的一个十分突出的问题。本文以列车纵向动力学分析为对象,讨论其在Transputer网络中快速、实时地计算所需解决的处理机任务分配、拓扑结构设计和并行处理程序设计等问题,并对不同处理机个数的Transputer网络、不同车辆数目的列车纵向动力学计算进行实验研究。研究结果表明,Transputer多机系统在进行列车动力学计算时运行速度很快、实时处理能力强,并且系统并行处理效率高、可扩充性强,可作为今后重载列车动力学研究的一种计算工具。此外,实验研究也指出了开发和应用Transputer多机系统所需要进一步开展的工作。

The running speed of computers is a sensible problem faced in the present study of heavy train dynamics. In this paper, some issues such as the assignmement of tasks for processors, the design of topology and the parallel processing programming, which shoud be solved for a transputer network to calculate fast and in real time, are discussed. In addition,experimental researches are carried out on the computation about the longitudinal dynamics for trains of different numbers of vehicles in transputer networks of different numbers of processors. The results show that the system can run very quickly and quite in real time,the efficiency of multi-computer parallel processing is high,and the system is extendable. So it can be used as a computing tool for the study of train dynamics. Moreover, further works in the development and application of multitransputer systems have been brought out from the experimental ressarches.