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首页> 外文会议>78th Annual Meeting of the Transportation Research Board in January 1999 >Initial Evaluations of New TRANSYT-7f Version 8.1 Program
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Initial Evaluations of New TRANSYT-7f Version 8.1 Program

机译：新的TRANSYT-7f版本8.1程序的初始评估

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摘要

Recently released TRANSYT-7F version 8.1 was found to provide significant feature improvements such as multiple-cycle simulation, spill-back effects, and optimization for oversaturated conditions. An overview of these new features compared with features of the previous version is presented. A comparison between the new TRANSYT-7F version 8.1 and the previous version 7.2 for oversaturated, closely spaced intersections is based on CORSIM simulations. The comparison results show that the new TRANSYT-7F program outperforms the previous one in terms of average delay, queue time, and throughput for oversaturated conditions, but results for undersaturated conditions were similar. The results indicate the queue-blocking algorithm and mutliple-cycle simulation recently added to TRANSYT-7F are essential for traffic signal optimization during oversaturated conditions.
机译：发现最近发布的TRANSYT-7F版本8.1提供了显着的功能改进，例如多周期仿真，溢出效应以及针对过饱和条件的优化。介绍了这些新功能与以前版本功能的概述。对于新的TRANSYT-7F版本8.1和先前的版本7.2，针对过饱和，紧密间隔的交叉点进行了比较，该比较基于CORSIM仿真。比较结果表明，对于过饱和条件，新的TRANSYT-7F程序在平均延迟，排队时间和吞吐量方面都优于前一个程序，但对于不饱和条件，结果却相似。结果表明，最近添加到TRANSYT-7F的队列阻塞算法和多周期仿真对于过饱和条件下的交通信号优化至关重要。

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