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首页> 外文会议>COTA international conference of transportation professionals >Operation Efficiency and Safety Analysis of Integrated Ramp Metering and Mainstream Traffic Flow Control via Variable Speed Limits on Freeway
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Operation Efficiency and Safety Analysis of Integrated Ramp Metering and Mainstream Traffic Flow Control via Variable Speed Limits on Freeway

机译：高速公路可变限速集成匝道计量与主流交通流量控制的运营效率和安全性分析

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The primary objective of this paper is to analyze freeway operation efficiency and safety of integrated control strategy. The simulation parameters are calibrated and validated using collected data on southbound I-880 freeway in California, the United States. The integrated control is estimated using cascade feedback of mainstream traffic flow control (MTFC-VSL) via variable speed limit. And the application of ramp metering (RM) is connected using specifically developed split-range-like scheme. The integrated control strategy is implemented through VISSIM. The results show that the integrated control had a 41.5% improvement in total travel time (TTT) over the no-control case. Moreover, about 59.8% of total conflicts are reduced by the integrated control strategy than the no-control case. Thus, it is beneficial to well understanding the mechanism of integrated control strategy and using it in practical implementation.
机译：本文的主要目的是分析高速公路的运行效率和综合控制策略的安全性。使用美国加利福尼亚州I-880高速公路南行的收集数据对模拟参数进行校准和验证。使用主流交通流控制（MTFC-VSL）的级联反馈通过可变速度限制来估算集成控制。并使用专门开发的类似分段范围的方案来连接斜坡计量（RM）的应用。集成控制策略是通过VISSIM实施的。结果表明，与没有控制的情况相比，集成控制的总行驶时间（TTT）改善了41.5％。而且，与没有控制的情况相比，综合控制策略减少了约59.8％的总冲突。因此，有利于很好地理解集成控制策略的机制，并在实际应用中加以运用。

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