高速公路连续合并区域的协调控制框架,考虑到交通风险和能源消耗
Weihua Zhang1, Fan Zhang1, Zhongxiang Feng1
1School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei 230009 China.
Accident; analysis and prevention
|January 22, 2025
概括
本研究介绍了高速公路合并区域的协调控制模型,以减少碰撞和拥堵风险. 新的框架显著提高了高速公路上的交通安全和效率.
科学领域:
- 交通工程是交通工程.
- 运输科学 运输科学
- 运营研究 运营研究
背景情况:
- 高速公路的连续融合区域具有多个坡道,呈现出复杂的交通动态,导致频繁的撞车和拥堵.
- 现有的活跃交通管理 (ATM) 策略,如变速限制 (VSL) 和坡道计量 (RM),通常独立解决这些问题.
- 在合并地区的整体风险减轻方面,协调VSL和RM的综合方法尚未得到充分探索.
研究的目的:
- 开发和评估一个新的双级编程模型,用于协调VSL和RM控制策略.
- 在高速公路连续合并区域全面减轻交通风险,包括碰撞和拥堵风险.
- 提高交通安全,提高运营效率,降低能源消耗.
主要方法:
- 开发双层编程模型:上层用于VSL控制 (尽量减少碰撞风险,拥堵风险,能源消耗),下层用于RM控制 (尽量减少坡道拥堵风险,能源消耗).
- 使用扩展的细胞传输模型 (CTM) 来模拟VSL和RM控制下的流量.
- 整合了交通风险评估模型与双层协调控制模型.
主要成果:
- 协调控制框架显著降低了14.10%的平均撞车风险 (ACR).
- 显示平均主线拥堵风险 (AMCI) 减少了19.52%,平均能源消耗 (AEC) 减少了8.86%.
- 拟议的方法在提高高速公路安全性和效率方面优于现有的控制策略.
结论:
- 双级编程模型有效地协调VSL和RM,以管理高速公路合并区域的风险.
- 开发的框架为交通安全,效率和能源消耗提供了显著的改善.
- 对于高速公路上的积极和协调的交通管理系统的潜在应用.
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