一个集成的智能交叉路口控制系统,以防止后端和角度撞击:系统设计和部署结果
Yen-Hsiang Chen1, Gang-Len Chang2, Sung Yoon Park3
1Department of Civil Engineering, National Taiwan University, 10617, Taiwan.
Accident; analysis and prevention
|July 24, 2023
概括
增强的综合智能交叉控制系统 (III-CS) 使用动态绿色延伸 (DGE) 来减少后端碰撞. 现场评估显示,DGE在预防交通困境和提高安全方面表现有所改善.
科学领域:
- 智能运输系统 智能运输系统
- 交通工程是交通工程.
- 道路交通安全 道路交通安全
背景情况:
- 动态全红延伸 (DARE) 系统有效地防止了角度撞击.
- 现有的交通控制系统可能会导致车辆在大量交通时陷入困境区.
研究的目的:
- 通过开发一个减轻后方碰撞的系统来提高交通安全.
- 改进动态红色扩展 (DARE) 系统,并使用动态绿色扩展 (DGE) 功能.
主要方法:
- 综合智能交叉路口控制系统 (III-CS) 通过动态绿色延伸 (DGE) 功能得到了增强.
- 在最低的后端碰撞风险区间内,DGE会动态终止绿信号.
- 在定制的时间窗口内实现DGE,用于交叉路口协调,并使用启发式比较进行实时风险预测.
主要成果:
- 在部署后的评估中,DARE系统完美地检测到所有红灯跑者.
- 在第一次评估中,DGE模块在控制目标中取得了66.7%的成功,在第二次评估中改善到81.3%.
- 观察到陷入困境区的车辆和平均减速率的减少.
结论:
- 增强的III-CS与DGE有效地减少了后部碰撞的风险.
- 该系统证明了其实际适用性,并随着时间的推移提高了决策性能.
- 该研究证实了该系统对交通流量和安全措施的积极影响.
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