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Issue:
Delay Model of Adaptive Signal Control Using Fixed Number Theory
Author(s):
JIANG Xian-cai
,
PEI Yu-long
Pages:
66
-
70
Year:
2008
Issue:
3
Journal:
JOURNAL OF TRANSPORTATION SYSTEMS ENGINEERING AND INFORMATION TECHNOLOGY
Keyword:
延误
;
自适应信号控制
;
交通仿真
;
定数理论
;
Abstract:
针对以稳态理论为基础推导的自适应信号控制延误计算模型不能反映交叉口各进口道车流动态变化的情况,提出以定数理论为基础,考虑交叉口各进口道车流的动态变化过程,仿效延误三角形的推导模式,通过简化交叉口进口道的车流到达形式,并基于Markov特性建立了一段时间内自适应信号控制条件下的平均车辆延误计算模型.借助自适应信号控制软件系统(OPAC)作为仿真平台,以实际调查数据为例,延误模型计算结果与交通仿真结果的比较分析表明:建立的延误计算模型较稳态理论下的延误计算模型更能客观反映交叉口的车流运行状况.
Citations
System Exception
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