基于實時交通流的大窯灣港區(qū)干線協(xié)調(diào)控制研究
本文選題:交通流信息 + 港口區(qū)域; 參考:《大連海事大學(xué)》2015年碩士論文
【摘要】:很多的干線協(xié)調(diào)控制研究主要都是對城市路網(wǎng)的研究,其目的是為了減少時間的延誤,防止過多的燃料浪費,減少車輛在行駛途中的延誤時間,增強交通干線的通行能力等。本文是對大窯灣港區(qū)的交通干線金港路進行研究,因為金港路是進出港區(qū)的主要道路,而進出港口的車輛類型主要是集卡,為重型車,行駛速度較小,一般在20~35km/h,且在一個波動范圍內(nèi),這樣的速度限制,以及易形成車隊,是有利于實現(xiàn)干線協(xié)調(diào)的。這樣能減小集卡的排隊現(xiàn)象,而集疏運系統(tǒng)的好壞影響著船舶在港時間,因此港口區(qū)域?qū)崿F(xiàn)干線協(xié)調(diào)控制,能有效地減少船舶和集卡的等待時間和排隊,提高港口的作業(yè)效率。文章首先介紹了交通信號控制的信號相位、基本控制參數(shù)等,及干線協(xié)調(diào)的適用條件,隨后分析了評價指標(biāo)等理論基礎(chǔ)。在進行信號配時時,首先要調(diào)查獲得交通流量數(shù)據(jù),并對數(shù)據(jù)進行分析。通過實地調(diào)研了解到大窯灣港區(qū)金港路的道路情況,及三個相鄰交叉口的實際情況,并進行流量的統(tǒng)計。根據(jù)對流量的分析,確定了基于實時交通流的干線協(xié)調(diào)設(shè)計,這是由于港口區(qū)域的交通流有特殊的特點,高峰時間段與城市路網(wǎng)不同。在流量高峰階段,采用感應(yīng)式信號控制的方法來實現(xiàn)干線協(xié)調(diào)控制;在流量平峰階段,采用基于Webster理論延誤最小的干線定時控制,從而實現(xiàn)了分組的干線協(xié)調(diào)控制。最后通過仿真軟件Vissim對金港路路段進行仿真,并對實驗結(jié)果加以分析,通過對評價指標(biāo)的分析可以看出,對金港路實行干線協(xié)調(diào)控制能取得較好的效果。
[Abstract]:Many studies on coordinated control of trunk lines are mainly focused on urban road networks, the purpose of which is to reduce the delay of time, prevent excessive fuel waste, reduce the delay time of vehicles on the road, and enhance the traffic capacity of the trunk lines. This paper studies Jingang Road, a traffic trunk line in Dayaowan Port area, because Jingang Road is the main road in and out of the port area, and the type of vehicles entering and leaving the port is mainly a collection card, which is a heavy vehicle, and its driving speed is relatively small. Generally at 20 / 35km / h, and within a range of fluctuations, this speed limit, as well as easy motorcade formation, is conducive to trunk alignment. In this way, the queuing phenomenon of the card can be reduced, and the quality of the collecting and distributing system will affect the ship's time in port, so the coordinated control of the trunk line in the port area can effectively reduce the waiting time and queue of the ship and the card, and improve the operation efficiency of the port. This paper first introduces the signal phase, basic control parameters, and applicable conditions of trunk line coordination of traffic signal control, and then analyzes the theoretical basis of evaluation index. In signal matching, the first step is to investigate and analyze the traffic flow data. Through field investigation, the road situation of Jingang Road in Dayaowan Port District and the actual situation of three adjacent intersections are found out, and the traffic flow is counted. According to the analysis of traffic flow, the coordinated design of trunk line based on real-time traffic flow is determined, which is due to the special characteristics of traffic flow in port area and the difference between peak period and urban road network. In the peak phase of the flow, the method of inductive signal control is used to realize the coordinated control of the trunk line, and in the phase of the flow leveling, the trunk line timing control based on Webster theory with the minimum delay is used to realize the coordinated control of the trunk line of the grouping. Finally, the simulation software Vissim is used to simulate the road section of Jingang Road, and the experimental results are analyzed. Through the analysis of the evaluation index, it can be seen that the coordinated control of the trunk line of Jingang Road can achieve good results.
【學(xué)位授予單位】:大連海事大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:U491.54
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