發(fā)布時間：2018-05-12 01:20

  本文選題：智能交通 + 行人過街　； 參考：《重慶交通大學(xué)》2014年碩士論文

【摘要】：過街行人與機動車相互干擾一直是交通控制與管理的難題。在機動車和行人流量波動較大的長路段,行人過街定時控制會導(dǎo)致相位大量損失,若根據(jù)實時變化的機動車和行人流量實行感應(yīng)控制,靈活給予雙方放行時間,可以減少雙方延誤以及行人違章率。本文以現(xiàn)有感應(yīng)控制方式為基礎(chǔ),將行人過街需求融入到控制系統(tǒng)中,尋求機動車和行人雙方最大效益,提出了適合人車交通特性的路段行人過街感應(yīng)控制算法。 首先,通過對路段信號控制人行橫道實地調(diào)研以及數(shù)據(jù)采集,在現(xiàn)有理論基礎(chǔ)上,分別對路段行人過街行為特性與人車交通流特性進行分析,為感應(yīng)控制算法研究提供理論依據(jù)。 其次,針對現(xiàn)有感應(yīng)控制人行橫道存在的問題,本文結(jié)合感應(yīng)控制基本原理以及行人過街信號配時理論,以行人和機動車總體平均延誤最低為目標(biāo),依靠交通信息檢測技術(shù),充分考慮行人的心理忍受能力,根據(jù)行人過街需求量、機動車流量以及車流間隙,給出了路段人行橫道一次過街感應(yīng)控制算法。在此基礎(chǔ)之上,針對跨度較大的人行橫道,結(jié)合二次過街相關(guān)理論、信號控制人行橫道機動車與行人延誤機理,提出“人行綠波”協(xié)調(diào)思路,給出了路段人行橫道二次過街感應(yīng)控制算法。 最后,同時考慮對向行人的干擾因素與本向行人由于速度差異造成的影響,結(jié)合信號控制有倒計時人行橫道行人過街特性提出了新的行人過街格子氣仿真模型,并將其編成行人仿真軟件CAperson。利用Vissim交通仿真軟件以及CAperson行人仿真軟件對設(shè)計的感應(yīng)控制算法進行了仿真驗證。根據(jù)仿真驗證結(jié)果,給出了路段人行橫道感應(yīng)控制算法適用性條件。
[Abstract]:Cross-street pedestrian and motor vehicle interference has been a difficult problem of traffic control and management. In the long section of vehicle and pedestrian flow fluctuating greatly, pedestrian crossing timing control will lead to a lot of phase loss. If according to the real-time change of motor vehicle and pedestrian flow to implement induction control, flexible give both sides release time, Reduce both delays and pedestrian violations. Based on the existing induction control methods, the pedestrian crossing demand is integrated into the control system, and the maximum benefit of both the vehicle and the pedestrian is sought, and a pedestrian crossing induction control algorithm suitable for the traffic characteristics of man and vehicle is proposed in this paper. First of all, based on the existing theory, the characteristics of pedestrian crossing behavior and pedestrian traffic flow are analyzed based on the field investigation and data collection of signal-controlled crosswalk. It provides a theoretical basis for the research of induction control algorithm. Secondly, aiming at the problems existing in the existing induction control crosswalk, this paper combines the basic principle of induction control and the theory of pedestrian crossing signal timing, taking the minimum average delay of pedestrian and motor vehicle as the target, relying on traffic information detection technology. Considering the psychological tolerance of pedestrians, according to the demand of pedestrians, the flow rate of vehicles and the gap of traffic flow, the inductive control algorithm of pedestrian crossing is presented. On this basis, aiming at the long span crosswalk, combined with the related theory of secondary crossing, the mechanism of vehicle and pedestrian delay is controlled by signal, and the coordinated thought of "pedestrian green wave" is put forward. The second cross-street induction control algorithm is given. Finally, considering the influence of the interference factors to the pedestrian and the velocity difference of the local pedestrian, a new pedestrian crossing grid gas simulation model is proposed in combination with the pedestrian crossing characteristics of the signal control with countdown crosswalk. And it is programmed into the pedestrian simulation software CAperson. Vissim traffic simulation software and CAperson pedestrian simulation software are used to verify the designed induction control algorithm. According to the simulation results, the applicable condition of induction control algorithm is given.
【學(xué)位授予單位】：重慶交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U491.54

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本文編號：1876483