發(fā)布時間：2018-06-21 05:48

  本文選題：有軌電車 + 信號優(yōu)先　； 參考：《西南交通大學》2014年碩士論文

【摘要】：現(xiàn)代有軌電車作為一種軌道交通方式,以其運能適中、靈活性較強、綠色環(huán)保、乘坐舒適、成本相對地鐵,輕軌等軌道交通方式較低等特點備受大中城市的青睞。然而,有軌電車相對社會車輛以及常規(guī)公交等交通方式,有其獨特的行駛特性,若沿用傳統(tǒng)的信號控制方法會對其運行效率及安全產(chǎn)生不利影響。根據(jù)有軌電車的行駛特性并結(jié)合國內(nèi)混合交通、道口間距短的行駛環(huán)境,如何在道口對有軌電車進行信號優(yōu)先控制成為一個重要的課題。 本文主要根據(jù)有軌電車行駛特性及其對道口其他車流的影響,通過信號控制的手段,給予有軌電車在道口時間上的優(yōu)先通行權(quán)以保障其服務水平的同時保證其他車流的通行效益。 本文首先分析了有軌電車的運行特性,從單個道口,干線道口信號協(xié)調(diào)兩個層次探討了有軌電車信號優(yōu)先對道路上其他社會車輛的影響,其次設計了有軌電車信號優(yōu)先協(xié)調(diào)控制系統(tǒng)。該系統(tǒng)包括道路信號協(xié)調(diào)控制,有軌電車信號優(yōu)先兩個子系統(tǒng),由交通信息檢測模塊、道口信號控制模塊、干線信號協(xié)調(diào)模塊、有軌電車信號優(yōu)先模塊四大模塊構(gòu)成。 道口信號控制模塊根據(jù)從監(jiān)測信息模塊獲得的交通信息計算道口信號的周期,綠信比,有效綠燈時間；干線信號協(xié)調(diào)模塊則在道口信號模塊的基礎上,以道口整體延誤損失為目標函數(shù),利用遺傳算法優(yōu)化干線道口之間的相位差;有軌電車信號優(yōu)先模塊結(jié)合有軌電車的滯站調(diào)度,綠信號擴展,綠信號提前控制措施,實現(xiàn)有軌電車道口信號相對優(yōu)先控制。 最后設計仿真模型,驗證了本文設計的有軌電車道口信號控制可以有效降低干線上的車輛延誤,實現(xiàn)了有軌電車道口信號優(yōu)先。
[Abstract]:As a kind of rail transit mode, modern tram is favored by large and medium cities for its moderate capacity, strong flexibility, green environmental protection, comfortable ride, lower cost compared with subway, light rail and so on. However, the tram has its unique driving characteristics compared with the social vehicles and conventional public transport. If the traditional signal control method is used, the operation efficiency and safety will be adversely affected. According to the running characteristics of tram, combined with the domestic mixed traffic and the short crossing distance, how to control the signal priority of tram at the crossing becomes an important subject. In this paper, according to the tram driving characteristics and its influence on other traffic flow at the crossing, by means of signal control, The tram is given priority in crossing time to guarantee its service level and other traffic efficiency. In this paper, the operation characteristics of tram are analyzed at first, and the influence of tramway signal priority on other social vehicles on the road is discussed from two levels: single crossing and signal coordination of trunk crossing. Secondly, the signal priority coordination control system is designed. The system consists of two subsystems: road signal coordination control, tram signal priority subsystem, traffic information detection module, intersection signal control module, trunk signal coordination module and tram signal priority module. The crossing signal control module calculates the period of the crossing signal according to the traffic information obtained from the monitoring information module, the green signal ratio, the effective green light time, and the trunk signal coordination module on the basis of the crossing signal module. Taking the overall delay loss of the crossing as the objective function, the genetic algorithm is used to optimize the phase difference between the main lines, and the signal priority module of the tram is combined with the dispatching of the tram, the expansion of the green signal, and the control measures of the green signal ahead of time. The relative priority control of tram crossing signal is realized. Finally, the simulation model is designed, which proves that the signal control of tram crossing designed in this paper can effectively reduce the vehicle delay on the trunk line, and realize the priority of tram crossing signal.
【學位授予單位】：西南交通大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U492.433;U491.54

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本文編號：2047480