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城市道路交叉口指路標(biāo)志信息有效性量化模型研究

發(fā)布時(shí)間:2018-11-08 09:43
【摘要】:指路標(biāo)志信息不僅在微觀(guān)層面決定道路使用者通行時(shí)的階段性決策,更在宏觀(guān)層面影響路網(wǎng)交通的整體性效率,因而確保指路標(biāo)志信息具備較高的有效性是保證交通信息供需平衡與穩(wěn)定,以及實(shí)現(xiàn)道路使用者通行高效與可靠的先決條件。論文著眼于道路使用者認(rèn)知指路標(biāo)志信息的認(rèn)讀、理解及反應(yīng)階段,立足于信息構(gòu)成內(nèi)容及排布形式與道路使用者導(dǎo)行需求及理解能力間匹配關(guān)系的微觀(guān)、根本層面,探討指路標(biāo)志信息自身特性及道路使用者特性對(duì)信息有效性的影響機(jī)理,開(kāi)展對(duì)城市道路指路標(biāo)志信息有效性的分析及量化研究。首先,論文探討了代表性城市道路指路標(biāo)志信息構(gòu)成及排布形式,分析了指路標(biāo)志信息供給與道路使用者導(dǎo)行需求的匹配關(guān)系,重點(diǎn)梳理了指路標(biāo)志信息發(fā)布邏輯理念,主要包括標(biāo)志信息服務(wù)目標(biāo)、信息內(nèi)容構(gòu)成、信息發(fā)布形式以及信息數(shù)量等。其次,通過(guò)開(kāi)展信息理解性實(shí)驗(yàn)探討道路使用者對(duì)不同信息排布形式的認(rèn)知水平及差異,以研究信息排布形式對(duì)其有效性的影響,結(jié)果表明信息排布形式對(duì)道路使用者判讀實(shí)際路網(wǎng)布局及走向具有明顯的暗示作用;通過(guò)開(kāi)展信息需求性實(shí)驗(yàn)探討道路使用者對(duì)不同信息構(gòu)成內(nèi)容的需求規(guī)律及差異,以研究信息構(gòu)成內(nèi)容對(duì)其有效性的影響,結(jié)果表明并非所有的指引信息都能較好地滿(mǎn)足道路使用者的導(dǎo)行需求和心理預(yù)期。再次,結(jié)合人機(jī)工效學(xué)理論選取信息需求滿(mǎn)足程度、信息適量程度、信息理解難易度及駕駛?cè)诵睦眍A(yù)期作為量化指標(biāo),構(gòu)建城市道路指路標(biāo)志信息有效性量化模型;結(jié)合信息學(xué)理論,選取“是否滿(mǎn)足需求”、“是否易于理解”及“是否符合預(yù)期”作為量化指標(biāo),構(gòu)建城市道路指路標(biāo)志信息有效性熵量化模型。最后,論文設(shè)計(jì)案例指路標(biāo)志開(kāi)展信息有效性量化,比較分析量化結(jié)果數(shù)據(jù)表明本研究所構(gòu)建的量化模型是合理的,具有較好的適用性。相較于以往對(duì)于指路標(biāo)志效用的主觀(guān)感知與評(píng)價(jià),論文開(kāi)展的信息有效性分析及量化研究,能夠以更為精確、直觀(guān)的方式反映城市道路指路標(biāo)志的服務(wù)效用,進(jìn)而為更加合理地設(shè)計(jì)、設(shè)置城市道路指路標(biāo)志提供參考依據(jù)。
[Abstract]:Road sign information not only determines the stage decision of road users at the micro level, but also affects the overall efficiency of road network traffic at the macro level. Therefore, it is a prerequisite to guarantee the balance and stability of traffic information supply and demand, and to realize the high efficiency and reliability of road users to ensure the high efficiency and reliability of the road sign information. This paper focuses on the recognition, understanding and response stage of road users' cognitive guidance information, and based on the microscopic and fundamental level of the matching relationship between the content and layout of the information and the road users' guiding needs and understanding ability. This paper probes into the mechanism of the influence of the characteristics of road guide information and the characteristics of road users on the information validity, and carries out an analysis and quantitative study on the information effectiveness of urban road signs. First of all, the paper discusses the composition and layout of road sign information in representative cities, analyzes the matching relationship between the supply of road guide information and the guide demand of road users, and focuses on combing the logical concept of road guide information release. It mainly includes the target of sign information service, the composition of information content, the form of information release and the quantity of information. Secondly, the cognitive level and difference of road users on different information arrangement forms are discussed through the information comprehension experiment, in order to study the influence of information arrangement form on its effectiveness. The results show that the layout of information has obvious implications for road users to interpret the actual road network layout and direction. In order to study the influence of information content on the effectiveness of road users, the law and difference of road users' demand for different information components are discussed through the information demand-demand experiment. The results show that not all the guidance information can meet the guidance needs and psychological expectations of road users. Thirdly, combining with ergonomics theory, this paper selects the degree of information demand satisfaction, the appropriate degree of information, the difficulty of information understanding and the psychological expectation of the driver as the quantitative index to construct the quantitative model of the information validity of the urban road guide sign. Based on the theory of informatics, this paper selects "whether to satisfy the demand", "is easy to understand" and "whether meets the expectation" as the quantitative index, and constructs the entropy quantization model of the information validity of the urban road guide sign. Finally, the paper designs the case guide sign to carry on the information validity quantization, the comparison analysis quantization result data indicates that the quantitative model constructed by this research is reasonable, has the good applicability. Compared with the previous subjective perception and evaluation of the utility of the guide signs, the information validity analysis and quantitative research carried out in this paper can reflect the service utility of the urban road signs in a more accurate and intuitive way. Further more, it provides reference for more reasonable design and setting up urban road guide signs.
【學(xué)位授予單位】:長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類(lèi)號(hào)】:U491.52

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