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  本文選題：草原公路　切入點：眼動指標　出處：《內(nèi)蒙古農(nóng)業(yè)大學》2014年碩士論文

【摘要】：在公路交通系統(tǒng)中,人、車、路三個要素必須協(xié)同運作才能夠構成一個完整的系統(tǒng)。而公路線形是公路主要結構的一個重要因素,因此,道路線形是否合理將影響到整個道路交通系統(tǒng)的安全、經(jīng)濟、舒適功能的發(fā)揮。我國目前已有的公路線形設計理論主要是以汽車行駛理論為依據(jù),從安全的角度對線形進行分析,沒有深入考慮駕駛員行車舒適性需求。 本研究思想是在前人已有的研究基礎上,以內(nèi)蒙古地區(qū)典型的草原公路平面線形為研究對象,通過駕駛員動態(tài)視覺變化研究公路平面線形是否適應駕駛員實際駕駛行為的需求,從大量的實駕行車實驗數(shù)據(jù)中,尋找公路平面線形與駕駛員眼動指標的變化關系,建立模型,并在模型中分析討論適合駕駛員視覺舒適性的平面線形指標。 研究表明：直線長度過長會對駕駛員視覺造成明顯的影響,駕駛員視覺舒適性降低,易引發(fā)交通事故,建議草原公路的直線長度最短應大于1600m,最長要限制在4200m范圍內(nèi),保證駕駛員的行車視覺舒適性；平曲線半徑大小對行駛舒適性有著明顯的影響,平曲線半徑并非越大越好,當曲線半徑在2300～2800m范圍內(nèi)視覺較為舒適,有利于駕駛員舒適行車；在草原公路平面線形組合路段中,駕駛員在長直線路段與小半徑曲線組合的這種平面線形組合路段行駛時,視覺舒適性較差,非常不利于駕駛員行車舒適,在4000m長直線與半徑為1500m的曲線半徑行駛時,駕駛員的視覺舒適性較好。說明在現(xiàn)有的草原公路平面線形組合路段中,駕駛員在此類型平面線形組合內(nèi)行駛時,視覺舒適性最優(yōu),此組合路段較為符合駕駛員視覺舒適性需求。
[Abstract]:In the highway traffic system, the three elements, people, cars and roads, must work together to form a complete system, and the highway alignment is an important factor in the main structure of the highway. Whether the road alignment is reasonable or not will affect the safety, economy and comfort function of the whole road traffic system. From the point of view of safety, the line shape is analyzed, and the driver's driving comfort is not considered in depth. This research idea is based on the previous research, taking the typical grassland highway plane alignment in Inner Mongolia as the research object. Based on the dynamic visual changes of the driver, this paper studies whether the highway plane alignment can meet the needs of the driver's actual driving behavior. From a large number of driving experimental data, the relationship between the highway plane alignment and the driver's eye movement index is found, and the model is established. The plane linear index suitable for driver's visual comfort is analyzed and discussed in the model. The study shows that the long line length will obviously affect the driver's vision, and the driver's visual comfort will be reduced, which will easily lead to traffic accidents. It is suggested that the shortest line length of the grassland highway should be more than 1600m, and the longest length should be limited within the range of 4200m. The size of horizontal curve radius has obvious influence on driving comfort. The bigger the curve radius is, the better. When the curve radius is in the range of 2300 ~ 2800m, it is more comfortable for driver to drive comfortably. In the steppe highway plane linear combination section, the driver in the long line section and the small radius curve combination of this kind of plane line combination section driving, the visual comfort is poor, is very unfavorable to the driver driving comfortable, When the curve radius of 4000m long line and radius is 1500m, the driver's visual comfort is better. It shows that in the existing steppe highway plane line combination section, the driver's visual comfort is the best when driving in this type of planar linear combination. The combined road section meets the needs of driver's visual comfort.
【學位授予單位】：內(nèi)蒙古農(nóng)業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U491.25

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