頁籤選單縮合
題 名 | 眩光的亮度及偏角對駕駛者視覺清晰度的影響=The Effect of Glare Brightness and Angles on the Visual Acuity of Drivers |
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作 者 | 陳泰良; | 書刊名 | 運輸計劃 |
卷 期 | 26:1 1997.03[民86.03] |
頁 次 | 頁143-158 |
分類號 | 447.17 |
關鍵詞 | 眩光亮度; 眩光偏角; 視覺清晰度; Glare brightness; Glare angle; Visual acuity; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之目的在於探討眩光的亮度和偏角如何影響視覺清晰度。我們分別探討眩 光光源亮度及偏角對最小可分辨視角的影響,以及兩者的交互作用。光源亮度分為四階,分 別為 10 �薄A10 �插A10 �臚� 10 �� cd/m �斯央C而偏角則分為五階,分別為 3,5,7,10 及 15 度等。本研究採用絹印的藍多爾圈視力檢查表來測試 20 位受試者在各個不同的眩光 亮度及偏角下之最小可分辨視角。 實驗結果顯示,就眩光亮度而言,最小可分辨視角與眩光亮度成正比的線性關係。而在偏角 方面,當偏角在 10 度以內時,最小可分辨視角與眩光偏角成一指數反比的關係;但當偏角 超過 10 度以上時,眩光對最小可分辨視角的影響就不顯著了。在眩光亮度與偏角交互作用 方面,兩者之間並無顯著之交互作用。 本研究的成果可應用在道路交通的設計及管制上,例如,道路彎度之規劃及分隔島上的防眩 板之間隔距離及設置角度等之設計。就長遠來看,這個研究有助於我們在道路交通安全的許 多後續研究。 |
英文摘要 | The purpose of this research is to study the effect of brightness and o ff-visual axial angles of a direct glare source on the visual acuity of drivers. First, we determined the effects of brightness and angles of glare on visual acuity individually, then we included these two factors in the same time to determine their combined effect. The brightness was categorized as four levels, 10 ��,10 ��,10 ��,and 10 �� cd/m ��; the angle was categorized as five levels, 3 °, 5 °, 7 °, 10 °, and 15 °. 20 subjects were tested using a fine silk-screen printed Landholt rng test sheet under different conditions. The results showed that MSVA linearly related to the brightness of glare. The MSVA increased along with the increase of glare brightness. The results also showed that MSVA long linearly related to the angle of glare. However, when the angle of glare exceeeded 10 °, there was no significant effect on MSVA. there is no significant interaction between the brightness and angle of glare. The practical results of this project will contribute immediately to the design of highway facilities, for example, a design of the allocation interval and oblique angle for anti-glare panels. In the long run, this study will contribute greatly to many follow-up researches in highway safety. |
本系統中英文摘要資訊取自各篇刊載內容。