组合交通标志信息量阈值研究

刘小明; 王蔚; 姜明; 魏中华

doi:10.19818/j.cnki.1671-1637.2016.01.017

组合交通标志信息量阈值研究

doi: 10.19818/j.cnki.1671-1637.2016.01.017

1.
北京工业大学北京市交通工程重点实验室，北京 100124
2.
交通运输部公路科学研究院道路安全重点实验室，北京 100088

基金项目:

国家自然科学基金项目 51208008

中央级公益性科研院所基本科研业务费专项资金项目 20159030

交通运输部科技项目 2015439223040

详细信息

作者简介:
刘小明(1964-), 男, 江苏扬中人, 北京工业大学教授, 从事交通运输与安全研究

中图分类号: U491.52
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出版历程
- 收稿日期: 2015-09-10
- 刊出日期: 2016-02-25

Investigation of information quantity threshold on combined traffic signs

1.
Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China
2.
Key Laboratory of Road Safety, Research Institute of Highway Ministry of Transport, Beijing 100088, China

More Information

Author Bio:
LIU Xiao-ming (1964-), male, professor, +86-10-65292298, liuxm@mot.gov.cn

摘要

摘要: 针对组合交通标志信息量阈值缺乏量化依据的问题, 设计了包含指路标志与车道行驶方向标志的组合标志, 测定了被试者视认组合标志的正确率及反应时间, 得到组合标志的信息量阈值, 并通过试验对模拟结果进行了验证。分析结果表明: 车道数为3~7时, 被试者对组合标志视认的正确率分别为94.17%、93.13%、93.50%、87.50%、86.07%, 反应时间分别为2 437.54、2 514.01、2 634.18、3 600.75、3 836.21 ms; 指路标志中一条路名信息的视认反应时间相当于组合标志中5个箭头的视认反应时间, 均为0.5 s;指引图形较简单的组合标志信息量阈值为6条路名信息, 指引图形较复杂的组合标志信息量阈值为5条路名信息, 指路标志若与车道行驶方向标志组合设置则应相应减少路名信息。
- 交通工程 /
- 组合标志 /
- 信息量阈值 /
- 指路标志 /
- 车道行驶方向标志 /
- 模拟试验
Abstract: Aiming at lacking quantitative basis for information quantity threshold of combined traffic signs, combined signs containing guide sign and lane directional sign were designed.The subjects'visual cognition accuracy and reaction time of combined signs were measured.The information quantity threshold of combined signs was obtained and tests were carried out to verify simulation results.Analysis result shows that when lane numbers are 3-7, the subjects'visual cognition accuracies of combined signs are 94.17%, 93.13%, 93.50%, 87.50%, 86.07% respectively, and reaction times are 2 437.54, 2 514.01, 2 634.18, 3 600.75, 3 836.21 ms respectively.The visual cognition reaction time of information for one road name in guide sign is equal to that of five arrows in combined signs, both are 0.5 s.The information quantity threshold of combined signs is equal to information quantity for six road names when guide picture is simple, and the information quantity threshold of combined signs is equal to information quantity for five road names when guide picture is complex.If guide sign and lane directional sign are combined, the information of road name should be decreased correspondingly.
- traffic engineering /
- combined sign /
- information quantity threshold /
- guide sign /
- lane directional sign /
- simulation test

HTML全文

图 1 组合标志设计形式

Figure 1. Design from of combined signs

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图 2 试验流程

Figure 2. Test process

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图 3 车道行驶方向标志

Figure 3. Lane directional signs

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图 4 车道行驶方向标志视认试验

Figure 4. Visual cognition test of lane directional signs

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图 5 组合标志

Figure 5. Combined signs

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图 6 模拟场景

Figure 6. Simulation scenario

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图 7 车辆换道

Figure 7. Lane changing of vehicle

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图 8 试验现场

Figure 8. Test field

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图 9 组合标志视认试验

Figure 9. Visual cognition test of combined signs

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图 10 SPSS软件探测的异常值

Figure 10. Outliers detected by SPSS software

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图 11 反应时间的均值及标准差

Figure 11. Mean values and standard deviations of reaction times

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图 12 标志示例

Figure 12. Sign samples

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图 13 试验场景

Figure 13. Test scenarios

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图 14 视认节点

Figure 14. Visual cognition nodes

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图 15 距离误差

Figure 15. Distance error

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表 1 被试者数据

Table 1. Subjects'data

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表 2 数据统计分析

Table 2. Statistical analysis of data

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表 3 方差齐性检验

Table 3. Homogeneity of variance test

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表 4 单因素方差分析

Table 4. Analysis of single factor variance

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表 5 多重比较分析

Table 5. Multiple comparative analysis

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