中文核心期刊
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重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2009, Vol. 28 ›› Issue (6): 1079-1082.DOI: 10.3969/j.issn.1674-0696.2009.06.27

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驾驶员对夜间红绿障碍物空间距离判识差异

赵炜华,刘浩学,毕仁忠,晏远春   

  1. 长安大学汽车学院,陕西西安710064
  • 收稿日期:2009-07-27 出版日期:2009-12-15 发布日期:2015-04-15
  • 作者简介:赵炜华(1978—),男,山东潍坊人,工程师,博士研究生,从事交通环境及安全技术研究。E-mail:sdzwh@chd.edu.cn。
  • 基金资助:
    国家自然科学基金项目( 50778023)

Cognition?Difference?of?Drivers?about?Space?Distance?of?Red?and?Green?Obstacles?at?Night

ZHAO Wei-hua, LIU Hao-xue, BI Ren-zhong, YAN Yuan-chun   

  1. School?of?Automobile,?Chang＇an?University,?Shaanxi?Xi＇an?710064,?China
  • Received:2009-07-27 Online:2009-12-15 Published:2015-04-15

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摘要： 分析距离判识差异变化规律,选用32名驾驶员在不同深度距离和车速条件下,进行实际道路试验。统计检 验全部被试判识结果,获得距离判识差异特征值。运用BP神经网络,模拟判识差异变化趋势。结果表明:在夜间 地面动态环境中,随着深度距离增加,绝对距离判识差异增大,相对距离判识差异减小;随着速度增加,在较远深度 距离下,绝对距离判识差异先减小后增加再减小,在中等深度距离以下时,差异逐渐减小;相对距离判识差异随速 度增加而减小。

关键词: 动态环境, 判识差异, 颜色, BP神经网络

Abstract: In?order?to?study?the?impact?of?color?on?distance?cognition?in?dynamic?environment?at?night?and?analyze?the?changing?rules?of?difference,32?drivers?are?selected?to?attend?the?real?road?experiment?in?cases?of?different?depth?distance?and?different?velocity.?Results?of?all?cognition?are?summed?up?and?tested,?and?the?characteristic?value?of?cognition?difference?is?obtained.?The?variation?trend?of?cognition?difference?is?simulated?by?BP?neural?network.?Research?results?show?that?in?the?case?of?dynamic?ground?environment?at?night,?the?absolute?distance?cognition?difference?augments?and?the?relative?one?de-?crease?with?the?depth?distance?increasing;in?the?case?of?increasing?the?velocity?and?a?further?depth?distance,?the?absolute?distance?cognition?difference?experiences?decrease,increase?and?decrease?again?chronically?;in?the?case?of?medium?or?nearer?depth?distance?,the?absolute?distance?cognition?difference?decreases?gradually,?and?the?relative?distance?cognition?difference?decreases?with?velocity?increasing.

Key words: dynamic environment , cognition difference , color , BP neural network

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