摘要
美国道路限速值设置专家系统2.0版是目前决策规则设计最为系统的限速值设置专家系统之一。该系统的主要特点是,以驾驶人速度选择行为为基础,将三个速度值作为限速值设置决策过程中的选项;决策规则开发期间,既考虑了道路的几何、交通和环境特征,又考虑了交通事故特征;决策规则的透明性等。同时,作者从限速值设置实践角度,也发现了该系统的不足,并提出了相应的改进建议。
USLIMITS2 is currently one of the most systematic expert systems for setting speed limits in terms of decision rules.Main characteristics of the system include:To take speed choice behavior of vehicle drivers for a foundation,and to take three kinds of speeds as options in the decision processes of setting speed limits;During the development of decision rules,not only consider geometry/traffic/environment characteristics of roads,but also consider traffic accident characteristics of roads;Transparency of decision rules,etc.Meanwhile,the author of the paper also found some deficiencies of the system from the perspective of practices on setting speed limits,and provided corresponding recommendations.
作者
金治富
JIN Zhifu(School of Traffic Management,People’s Public Security University of China,Beijing102623,China)
出处
《汽车与安全》
2023年第9期60-67,共8页
Auto & Safety
关键词
限速值设置
专家系统
决策规则
85%位速度
50%位速度
Setting speed limits
expert system
decision rule
85th percentile speed
50th percentile speed
