华南理工大学学报(自然科学版) ›› 2024, Vol. 52 ›› Issue (4): 138-150.doi: 10.12141/j.issn.1000-565X.230026
• 交通安全 • 上一篇
张文会1 刘拓1,2† 宋雅靖1 苏嘉祺1
收稿日期:
2023-01-19
出版日期:
2024-04-25
发布日期:
2023-05-09
通信作者:
刘拓(1990-),男,硕士,主要从事交通安全研究。
E-mail:liutuo901010@163.com
作者简介:
张文会(1978-),男,博士,副教授,主要从事交通安全研究。E-mail:rayear@163.com
基金资助:
ZHANG Wenhui1 LIU Tuo1,2† SONG Yajing1 SU Jiaqi1
Received:
2023-01-19
Online:
2024-04-25
Published:
2023-05-09
Contact:
刘拓(1990-),男,硕士,主要从事交通安全研究。
E-mail:liutuo901010@163.com
About author:
张文会(1978-),男,博士,副教授,主要从事交通安全研究。E-mail:rayear@163.com
Supported by:
摘要:
为了获得公交危险驾驶状态的空间分布特征,采用空间自相关性分析方法,识别危险驾驶状态的空间集聚性,确定危险驾驶状态热点路段,并对显著性影响因素进行分析。首先,采集4个季度各1周公交车辆卫星定位数据样本,修复重复数据、异常数据和缺失数据,并以公交站点为节点划分空间区段,对每个区段进行编号;接着,将速度过快、急加速、急减速和急转弯确定为危险驾驶状态,参照车辆运动学特性获得4种危险驾驶状态阈值,并计算4种危险驾驶状态的统计学指标和全局莫兰指数,结果表明,公交车辆危险驾驶状态具有空间集聚性(空间随机分布概率p < 0.01,标准差得分值Z > 2.58),速度过快状态(全局莫兰指数为0.731)的空间集聚性最为显著;然后,分别对4种危险驾驶状态进行局部空间自相关性分析,绘制了90%、95%和99%置信度下的莫兰散点图和Lisa集聚图,结合城市地图,获得危险驾驶状态的热点路段;最后,选取路段长度、车道数、平直度等9个指标,对比分析了OLS模型、SLE模型、SEM模型和SDM模型的拟合优度,采用SDM模型获得4种危险驾驶状态的显著性影响因素。文中研究结果可为公交车辆危险驾驶状态空间识别、精细化安全运行管理提供理论依据。
中图分类号:
张文会, 刘拓, 宋雅靖, 等. 基于空间自相关的常规城市公交车辆危险驾驶热点路段识别[J]. 华南理工大学学报(自然科学版), 2024, 52(4): 138-150.
ZHANG Wenhui, LIU Tuo, SONG Yajing, et al. Identification of Hazardous Driving Hotspots of Conventional Urban Bus Based on Spatial Autocorrelation[J]. Journal of South China University of Technology(Natural Science Edition), 2024, 52(4): 138-150.
表10
4种模型的AIC和BIC平均值对比"
危险驾驶状态 | AIC平均值 | BIC平均值 | ||||||
---|---|---|---|---|---|---|---|---|
OSL模型 | SLM模型 | SEM模型 | SDM模型 | OSL模型 | SLM模型 | SEM模型 | SDM模型 | |
速度过快 | 470.392 | 449.513 | 449.781 | 446.734 | 485.049 | 462.170 | 464.438 | 441.391 |
急加速 | 183.228 | 178.090 | 173.676 | 179.220 | 197.885 | 190.747 | 188.333 | 173.877 |
急减速 | 158.788 | 146.418 | 146.338 | 150.546 | 173.445 | 159.075 | 160.995 | 145.203 |
急转弯 | 469.708 | 452.771 | 453.771 | 453.553 | 484.365 | 465.428 | 468.428 | 448.210 |
表11
4种模型对速度过快数据的计算结果"
变量 | 变量的系数 | p | ||||||
---|---|---|---|---|---|---|---|---|
OSL模型 | SLM模型 | SEM模型 | SDM模型 | OSL模型 | SLM模型 | SEM模型 | SDM模型 | |
k1 | 0.002 | 0.473 | 0.623 | 0.598 | 0.010** | 0.012* | 0.000*** | 0.001*** |
k2 | 46.463 | 2.446 | -14.642 | -20.065 | 0.304 | 0.908 | 0.454 | 0.289 |
k3 | 2.320 | -2.393 | -0.671 | 1.806 | 0.067 | 0.038* | 0.083 | 0.054 |
k4 | 277.868 | -34.783 | -309.339 | 3.039 | 0.061 | 0.089 | 0.012* | 0.099 |
k5 | 1.353 | 4.656 | 8.908 | 0.421 | 0.917 | 0.448 | 0.282 | 0.958 |
k6 | -124.513 | 997.205 | 4 389.910 | 9 474.280 | 0.988 | 0.806 | 0.280 | 0.014* |
k7 | 98.505 | 18.076 | -25.140 | -1.799 | 0.266 | 0.662 | 0.469 | 0.959 |
k8 | -203.237 | -117.154 | -43.982 | -42.111 | 0.024* | 0.015* | 0.052 | 0.025* |
k9 | -121.983 | -71.183 | -24.651 | -18.955 | 0.001*** | 0.000*** | 0.020* | 0.033* |
表12
4种模型对急加速数据的计算结果"
变量 | 变量的系数 | p | ||||||
---|---|---|---|---|---|---|---|---|
OSL模型 | SLM模型 | SEM模型 | SDM模型 | OSL模型 | SLM模型 | SEM模型 | SDM模型 | |
k1 | -0.002 | 0.001 | 0.003 | 0.005 | 0.072 | 0.070 | 0.021* | 0.010* |
k2 | 0.001 | -0.068 | 0.019 | -0.383 | 0.999 | 0.844 | 0.953 | 0.260 |
k3 | -0.015 | 0.009 | 0.025 | -0.041 | 0.808 | 0.830 | 0.589 | 0.463 |
k4 | -2.232 | -2.288 | -3.214 | -1.984 | 0.716 | 0.589 | 0.358 | 0.564 |
k5 | -0.070 | -0.048 | -0.089 | -0.217 | 0.632 | 0.632 | 0.450 | 0.140 |
k6 | -86.015 | -37.951 | 16.775 | -0.469 | 0.379 | 0.572 | 0.800 | 0.995 |
k7 | 0.569 | 0.639 | 0.577 | -0.388 | 0.564 | 0.346 | 0.325 | 0.546 |
k8 | -0.178 | 0.388 | 1.069 | 0.198 | 0.926 | 0.770 | 0.358 | 0.869 |
k9 | -0.597 | -0.420 | -0.338 | -0.471 | 0.013* | 0.011* | 0.026* | 0.010** |
表13
4种模型对急减速数据的计算结果"
变量 | 变量的系数 | p | ||||||
---|---|---|---|---|---|---|---|---|
OSL模型 | SLM模型 | SEM模型 | SDM模型 | OSL模型 | SLM模型 | SEM模型 | SDM模型 | |
k1 | -0.003 | -0.002 | 0.770 | -0.003 | 0.268 | 0.061 | 0.107 | 0.184 |
k2 | 0.002 | -0.023 | 0.019 | 0.061 | 0.996 | 0.078 | 0.627 | 0.770 |
k3 | -0.004 | 0.013 | 0.129 | 0.078 | 0.927 | 3.215 | 0.401 | 0.019* |
k4 | 3.049 | 3.213 | 0.313 | 3.215 | 0.469 | -0.092 | 0.220 | 0.129 |
k5 | 0.203 | 0.086 | 0.787 | -0.092 | 0.052 | 11.785 | 0.531 | 0.313 |
k6 | -42.835 | -24.614 | -41.489 | 11.785 | 0.519 | 0.530 | 0.301 | 0.787 |
k7 | 1.566 | 1.399 | 1.216 | 1.771 | 0.027* | 0.000*** | 0.000*** | 0.000*** |
k8 | -0.074 | 0.181 | 0.044 | 0.584 | 0.955 | 0.815 | 0.949 | 0.425 |
k9 | -0.310 | -0.343 | -0.642 | -0.631 | 0.239 | 0.026* | 0.001** | 0.004** |
表14
4种模型对急转弯数据的计算结果"
变量 | 变量的系数 | p | ||||||
---|---|---|---|---|---|---|---|---|
OSL模型 | SLM模型 | SEM模型 | SDM模型 | OSL模型 | SLM模型 | SEM模型 | SDM模型 | |
k1 | 0.337 | 0.336 | 0.232 | 0.307 | 0.396 | 0.120 | 0.249 | 0.148 |
k2 | 2.046 | -8.331 | 6.479 | 8.330 | 0.963 | 0.732 | 0.781 | 0.717 |
k3 | 12.012 | 7.464 | 10.613 | 15.373 | 0.036* | 0.014* | 0.003** | 0.000*** |
k4 | -38.273 | -231.718 | -468.536 | -363.328 | 0.943 | 0.434 | 0.054 | 0.012** |
k5 | -3.505 | -0.472 | 2.868 | 8.337 | 0.785 | 0.947 | 0.760 | 0.403 |
k6 | 19 564.800 | 9 071.940 | 622.866 | -62.169 | 0.030* | 0.054 | 0.898 | 0.990 |
k7 | 42.748 | 38.389 | 4.989 | 18.188 | 0.621 | 0.418 | 0.906 | 0.669 |
k8 | 231.132 | 210.451 | 262.946 | 180.185 | 0.180 | 0.025* | 0.001** | 0.024* |
k9 | -11.124 | -23.757 | -9.689 | -42.520 | 0.739 | 0.198 | 0.673 | 0.074 |
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