信号交叉口进口车道饱和流率估计方法

doi:10.13229/j.cnki.jdxbgxb20180752

吉林大学学报(工学版) ›› 2019, Vol. 49 ›› Issue (5): 1459-1464.doi: 10.13229/j.cnki.jdxbgxb20180752

• • 上一篇

信号交叉口进口车道饱和流率估计方法

别一鸣^1,²(),汤茹茹²,王运豪³,文斌⁴,冯天军⁵(),王琳虹¹

1. 吉林大学交通学院，长春 130022
2. 哈尔滨工业大学交通科学与工程学院，哈尔滨 150090
3. 东北师范大学经济学院，长春 130117
4. 东北师范大学信息科学与技术学院，长春 130117
5. 吉林建筑大学交通科学与工程学院，长春 130118

收稿日期:2018-07-20 出版日期:2019-09-01 发布日期:2019-09-11
通讯作者: 冯天军 E-mail:yimingbie@126.com;68202791@qq.com
作者简介:别一鸣(1986-),男,副教授,博士.研究方向:交通管理与控制.E-mail:yimingbie@126.com
基金资助:
国家自然科学基金项目(71771062);吉林省科技发展计划项目(20180520180JH);吉林省教育厅“十三五”科学技术研究项目(JJKH20180609KJ)

Saturation flow rate estimation method of approaching lanes at signalized intersections

Yi-ming BIE^1,²(),Ru-ru TANG²,Yun-hao WANG³,Bin WEN⁴,Tian-jun FENG⁵(),Lin-hong WANG¹

1. College of Transportation, Jilin University, Changchun 130022, China
2. School of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, China
3. School of Economics, Northeast Normal University, Changchun 130117, China
4. School of Information Science and Technology, Northeast Normal University, Changchun 130117, China
5. School of Transportation Science and Engineering, Jilin Jianzhu University, Changchun 130118, China

Received:2018-07-20 Online:2019-09-01 Published:2019-09-11
Contact: Tian-jun FENG E-mail:yimingbie@126.com;68202791@qq.com

摘要/Abstract

摘要：

为准确估计信号交叉口进口车道的饱和流率，将高峰期获取的车头时距采用时间序列表达；基于PP检验构建稳态检验算法，剔除绿灯显示期间进口车道的异常车头时距，以获取饱和车头时距，采用饱和车头时距的均值估计饱和流率。以长春市某典型信号交叉口3条直行车道为例对本文方法进行验证，并与HCM方法进行对比。结果表明：本文方法能准确识别出饱和车头时距；饱和流率的估计值为1700~1900 pcu/h，高于HCM方法所得到的饱和流率估计值。

关键词: 交通运输系统工程, 饱和流率, 车头时距, 稳态检验, 估计方法

Abstract:

To accurately estimate the saturation flow rates of approaching lanes at signalized intersections, the headways obtained in peak hours are expressed by time series. The steady state test method is proposed based on PP test. The abnormal headways of the approaching lane during green time are deleted to obtain the saturation headways. The saturation flow rate is estimated using the average value of saturation headways. The three through lanes of a typical signalized intersection in Changchun city are taken as examples to validate the proposed method, and the method is compared with classical Highway Capacity Manual (HCM) method. The results show that the proposed method in this paper can estimate the saturation headways accurately; the estimated saturation flow rate ranges from 1700 pcu/h to 1900 pcu/h, which are higher than that of HCM method.

Key words: traffic and transportation systems engineering, saturation flow rate, time headway, steady state test, estimation method

中图分类号:

U491

别一鸣,汤茹茹,王运豪,文斌,冯天军,王琳虹. 信号交叉口进口车道饱和流率估计方法[J]. 吉林大学学报(工学版), 2019, 49(5): 1459-1464.

Yi-ming BIE,Ru-ru TANG,Yun-hao WANG,Bin WEN,Tian-jun FENG,Lin-hong WANG. Saturation flow rate estimation method of approaching lanes at signalized intersections[J]. Journal of Jilin University(Engineering and Technology Edition), 2019, 49(5): 1459-1464.

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参考文献 11

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	WangDian-hai, YangShao-hui, JingChun-guang. Cumulative curve method for calculating saturation flow rate and phase lost time[J]. Journal of Traffic and Transportation Engineering, 2003, 3(3): 75-78.
9	杨晓光, 庄斌, 李克平. 信号交叉口饱和流率和启动延误的影响分析[J]. 同济大学学报: 自然科学版, 2006, 34(6): 738-743.
	YangXiao-guang, ZhuangBin, LiKe-ping. Analysis of saturation flow rate and delay at the signalized intersection[J]. Journal of Tongji University (Natural Science), 2006, 34(6): 738-743.
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k	T
k	25	50	100	250	500	∞
0.010	-3.75	-3.58	-3.51	-3.46	-3.44	-3.43
0.025	-3.33	-3.22	-3.17	-3.14	-3.13	-3.12
0.050	-3.00	-2.93	-2.89	-2.88	-2.87	-2.86
0.100	-2.63	-2.60	-2.58	-2.57	-2.57	-2.57
0.900	-0.37	-0.40	-0.42	-0.42	-0.43	-0.44
0.950	0.00	-0.03	-0.05	-0.06	-0.07	-0.07
0.975	0.34	0.29	0.26	0.24	0.24	0.23
0.990	0.72	0.66	0.63	0.62	0.61	0.60

k	T
k	25	50	100	150	200	∞
0.005	-3.72	-3.58	-3.47	-3.44	-3.42	-3.37
0.025	-2.98	-2.91	-2.86	-2.85	-2.82	-2.83
0.050	-2.64	-2.58	-2.55	-2.54	-2.53	-2.53
0.950	2.51	2.53	2.55	2.58	2.55	2.54
0.975	2.86	2.89	2.89	2.90	2.88	2.88
0.995	3.57	3.59	3.50	3.57	3.57	3.57

星期	车道6	车道9	车道12
一	304	206	250
二	290	192	248
三	282	190	231
四	284	182	223

参数	车道6	车道9	车道12
稳态检验前	304	206	250
稳态检验后	201	165	169
差值	103	41	81

车道编号	1~2 s	2~3 s	3~4 s	>4 s
6	39.6	42.2	12.5	5.5
9	51.0	37.8	10.2	1.0
12	32.0	45.2	12.4	10.4

信号交叉口进口车道饱和流率估计方法

Saturation flow rate estimation method of approaching lanes at signalized intersections

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参数	车道6	车道9	车道12
稳态检验方法	1889	1900	1773
HCM方法	1530	1688	1366
差值	359	212	407

车道编号	1~2 s	2~3 s
6	60.3	39.7
9	63.8	36.2
12	48.5	51.5