吉林大学学报(工学版) ›› 2021, Vol. 51 ›› Issue (2): 531-540.doi: 10.13229/j.cnki.jdxbgxb20191153

• 交通运输工程·土木工程 • 上一篇    

站点分类下的城市公共自行车交通需求预测

朱才华(),孙晓黎,李岩()   

  1. 长安大学 运输工程学院,西安 710064
  • 收稿日期:2019-12-17 出版日期:2021-03-01 发布日期:2021-02-09
  • 通讯作者: 李岩 E-mail:zhucaihua@chd.edu.cn;lyan@chd.edu.cn
  • 作者简介:朱才华(1995-),男,博士研究生.研究方向:城市慢行交通/轨道交通.E-mail:zhucaihua@chd.edu.cn
  • 基金资助:
    国家重点研究计划项目(2017YFC0803906);国家自然科学基金项目(51408049);陕西省自然科学基础研究计划项目(2020JM-237)

Forecast of urban public bicycle traffic demand by station classification

Cai-hua ZHU(),Xiao-li SUN,Yan LI()   

  1. College of Transportation Engineering,Chang′an University,Xi′an 710064,China
  • Received:2019-12-17 Online:2021-03-01 Published:2021-02-09
  • Contact: Yan LI E-mail:zhucaihua@chd.edu.cn;lyan@chd.edu.cn

摘要:

准确掌握土地利用与公共自行车交通需求关系是调整管控措施和站点运营管理的关键依据,以西安市的公共自行车站点为例,先以多因子指标作为变量运用K-means聚类将站点分为白天目的地站点、夜间目的地站点、白天起源地站点和组合起源/目的地站点;然后针对各类站点属性,分别建立用地、公交线路、地铁出入口、站点中心性为解释变量的非线性回归模型,结果表明:站点区位、外部环境变量和土地利用对不同属性站点具有不同的客流生成率。结果可在城市公共自行车系统运营管理方面提供理论基础建议。

关键词: 交通运输规划与管理, 公共自行车系统, 土地利用, 聚类分析, 非线性回归模型

Abstract:

Accurately understanding the relationship between land use and public bicycle traffic demand is essential for adjusting control measures and station operation management. Taking public bicycle stations in Xi'an as an example, first, the public bicycle stations are divided into daytime destination stations, nighttime destination stations, daytime origin stations and combined origin/destination stations through K-means clustering while treating multi-factor indicators as variables. Then the non-linear regression models of land use, bus lines, subway entrances and exits, and station centrality as explanatory variables for each station attribute separately are established. The results show that station locations, external environment variables, and land use will lead to discrepancy in passenger flow generation rates for stations with different attributes. This study can provide theoretical reference for the operation and management of urban public bicycle systems.

Key words: transportation planning and management, public bicycle system, land use, cluster analysis, nonlinear regression model

中图分类号: 

  • U491.1

图1

研究区域"

图2

西安市公共自行车站点及站点密度分布"

图3

公共自行车站点吸引范围确定的三种方法(a)欧式距离 (b)路网距离 (c)基于泰森多边形的路网距离"

图4

小时使用分布"

表1

不同时段客流相关系数"

时间段相关系数时间段相关系数
6∶00~7∶000.38214∶00~15∶000.517
7∶00~8∶000.69715∶00~16∶000.495
8∶00~9∶000.50316∶00~17∶000.356
9∶00~10∶000.51617∶00~18∶000.427
10∶00~11∶000.41018∶00~19∶000.728
11∶00~12∶000.55419∶00~20∶000.630
12∶00~13∶000.42920∶00~21∶000.494
13∶00~14∶000.39421∶00~22∶000.231

表2

西安公共自行车站点聚类变量选取"

变量编号变量名称变量描述
1早高峰客流量站点早高峰借出还入总量
2晚高峰客流量站点晚高峰借出还入总量
3站点总桩数站点设计布局桩数
4接驳轨道交通300 m内地铁出入口个数
5站点用地混合度车站300 m以内的土地混合熵
6站点建筑强度站点300 m建筑容积率
7接驳公交线路数100 m之内的公交线路连接数

图5

不同聚类数对应的轮廓系数"

图6

聚类结果"

图7

不同类别站点NAB变化趋势"

图8

不同类别站点中心性示意"

表3

模型参数值"

参数估计值
聚类1聚类2聚类3聚类4聚类5聚类6
拟合优度(r2)0.7860.8030.7880.7940.7750.817
F68.69856.83261.76476.39791.20549.781
Sig. F0.0110.0090.0140.0160.0210.012
公交线路10.36811.11411.35212.95710.1339.941
地铁出入口21.09220.87124.13229.61822.07720.925
中心性8.1218.3647.6838.3447.9068.307
居住0.000 1960.000 4190.000 2870.000 9240.000 2460.000 271
行政办公0.001 7500.001 6880.000 3140.000 2670.002 1480.001 169
商业金融0.000 6290.000 0240.000 3180.000 2170.000 0220.000 627
文化娱乐0.000 8190.000 8470.001 0160.000 3120.000 9640.000 901
体育0.000 0110.000 0270.000 1340.000 0810.000 0590.000 067
医疗0.001 1700.001 0210.000 1270.000 0490.002 6190.000 874
教育科研0.000 1320.001 0090.000 1040.000 5030.000 9120.000 677
文物古迹0.000 2390.000 3980.000 1910.000 0990.000 7420.001 316
工业0.000 0810.000 1610.000 0720.000 0490.000 0830.000 204
其他0.000 1750.000 1020.000 0340.000 0770.000 0930.000 121
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