|Table of Contents|

Flow-density relationship of mixed bicycles based on Logistic model(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2016年03期
Page:
133-141
Research Field:
交通运输规划与管理
Publishing date:

Info

Title:
Flow-density relationship of mixed bicycles based on Logistic model
Author(s):
ZHOU Dan1; 2;  MA Xiao-long1;  JIN Sheng1;  WANG Dian-hai1
1. School of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, Zhejiang, China; 2. School of Architecture and Transportation Engineering, Guilin University of Electronic Technology, Guilin 541004, Guangxi, China
Keywords:
urban road traffic;  mixed bicycle flow;  electric bicycle;  flow-density relationship;  Logistic model
PACS:
U491.26
DOI:
-
Abstract:
Aiming at the traffic phenomena of electric bicycle and traditional bicycle mixed driving on non-motorized road, logistic model was introduced based on the analysis of mixed bicycles’ flow characteristic, the numerical analysis method was used to build the mathematical model, to suitably describe the flow-density relationship of mixed bicycles, and the calculation model of bicycle lanes’ traffic capacity was proposed. The data fitting was carried out based on the field data of six road sections in Hangzhou, the estimation values of traffic capacity were obtained, and the parameter sensitivity analysis was carried out for the maximal speed in bicycle flow samples, the speed of freedom flow and the optimal density. Research result shows that the fitting goodnesses of the data of six road sections are 0.92, 0.93, 0.93, 0.95, 0.98 and 0.96 respectively, and traffic capacities are 2 968, 2 641, 2 687, 2 754, 2 646 and 3 065 bic·(h·m)-1 respectively, so this model can well describe change the characteristics of urban mixed bicycle flow in different states, and it provides a new way to further uncover the operation mechanism of mixed bicycle flow in urban bicycle lane. 3 tabs, 6 figs, 30 refs.

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Last Update: 2016-06-30