|Table of Contents|

Bi-level programming model of timing optimization for multiple bus priority intersection(PDF)

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

Issue:
2014年01期
Page:
103-111
Research Field:
交通信息工程及控制
Publishing date:

Info

Title:
Bi-level programming model of timing optimization for multiple bus priority intersection
Author(s):
ZHU Xiao-ning;  LONG Bing
School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China
Keywords:
signal intersection;  bi-level programming model;  multiple bus priority;  signal timing optimization;  loss equilibrium
PACS:
U491.1
DOI:
-
Abstract:
Induction signal control based on bus priority had negative effects on vehicles in non-priority phases. In order to equilibrate the loss of non-priority phases, as well as to reduce the passenger delay at the intersection and the downstream stations, a bi-level programming model of signal timing optimization for multiple bus priority intersection was proposed. In the upper model, priority strategies were optimized based on the intersection delay and the passenger queuing delay at downstream stations. In the lower model, the equilibrium process of green loss was described based on the calculation of acceleration-deceleration delay at the intersection. With priority strategies as decision-making variables, the influence of priority strategies was introduced to the lower model. The solution algorithm was designed by using the Gauss-Seidel iterative method. An application example was analyzed. Analysis result indicates that after signal timing optimization, total passenger delays at the intersection and downstream stations in the period reduces by 23 576.12 s. Besides, the vehicle acceleration-deceleration delay at the intersection reduces by 62.87 s. Bi-level programming model ensures the overall efficiency at the intersection under consideration of bus priority. 2 tabs, 17 figs, 16 refs.

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Last Update: 2014-03-20