DocumentCode :
2514597
Title :
Study on cooperation of urban traffic control and route guidance based on fuzzy theory
Author :
Zhiwei Cao ; Yin Han
Author_Institution :
Bus. Sch., Univ. of Shanghai for Sci. & Technol., Shanghai, China
fYear :
2011
fDate :
22-22 Oct. 2011
Firstpage :
161
Lastpage :
165
Abstract :
In this paper, first, by comparing the relative increment of the traffic flow with the occupancy, we can judge whether the road traffic flow is in the congestion formative stage. Then the road congestion is selected as the input of the fuzzy control, while the green light extension time is selected as the output of the fuzzy control. Next, in order to provide the reasonable input data of the fuzzy control, the detection coil is increased to two in every section under the premise of the data acquisition technology of the SCOOT system. Then the membership functions, the fuzzy control rules, the fuzzy reasoning and the defuzzification are identified by the MATLAB simulation software. Finally, according to the characteristic surface of the input/output between the road congestion and the green light extension time, this control system apparently meets the actual situation. Therefore, before the congestion, the cooperation of the urban traffic flow guidance system and the traffic flow control system is realized by the fuzzy theory.
Keywords :
data acquisition; fuzzy control; fuzzy reasoning; fuzzy set theory; road traffic control; MATLAB simulation software; SCOOT system; congestion formative stage; cooperation; data acquisition technology; defuzzification; detection coil; fuzzy control rule; fuzzy reasoning; fuzzy theory; green light extension time; membership function; road congestion; road traffic flow; route guidance; traffic flow control system; urban traffic control; urban traffic flow guidance system; fuzzy control; road congestion; the green light extension time; traffic flow control; traffic flow guidance;
fLanguage :
English
Publisher :
iet
Conference_Titel :
Advanced Forum on Transportation of China (AFTC 2011), 7th
Conference_Location :
Beijing
Electronic_ISBN :
978-1-84919-571-3
Type :
conf
DOI :
10.1049/cp.2011.1396
Filename :
6232063
Link To Document :
بازگشت