As the uncertain characteristics of traffic flow in urban expressway, fuzzy control can be used as an effectual way to solve traffic problem. A fuzzy controller of signal intersection is designed for alleviating traffic congestion downstream off-ramp at the Surface Street. The overtime of green-light and the next time for green-light phase are optimized according to the queue lengths and the numbers of phase delay, and the method corresponds to a man’s decision-making process. Simulation research based on MATLAB program design is carried out and the results show that the methods are promising and the fuzzy controller have a better performance for congestion mitigation downstream off-ramp of urban expressway.
Research on Congestion Mitigation Strategy Downstream Off-Ramp for Urban Expressway Based on Fuzzy Logic Method
Advanced Materials Research ; 299-300 ; 1271-1274
2011-07-27
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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