中山大学学报（自然科学版）2012，Vol.51Issue(6)：41-47,7.
城市单路口交通信号两级模糊优化控制与仿真
Optimal Two-stage Fuzzy Control for Urban Traffic Signals at Isolated Intersection and Its Simulation
摘要
Abstract
Two optimal approaches of two-stage fuzzy controller for traffic signals at isolated intersections are presented. Firstly, from the perspective of structural optimization, a two-stage combination fuzzy controller is designed, for the consideration of multi-dimensional traffic status variables leading to the inefficiency of traffic states at intersections under low traffic flow. The controller introduces 0-1 combination and determines the combination of traffic status variables of fuzzy controller's inputs. Secondly, aiming at the problems of fuzzy controller parameter empirical settings and functional disability of learning, a two-stage fuzzy logic traffic signal controller with online optimization is proposed, for the insufficiency of fuzzy controller parameter settings and functional disability of learning. This controller introduces the rolling horizon framework and optimizes the parameters of membership functions and fuzzy rules of fuzzy controllers by using hybrid genetic algorithm. Finally, the performance of the two proposed models is validated via online Paramics-based simulation platform, and extensive relative simulation tests have demonstrated the potential of the developed controllers for adaptive traffic signal control.关键词
交通工程/交通信号/模糊逻辑/组合模糊/遗传算法Key words
traffic engineering/ traffic signal/ fuzzy logic/ combination fuzzy/ genetic algorithm分类
交通工程引用本文复制引用
杨文臣,张轮,何兆成..城市单路口交通信号两级模糊优化控制与仿真[J].中山大学学报（自然科学版）,2012,51(6):41-47,7.基金项目
国家自然科学基金资助项目(50408034) （50408034）
上海市创新基金资助项目(11ZZ27) （11ZZ27）
