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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 logic approach is proposed to adjust the number of vehicles entering a mainline of urban expressway via entrance ramp during rush traffic times. The fuzzy logic onramp controller of urban expressway is designed based on such traffic information as the...
Traffic congestion poses a major problem not only in developing countries but also in developed countries due to various reasons. When subjected to traffic congestion, the travelers are likely to face delays both at intersections (road junctions) and on road links. Delays can occur due to some technical factors (traffic volume, traffic light cycle) and non-technical factors (road conditions, weather...
One of the major issues of our daily life is traffic congestion. To help solve the traffic congestion problem, a traffic advisory system is proposed to identify the threshold capacity of a road segment. Threshold capacity measures the number of vehicles which can be allowed to pass over a certain road segment without causing congestion. Threshold capacity is used for suggesting improvements of road...
Traffic congestion is a major concern for many cities throughout the world. Developing a sophisticated traffic monitoring and control system would result in an effective solution to this problem. In a conventional traffic light controller, the traffic lights change at constant cycle time. Hence it does not provide an optimal solution. Many traffic light controllers implemented in current practice,...
An intelligent energy management system for parallel hybrid vehicles is developed. The essential feature of the proposed system is to access the (physical) driving situation (in terms of facility type combined with traffic congestion level) using long and short-term statistical features of the drive cycle (i.e., driving history.) The assessment is used to make decisions on the energy flow in the hybrid...
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