TAILIEUCHUNG - Báo cáo hóa học: " Optimized combination model and algorithm of parking guidance information configuration"

Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : Optimized combination model and algorithm of parking guidance information configuration | Mei and Tian EURASIP Journal on Wireless Communications and Networking 2011 2011 104 EURASIP Journal on . http content 2011 1 104 Wireless Communications and Networking a SpringerOpen Journal RESEARCH Open Access Optimized combination model and algorithm of parking guidance information configuration Zhenyu Mei1 and Ye Tian2 Abstract Operators of parking guidance and information PGI systems often have difficulty in providing the best car park availability information to drivers in periods of high demand. A new PGI configuration model based on the optimized combination method was proposed by analyzing of parking choice behavior. This article first describes a parking choice behavioral model incorporating drivers perceptions of waiting times at car parks based on PGI signs. This model was used to predict the influence of PGI signs on the overall performance of the traffic system. Then relationships were developed for estimating the arrival rates at car parks based on driver characteristics car park attributes as well as the car park availability information displayed on PGI signs. A mathematical program was formulated to determine the optimal display PGI sign configuration to minimize total travel time. A genetic algorithm was used to identify solutions that significantly reduced queue lengths and total travel time compared with existing practices. These procedures were applied to an existing PGI system operating in Deqing Town and Xiuning City. Significant reductions in total travel time of parking vehicles with PGI being configured. This would reduce traffic congestion and lead to various environmental benefits. Keywords parking guidance information parking choice optimized display model genetic algorithm 1. Introduction Intelligent transportation systems ITS can significantly alleviate the problems of congestion pollution and accidents within an urban centre by releasing the real-time traffic information to drivers. Parking guidance .

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