车辆动态合乘匹配算法研究
[Abstract]:With the improvement of material standard of living, more and more families begin to own private cars. The rapid growth of the number of vehicles in China is accompanied by a series of problems, such as traffic congestion, environmental pollution and so on. At the same time, although there are a lot of traffic on the road, the major cities still have varying degrees of difficulty in taxi problems. Simply widening roads and increasing the number of taxis will not solve this problem very well. To this end, car-sharing began to walk into people's lives, using the spare seats as a ride resource. At present, the European and American countries have regular vehicle ride, and China is still in its infancy. In the early days, some websites that provided information on vehicle rides provided only basic travel time and terminal information, and the use of text matching technology made it difficult for passengers and car owners to match effectively and were not widely accepted by the public. Therefore, an effective vehicle matching algorithm is the key to the research of vehicle ridership problem. At present, many scholars only study the static vehicle matching problem, and lack of considering the influence of external factors, such as road traffic situation, vehicle owner and passenger factors, etc. In particular, the deterministic static vehicle matching problem has already stipulated the time and location of passengers getting on and off before the departure of the vehicle. In actual life, it is very difficult for the owner and passenger to reach the point of the ride strictly according to the time window, as long as there is a link error. The whole combination is likely to be a failed multiplicative match. In this paper, we focus on the dynamic matching problem of vehicles, which can only be matched by vehicles located near passengers in real time, so as to solve the problem of vehicle arrival time uncertainty. With the help of Dijkstra algorithm and genetic algorithm, with the addition of passengers, the vehicle can always get the new shortest path. On this basis, the time window is checked, the matching degree between passenger and vehicle is calculated, and the matching relationship is determined. Finally, the paper constructs a road network including the main trunk roads in Kunming, and tests the matching process of passenger and vehicle on the simulation system, which proves that the algorithm in this paper can effectively solve the problem of vehicle dynamic matching.
【学位授予单位】:昆明理工大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:U491
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