Abstract
The congestion causes of parking lot were analyzed with causal chain method and a questionnaire about individual demand of parking users was carried out. The results show that more than 90% of the users hope parking spaces can be automatically assigned to them when it’s difficult to find a parking space. The layout principles of WiFi in parking lot were provided. The automatic assignment mechanism of parking lot was given considering the individual demand of parking users and the avoidance of traffic conflicts. Some attribute decision factors such as lane occupancy conditions, travel distance, walking distance, and the occupancy situation of parking space on both sides were selected and optimal parking lot assignment model was established. Optimal paths were calculated through Dijkstra algorithm, and the information about the assignment location and path was sent to the drivers’ cell phones. The driver’s compliance was evaluated by comparing the driver’s parking trajectory with system recommended path. Finally, a large parking lot in Beijing was taken as an example. The results can offer constructive suggestions on parking route design and parking assignment mechanism, which can make the use of the limited parking resources more effectively.
Highlights
With the development of economy and incensement of car ownership, the supply–demand difference problem of parking spaces has become more and more prominent
The problems were analyzed with causal chain method and listed as follows:[1] (1) because the drivers do not know the actual location of empty parking space, they have to drive blindly and disorderly in the parking lot that causes traffic congestion
In order to ensure the positioning requirements that all areas are covered by three access points (APs) hotspots at least, AP hotspots in parking lot are laid at intervals of 15 m referring to general indoor installation experience
Summary
With the development of economy and incensement of car ownership, the supply–demand difference problem of parking spaces has become more and more prominent. Advances in Mechanical Engineering the order of the parking lot, which increases the management cost; (3) because the GPS does not work well in the underground parking garage, the existing parking system generally lacks the information exchange with the drivers and does not satisfy their needs. They cannot monitor the parking trajectory of vehicles and effectively guide the drivers in the parking lot, which results in poor satisfaction of users.[2] how to use the limited parking resources effectively has become an urgent problem needed to be solved by parking lot managers. An automatic assignment mechanism of parking lot considering the users’ information demand is proposed and discussed to solve all the above problems
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