Personalized dynamic road condition information creation and navigation system

Abstract

An individual dynamic road condition information generation and navigation system consists of a request unit and a processing unit; wherein, the processing unit is provided with an electronic map, real-time road condition information, predicted road condition information and default road condition information. When the request unit submits road condition information inquiry quest to the processing unit, the constraint conditions of the request unit comprising departure place, departure time, destination, and license number, range assignment and other attributes of the request unit are submitted at the same time; subsequently, the processing unit generates a dynamic road condition information table; the road condition information of a road in the dynamic road condition information table is derived according to the time of getting into the road predicated by the request unit, the real-time road condition information, the predicated road condition information and the default road condition information; eventually, an optimal path is planned according to the dynamic road condition information table. The adoption of the method of the invention can accurately generate dynamic road condition information for the different navigation tasks of different individuals, thus effectively improving the reliability of path planning.

Description

Technical field: [0001] The invention belongs to the field of road traffic management, in particular to a navigation system for real-time road condition information. Background technique [0002] Now, more and more people and industries use navigation systems, and navigation systems have greatly facilitated people's lives. [0003] However, with the increase of vehicles, the traffic conditions of urban roads are also gradually changing. Some roads are basically congested in some time periods, and many emergencies often occur on the roads, such as vehicle hang-ups, car accidents, road maintenance, etc., resulting in congestion. The phenomenon is becoming more and more serious, which brings great inconvenience to traffic management and car users. [0004] A navigation system that simply navigates based on an electronic map can guide users to reach their destination by the shortest or lowest-cost route, but such a navigation system cannot guide users to avoid current congested...

AI Technical Summary

Problems solved by technology

However, traffic accidents that cause road congestion often occur randomly, and the traffic information obtained from the statistics of historical traffic information is not necessarily accurate. In addition, there are also differences between navigation individuals, such as their speed limit, feasibility on different roads Differences from traffic prohibition and so on will lead to different optional paths and arrival times for different navigation individuals to reach a certain area, so using this method to estimate road conditions may be quite different from the actual situation

Images