Road condition-based vehicle speed early warning system

Abstract

The invention discloses a road condition-based vehicle speed early warning system. The system includes a vehicle parameter detection module, a road condition detection module, a map information storage, a safety vehicle speed database, a safety speed analysis module and a vehicle-mounted terminal; the vehicle parameter detection module sends a detected vehicle position and traveling track to the road condition detection module and sends vehicle speed to the safety speed analysis module; the road condition detection module obtains road surface parameter information in front of a road accordingto the vehicle position and traveling track and sends the road surface parameter information to the safety speed analysis module; and the safety speed analysis module analyzes safety of current vehicle speed and sends an analysis result to the vehicle-mounted terminal, and the vehicle-mounted terminal performs voice reminding. The road condition-based vehicle speed early warning system provided bythe invention combines the vehicle speed, traveling track, position and road condition, and can analyze the safety speed of vehicle traveling, thereby providing reasonable safety driving speed for adriver, effectively improving safety of the driver and passengers, and reducing the probability of occurrence of traffic accidents.

Description

technical field [0001] The invention belongs to the technical field of road vehicle speed safety driving, and relates to a vehicle speed early warning system based on road conditions. Background technique [0002] With the increase of vehicle size and speed, especially commercial vehicles, which have heavy weight, long wheelbase and high center of mass, accidents are prone to occur on mountainous roads with many curves and long downhill roads. The main causes of accidents are mostly overspeed and brake failure ;Many mountain roads are old, and the early design can no longer meet the safety needs of modern commercial vehicles. The speed limit signs are not intuitive and real-time for commercial vehicles, which affects the safe driving of commercial vehicles on mountain roads. [0003] The driving speed of the vehicle is an important proof of the efficiency of the vehicle movement and the safety of the vehicle. The current driving speed limit of the vehicle mostly follows the ...

AI Technical Summary

Problems solved by technology

[0002] With the increase of vehicle size and speed, especially commercial vehicles, which have heavy weight, long wheelbase and high center of mass, accidents are prone to occur on mountainous roads with many curves and long downhill roads. The main causes of accidents are mostly overspeed and brake failure ;Many mountainous roads have a long history, and the early design can no longer meet the safety requirements of modern commercial vehicles. The speed limit signs are not intuitive and real-time for commercial vehicles, which affects the safe driving of commercial vehicles on mountainous roads

[0003] The driving speed of the vehicle is an important proof of the efficiency of the vehicle movement and the safety of the vehicle. The current driving speed limit of the vehicle mostly follows the speed limit of the road speed limit plate, that is, the speed limit requirement given by the traffic department. At present, in order to reduce the driving time, the driver usually Speeding in unmonitored areas, due to unfamiliar road conditions and insufficient driving experience of drivers, can easily cause traffic accidents on special road sections. Rear-end collision with the rear car will cause traffic jams. If the speed is fast, the top of the ramp will easily collide with the opposite vehicle due to the limited sight of the driver, causing casualties; for curved roads, if the speed is fast, it will The driver's reaction speed is slow and the stability of the body is poor, and the vehicle drifts, and even causes the vehicle to roll over, crash into the guardrail, and violently collide with passing vehicles, causing casualties and property losses. In order to improve the safety of drivers and passengers, To reduce the probability of traffic accidents, a vehicle speed warning system based on road conditions is now designed

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