With the development of the demand for pavement maintenance management system in China, many research results have also appeared on the market. The most important thing in sanitation maintenance is the health and maintenance of roads. The road inspection vehicle is used to automatically complete the data collection and analysis of road pavement images, road shape, road facility stereoscopic images, flatness and road geometry parameters under normal driving conditions of the vehicle. Classification and storage to understand the damage status and cause of the detected road surface, and to detect the damage, flatness, rutting, and road safety hazards of highways, high-grade highways, urban municipal roads, and airport runways, and the ancillary facilities of roads Digital management provides effective data description.

The road detection vehicle integrates and applies modern information technology to integrate the photovoltaic, IT, and 3S technologies into a vehicle-based platform. The automatic detection of road conditions is completed at a speed of up to 120 kilometers per hour. As the vehicle progresses, the front rutmeter and flatness meter and the rear-mounted road damage detector respectively transmit the detected data to the electronic data processing station in the vehicle and form road detection through real-time and automatic processing through items. report. The system can realize the seamless connection of all inspection data with the road information management platform database, which can then complete the decision analysis and generate conservation plans. At the same time, it can be continuously detected all-weather, using automatic identification methods to achieve road surface cracks, pits, sinks and other damage automatically identified. In addition, infrared laser ranging technology was used to achieve full-lane width and rutting shape measurement, and an automatic identification system for rutting features was independently developed. Nowadays, the multifunctional road detection vehicle is also available. Its emergence and development has completed the integration of detection, evaluation, decision-making and management. It has multiple subsystems that can collect detailed, reliable and objective data on road facilities in a detailed and extensive manner. Has reached the international advanced level.

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