Road Surface Property Evaluation via Unit Area Segmentation
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Solution Overview
Problem
Current methods for evaluating road surface properties are time-consuming, costly, and require extensive vehicle travel, making them inefficient for comprehensive maintenance.
Innovation Solution
An evaluation method and device that acquire measurement data along a road path, set unit areas, generate point group data from a model plane, and statistically process this data to identify deformed areas, allowing for quick and cost-effective assessment of road surface conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a road surface property vehicle is used to measure all lines of the road, then measurement precision is improved, but loss of time and cost increase significantly
Solution Approach 1:
The patent divides the road surface measurement into discrete unit areas along the road path. Each unit area is processed independently to generate point group data, which is then statistically processed to evaluate road surface properties. This segmentation allows efficient processing of large-scale road networks without requiring comprehensive vehicle-based measurement of all lines.
Solution Approach 2:
The patent creates a digital model plane representing the road surface geometry for each unit area. This digital copy is generated from measurement data and used to calculate spaced amount values, eliminating the need for physical vehicle traversal of all road lines while preserving measurement accuracy for the evaluated sections.
2Measurement precision
If a road surface property vehicle is used to measure all lines of the road, then measurement precision is improved, but cost increases significantly
Solution Approach 1:
The patent segments the road surface into unit areas and processes them independently through automated computational methods. This approach reduces the need for expensive vehicle-based measurement across all road lines while maintaining sufficient precision for maintenance evaluation through statistical processing of point group data.
Solution Approach 2:
The patent replaces the mechanical vehicle-based measurement system with a computational model. The model plane and automated data processing algorithms substitute for the physical road surface property vehicle, significantly reducing costs while maintaining measurement capability for road surface unevenness and deformation detection.
3Measurement precision
If comprehensive road measurement is conducted, then evaluation accuracy is improved, but productivity decreases
Solution Approach 1:
The patent divides the road surface into unit areas that can be processed in parallel. Each unit area generates point group data independently, and the statistical processing can be performed concurrently across multiple sections. This segmentation enables high-speed evaluation of large road networks while maintaining accuracy through systematic processing of all measured points.
Solution Approach 2:
The patent implements automated continuous processing of measurement data through computational algorithms. The model plane generation, point group data creation, and statistical evaluation occur continuously without interruption, enabling rapid processing of comprehensive road surface data at high speed while maintaining evaluation accuracy.
Data Source
AI summary
To carry out evaluation of a road surface property easily and in a short period of time without being costly. Measurement data of a road surface measured for a predetermined road width along a path of a road to be measured is acquired; a unit area having a preset length dimension along the path in the road width is set along the path; a model plane in the unit area is set based on the measurement data at each point in the unit area; point group data is generated from a spaced amount of the model plane and each point in the unit area, visualize and display the spaced amount in the path, and display a result of evaluation obtained through statistical processing with the path shown on a map.