Pavement Condition Mapping with GPS-Linked Visual Indicators
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Solution Overview
Problem
Existing pavement condition monitoring systems are limited in their ability to efficiently capture and present condition data for large areas, requiring manual review and lacking a comprehensive, visual format for prioritizing repairs and maintenance.
Innovation Solution
A global positioning system combined with a condition signal generator and keypad selectors to record audio comments and video, creating a pavement condition database that can be converted into a visual map with condition indicators, allowing for quick inspection and prioritization of repairs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual review of pavement condition data is used, then detailed assessment can be performed, but inspection efficiency and productivity are reduced
Solution Approach 1:
The system creates visual map copies of pavement conditions using coded indicators that represent actual physical conditions. Instead of manually reviewing raw data, inspectors work with visual map representations that replicate the spatial distribution and severity of pavement conditions, enabling rapid assessment while maintaining accuracy
Solution Approach 2:
The patent applies color-coded indicators on maps to represent different pavement conditions (e.g., green for good, yellow for fair, red for poor). This visual encoding allows inspectors to quickly assess pavement conditions across large areas without manual data review, significantly improving productivity while preserving measurement precision through standardized color codes
2Loss of information
If comprehensive condition data is collected for large areas, then complete inventory management is achieved, but data complexity and processing difficulty increase
Solution Approach 1:
The system transforms comprehensive condition data into simplified coded indicators that can be directly plotted on maps. Each pavement condition is represented by a specific code or symbol, converting complex multi-parameter data into a standardized format that is easy to process and visualize while retaining all essential information for inventory management
Solution Approach 2:
The patent divides the pavement network into discrete segments or sections, each represented on the map with its own condition code. This segmentation allows comprehensive data collection to be broken down into manageable units that can be individually processed and visually represented, reducing overall data processing complexity
3Measurement precision
If detailed pavement condition data is recorded, then accurate repair prioritization is possible, but time required for data collection and review increases
Solution Approach 1:
The system performs preliminary coding and visual mapping of pavement conditions during the inspection process itself, rather than requiring separate data processing steps. Condition assessments are immediately encoded and plotted on maps, enabling repair prioritization to be based on pre-processed visual data that is ready for immediate analysis, eliminating time losses associated with post-inspection data processing
Data Source
AI summary
An asset management mapping system including a microphone recording the audio of the asset inspector and a condition signal generator generating an condition signal based on asset inspector input from a keypad including condition selectors recorded into a global positioning system recorder that associates the audio, condition signal, and video with a gps location to create a pavement condition database. The database is interpreted to generate a condition output map of the areas inspected and provide associated video of each location on the map.