Graphical Infrastructure Condition Assessment via Laser and Sonar
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Solution Overview
Problem
Current methods for assessing the condition of wastewater infrastructure, such as CCTV, are qualitative and unreliable, leaving wastewater managers without objective data for informed decision-making on maintenance and rehabilitation, particularly in large-diameter pipes where visual inspections are inadequate.
Innovation Solution
A multi-sensor data collection system that includes laser and sonar scanning, providing quantitative measurements of pipe conditions, along with graphical representations like the Logan Distribution and Logan Curve, to objectively assess corrosion, deformation, and deterioration, enabling informed decision-making.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If CCTV is used for pipe inspection, then visual information can be obtained, but the assessment remains qualitative and unreliable
Solution Approach 1:
The patent replaces the mechanical visual inspection system (CCTV) with optical measurement systems (laser scanning, sonar) that provide quantitative data. Laser scanners emit laser beams to measure pipe cross-sections with millimeter precision, while sonar systems use acoustic waves to detect corrosion and deformation, transforming qualitative visual assessment into quantitative measurement
Solution Approach 2:
The patent changes the measurement parameters from qualitative visual characteristics to quantitative physical parameters including cross-sectional area, wall thickness, corrosion depth, and deformation metrics. This parameter transformation enables objective comparison and statistical analysis of pipe conditions
2Ease of operation
If visual inspection methods are used, then inspection can be performed, but objective data for decision-making is not obtained
Solution Approach 1:
The patent implements feedback mechanisms where inspection data is continuously collected, analyzed, and compared against established criteria to provide objective feedback on pipe condition. The system generates quantitative reports that feed into maintenance decision-making, creating a closed-loop system that improves reliability through data-driven feedback
Solution Approach 2:
The patent introduces computer software and data processing systems as intermediaries between the inspection equipment and decision-makers. These intermediaries automatically process raw measurement data, generate statistical analyses, and produce standardized reports, eliminating subjective interpretation and providing reliable objective data for decisions
3Measurement precision
If quantitative measurement systems are implemented, then objective data is obtained, but system complexity increases
Solution Approach 1:
The patent designs multi-functional inspection systems where laser scanners and sonar devices can measure multiple pipe parameters (cross-section, wall thickness, corrosion, deformation) simultaneously. This universal approach consolidates multiple measurement functions into single integrated systems, reducing overall complexity while maintaining high measurement precision
Solution Approach 2:
The patent creates simplified digital representations (2D cross-sections, 3D models, statistical distributions) that copy and represent complex physical pipe conditions. These graphical copies make complex measurement data intuitive and easy to interpret, effectively reducing the perceived complexity for users while preserving measurement accuracy
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach provides objective, intuitive, and reliable data for prioritizing repairs and replacements, allowing wastewater managers to make fact-based decisions on infrastructure management, reducing guesswork and optimizing resource allocation.
Implementation Method 1
laser scanning, providing quantitative measurements of pipe conditions
Implementation Method 2
laser and sonar scanning, providing quantitative measurements of pipe conditions
Data Source
AI summary
One aspect provides a method including: receiving fluid conveyance infrastructure data at an electronic device; determining variance data for an infrastructure segment by comparing the received fluid conveyance infrastructure data to expected fluid conveyance infrastructure data; and providing at least one distribution based graphical representation based on the variance data. Other aspects are described and claimed.