Ai-guided non-destructive weld integrity detection for TPO membranes
A cutting-edge solution utilizing AI and thermal-acoustic sensing to detect weld defects in TPO membranes. This technology provides real-time, non-destructive inspection, producing intuitive heatmaps to identify seam defects without physical sampling.
Overview
This innovative solution offers a real-time method for detecting weld integrity in TPO membranes using a combination of AI and thermal-acoustic sensing. The technology is designed to identify seam defects such as cold welds, voids, and wrinkles by generating intuitive pass/fail heatmaps. This non-destructive approach eliminates the need for peel testing or destructive sampling, making it highly efficient and user-friendly. The solution can seamlessly integrate into existing welding workflows or function as a handheld post-weld QA tool.
Technical specifications
Key features:
- Hybrid AI and thermal-acoustic sensing strategy for defect detection
- Utilizes field-deployable IR thermography and guided acoustic signal analysis
- Embedded machine vision model trained with synthetic datasets and prior field data
- Physics-informed algorithms model weld behavior in 45–80 mil membranes
- Generates intuitive pass/fail heatmaps for easy interpretation
- Compatible with handheld or crawler-style weld scanners
- Designed for edge deployment in real-time inspections
Technology readiness level
This technology is currently at TRL 4, indicating that it has been validated in a laboratory environment. The next steps include high-resolution simulations, model training, and the development of a conceptual hardware architecture to support real-world applications and transition to a higher TRL.
About Re-Du Company
RE-DU is a recycling technology company that has developed a patented process for the chemical deconstruction of mixed plastic waste. By breaking down diverse plastic types—such as PET, PC, PU, and PA—into monomers, the company enables the transformation of previously difficult-to-recycle materials into commercially valuable chemical products. This technology eliminates the need for costly sorting of mixed waste streams and offers an efficient, cost-effective alternative to traditional plastic management systems, which often rely on outdated processes that fail to address the majority of global plastic waste.
By providing a scalable solution for chemical recycling, RE-DU aims to reduce reliance on fossil fuels and minimize the environmental impact of plastic pollution in landfills. The company serves as a partner for industries seeking sustainable chemical feedstocks and is contributing to the development of a circular economy. Supported by initiatives like the Innovation Crossroads Award and research collaboration with Oak Ridge National Laboratory, RE-DU is positioned to help transition toward a net-zero carbon society by proving that mixed plastic waste can be successfully converted into high-quality, reusable resources.
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