Augmented reality system for plastic weld inspection
An innovative augmented reality system for plastic weld inspection that uses 3D visualization and real-time data fusion to enhance defect detection and welding technique adaptation. Integrates computer vision and ultrasound for comprehensive analysis.
Overview
The proposed augmented reality (AR) system revolutionizes the inspection of plastic welds by providing a 3D visualization platform that integrates real-time data fusion. This system maps weld temperature and defect information directly onto the physical space, enabling welders to adapt their techniques in real-time. The solution focuses on enhancing the accuracy and efficiency of welding inspections by leveraging advanced computer vision and ultrasound technologies.
Technical specifications
Key features:
- Real-time mapping of temperature profiles and defect information onto welds using augmented reality
- Integration of computer vision for defect identification, including wrinkles, voids, and overheating
- Utilization of ultrasound metrics to assess weld quality and suggest technique adaptations
- Supports both robotic and manual welding platforms
- Combines rheology-informed algorithms with thermography data to ensure precise defect mapping
Applications:
- Field inspection of plastic welds in industries like automotive, aerospace, and construction
- Enhancing welding quality control processes
- Providing quantitative data to support operator decision-making and technique adjustments
Technology readiness level
This technology is currently at a Technology Readiness Level (TRL) of 3. It has been demonstrated in a controlled environment as a proof-of-concept. Future validation plans include rheological assessments, specimen fabrication, and structural testing to further advance its readiness and validate its effectiveness across different welding scenarios.
About Virginia Tech
Virginia Polytechnic Institute and State University (Virginia Tech) is a comprehensive public land‑grant research university with broad graduate and professional programs and a strong industry orientation. An adjacent research and technology park links companies with faculty, shared labs, and prototyping resources, while facilities in the National Capital Region create a direct connection to federal partners and supply‑chain collaborators. Integration with a regional health system supports clinical research and translational pathways, and the statewide extension network enables field deployment and validation with industry and communities. Research is supported by competitive federal funding from agencies such as NSF, NIH, DOE, USDA, and the Department of Defense. A dedicated technology transfer office provides IP management, licensing, startup formation, and industry contracting support.
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