Industrial Consultancy & Sponsored Research (IC&SR) , IIT Madras

A Method for Non-destructive Structural Health Monitoring

Technology Category/Market

Category – Non-destructive Testing (NDT) and Structural Health Monitoring Technology.

Applications – Aerospace engineering, Manufacturing

Industry – Aerospace, civil engineering, infrastructure management, manufacturing, and oil and gas

Market – Destructive Testing (NDT) Market was valued at USD 6.30 billion in 2021 and is expected to witness significant growth, reaching USD 16.66 billion by 2029, with a projected compound annual growth rate CAGR of 13.66% during the forecast period.

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Problem Statement

  • Current structural health monitoring methods often require structures to be taken out of service for inspection, leading to downtime and cost.
  • There is a need for a non-destructive, in-service monitoring solution that can provide real-time structural health data without disrupting normal operations, thereby optimizing maintenance schedules and ensuring safety more effectively.

Technology

Multiple Cameras:

  • The invention utilizes two or more cameras with adjustable orientations for capturing images of the structure.

Programmable Hardware Platform:

  • It employs a hardware platform capable of controlling image acquisition, performing Digital Image Correlation (DIC) computations, and post-processing results.

DIC Computation:

  • Digital Image Correlation is used to analyze image data and calculate three-dimensional displacements of the area of interest.

Mechanical Enclosure:

  • The device is housed within a protective enclosure, ensuring its durability and suitable mounting on the structure.

Versatility:

  • The technology can adapt to various structures and sizes, capturing images at different frequencies, making it suitable for a wide range of applications.

Key Features/Value Proposition

Technical Perspective:

  • This invention employs advanced cameras and computational techniques for non-destructive structural health monitoring, enabling real-time data collection and analysis.

User Perspective:

  • The invention is passive, in-service monitoring solution that optimizes maintenance schedules, enhances productivity, and ensures structural safety without the need for downtime or service interruption.
Questions about this Technology?

Contact for Licensing

Research Lab

Prof. Sankara J Subramanian

Department of Engineering Design

Intellectual Property

  • IITM IDF Ref. 861
  • IN 373492 (PATENT GRANTED)

Technology Readiness Level

TRL- 6

Technology demonstrated in relevant environment

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