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

Reusable Passive RFID Sensor for Structural Health Monitoring

Technology Category/Market

Electronics & Circuits | Medical & Surgical Devices

Industry: Structural Health Monitoring (SHM) Systems, Wireless Structural Health Monitoring Technology, Civil Engineering and Infrastructure

Applications: Infrastructure, Manufacturing, Materials Testing, Aerospace, Energy Industry, Automotive, Non-Destructive Testing (NDT), Safety & Maintenance

Market: The global data center RFID market size is projected to reach $5.53B by 2024, it is expected to reach $14.69B by 2026 growing at a CAGR of 9.3%.

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Problem Statement

  • Current methods for checking structural health are complex and often involve expensive wired systems. They require labor-intensive work, and many sensors are for one-time use or need frequent adjustments.
  • Therefore, there’s a need for a cost-effective and adaptable RFID-based system that is wireless, sensitive to small changes in deformation, and easy to install. The instant patent discloses a reusable RFID sensor that attaches to components and wirelessly transmits data to a reader.

Technology

  • The present patent discloses a Reusable Passive RFID Sensor System for Monitoring Structural Health.
  • It describes RFID tags with meander dipole antennas and adhesive bonding for detecting deformation in components, providing cost-effective, real-time monitoring solutions across various industries.

Key Features/Value Proposition

User Perspective:

  • Cost-Efficiency: Saves money with reusable sensors and eliminates expensive wired systems.
  • Real-Time Monitoring: Provides immediate data for proactive maintenance and safety.
  • Versatility: Reusable sensors can monitor multiple components.

Industrial Perspective:

  • Wireless Convenience: Simplifies installation and reduces disruption.
  • Adaptability: Fits various industries, informing data-driven decisions.
  • Data-Driven Decisions: Informs decisions for reliability and cost savings.

Technology Perspective:

  • RFID Technology: Enables wireless data exchange efficiently.
  • Precision: Accurately measures strain and deformation using resonance frequency.
  • Material Versatility: Adapts to different materials and monitoring needs with various conductive materials.
Questions about this Technology?

Contact for Licensing

Research Lab

Prof. Velmurugan

Department of Aerospace Engineering

Prof. Kavitha Arunachalam

Department of Engineering Design

Intellectual Property

  • IITM IDF No: 1602

  • IN IP Grant No.: 449495

Technology Readiness Level

TRL – 4

Experimentally validated in lab.

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