1 publication

• Published Subscription Original Research 20 Aug 2026

  Real-Time Crack Detection in Polymer Composites Using Embedded IoT Sensor Networks

  By Sanjeev Kumar, P. Girish, Pranashi Chakraborty, Narne Sravanthi, V. Akilandeswari, Mohit Ghai

  Abstract: This study developed an embedded Internet of Things sensor network for real-time crack detection, localization, and severity assessment in glass–fiber-reinforced polymer composites. Four polyvinylidene fluoride sensors were embedded near the laminate mid-plane and connected to synchronized wireless acquisition nodes. Controlled low-velocity impacts generated graded damage states. Ultrasonic C-scan and optical microscopy provided independent labels. A compact multi-channel convolutional model processed normalized waveforms, spectral entropy, signal energy, and arrival-time differences at …

  Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 866–899 Read article →