A rapid and velocity-independent damage localization approach for ultrasonic structural health monitoring

  title={A rapid and velocity-independent damage localization approach for ultrasonic structural health monitoring},
  author={J. Moll and C. Heftrich and C. Fritzen},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
This paper presents a novel damage localization approach for active ultrasonic structural health monitoring. The formalism considers triplets of two actuators and one sensor in a spatially distributed transducer network. Depending on time-of-flight measurements that are automatically conducted on differential signals, the defect position in isotropic and quasi-isotropic plates is located very rapidly without the wave velocity information. This is particularly beneficial when the wave speed… CONTINUE READING

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