A New Impedance Measurement System for PZT-Based Structural Health Monitoring

@article{Baptista2009ANI,
  title={A New Impedance Measurement System for PZT-Based Structural Health Monitoring},
  author={Fabricio Guimarx00E3es Baptista and Jos{\'e} Viterbo Filho},
  journal={IEEE Transactions on Instrumentation and Measurement},
  year={2009},
  volume={58},
  pages={3602-3608}
}
Recent research has shown that electromechanical (E/M) impedance-based techniques are an efficient strategy for damage sensing in the context of structural health monitoring (SHM). The basic principle is to excite the lead zirconate titanate (PZT) sensors attached to the structure and to measure the corresponding electrical impedance. A variation in the electrical impedance indicates a variation in the mechanical impedance and, consequently, structural damage. To measure the electrical… CONTINUE READING
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