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Versatile and Easy-to-Assemble Measurement System for Impedance-Based Structural Health Monitoring

F. G. BAPTISTA, J. V. FILHO, N. OKI, A. E. TURRA, V. LOPES, JR., D. J. INMAN

Abstract


In this paper we present a versatile and easy-to-assemble measurement system for structural health monitoring (SHM) based on the electromechanical impedance (EMI) technique. The hardware of the proposed system consists only of a common data acquisition (DAQ) device with external resistors and allows real-time data acquisition from multiple sensors. Besides the low-cost compared to conventional impedance analyzers, the hardware and the software are simple and easier to implement than other measurement systems that have been recently proposed.

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