Architecture of a remote impedance-based structural health monitoring system used in aircrafts

Abstract

The essence of structural health monitoring (SHM) is to develop systems based on nondestructive inspection (NDI) technologies for continuous monitoring, inspection and detection of structural damages. The electromechanical impedance (EMI) method has been regarded as a promising tool for SHM. In this article, a new architecture of a remote SHM system based on electromechanical impedance measures is described. The proposed environment is employed to automatically monitor the structural integrity of aircrafts and is composed by sensor networks, signal conditioning and acquisition hardware, and a data processing system.