Integrated Hybrid Structural Health Monitoring (SHM) System

Structural Health Monitoring (SHM) is a new technology in the aerospace environment and effective SHM systems must possess the ability to detect and track structural damage as well as monitor the actual environment and loading conditions of the structure. Two types of information are needed in order to accurately predict structural integrity: damage data and structural response. Current SHM systems utilize PZT actuators and fiber optic (FO) sensors separately. The goal of the program is to develop an integrated systems approach for a hybrid SHM system consisting of a hybrid piezoelectric – fiberoptic (PZT – FO) sensor network, monolithic connector for both sensor types, and data acquisition hardware/software integrated into a single unit that will take advantage of any commonality in electronic components. In Phase II, the team of Acellent, IFOS and Bell Helicopters will develop the monitoring system interfaced with the V-22 VSLED along with validation and proof testing. The end product will be a hybrid PZT-FO system that can easily perform structural health monitoring tasks. The use of Acellent’s patented SMART Layer will eliminate the need to install each sensor individually on the structure and the layer can easily be mounted on any structure in minimum installation time.