SHM - reliability demands on the multidisciplinary challenge of structural health monitoring

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SHM - reliability demands on the multidisciplinary challenge of structural health monitoring

Laveuve, Dominik M. / Lehmann, Martin / Erdmann, Katrin / Büter, Andreas

For the success of the larger and more integrated Europe of the 21st century efficient and environmentally as well as economically sustainable air transport is of vital importance. Maintaining competitiveness demands safety and availability of the complex and highly loaded structures typically employed for aircraft. A potential breakthrough with respect to the frequent tradeoff between mass and safety of structural components is expected from Structural Health Monitoring (SHM) systems. The present article aims to outline the concept's potential as well as its challenges from the authors' point of view. This rather general view on the future application of SHM is explicitly put up for discussion. Recent experimental results, regarding several sensor-types' behaviour under cyclic mechanical loading, are presented. Emphasis is placed on the associated signal-changes. Addressing a separate aspect of practical SHM, lessons from a manufacturing study regarding sensorintegration in fibre-reinforced polymers (FRPs) are communicated.