WIT Press

Diagnosis Of Structural Damage In Smart Structures

Price

Free (open access)

Volume

38

Pages

10

Published

1998

Size

948 kb

Paper DOI

10.2495/SM980151

Copyright

WIT Press

Author(s)

C.-P. Fritzen, D. Jennewein & D. Buchen

Abstract

The paper deals with health monitoring and damage detection of structural terns by means of a model based strategy. Based upon the equS of m the sensiuvity approach is formulated to estimate parameter describing . SIS " IT" T- ""* """**< « 'selective sensitivity' is SS tr% to reduce the number of parameters being sensitive by a special oS ofAe system excitation. This basic idea is added another topicby S actrve vibration control: local vibrations in a certain region of a structure JglneZd by actuators while suppressing the motion of the structure by acdve Son for ^±, f ^f"' Subsequently, the local deformation is generS fhLlT ^f toztam. When it coincides with the damage locatioiL Uus results in a si

Keywords