Monitoring the condition of aircraft structures is a vital issue and research is underway to develop new NDE methods based on Vibration-Based Inspection (VBI), offering the potential for detecting faults by monitoring the dynamic characteristics of the structure under test. This article focuses on the possibility to apply the so-called negative selection algorithm inspired by the human immune response to the task of monitoring the integrity of a typical aeronautical structure such as a wing even when its dynamic characteristics vary continuously due to the change in the mass of the fuel system.
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