Adaptive Neuro-Fuzzy-based Vibration Approach for Structural Fault Diagnosis
Keywords:
Fault Diagnosis, modal analysis, adaptive neuro-fuzzy inference system (ANFIS), finite elementAbstract
In recent times, damage identification based on vibration methods are emerging as common approaches, in which the techniques apply the vibration response of a monitored structure, such as modal frequencies and damping ratios, to evaluate its condition and detect structural damage. The basis of the vibration-based health monitoring method is that when there are alterations in the physical characteristics of a structure, there will also be changes in its vibration properties. This paper proposed a neuro-fuzzy artificial intelligence method, called adaptive neuro-fuzzy inference system (ANFIS), to detect damage using modal properties. To generate the modal characteristics of the structures, experimental study and finite element analysis of I-beams with single damage cases were performed. The results showed that the ANFIS approach was able to detect the magnitude and location of the damage with a significant degree of precision, and notably reduced computational time.
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.